CN218350055U

CN218350055U - Viscosity coefficient tester

Info

Publication number: CN218350055U
Application number: CN202222328300.5U
Authority: CN
Inventors: 初振云; 王骥
Original assignee: Qingdao Chuangmeng Instrument Co ltd
Current assignee: Qingdao Chuangmeng Instrument Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2023-01-20
Anticipated expiration: 2032-09-01

Abstract

The utility model relates to the technical field of measuring equipment, in particular to a viscosity coefficient measuring instrument, which comprises a bottom box and a top box, wherein one side edge of the bottom box is connected by a hinge, and a machine box and a workbench are arranged in the bottom box; one side of the bottom surface of the bottom box, which is far away from the hinge, is provided with a leveling handle; the top surface of the case is provided with a display screen for displaying the rotation angle of the workbench, a speed reduction motor is arranged in the case, and the speed reduction motor is provided with an output shaft; the middle parts of two sides of the workbench are symmetrically provided with side frames, the side frames are provided with rotating shafts for rotating the workbench, the rotating shafts are coaxially connected with the workbench, and the rotating shaft at one side close to the case is coaxially connected with the output shaft. The utility model discloses a set up quick-witted case and workstation in the under casing to through top case protection, not only portable can also protect, increase of service life can finely tune the inclination of workstation through the gear motor who sets up, is convenient for measure.

Description

Viscosity coefficient tester

Technical Field

The utility model relates to a measuring equipment technical field specifically is a viscosity coefficient apparatus.

Background

With the leap development of the drilling process technology, more and more special process wells, directional wells and cluster wells are available. The requirements on the lubricating performance of the drilling fluid are more and more, and meanwhile, the treating agents for lubricating the drilling fluid are increased year by year. Due to the differences in lubricant quality, plus the need for reasonable compatibility, an instrument is required for evaluation. The viscosity coefficient of the liquid is also called as internal friction coefficient or viscosity, and is an important physical quantity for describing the internal friction property of the liquid, in the field of oil exploitation of oil fields, the crude oil with the ground density of more than 0.943 and the underground viscosity of more than 50mPa.S is generally called as thick oil, is an oil-gas resource different from common crude oil, and has the same reserves as the common crude oil in the world; when the viscosity coefficient of the thick oil is measured, a viscosity coefficient measuring instrument is generally used for measuring the viscosity coefficient.

Publication (bulletin) no: CN202814838U discloses a liquid viscosity coefficient measuring instrument, which is characterized in that: the liquid viscosity coefficient tester comprises a measuring cylinder, a guider is arranged on the opening of the measuring cylinder, an upper support and a lower support are arranged on the measuring cylinder, a light source and an optical sensor are respectively arranged on each support, the light source and the optical sensor are connected with a main control circuit board through leads, the main control circuit board is arranged in a shell, a panel is arranged on the shell, a display screen is arranged on the panel, the display screen is connected with the main control circuit board through leads, and an operation key is arranged on the panel. The beneficial effects of the utility model are that, in the experiment that adopts the ball-drop method to measure the viscosity coefficient of liquid, the utility model discloses a photoelectric device measures the whereabouts position of steel ball, can eliminate the human factor, and the measuring result accuracy is high. The falling speed of the steel ball is calculated through the single chip microcomputer on the main control circuit board, the speed value is directly displayed through the display screen, the process of calculating the falling speed of the steel ball is omitted, and the operation is convenient and rapid.

The liquid viscosity coefficient determinator adopts the photoelectric device to measure the falling position of the steel ball, so that human factors can be eliminated, the accuracy of a measuring result is high, but the liquid viscosity coefficient determinator is large in size, inconvenient to carry and poor in measuring effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a viscosity coefficient apparatus to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a viscosity coefficient tester comprises a bottom box and a top box, wherein one side edge of the bottom box is connected with the top box through a hinge;

a leveling handle is arranged on one side, away from the hinge, of the bottom surface of the bottom box;

the top surface of the case is provided with a display screen for displaying the rotation angle of the workbench, a speed reduction motor is arranged in the case, and the speed reduction motor is provided with an output shaft;

the middle parts of two sides of the workbench are symmetrically provided with side frames, the side frames are provided with rotating shafts for rotating the workbench, the rotating shafts are coaxially connected with the workbench, and the rotating shaft at one side close to the case is coaxially connected with the output shaft.

Preferably, the opening edges of the bottom box and the top box are provided with sealing gaskets for improving the sealing effect.

Preferably, the leveling handle is coaxially connected with a threaded column, and the threaded column is in threaded connection with the bottom box.

Preferably, the outer wall of the leveling handle is provided with an anti-slip sleeve made of rubber, and the thickness of the anti-slip sleeve is 1-2mm.

Preferably, a sliding block and a sliding rod for detection are further arranged in the bottom box, and the sliding block and the sliding rod are arranged at the bottom of the workbench.

Preferably, the sliding block and the sliding rod are both made of stainless steel materials, the sliding block is a long solid cuboid, and the sliding rod is a long cylindrical solid cylinder.

Preferably, the workbench is made of corrosion-resistant materials, and the upper surface and the lower surface of the workbench are provided with horizontal bubbles.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in this viscosity coefficient apparatus, through setting up quick-witted case and workstation in the under casing to through the top case protection, not only portable can also protect, increase of service life can finely tune the inclination of workstation through the gear motor who sets up, is convenient for measure.

2. In this viscosity coefficient apparatus, the levelness of workstation can be adjusted through the cooperation of the screw thread post that sets up and leveling handle, and anti-skidding cover improves anti-skidding effect.

3. In this viscosity coefficient apparatus, the workstation adopts corrosion-resistant material to make, and the upper and lower two sides of workstation all is provided with the spirit bubble, prevents that the surface from being corroded, corrosion-resistant material increase of service life, the spirit on spirit bubble can the testing table surface.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the connection between the case and the worktable of the present invention;

FIG. 3 is a schematic view of the inverted structure of the present invention;

fig. 4 is the force analysis chart of the workbench during detection.

The meaning of the various reference symbols in the drawings:

10. a bottom box; 11. a leveling handle; 12. a threaded post; 13. an anti-slip sleeve;

20. a top box;

30. a chassis; 31. a display screen; 32. a reduction motor; 33. an output shaft;

40. a work table; 41. a side frame; 42. horizontal bubble; 43. a rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention and the accompanying drawings of the specification, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

A viscosity coefficient tester, as shown in fig. 1-4, comprises a bottom case 10 and a top case 20 which are connected by a hinge at one side edge, a machine case 30 and a workbench 40 are arranged in the bottom case 10; a leveling handle 11 is arranged on one side of the bottom surface of the bottom box 10, which is far away from the hinge; a display screen 31, an operation keyboard and a zero clearing key which are used for displaying the rotation angle of the workbench 40 are arranged on the top surface of the case 30, a speed reducing motor 32 is arranged in the case 30, and the speed reducing motor 32 is provided with an output shaft 33; the middle parts of two sides of the workbench 40 are symmetrically provided with side frames 41, a rotating shaft 43 used for rotating the workbench 40 is installed on each side frame 41, the rotating shaft 43 is coaxially connected with the workbench 40, the rotating shaft 43 close to one side of the case 30 is coaxially connected with the output shaft 33, the case 30 and the workbench 40 are arranged in the bottom case 10 and protected by the top case 20, the carrying is convenient, the protection can be carried out, the service life is prolonged, the inclination angle of the workbench 40 can be finely adjusted through the arranged speed reducing motor 32, and the measurement is convenient.

It is noted that the opening edges of the bottom case 10 and the top case 20 are each provided with a sealing gasket for improving a sealing effect.

Furthermore, a threaded column 12 is coaxially connected to the leveling handle 11, the threaded column 12 is in threaded connection with the bottom case 10, an anti-slip sleeve 13 made of rubber is arranged on the outer wall of the leveling handle 11, the thickness of the anti-slip sleeve 13 is 1-2mm, the levelness of the workbench 40 can be adjusted through the matching of the threaded column 12 and the leveling handle 11, and the anti-slip sleeve 13 improves the anti-slip effect.

Specifically, still be provided with the slider and the smooth stick that are used for detecting in the under casing 10, slider and smooth stick set up in the bottom of workstation 40, and slider and smooth stick all adopt stainless steel to make, and the slider is long solid cuboid, and the smooth stick is long tube-shape solid cylinder.

In addition, workstation 40 adopts corrosion-resistant material to make, and one side of workstation 40 is seted up flutedly, and the upper and lower two sides of workstation 40 all is provided with horizontal bubble 42, prevents that the surface from being corroded, and corrosion-resistant material increase of service life, horizontal bubble 42 can detect the levelness on workstation 40 surface.

The utility model discloses the theory of operation of viscosity coefficient apparatus:

1. slider testing method

1) The specification is to be read in detail. And checking whether the connection of each connection part is firm and reliable. The power supply is reliably grounded.

2) When the power is switched on, the display screen 31 displays. Pressing the running key to check whether the rotating parts run normally. If the numerical value is normal, the workbench 40 without the groove surface is turned upwards, and the numerical value is reset for standby by pressing two reset keys.

3) The leveling handle 11 is adjusted left and right, the horizontal bubble 42 is observed, the worktable 40 is adjusted to be horizontal without a groove surface, and the preparation work is finished.

4) The resulting mudcake after fluid loss as per API standard is placed on a flat surface without grooves on the table 40.

5) The slide was gently placed on the cake and allowed to stand for one minute.

6) When the running key is pressed down, the speed reduction motor 32 drives the output rotating shaft 33, so that the workbench 40 drives the sliding block to slowly turn over. While the numbers on the display screen 31 also slowly increase from zero as the table is flipped.

7) When the slide block starts to slide along with the overturning of the workbench 40, the stop key is pressed, and the angle value and the tg value on the display screen 31 are read, wherein the tg value is the friction coefficient of the mud cake.

2. Slide bar test method

1) The slider test methods 1 and 2 were repeated. After confirming that all items are normal, the face with the groove of the workbench 40 is turned to the upper face, two clear keys are pressed, and the numerical value is cleared for standby.

2) And (4) adjusting the leveling handle 11 left and right, observing the horizontal bubble 42, leveling the grooved surface of the workbench 40 to be horizontal, and finishing the preparation work.

3) The mud cake obtained after filtration according to the API standard is placed in the groove of the workbench 40, and a part of the same drilling fluid is placed on the mud cake. The slide bar is then gently placed on the drilling fluid in the recess. And standing for one minute.

4) When the running key is pressed down, the speed reduction motor 32 drives the output rotating shaft 33, so that the workbench 40 drives the slide bar to slowly turn over. And the number on the angle display screen 31 also increases slowly from zero as the table 40 is flipped.

5) And when the slide bar starts to slide along with the overturning of the workbench, pressing a stop key, and reading the angle value and the tg value on the display screen. the tg value is the coefficient of friction of the mudcake.

6) The test needs a plurality of mud cakes of the drilling fluid, and the slide bars of the mud cakes are different in standing time, wherein the standing time can be 1, 3, 5, 7, 9, 11, 13 \8230min. The slide bar is allowed to stand for a certain time. Until the friction coefficient does not increase any more at the following points, it can be seen that the curve rises to a certain extent by plotting a graph of the measured angle and the standing time. The state is smooth, and the inflection point value is the maximum friction coefficient and the static pressure time. And then, directly making the drilling fluid of the same type for the maximum standing time.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only the preferred embodiments of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A viscosity coefficient measuring instrument comprises a bottom box (10) and a top box (20) which are connected through a hinge at one side edge, wherein a machine box (30) and a workbench (40) are installed in the bottom box (10), and the viscosity coefficient measuring instrument is characterized in that:

a leveling handle (11) is arranged on one side, away from the hinge, of the bottom surface of the bottom box (10);

a display screen (31) for displaying the rotation angle of the workbench (40) is mounted on the top surface of the case (30), a speed reducing motor (32) is mounted in the case (30), and the speed reducing motor (32) is provided with an output shaft (33);

the middle parts of two sides of the workbench (40) are symmetrically provided with side frames (41), rotating shafts (43) used for rotating the workbench (40) are installed on the side frames (41), the rotating shafts (43) are coaxially connected with the workbench (40), and the rotating shafts (43) on one side close to the case (30) are coaxially connected with the output shaft (33).

2. The viscosity coefficient meter according to claim 1, wherein: and sealing gaskets for improving the sealing effect are arranged at the opening edges of the bottom box (10) and the top box (20).

3. The viscosity coefficient measuring instrument according to claim 1, wherein: the leveling handle (11) is coaxially connected with a threaded column (12), and the threaded column (12) is in threaded connection with the bottom box (10).

4. The viscosity coefficient meter according to claim 1, wherein: the outer wall of the leveling handle (11) is provided with an anti-skidding sleeve (13) made of rubber, and the thickness of the anti-skidding sleeve (13) is 1-2mm.

5. The viscosity coefficient measuring instrument according to claim 1, wherein: the detection device is characterized in that a sliding block and a sliding rod which are used for detection are further arranged in the bottom box (10), and the sliding block and the sliding rod are arranged at the bottom of the workbench (40).

6. The viscosity coefficient meter of claim 5, wherein: the sliding block and the sliding rod are both made of stainless steel materials, the sliding block is a long-strip-shaped solid cuboid, and the sliding rod is a long-barrel-shaped solid cylinder.

7. The viscosity coefficient meter according to claim 1, wherein: the workbench (40) is made of corrosion-resistant materials, and horizontal bubbles (42) are arranged on the upper surface and the lower surface of the workbench (40).