CN209821014U - Disc rotation type liquid viscosity tester - Google Patents
Disc rotation type liquid viscosity tester Download PDFInfo
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- CN209821014U CN209821014U CN201920414449.0U CN201920414449U CN209821014U CN 209821014 U CN209821014 U CN 209821014U CN 201920414449 U CN201920414449 U CN 201920414449U CN 209821014 U CN209821014 U CN 209821014U
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- disc
- rotating disc
- stepping motor
- liquid viscosity
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Abstract
The utility model discloses a disc rotation type liquid viscosity apparatus belongs to detecting instrument technical field, has solved the less problem of liquid viscosity scope that current multiple liquid viscosity measurement method is suitable for, and its technical essential is: the device comprises an upper cross beam, a stepping motor, an upper rotating disc, a lower rotating disc and an angle encoder, wherein two ends of the upper cross beam are connected with upper slidable fixing blocks, the upper slidable fixing blocks are arranged on a guide rail, the stepping motor is arranged on the upper cross beam, the stepping motor is connected with the upper rotating disc through an upper connecting shaft, the lower rotating discs which are parallel to each other are arranged below the upper rotating disc, and the lower rotating disc is coaxially connected with the angle encoder; in the aspect of the liquid viscosity survey, the utility model discloses have apparent advantage, be applicable to transparent and opaque liquid, simple easy operation and more save the liquid quantity.
Description
Technical Field
The utility model relates to a detecting instrument technical field specifically relates to a disc rotation type liquid viscosity apparatus.
Background
The measurement of the viscosity of a liquid is an important issue in terms of industrial production, pipeline transportation, medical and scientific research, etc. Various methods for measuring the viscosity of a liquid have been developed, such as a tube flow method, an austenite viscometer method, a rotating cylinder method, and a falling ball method. Although these methods have their own advantages, they also have their own disadvantages, such as complicated measuring apparatus, long measuring time, small viscosity range of applicable liquid, applicability only to light-transmitting liquid, large amount of liquid used, and the like.
In order to facilitate the viscosity measurement of various liquids, including newtonian liquids and non-newtonian liquids, transparent liquids and non-transparent liquids, single liquids, solutions, emulsions and suspensions, it is necessary to provide a disc rotation type liquid viscosity measuring instrument, which aims to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a disc rotation type liquid viscosity apparatus, it is applicable to various liquid of light transmission and lightproof, is applicable to various single liquid to and solution, emulsion and turbid liquid etc. simple easy operation, and the measurement is swift, more saves the liquid quantity, and the instrument is difficult for blockking up, installs and removes the washing convenience to solve the problem in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a disc rotation type liquid viscosity apparatus, includes entablature, step motor, last rotary disk, lower rotary disk and angle encoder, the fixed block that can slide is connected at the entablature both ends, goes up the fixed block that can slide and installs on the guide rail, and step motor installs on the entablature, and step motor connects the upper rotary disk through last spiale, and the upper rotary disk below is equipped with the lower rotary disk that is parallel to each other, and lower rotary disk links to each other with lower spiale through lower flange, lower spiale passes through the coaxial linking to each other of lower shaft coupling and angle encoder, and the round hole on angle encoder and the bottom end rail passes through the screw connection and fixes.
As a further scheme of the utility model, the entablature passes through the mounting screw on the guide rail, and the entablature passes through bolted connection with last slidable fixed block, and the entablature level is placed.
As a further proposal of the utility model, the upper beam is provided with a plurality of screw holes, the stepping motor is fixed on the upper beam in the screw hole by screwing the screw.
As a further scheme of the utility model, step motor links to each other with last spiale through last shaft coupling, go up the spiale and follow up the rotating disc center pin through last flange and link to each other.
As a further aspect of the present invention, the lower beam is fixed to the lower slidable fixing block by screws, and the lower slidable fixing block is mounted on the guide rail.
As a further aspect of the present invention, the lower rotating disk has an edge.
As a further scheme of the utility model, two guide rails parallel arrangement each other that entablature and bottom end rail both ends set up, the guide rail all fix on the support and with support parallel coincidence setting, the support bottom is in the same place with base vertical fixation, is connected with clamping screw between the base.
As a further proposal of the utility model, the upper rotating disk and the lower rotating disk are acrylic disks.
To sum up, compared with the prior art, the utility model has the following beneficial effects:
in the aspect of measuring the viscosity of the liquid, the utility model has the obvious advantages, is suitable for transparent and opaque liquid, is simple and easy to operate and saves more liquid consumption;
various types of liquids, including Newtonian and non-Newtonian liquids, transparent and non-transparent liquids, single liquids, solutions, emulsions and suspensions can be measured. The measuring speed is fast, the liquid consumption is few, and two disc intervals are easily adjusted, also pull down easily, and convenient washing can show the liquid viscosity number through computer program processing.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic structural diagram of the utility model.
Fig. 2 is a front view of an assembly diagram of the utility model.
Fig. 3 is a left side view of the assembly diagram of the utility model.
Fig. 4 is a top view of an assembly diagram of the utility model.
Reference numerals: 1-base, 2-fixed screw, 3-support, 4-guide rail, 5-upper slidable fixed block, 6-upper beam, 7-stepping motor, 8-upper coupler, 9-upper connecting shaft, 10-upper flange, 11-upper rotating disc, 12-lower rotating disc, 13-lower flange, 14-lower connecting shaft, 15-lower coupler, 16-angle encoder, 17-lower beam, 18-lower slidable fixed block.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 4, a disc rotation type liquid viscosity measuring instrument includes a base 1, a fixing screw 2, a bracket 3, a guide rail 4, an upper slidable fixing block 5, an upper beam 6, a stepping motor 7, an upper coupler 8, an upper connecting shaft 9, an upper flange 10, an upper rotating disc 11, a lower rotating disc 12, a lower flange 13, a lower connecting shaft 14, a lower coupler 15, an angle encoder 16, a lower beam 17, and a lower slidable fixing block 18.
The two ends of the upper cross beam 6 are connected with upper slidable fixing blocks 5, the upper slidable fixing blocks 5 are installed on the guide rails 4, the upper cross beam 6 is fixed or loosened on the guide rails 4 through screws, the upper slidable fixing blocks 5 are connected with the upper cross beam 6 through bolts, and the upper cross beam 6 is horizontally arranged;
the upper cross beam 6 is provided with a plurality of screw holes, the stepping motor 7 is screwed into the screw holes through screws to be fixed on the upper cross beam 6, the stepping motor 7 is connected with an upper connecting shaft 9 through an upper coupler 8, and the upper connecting shaft 9 is connected with the central shaft of a rotating disc 11 through an upper flange 10;
lower rotating disks 12 which are parallel to each other are arranged below the upper rotating disk 11, the lower rotating disks 12 are connected with lower connecting shafts 14 through lower flanges 13, the lower connecting shafts 14 are coaxially connected with an angle encoder 16 through lower couplers 15, and the angle encoder 16 is fixedly connected with a round hole in a lower cross beam 17 through screws;
the lower cross beam 17 is fixed on the lower slidable fixing block 18 through screws, the lower slidable fixing block 18 is installed on the guide rail 4, the lower slidable fixing block 18 is fixed or loosened on the guide rail 4 through screws, and the distance between the upper slidable fixing block 5 and the lower slidable fixing block 18 can be adjusted, so that the distance and the parallelism between the upper rotating disc 11 and the lower rotating disc 12 can be adjusted.
Lower rotating disc 12 has the border, can hold the liquid that awaits measuring, prevents that liquid from flowing out, round hole on the bottom end rail 17 is greater than motor fixing bolt's diameter, through the position of adjustment motor and angle encoder 16, can realize the axis collineation of upper rotating disc 11, lower rotating disc 12.
Two guide rails 4 that entablature 6 and bottom end 17 both ends set up are parallel to each other and set up, and guide rail 4 all fixes on support 3 and with support 3 parallel coincidence setting, support 3 bottom and base 1 vertical fixation are in the same place, are connected with clamping screw 2 between the base 1.
The embodiment of the utility model provides an in, step motor 7 is connected with the computer through drive circuit and serial ports or USB interface, and angle encoder 16 is connected with the computer through serial ports or USB interface between with the computer.
In the embodiment of the present invention, preferably, the upper rotating disk 11 and the lower rotating disk 12 are acrylic disks.
The working principle is as follows: the upper rotating disc 11 and the lower rotating disc 12 are moved to be parallel by adjusting the positions of the upper slidable fixing block 5 and the lower slidable fixing block 18 on the guide rail 4, the two discs have proper intervals, liquid to be measured is injected between the upper rotating disc 11 and the lower rotating disc 12, the injection amount of the liquid is proper, bubbles do not appear between the two discs, the liquid does not overflow the edge of the lower rotating disc 12, the upper rotating disc 11 and the lower rotating disc 12 are close to the rear edge and leave a gap, so that the upper rotating disc 11 and the lower rotating disc 12 can both contact the liquid, the stepping motor 7 is started by setting proper angular speed for the upper rotating disc 11, the operation parameters of the stepping motor 7 are set before use, the upper rotating disc 11 can rotate according to the set speed and drive the liquid tightly attached to the upper rotating disc 11 to rotate, and the viscous moment generated due to the relation of liquid viscosity is used as the driving moment of the lower rotating disc 12, under the action of torque, the lower rotating disk 12 rotates at different rotating speeds which are less than or equal to the rotating speed of the upper rotating disk 11, so that the rotation of the upper rotating disk 11 can drive the lower rotating disk 12 to rotate, the measurement of the viscosity of the liquid is realized through the differential motion of the disks, the rotating angular speeds of the upper rotating disk 11 and the lower rotating disk 12 are obtained through the angular encoder 16, the disk spacing is measured, the radiuses of the upper and lower disks are measured, the viscosity coefficients of the liquid are obtained through the equivalent calculation of the obtained rotating speeds of the upper rotating disk 11 and the lower rotating disk 12, the spacing between the upper rotating disk 11 and the lower rotating disk 12 and the radiuses of the upper rotating disk 11 and the lower rotating disk 12, and the viscosity coefficient of the liquid is obtained.
In the aspect of the liquid viscosity survey, the utility model discloses have apparent advantage, be applicable to transparent and opaque liquid, simple easy operation and more save the liquid quantity.
The utility model discloses liquid viscosity apparatus's advantage is: various types of liquids, including Newtonian and non-Newtonian liquids, transparent and non-transparent liquids, single liquids, solutions, emulsions and suspensions can be measured. The measuring speed is high, and the liquid consumption is less. The distance between the two discs is easy to adjust and detach, and the cleaning is convenient. And (4) processing the liquid through a computer program to display the viscosity value of the liquid.
The utility model discloses can be used as the physics experiment course teaching instrument of colleges and universities, colleges and universities and higher schools for the viscosity of research measurement liquid also can be used as commercial liquid viscosity measuring instrument.
The technical principle of the present invention has been described above with reference to specific embodiments, which are merely preferred embodiments of the present invention. The utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongings the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. Those skilled in the art will appreciate that other embodiments of the invention can be devised which do not require inventive effort and which fall within the scope of the present invention.
Claims (8)
1. A disc rotary liquid viscosity tester comprises an upper beam (6), a stepping motor (7), an upper rotary disc (11), a lower rotary disc (12) and an angle encoder (16), it is characterized in that two ends of the upper beam (6) are connected with upper slidable fixing blocks (5), the upper slidable fixing blocks (5) are arranged on the guide rail (4), a stepping motor (7) is arranged on the upper beam (6), the stepping motor (7) is connected with an upper rotating disc (11) through an upper connecting shaft (9), lower rotating discs (12) which are parallel to each other are arranged below the upper rotating disc (11), the lower rotating discs (12) are connected with a lower connecting shaft (14) through a lower flange (13), the lower connecting shaft (14) is coaxially connected with the angle encoder (16) through a lower coupler (15), and the angle encoder (16) is fixedly connected with a round hole in the lower cross beam (17) through a screw.
2. The disc rotary type liquid viscosity meter according to claim 1, wherein the upper beam (6) is mounted on the guide rail (4) by screws, the upper beam (6) is connected with the upper slidable fixing block (5) by bolts, and the upper beam (6) is horizontally placed.
3. The disc rotary type liquid viscosity meter according to claim 2, wherein the upper beam (6) is provided with a plurality of screw holes, and the stepping motor (7) is fixed on the upper beam (6) by screwing the screw into the screw holes.
4. The disc rotating type liquid viscometer of claim 3, characterized in that the stepping motor (7) is connected with the upper connecting shaft (9) through the upper coupling (8), and the upper connecting shaft (9) is connected with the central shaft of the rotating disc (11) through the upper flange (10).
5. The disc rotary liquid viscometer of claim 1, characterized in that the lower beam (17) is fixed by screws to a lower slidable fixed block (18), the lower slidable fixed block (18) being mounted on the guide rail (4).
6. A disc rotary fluid viscometer according to any one of claims 1 to 5 in which the lower rotating disc (12) has a rim.
7. The disc rotary type liquid viscosity tester according to claim 6, wherein the two guide rails (4) arranged at the two ends of the upper beam (6) and the lower beam (17) are arranged in parallel, the guide rails (4) are fixed on the bracket (3) and are arranged in parallel and coincidently with the bracket (3), the bottom of the bracket (3) is vertically fixed with the base (1), and the fixing screw (2) is connected between the bases (1).
8. The disc rotary fluid viscometer of claim 1, characterized in that the upper rotating disc (11) and the lower rotating disc (12) are acrylic discs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920414449.0U CN209821014U (en) | 2019-03-28 | 2019-03-28 | Disc rotation type liquid viscosity tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920414449.0U CN209821014U (en) | 2019-03-28 | 2019-03-28 | Disc rotation type liquid viscosity tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209821014U true CN209821014U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920414449.0U Active CN209821014U (en) | 2019-03-28 | 2019-03-28 | Disc rotation type liquid viscosity tester |
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| CN (1) | CN209821014U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765145A (en) * | 2019-03-28 | 2019-05-17 | 哈尔滨工业大学（威海） | A kind of disc rotary type liquid viscosity analyzer |
-
2019
- 2019-03-28 CN CN201920414449.0U patent/CN209821014U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765145A (en) * | 2019-03-28 | 2019-05-17 | 哈尔滨工业大学（威海） | A kind of disc rotary type liquid viscosity analyzer |
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