A kinematic viscosity detection device for preparing oil-soluble corrosion inhibitor

Abstract

The present invention relates to the field of viscosity detection technology, and discloses a kinematic viscosity detection device for the preparation of an oil-soluble corrosion inhibitor, including a detector, a water bath tank provided on the detector, and a cover plate provided on the top of the water bath tank. The present invention can realize the leveling of the viscometer, ensure the accuracy of the detection result, and can remove the viscosity clamp and the viscometer for multiple times, replace the internal oil-soluble corrosion inhibitor for multiple detections, and as long as the viscosity clamp is reset, the viscometer is in a vertical state, and there is no need to adjust the position of the viscosity clamp multiple times to ensure that the viscometer is in a vertical state, saving time and labor, and when taking out the viscometer or installing the viscometer, the limit rod can be used to ensure that the viscometer moves vertically, so the surface of the viscometer will not collide with the carrier plate, and the carrier plate and the ring frame will not be distorted, ensuring that the subsequent viscometer can be used vertically.

Description

Technical Field

[0001] The invention belongs to the technical field of viscosity detection, and particularly relates to a kinematic viscosity detection device for preparing an oil-soluble corrosion inhibitor. Background Art

[0002] Viscosity is a physical property of fluid substances. It reflects the internal friction between molecules when the fluid is subjected to external forces. The viscosity of a substance is closely related to its chemical composition. In industrial production and scientific research, the composition or quality of a substance is often monitored by measuring viscosity.

[0003] During the preparation process of the oil-soluble corrosion inhibitor, it is necessary to test its kinematic viscosity. The existing testing device includes a detector, a viscometer, a viscosity clamp for fixing the viscometer, a water bath for preheating the oil-soluble corrosion inhibitor, and an ear washing ball for sucking the oil-soluble corrosion inhibitor into the viscometer. During the test, the oil-soluble corrosion inhibitor is sucked into the viscometer through the ear washing ball, and then the viscometer is fixed to the viscosity clamp, the viscosity clamp is placed on the top of the water bath, and the viscometer is placed in the water bath, and then subsequent testing operations are performed. However, when the viscosity clamp is placed on the top of the water bath, since the environment in which the water bath is located is not necessarily horizontal, it is necessary to adjust the three bolts on the viscosity clamp to make the viscosity clamp horizontal, thereby making the viscometer horizontal. This process is time-consuming and labor-intensive and cannot ensure that the adjusted viscometer is completely in a vertical state, which affects the test results. When the oil-soluble corrosion inhibitor in the viscometer needs to be replaced multiple times for measurement, the viscometer needs to be removed multiple times to replace the oil-soluble corrosion inhibitor. However, since the position of the viscosity clamp is changed during the replacement process, it needs to be readjusted, which is time-consuming and labor-intensive.

[0004] Therefore, it is necessary to invent a kinematic viscosity detection device for preparing oil-soluble corrosion inhibitors to solve the above problems. Summary of the invention

[0005] In view of the above problems, the present invention provides a kinematic viscosity detection device for preparing oil-soluble corrosion inhibitors to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A kinematic viscosity detection device for preparing an oil-soluble corrosion inhibitor comprises a detector, wherein the detector is provided with a water bath, a cover is provided on the top of the water bath, a heating component for heating the inside of the water bath is provided on the cover, a round opening is provided on the top of the cover, a ball head sleeve is fixedly installed in the round opening, a ring frame matching the ball head sleeve is provided inside the ball head sleeve, the ring frame can rotate freely inside the ball head sleeve, a carrier plate is fixedly installed on the inner side of the ring frame, a placement opening is provided in the middle of the carrier plate, a viscosity clamp matching the placement opening is provided on the top of the carrier plate, a clamping assembly is provided on the top of the viscosity clamp, the viscosity clamp clamps a viscometer through the clamping assembly, the bottom of the viscometer extends to the inside of the water bath, a counterweight ring is threadedly connected to the bottom of the ring frame, and a fixing assembly for fixing the ring frame is provided outside the ring frame.

[0008] Furthermore, the fixing assembly includes an electric push rod, and a connecting opening is commonly opened on the outer side of the cover plate and the outer side of the ball head sleeve. The electric push rod is fixedly installed in the opening, and a clamping plate matching the outer side of the ring frame is fixedly installed on the telescopic end of the electric push rod, and a rubber pad is provided on the side of the clamping plate close to the ring frame.

[0009] Furthermore, the top of the carrier plate is provided with limiting holes equidistantly arranged around the limiting holes, the top of the carrier plate is provided with embedding grooves corresponding to the limiting holes, a carrier block matching the limiting holes is provided in the embedding groove, a limiting rod matching the limiting holes is fixedly inserted in the middle of the carrier block, a connecting ring is fixedly installed on the bottom of multiple limiting rods, a positioning component for positioning the position of one of the limiting rods is provided on the outside, and a sliding hole matching the limiting rod is provided on the top of the viscosity clamp.

[0010] Furthermore, the positioning assembly includes an annular airbag, the material of which is rubber, an annular groove is provided on the outer side of one of the limiting rods, the annular airbag fixing sleeve is arranged outside the annular groove, and an injection assembly for injecting air into the annular airbag is provided on the outside of the annular airbag.

[0011] Furthermore, the gas injection assembly includes a cavity arranged inside a limiting rod which is sleeved with an annular airbag, a piston is provided inside the cavity, the cavity is connected to the annular airbag through a pipe, a pull rod is fixedly installed on the top of the piston, and a spring is sleeved outside the pull rod and above the piston.

[0012] Furthermore, when the viscosity clamp leaves the limiting rod, the inflated annular airbag can fix the whole composed of the plurality of limiting rods, the carrier block and the connecting ring by means of friction between the airbag and the inner wall of the limiting hole.

[0013] Furthermore, the weight of the counterweight ring is greater than the sum of the weights of the ring frame and all components arranged above it.

[0014] Furthermore, the top of the carrier plate is arranged horizontally, and the bottom of the viscosity clamp is in contact with the top of the carrier plate.

[0015] Technical effects and advantages of the present invention:

[0016] 1. The present invention can realize the leveling of the viscometer to ensure the accuracy of the test results. The viscosity clamp and the viscometer can be removed multiple times, and the internal oil-soluble corrosion inhibitor can be replaced for multiple tests. As long as the viscosity clamp is reset, the viscometer is in a vertical state, and there is no need to adjust the position of the viscosity clamp multiple times to ensure that the viscometer is in a vertical state, which saves time and effort.

[0017] 2. The present invention cooperates with the limit rod to ensure that the viscometer moves vertically when the viscometer is taken out or installed, so that the surface of the viscometer will not collide with the carrier plate, and the carrier plate and the ring frame will not be distorted, thereby ensuring that the viscometer can be used vertically in the future. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic structural diagram of a kinematic viscosity detection device for preparing an oil-soluble corrosion inhibitor according to an embodiment of the present invention is shown;

[0019] Figure 2 A schematic cross-sectional view of a kinematic viscosity detection device for preparing an oil-soluble corrosion inhibitor according to an embodiment of the present invention is shown;

[0020] Figure 3 The embodiment of the present invention is shown Figure 2 The enlarged structural diagram at A in the middle;

[0021] Figure 4 The embodiment of the present invention is shown Figure 2 The enlarged structural diagram at B in the middle;

[0022] Figure 5 A schematic structural diagram of a ring frame and a carrier plate assembly according to an embodiment of the present invention is shown;

[0023] Figure 6 A schematic structural diagram of a limit rod and a connecting ring assembly according to an embodiment of the present invention is shown;

[0024] Figure 7 A schematic structural diagram of a viscosity clamp and a viscometer combination according to an embodiment of the present invention is shown;

[0025] Figure 8 A schematic diagram of the top structure of a cover plate according to an embodiment of the present invention is shown;

[0026] Fig. 9 A schematic diagram of the bottom structure of a cover plate according to an embodiment of the present invention is shown;

[0027] In the figure: 1. detector; 2. water bath; 3. cover plate; 4. ball head sleeve; 5. ring frame; 6. carrier plate; 7. viscosity clamp; 8. counterweight ring; 9. electric push rod; 10. clamping plate; 11. limit rod; 12. carrier block; 13. annular airbag; 14. cavity; 15. piston; 16. pipeline; 17. spring; 18. pull rod; 19. connecting ring; 20. rubber pad; 21. sliding hole; 22. clamping assembly; 23. viscometer. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0029] The present invention provides a kinematic viscosity detection device for preparing an oil-soluble corrosion inhibitor, such as Figures 1 to 9 As shown, the detector 1 includes a tester 1, which is a viscosity tester in the prior art. The tester 1 is provided with a water bath 2, and a cover plate 3 is provided on the top of the water bath 2. The cover plate 3 is provided with a heating component for heating the inside of the water bath 2. The cover plate 3 is the cover plate of the water bath on the viscosity tester in the prior art. The heating component is the heating component for heating the water in the water bath on the viscosity tester in the prior art. A round opening is provided on the top of the cover plate 3, and a ball head cover 4 is fixedly installed in the round opening. A ring frame 5 matching with the ball head cover 4 is provided inside the ball head cover 4, and the ring frame 5 can be mounted on the ball head cover 4 can rotate freely inside, a carrier plate 6 is fixedly installed on the inner side of the ring frame 5, a placement port is provided in the middle of the carrier plate 6, a viscosity clamp 7 matched with the placement port is provided on the top of the carrier plate 6, a clamping component 22 is provided on the top of the viscosity clamp 7, the clamping component 22 is a clamping component for fixing the viscometer on the viscosity clamp in the prior art, the viscosity clamp 7 clamps the viscometer 23 through the clamping component 22, the bottom of the viscometer 23 extends to the inside of the water bath tank 2, a counterweight ring 8 is threadedly connected to the bottom of the ring frame 5, and a fixing component for fixing it is provided on the outside of the ring frame 5.

[0030] When in use, place the detector 1 at the desired position, cancel the fixation of the ring frame 5 by the fixing assembly, and at this time, under the action of gravity, the counterweight ring 8 swings with the ring frame 5, the carrier plate 6, the viscosity clamp 7 and the viscometer 23 connected thereto, and finally the counterweight ring 8 is in a vertical state, so that the ring frame 5, the carrier plate 6, the viscosity clamp 7 and the viscometer 23 connected thereto are in a vertical state, and then the ring frame 5 is fixed by the fixing assembly so that the viscometer 23 remains in a vertical state, and then the viscosity clamp 7 and the viscometer 23 connected thereto can be taken out, and then the fixation of the viscometer 23 by the clamping assembly 22 can be canceled, and the viscometer 23 can be separated from the clamping assembly 22, and the oil-soluble corrosion inhibitor to be tested can be installed in the viscometer 23 with the cooperation of the external ear washing ball, and then the viscometer 23 can be combined with the clamping assembly 22 again. The component 22 is connected to the viscosity clamp 7, and then the bottom of the viscometer 23 is placed into the water bath tank 2 through the placement port on the carrier plate 6. Finally, the viscosity clamp 7 is fitted with the top of the carrier plate 6, so that the viscometer 23 is in a vertical state and can be measured. During the whole process, the viscometer 23 can be adjusted to keep it in a vertical state, thereby ensuring the accuracy of the test results. The viscosity clamp 7 and the viscometer 23 can be removed for multiple times, and the internal oil-soluble corrosion inhibitor can be replaced for multiple tests. As long as the viscosity clamp 7 is reset, the viscometer 23 is in a vertical state, and there is no need to adjust the position of the viscosity clamp 7 multiple times to ensure that the viscometer 23 is in a vertical state, which saves time and effort. Even if a new position is changed, the viscometer 23 can be adjusted to be vertical to ensure the accuracy of the test.

[0031] like Figure 4 and Figure 8 As shown, the fixing assembly includes an electric push rod 9, and a connecting opening is commonly opened on the outer side of the cover plate 3 and the outer side of the ball head cover 4. The electric push rod 9 is fixedly installed in the opening. The telescopic end of the electric push rod 9 is fixedly installed with a clamping plate 10 matching the outer side of the ring frame 5, and a rubber pad 20 is provided on the side of the clamping plate 10 close to the ring frame 5.

[0032] Start the electric push rod 9 to shorten it and bring the clamping plate 10 and the rubber pad 20 away from the ring frame 5, canceling the fixation of the ring frame 5, and start the electric push rod 9 to extend it to achieve the friction between the rubber pad 20 and the ring frame 5, so that the ring frame 5 is fixed by the friction between the rubber pad 20 and the ring frame 5.

[0033] like Figures 3 to 9 As shown, the top of the carrier plate 6 is provided with limit holes equidistantly arranged around, the top of the carrier plate 6 is provided with an embedding groove corresponding to the limit hole, a carrier block 12 matching it is provided in the embedding groove, a limit rod 11 matching with the limit hole is fixedly inserted in the middle of the carrier block 12, a connecting ring 19 is fixedly installed at the bottom of multiple limit rods 11, a positioning component for positioning its position is provided on the outside of one of the limit rods 11, and a sliding hole 21 matching with the limit rod 11 is provided on the top of the viscosity clamp 7.

[0034] Pull the positioning assembly to cancel the positioning of the limit rod 11 and then move the limit rod 11 upward. By canceling the positioning of the limit rod 11, the friction between the limit rod 11 and the limit hole is reduced, so that the limit rod 11 can be easily moved upward. The positioning assembly moves the limit rod 11 upward in cooperation with the carrier block 12 and the viscosity clamp 7. At the same time, the limit rod 11 moves upward in cooperation with the connecting ring 19 to move the remaining limit rods 11 and the carrier block 12. The viscosity clamp 7 moves upward in cooperation with the clamping assembly 22 to move the viscometer 23 upward. Due to the cooperation between the limit rod 11 and the limit hole, the limit rod 11 moves vertically upward. Therefore, in cooperation with the sliding hole 21, the viscosity clamp 7 also moves vertically upward, thereby moving the viscometer 23 vertically upward. Therefore, the surface of the viscometer 23 will not collide with the carrier plate 6, and the carrier plate 6 and the ring frame will not be damaged. 5 is knocked crooked, so as to ensure that the subsequent viscometer 23 can be used vertically. When the limit rod 11 cannot move, the viscometer 23 leaves the carrier plate 6 and is above it. At this time, the viscosity clamp 7 can be held, the positioning component can be loosened, and the sliding hole 21 on the viscosity clamp 7 is separated from the limit rod 11 to realize the removal of the viscometer 23 and the viscosity clamp 7. At this time, the positioning component positions the limit rod 11 so that it cannot fall, so that the rest of the limit rod 11 and the connecting ring 19 cannot move. Then the sliding hole 21 of the viscosity clamp 7 can be passed through the top of the limit rod 11 and put back on the carrier block 12, and the viscosity clamp 7 is loosened. Under the action of gravity, the carrier block 12 and the limit rod 11 overcome the positioning of the positioning component on the limit rod 11, so that the viscosity clamp 7, the carrier block 12, and the limit rod 11 slowly fall, and finally the viscosity clamp 7 is reset.

[0035] like Figure 3 and Figure 5 As shown, the positioning assembly includes an annular airbag 13, which is made of rubber. An annular groove is provided on the outer side of a limiting rod 11, and the annular airbag 13 is fixedly sleeved outside the annular groove. An injection assembly for injecting air into the annular airbag 13 is provided on the outside of the annular airbag 13.

[0036] Pull the gas injection assembly to make it work in reverse to extract the air in the annular airbag 13 to make it deflate, and then pull the gas injection assembly to make it rise with the limit rod 11 and the carrier block 12 connected to it. At this time, since the annular airbag 13 has become deflated, the conflicting state with the limit hole is cancelled. Therefore, when the limit rod 11 rises subsequently, the friction between the annular airbag 13 and the limit hole is small, so that the limit rod 11 can rise easily. Release the gas injection assembly, reset the gas injection assembly, and inject air into the annular airbag 13 to expand it, so that the outer side of the annular airbag 13 conflicts with the limit hole, thereby relying on the friction between the limit hole to achieve the positioning of the limit rod 11, the connecting ring 19 and the remaining limit rods 11.

[0037] like Figure 3As shown, the gas injection assembly includes a cavity 14 arranged inside a limiting rod 11 on which an annular airbag 13 is sleeved, a piston 15 is arranged inside the cavity 14, the cavity 14 is connected to the annular airbag 13 through a pipe 16, a pull rod 18 is fixedly installed on the top of the piston 15, and a spring 17 is sleeved outside the pull rod 18 and above the piston 15.

[0038] Pull the rod 18 to make it rise with the piston 15, compress the spring 17 to deform it and generate a force. At the same time, the piston 15 cooperates with the pipe 16 to extract the air in the annular airbag 13 to deflate it, and the air enters the cavity 14. Release the rod 18, and the spring 17 releases the force to make the piston 15 and the rod 18 fall and reset, and inject air into the annular airbag 13 through the pipe 16 to expand it.

[0039] like Figures 2 to 9 As shown, when the viscosity clamp 7 leaves the limiting rod 11, the inflated annular airbag 13 can fix the whole consisting of the plurality of limiting rods 11, the carrier block 12 and the connecting ring 19 by means of friction between the airbag 13 and the inner wall of the limiting hole.

[0040] like Figure 2 As shown, the weight of the counterweight ring 8 is greater than the sum of the weights of the ring frame 5 and all components arranged thereon.

[0041] The counterweight ring 8 can bring the ring frame 5 and all components arranged thereon to a vertical state under the action of gravity, so that the viscometer 23 can remain vertical.

[0042] like Figure 2 and Figure 3 As shown, the top of the carrier plate 6 is arranged horizontally, and the bottom of the viscosity clamp 7 is in contact with the top of the carrier plate 6 .

[0043] This ensures that when the viscosity clamp 7 contacts the adjusted carrier plate 6, the viscometer 23 is in a vertical state.

[0044] Working principle: When in use, place the detector 1 at the desired position. If the desired position is not level, start the electric push rod 9 to shorten it and bring the clamping plate 10 and the rubber pad 20 away from the ring frame 5, cancel the fixation of the ring frame 5, and then under the action of gravity, the counterweight ring 8 brings the ring frame 5, the carrier plate 6, the viscosity clamp 7 and the viscometer 23 connected thereto to swing, and finally the counterweight ring 8 is in a vertical state, so that the ring frame 5, the carrier plate 6, the viscosity clamp 7 and the viscometer 23 connected thereto are in a vertical state, and start the electric push rod 9 to extend it, so that the rubber pad 20 can be in conflict with the ring frame 5, so that the rubber pad 20 can be matched with the ring frame 5. The friction between the ring frames 5 fixes the ring frame 5, so that the viscometer 23 remains in a vertical state, and the pull rod 18 is pulled to make it rise with the piston 15 to compress the spring 17 to deform it and generate a force, and at the same time, the piston 15 cooperates with the pipe 16 to extract the air in the annular airbag 13 to make it deflate, and the air enters the cavity 14, and then the pull rod 18 is pulled to cooperate with the piston 15 to rise with the limit rod 11. At this time, since the annular airbag 13 is deflated, the conflicting state with the limit hole is cancelled. Therefore, when the limit rod 11 rises later, the friction between the annular airbag 13 and the limit hole is small, so that the limit rod 11 It can be easily raised, the limit rod 11 cooperates with the carrier block 12 to bring the viscosity clamp 7 up, and at the same time the limit rod 11 cooperates with the connecting ring 19 to bring the rest of the limit rods 11 and the carrier block 12 up, the viscosity clamp 7 rises and cooperates with the clamping assembly 22 to bring the viscometer 23 up, because the limit rod 11 cooperates with the limit hole, so that the limit rod 11 rises vertically, so the sliding hole 21 makes the viscosity clamp 7 also rise vertically, so that the viscometer 23 rises vertically, so the surface of the viscometer 23 will not collide with the carrier plate 6, and the carrier plate 6 and the ring frame 5 will not be distorted, ensuring that the subsequent viscometer 23 can be vertically raised When the limiting rod 11 cannot move, the viscometer 23 leaves the carrier plate 6 and is located above it. At this time, the viscosity clamp 7 can be held, the pull rod 18 can be loosened, and the spring 17 releases the force to bring the piston 15 and the pull rod 18 down and reset, and the air is injected into the annular airbag 13 through the pipe 16 to expand it, so that the outer side of the annular airbag 13 conflicts with the limiting hole, so that the limiting rod 11, the connecting ring 19 and the remaining limiting rods 11 are positioned by the friction between the limiting hole, so that the limiting rod 11 is positioned so that it cannot fall, and the remaining limiting rods 11 and the connecting ring 19 cannot move;

[0045] The viscometer 23 is separated from the clamping assembly 22, and the oil-soluble corrosion inhibitor to be tested can be installed in the viscometer 23 with the help of an external ear cleaning ball. Then the viscometer 23 is connected to the viscosity clamp 7 with the help of the clamping assembly 22 again. Then the sliding hole 21 of the viscosity clamp 7 can be passed through the top of the pull rod 18 and the limit rod 11 and put back on the carrier block 12. The diameter of the pull rod 18 is smaller than the diameter of the limit rod 11. The viscosity clamp 7 is loosened. Under the action of gravity, the friction between the annular airbag 13 and the limit hole is overcome by the carrier block 12 and the limit rod 11, so that the viscosity clamp 7, the carrier block 12 and the limit rod 11 slowly descend. Finally, the viscosity The clamp 7 is reset so that the viscometer 23 is in a vertical state and can be measured. At the same time, due to the cooperation between the limit rod 11 and the limit hole, the viscometer 23 will not collide with the carrier plate 6 when it is lowered and reset. During the whole process, the viscometer 23 can be adjusted to keep it in a vertical state, thereby ensuring the accuracy of the test results. The viscosity clamp 7 and the viscometer 23 can be removed multiple times, and the internal oil-soluble corrosion inhibitor can be replaced for multiple tests. As long as the viscosity clamp 7 is reset, the viscometer 23 is in a vertical state, and there is no need to adjust the position of the viscosity clamp 7 multiple times to ensure that the viscometer 23 is in a vertical state, which saves time and effort.

[0046] The above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them.

Claims

1. A kinematic viscosity detection device for preparing an oil-soluble corrosion inhibitor, comprising a detector (1), characterized in that: The detector (1) is provided with a water bath tank (2), the top of the water bath tank (2) is provided with a cover plate (3), the cover plate (3) is provided with a heating component for heating the inside of the water bath tank (2), the top of the cover plate (3) is provided with a round opening, a ball head cover (4) is fixedly installed in the round opening, the inside of the ball head cover (4) is provided with a ring frame (5) matched therewith, the ring frame (5) can rotate freely inside the ball head cover (4), and a carrier plate (6) is fixedly installed on the inner side of the ring frame (5) ), a placement opening is provided in the middle of the carrier plate (6), a viscosity clamp (7) matched with the placement opening is provided on the top of the carrier plate (6), a clamping assembly (22) is provided on the top of the viscosity clamp (7), the viscosity clamp (7) clamps a viscometer (23) through the clamping assembly (22), the bottom of the viscometer (23) extends into the interior of the water bath tank (2), a counterweight ring (8) is threadedly connected to the bottom of the ring frame (5), and a fixing assembly for fixing the ring frame (5) is provided on the outside; The top of the carrier plate (6) is provided with limit holes at equal intervals, the top of the carrier plate (6) is provided with an embedding groove corresponding to the limit hole, a carrier block (12) matching the limit hole is provided in the embedding groove, a limit rod (11) matching the limit hole is fixedly inserted in the middle of the carrier block (12), a connecting ring (19) is fixedly installed at the bottom of a plurality of limit rods (11), a positioning component for positioning the position of one of the limit rods (11) is provided on the outside, and a sliding hole (21) matching the limit rod (11) is provided on the top of the viscosity clamp (7); The positioning assembly comprises an annular airbag (13), the annular airbag (13) is made of rubber, an annular groove is provided on the outer side of one of the limiting rods (11), the annular airbag (13) is fixedly sleeved outside the annular groove, and an air injection assembly for injecting air into the annular airbag (13) is provided outside the annular airbag (13); The gas injection assembly comprises a cavity (14) arranged inside a limiting rod (11) sleeved with an annular airbag (13); a piston (15) is arranged inside the cavity (14); the cavity (14) is connected to the annular airbag (13) through a pipe (16); a pull rod (18) is fixedly mounted on the top of the piston (15); a spring (17) is sleeved outside the pull rod (18) and located above the piston (15); When the viscosity clamp (7) leaves the limiting rod (11), the inflated annular airbag (13) can fix the whole composed of the plurality of limiting rods (11), the carrier block (12) and the connecting ring (19) by means of friction between the airbag and the inner wall of the limiting hole.

2. The kinematic viscosity detection device for preparing an oil-soluble corrosion inhibitor according to claim 1, characterized in that: The fixing assembly comprises an electric push rod (9), the outer side of the cover plate (3) and the outer side of the ball head cover (4) are provided with a communicating through hole, the electric push rod (9) is fixedly installed in the through hole, and a clamping plate (10) matching the outer side of the ring frame (5) is fixedly installed at the telescopic end of the electric push rod (9), and a rubber pad (20) is provided on the side of the clamping plate (10) close to the ring frame (5).

3. The kinematic viscosity detection device for preparing an oil-soluble corrosion inhibitor according to claim 1, characterized in that: The weight of the counterweight ring (8) is greater than the sum of the weights of the ring frame (5) and all components arranged above it.

4. The kinematic viscosity detection device for preparing an oil-soluble corrosion inhibitor according to claim 1, characterized in that: The top of the carrier plate (6) is arranged horizontally, and the bottom of the viscosity clamp (7) is in contact with the top of the carrier plate (6).

Images