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Automatic horizontal hanging ring for measuring surface tension of liquid by using abruption method

A technology of liquid surface tension and lifting rings, applied in the direction of surface tension analysis, etc., can solve problems such as difficulty in level adjustment, achieve the effects of reducing experimental adjustment steps, improving experimental efficiency, and improving experimental accuracy

Inactive Publication Date: 2012-08-15
SICHUAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In the current pull-off method to measure the liquid surface tension coefficient experiment, the ring is hung on the hook of the measuring instrument by three metal wires, and one of the wires is manually bent to make the ring in a horizontal state, and the level adjustment is difficult

Method used

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  • Automatic horizontal hanging ring for measuring surface tension of liquid by using abruption method
  • Automatic horizontal hanging ring for measuring surface tension of liquid by using abruption method
  • Automatic horizontal hanging ring for measuring surface tension of liquid by using abruption method

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Embodiment Construction

[0009] The suspension ring is made of aluminum alloy, and consists of a suspension ring top 1, a trapezoidal hole 2 and a suspension ring cylinder 3. The suspension ring cylinder 3 is a cylinder with an outer diameter of 10.2cm, an inner diameter of 10cm, and a height of 0.5cm. A hemispherical surface with a diameter of 10cm and a thickness of 1mm attached to the cylinder, trapezoidal hole 2 is four trapezoidal holes with a length of 6.5cm on the long side, a length of 4.5cm on the short side, and a height of 4.5cm on the hemispherical surface.

[0010] The ring suspension device is composed of a hollow tube 4, a pillar 5, a small ball 6 and a suspension wire 7. The hollow tube 4 has a length of 10 cm, an inner diameter of 3 mm, and an outer diameter of 5 mm. It is made of aluminum alloy. The two hollow tubes 4 cross at 90 degrees, and the intersection point It is interoperable, and one of the tubes can be sawed, the other tube can be pierced through the hole, and then welded; ...

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Abstract

The invention discloses an automatic horizontal hanging ring for measuring the surface tension of liquid by using an abruption method, which relates to the field of physical experimental devices, and especially relates to the automatic horizon of a hanging ring for an experiment of measuring the surface tension coefficients of liquid by using an abruption method. In the current experiments, through manually bending one metal wire in a hanging ring, the hanging ring is in a horizontal state, and the horizontal adjustment of the hanging ring is difficult. The invention adopts the following technical scheme: the surface tension exerted on each part of a non-horizontal hanging ring is not balanced, so that an effect of point contact is achieved between the hanging ring and a wire drawing device; and under the action of the surface tension and through the advantage of small rolling friction, the automatic horizon of the non-horizontal hanging ring is realized before an abruption operation is performed. The hanging device disclosed by the invention has the advantages of carrying out automatic horizon adjustment, reducing an experiment adjusting step, simplifying the experiment process, improving the experiment efficiency, and improving the experiment accuracy.

Description

technical field [0001] The invention relates to the field of physical experiment devices, in particular to the automatic leveling of suspension rings for the experiment of measuring the surface tension coefficient of liquids by the pull-off method. Background technique [0002] The suspension ring in the current pull-off method for measuring the surface tension coefficient of a liquid is hung on the hook of the measuring instrument by three metal wires. By manually bending one of the wires, the suspension ring is in a horizontal state, and the level adjustment is difficult. Contents of the invention [0003] In order to overcome the difficulty of adjusting the level of the suspension ring in the experiment of measuring the surface tension coefficient of the liquid by the pull-off method, the present invention designs a suspension ring device that can realize automatic leveling by rolling. [0004] The technical scheme adopted by the present invention to solve the technical...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N13/02
Inventor 胡再国穆万军王维果
Owner SICHUAN UNIV
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