CN218823779U

CN218823779U - Device for rapidly testing rolling angle of liquid drop

Info

Publication number: CN218823779U
Application number: CN202320145244.3U
Authority: CN
Inventors: 李涛; 刘曦非; 石涛; 夏祖西; 彭华乔
Original assignee: Second Research Institute of CAAC
Current assignee: Second Research Institute of CAAC
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-04-07
Anticipated expiration: 2033-02-07

Abstract

The utility model discloses a device for rapidly testing the rolling angle of liquid drops, which comprises an upper platform and a lower platform, wherein the lower platform is suspended below the upper platform through a plurality of inner supports, the upper ends of the inner supports penetrate through the upper platform and are fixed through adjusting nuts, and the lower ends of the inner supports are connected with the lower platform; a test flat plate is arranged in the middle of the lower platform, one end of the test flat plate is hinged with the lower platform, and an included angle between the test flat plate and the lower platform is adjustable; the edge of the test plate is fixed with an angle scale. The device of the utility model can finely adjust the lower platform through the adjusting nut to keep the lower platform horizontal, then adjust the inclination angle of the testing flat plate, observe the rolling angle of the testing liquid drop, and directly read the inclination angle through the angle scale to obtain an accurate rolling angle value; simple structure, low cost and convenient use.

Description

Device for rapidly testing rolling angle of liquid drop

Technical Field

The utility model relates to a material research test device technical field, concretely relates to test device of liquid drop roll angle fast.

Background

The super-hydrophobic material is a material with water repellency, and water drops cannot be spread on the surface of the super-hydrophobic material in a sliding mode and keep a spherical rolling shape, so that the rolling self-cleaning effect is achieved. The rolling angle is an important parameter for measuring the wettability of liquid to the surface of a material, the surface with the rolling angle smaller than 10 degrees is called a super-hydrophobic surface, the rolling angle is measured by dripping a certain amount of liquid drops on the surface of a solid to be tested through an instrument, and the rolling angle is obtained by inclining a solid sample and measuring the angle of a critical state.

The chinese patent application CN 113504157A discloses a device and a method for testing a contact angle and a rolling angle of a liquid drop at different temperatures, wherein the device is provided with a multi-degree-of-freedom carrying module, and the multi-degree-of-freedom carrying module has the following specific structure: the Y-axis micrometer sliding table is connected to the X-axis micrometer sliding table through a bolt, the XY angle sliding table is connected to the Y-axis micrometer sliding table through a bolt, and the carrying plate is connected with the XY angle sliding table through a countersunk head screw; the XY angle sliding table can be used for adjusting the inclination angle within the range of +/-10 degrees, can rotate in an XY plane and aims to level the device and measure the rolling angle. The equipment structure is complicated among the above-mentioned patent, and the precision is high, and manufacturing cost is also high simultaneously, and is not convenient for go out to carry.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects in the prior art, the utility model provides a simple structure, convenient to use's device for testing liquid drop roll angle fast.

In order to realize the technical purpose, the utility model adopts the technical scheme that:

the device for rapidly testing the rolling angle of the liquid drop comprises an upper platform and a lower platform, wherein the lower platform is suspended below the upper platform through a plurality of inner supports, the upper ends of the inner supports penetrate through the upper platform and are fixed through adjusting nuts, and the lower ends of the inner supports are connected with the lower platform; a test flat plate is arranged in the middle of the lower platform, one end of the test flat plate is hinged with the lower platform, and an included angle between the test flat plate and the lower platform is adjustable; the edge of the test plate is fixed with an angle scale.

Furthermore, the other end of the test flat plate opposite to the hinged end is connected with a traction rope, a pulley support is arranged in the region of the upper platform corresponding to the traction rope, a pulley is connected onto the pulley support, and the other end of the traction rope upwards penetrates through the pulley to be connected with a micro motor arranged on the upper platform.

Further, the angle scale is a digital display angle scale.

Furthermore, the lower platform is square, and the number of the inner supports is four, and the four inner supports are arranged at the four corners of the lower platform.

Furthermore, the upper platform is supported by a plurality of support columns, and the support columns are detachably connected with the upper platform.

Further, the support column is in threaded connection with the upper platform.

Furthermore, the bottom of the support column is provided with a support pad.

Preferably, the supporting pad is a rubber pad or a silica gel pad.

Further, the support column is a telescopic column.

Further, the device also comprises a high-speed camera which is used for shooting and recording the test process.

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

the device of the utility model has simple structure, low manufacturing cost, convenient leveling and simple test operation;

in a further scheme, a motor is used for slowly pulling the traction rope at a constant speed to adjust the inclination angle of the test flat plate, and the inclination value is read through an angle scale, so that the rolling angle of the liquid drop can be accurately measured;

the utility model discloses a device, the structure can be dismantled, and the equipment is simple swift, and it is convenient to go out to carry.

Drawings

To more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Reference numerals: 1-upper platform, 2-lower platform, 3-inner support, 4-adjusting nut, 5-testing flat plate, 6-angle scale, 7-traction rope, 8-pulley support, 9-pulley, 10-micro motor, 11-support column, 12-support pad and 13-bubble level meter.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

A device for rapidly testing the rolling angle of a liquid drop comprises an upper platform 1 and a lower platform 2, wherein the lower platform 2 is suspended below the upper platform 1 through a plurality of inner supports 3, the upper ends of the inner supports 3 penetrate through the upper platform 1 and are fixed through adjusting nuts 4, and the lower ends of the inner supports 3 are connected with the lower platform 2; a test flat plate 5 is arranged in the middle of the lower platform 2, one end of the test flat plate 5 is hinged with the lower platform 2, and an included angle between the test flat plate 5 and the lower platform 2 is adjustable; an angle scale 6 is fixed on the edge of the test flat plate 5, preferably, the angle scale 6 is a digital display angle scale; the bubble level meter 13 is embedded on the test flat plate 5.

In one embodiment, the other end of the test panel 5 opposite to the hinged end is connected with a traction rope 7, a pulley bracket 8 is arranged on the upper platform 1 corresponding to the area of the traction rope 7, a pulley 9 is connected on the pulley bracket 8, and the other end of the traction rope 7 passes through the pulley 9 upwards and is connected with a micro motor 10 arranged on the upper platform 1. The micro motor 10 slowly pulls the traction rope 7 at a constant speed, the traction rope 7 pulls the test flat plate 5 to realize inclination angle adjustment, inclination angle data reading can be realized through the angle scale 6, and the rolling angle of the liquid drop can be accurately measured. In another embodiment, a motor is arranged below the test flat plate 5, an output shaft of the motor is hinged with the bottom surface of the test flat plate 5, and the output shaft of the motor extends out to drive the test flat plate to rotate around a hinge shaft, so that the angle adjustment is realized.

Preferably, the lower platform 2 is square, the number of the inner supports 3 is four, and the inner supports 3 are arranged at four corners of the lower platform 2. The inner support 3 is in a step column shape, the small end head is provided with threads, the small end of the inner support 3 sequentially penetrates through the lower platform 2 and the upper platform 1 from the bottom of the lower platform 2 to be connected with the adjusting nut 4, the large end of the inner support 3 abuts against the bottom of the lower platform 2, and the inner support 3 is in clearance fit with the through hole of the lower platform 2.

Further, upper portion platform 1 is square, supports through many support columns 11, support columns 11 and upper portion platform 1 detachable connection, preferably, support columns 11 are four altogether, with upper portion platform 1 threaded connection. Support column 11 bottom is equipped with supporting pad 12, supporting pad 12 is rubber pad or silica gel pad, can prevent to skid when the support column is placed. Preferably, the support column 11 is a telescopic rod, and on one hand, the support height can be adjusted, and on the other hand, the support column is convenient to disassemble and store and manage.

The device of the utility model can finely adjust the lower platform through the adjusting nut, and observe the bubble level meter to ensure that the lower platform keeps horizontal; then, a test sample plate to be tested is placed on a test flat plate, liquid drops are added onto the sample plate to be tested through an injector or other liquid adding devices, the inclination angle of the test flat plate is adjusted through a motor, the rolling angle of the test liquid drops can be observed, the inclination angle is directly read through an angle scale, and an accurate rolling angle value is obtained; the device of the utility model has the advantages of simple structure and low cost, and is convenient to disassemble and assemble and convenient to carry.

Of course, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it is intended that all such modifications and variations be considered within the spirit or scope of the present invention as defined by the appended claims.

Claims

1. An apparatus for rapidly testing the rolling angle of a liquid drop is characterized in that: the device comprises an upper platform (1) and a lower platform (2), wherein the lower platform (2) is suspended below the upper platform (1) through a plurality of inner supports (3), the upper ends of the inner supports (3) penetrate through the upper platform (1) and are fixed through adjusting nuts (4), and the lower ends of the inner supports (3) are connected with the lower platform (2); a testing flat plate (5) is arranged in the middle of the lower platform (2), one end of the testing flat plate (5) is hinged with the lower platform (2), and an included angle between the testing flat plate (5) and the lower platform (2) is adjustable; an angle scale (6) is fixed on the edge of the test flat plate (5).

2. The device for rapidly testing the rolling angle of a liquid drop according to claim 1, wherein: the other end of the relative hinged end of the test flat plate (5) is connected with a traction rope (7), a pulley support (8) is arranged in the region, corresponding to the traction rope (7), of the upper platform (1), a pulley (9) is connected onto the pulley support (8), and the other end of the traction rope (7) upwards penetrates through the pulley (9) to be connected with a micro motor (10) arranged on the upper platform (1).

3. The device for rapidly testing the rolling angle of a liquid drop according to claim 1, wherein: the angle scale (6) is a digital display angle scale.

4. The device for rapidly testing the rolling angle of a liquid drop according to claim 1, wherein: the lower platform (2) is square, and the number of the inner supports (3) is four, and the four inner supports are respectively arranged at the four corners of the lower platform (2).

5. The device for rapidly testing the rolling angle of a liquid drop according to claim 1, wherein: the upper platform (1) is supported by a plurality of supporting columns (11), and the supporting columns (11) are detachably connected with the upper platform (1).

6. The device for rapidly testing the rolling angle of a liquid drop according to claim 5, wherein: the supporting column (11) is in threaded connection with the upper platform (1).

7. The device for rapidly testing the rolling angle of a liquid drop according to claim 5, wherein: the bottom of the supporting column (11) is provided with a supporting pad (12).

8. The apparatus for rapidly testing the roll angle of a liquid droplet as claimed in claim 7, wherein: the supporting pad (12) is a rubber pad or a silica gel pad.

9. The apparatus for rapidly testing the roll angle of a liquid drop according to claim 5, wherein: the support column (11) is a telescopic column.

10. The device for rapidly testing the rolling angle of a liquid drop according to claim 1, wherein: the test system also comprises a high-speed camera which is used for shooting and recording the test process.