CN211014148U

CN211014148U - Roll angle measuring device

Info

Publication number: CN211014148U
Application number: CN201921637266.1U
Authority: CN
Inventors: 王琪; 陈明; 薛辉; 董雨; 黄良贤; 毛国宇; 张辉
Original assignee: Shaanxi Provincial Communication Construction Group Co
Current assignee: Shaanxi Provincial Communication Construction Group Co
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-07-14
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses a roll angle measuring device, the on-line screen storage device comprises a base, be equipped with rotatory objective table above the base, dropping liquid system rotatory objective table and base fixed connection, be equipped with sample mounting fixture above the rotatory objective table, be equipped with the roll angle calibrated scale on the base and be used for measuring the roll angle, dropping liquid system and base fixed connection, beneficial effect is: the utility model discloses the accessible the utility model discloses effectually carry out ninety degrees rotations to the objective table, actual operation is simple, and measurement result is direct-viewing, and then the measurement of the roll angle value for the sample brings the convenience, adopts liquid chromatogram to carry out the measurement of roll angle with the liquid droplet that 5 mu L was dripped to the accurate injector of crew cut trace volume to the liquid chromatogram.

Description

Roll angle measuring device

Technical Field

The utility model relates to a roll angle's measurement field particularly, relates to a roll angle measuring device.

Background

The measurement of the roll angle has important applications in the research of new material performance, material protection, medicine, semiconductor, cosmetics, life science, ink industry and other fields. The static Contact Angle (CA) and the rolling angle (SA) of the liquid drop are important parameters for evaluating whether the surface of the material has the functions of super hydrophobicity, self-cleaning and the like. The static contact angle refers to an included angle between a tangent of a liquid side of a gas-liquid interface made by a liquid drop at the intersection point of gas, liquid and solid and a solid-liquid boundary line; the roll angle is the critical angle that the inclined surface makes with the horizontal plane just as the droplet rolls on the inclined surface. The hydrophobicity of different materials can be compared by measuring static contact angle and rolling angle, and generally, when the CA of a water drop is more than 150 degrees and SA is less than 10 degrees, the material can be considered to have super-hydrophobicity, and the larger the contact angle and the smaller the rolling angle represent the better the hydrophobicity of the material.

At present, the technology for measuring the contact angle of the surface of the material at home and abroad is quite mature, but no special measuring equipment is provided for the rolling angle of the liquid drop on the surface of the material, and the liquid drop amount is not standardized when the rolling angle is measured.

SUMMERY OF THE UTILITY MODEL

To the problem in the correlation technique, the utility model provides a roll angle measuring device to overcome current correlation technique vacancy problem and improved roll angle measurement standard and experimental data's comparability.

Therefore, the utility model discloses a specific technical scheme as follows:

the utility model provides a roll angle measuring device, its characterized in that, includes the base, the higher authority of base is equipped with rotatory objective table, rotatory objective table passes through the gim peg seat and single scissors fork is connected, gim peg seat lower extreme and base fixed connection, gim peg seat upper end is articulated with rotatory objective table, the upper and lower extreme of single scissors fork is articulated through connecting the hinge with base and rotatory objective table respectively, single scissors fork middle part is equipped with the spiral pull rod, be equipped with sample mounting fixture above the rotatory objective table. The rolling angle dial is perpendicular to the base and is fixedly connected with the base through a tripod.

The injection micro-sampler is characterized in that a cantilever support is arranged on the base, an injection coarse adjustment knob and an injection fine adjustment knob are arranged in the cantilever support, a sawtooth pull rod is arranged in the cantilever support, the sawtooth pull rod is respectively meshed with the injection coarse adjustment knob and the injection fine adjustment knob through sawteeth on two sides, and the bottom end of the sawtooth pull rod is fixedly connected with a flat-head micro-sampler for liquid chromatography.

Preferably, the sample fixing clamp is provided with fixing baffles at two sides, the movable baffle is arranged in the middle of the sample fixing clamp, and the sample fixing clamp fixes the sample by acting on the movable baffle through bolts.

Preferably, the sawtooth size of the sawtooth pull rod meshed with the injection coarse adjustment knob is larger and is used for quickly adjusting the flat head microsyringe for the liquid chromatogram, and the sawtooth size of the sawtooth pull rod meshed with the injection fine adjustment knob is smaller and is used for slowly adjusting the flat head microsyringe for the liquid chromatogram, so that the influence of premature dripping of liquid drops due to too fast adjustment on a measurement result is avoided.

Preferably, the connection part of the bottom end of the sawtooth pull rod and the flat-head microsyringe for liquid chromatography is in spiral fixed connection.

Preferably, the rolling angle dial is made of transparent glass, a clamping groove slightly wider than the rolling angle dial is formed in the base, the bottom of the rolling angle dial is embedded into the clamping groove, glass cement is used for filling the gap, the tripod, the base and the rolling angle dial are fixedly bonded through the glass cement, and the tripod is a rectangular homogeneous plastic thin plate.

Preferably, in order to meet the actual requirement of measuring the rolling angle of the surface of the building, the maximum lifting height of the upper and lower hinged ends of the single scissor fork is more than or equal to the length of the hypotenuse of the triangular right-angle side, which is the distance from the upper and lower hinged points between the single scissor fork and the base as well as the rotary object stage to the hinged point of the fixed bolt seat.

Preferably, the amount of the liquid drop is 3-10 mu L when measuring the roll angle, and the amount of the liquid drop is more than 10 mu L when measuring the roll angle abroad, so that the utility model discloses a flat head microsyringe for liquid chromatogram is used for accurately dropping 5 mu L of the liquid drop in order to make the measured data have comparability and improve the measurement standard of the roll angle.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a roll angle measuring apparatus according to an embodiment of the present invention;

FIG. 2 is a left side view of the rotary stage and roll angle dial of FIG. 1;

fig. 3 is an enlarged schematic view of the knob injection system of fig. 1.

In the figure:

1. rotating the base; 2. a fixed bolt seat; 3. rotating the object stage; 4. a sample fixing clamp; 5. a roll angle dial; 6. a tripod; 7. a single scissor fork; 8. connecting a hinge; 9. a screw rod; 10. an injection system; 11. flat head microsyringe for liquid chromatography; 12. fixing the sleeve; 13. a knob; 14. an injection fine adjustment knob; 15. an injection coarse adjustment knob; 16. sawtooth pull rod

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

As shown in fig. 1, according to the utility model discloses roll angle measuring device, including base 1, the higher authority of base 1 is equipped with rotatory objective table 3, rotatory objective table 3 is connected through fixing bolt seat 2 and single scissors fork 7, fixing bolt seat 2 lower extreme and base 1 fixed connection, fixing bolt seat 2 upper end is articulated with rotatory objective table 3, the upper and lower end of single scissors fork 7 is articulated through connecting hinge 8 with base 1 and rotatory objective table 3 respectively, 7 middle parts of single scissors fork are equipped with spiral pull rod 9, be equipped with sample mounting fixture 4 above the rotatory objective table 3.

As shown in fig. 1 and 2, a rolling angle dial 5 is arranged on the base 1, and the rolling angle dial 5 is fixedly connected with the base 1 through a tripod 6.

As shown in fig. 1 and 3, a cantilever support 10 is arranged on the base 1, an injection rough adjusting knob 15 and an injection fine adjusting knob 14 are arranged inside the cantilever support 10, a saw-tooth pull rod 16 is arranged inside the cantilever support 10, the saw-tooth pull rod 16 is respectively meshed and connected with the injection rough adjusting knob 15 and the injection fine adjusting knob 14 through saw teeth on two sides, and the bottom end of the saw-tooth pull rod 16 is fixedly connected with a flat-head microsyringe 11 for liquid chromatography.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the staff places the solid sample on the objective table and fixes with sample mounting fixture 4, drips on the sample surface through adjusting injection coarse adjusting knob 15 and injection fine adjusting knob 14, (the liquid drop volume when measuring the roll angle is generally 3-10 mu L, and the liquid drop volume when measuring foreign roll angle is all more than 10 mu L, for making measured data have comparability and improve the roll angle measurement standard the utility model discloses the accurate drip of 5 mu L of flat head microsyringe 11 for liquid chromatogram is planned to adopt the liquid chromatogram to rotate spiral pull rod 9 and makes rotary objective table 3 slowly rotate around fixed bolt seat 2 pin joint, until the liquid drop takes place to roll, the angle that rotary objective table and roll angle calibrated scale 5 formed at this moment is the roll angle.

To sum up, with the help of the above-mentioned technical scheme of the utility model, the utility model discloses effectually ninety degrees rotations are carried out to the objective table, and easy operation is practical, and the measuring result is direct-viewed, and then the measurement of the roll angle value for the sample brings conveniently, adopt the liquid drop that the accurate dribbling of crew cut trace injector for liquid chromatogram 5 mu L carries out the roll angle's measurement to make measured data have comparability and improve roll angle measurement standard, avoided influencing the measuring result because of the liquid drop volume is too big.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A rolling angle measuring device is characterized by comprising a base (1), wherein a rotary object stage (3) is arranged on the base (1), the rotary object stage (3) is connected with a single scissors fork (7) through a fixed bolt seat (2), the lower end of the fixed bolt seat (2) is fixedly connected with the base (1), the upper end of the fixed bolt seat (2) is hinged with the rotary objective table (3), the upper end and the lower end of the single scissors fork (7) are respectively hinged with the base (1) and the rotary object stage (3) through a connecting hinge (8), a spiral pull rod (9) is arranged in the middle of the single scissors fork (7), a sample fixing clamp (4) is arranged on the rotary objective table (3), a rolling angle dial (5) vertical to the base (1) is arranged on the base (1), the roll angle dial (5) is fixedly connected with the base (1) through a tripod (6).

2. A roll angle measuring device according to claim 1, characterized in that a cantilever support (10) is arranged on the base (1), an injection rough adjusting knob (15) and an injection fine adjusting knob (14) are arranged inside the cantilever support (10), a saw-toothed pull rod (16) is arranged inside the cantilever support (10), the saw-toothed pull rod (16) is respectively meshed and connected with the injection rough adjusting knob (15) and the injection fine adjusting knob (14) through saw teeth on two sides, and the bottom end of the saw-toothed pull rod (16) is fixedly connected with a flat-head microsyringe (11) for liquid chromatography.

3. A roll angle measuring device according to claim 1, characterized in that the sample fixing jig (4) is provided with a fixed baffle on both sides, a movable baffle is provided in the middle of the sample fixing jig (4), and the sample fixing jig (4) fixes the sample by acting on the movable baffle through bolts.

4. A roll angle measuring device as claimed in claim 2, characterized in that said saw-toothed pull rod (16) has a larger saw-tooth size engaging said rough injection knob (15) and said saw-toothed pull rod (16) has a smaller saw-tooth size engaging said fine injection knob (14).

5. A roll angle measuring device according to claim 2, characterized in that the connection between the bottom end of the saw-toothed pull rod (16) and the flat-head microsyringe (11) for liquid chromatography is a screw-type fixed connection.

6. The roll angle measuring device according to claim 1, wherein the roll angle dial (5) is made of transparent glass, a clamping groove which is slightly wider than the roll angle dial (5) is formed in the base (1), the bottom of the roll angle dial (5) is embedded in the clamping groove, a gap is filled with glass cement, the tripod (6) is a rectangular homogeneous plastic thin plate, and the tripod (6) is fixedly bonded with the base (1) and the roll angle dial (5) through the glass cement.