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Transposer

A technology of transposition device and gear plate, which is applied in the direction of surface tension analysis, etc., can solve the problems of increased measurement cumbersomeness, waste of measurement time, and pollution of hanging pieces, so as to save measurement time, avoid the possibility of collision damage, and manufacture low cost effect

Inactive Publication Date: 2003-12-10
INSITUTE OF BIOPHYSICS CHINESE ACADEMY OF SCIENCES
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Problems solved by technology

However, the problem in previous measurements is that the hanging piece is polluted after the measurement is completed. In order to ensure the accuracy of the next measurement, the measurement must be stopped to replace the hanging piece and be cleaned strictly, which wastes effective Measuring time increases the cumbersomeness of measurement

Method used

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Embodiment Construction

[0009] Such as figure 1 As shown, in the transposition device of the present invention, one end of the cantilever 1 is provided with a connection hole 1 a on the side wall, and the other end is provided with a vertical through hole 1 b and a connection hole 1 c is provided on its side wall. The side wall of the boom bracket 2 is provided with a connecting hole 2a, and the boom 1 and the boom bracket 2 are connected together by connecting elements such as bolts through the connecting holes 1a and 2a thereon. Suspenders 4 are respectively hung on the cutting edges at the two ends of the suspender bracket 2, and a length adjusting rod 4a for adjusting the length of the suspenders can be arranged on the suspenders 4. A hanger (not shown) for measurement is hung on the lower end of the length adjustment rod 4a. The suspension ring 5 connected with the sensor (not shown in the figure) contacts the upper end 4b of the suspension rod 4 during measurement, so as to transmit the measur...

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Abstract

A transposer is composed of hung rods and their supporter, cantilever whose one end is fixed to said supporter, movable sleeve whose top end passes through and is fixed to the vertical through hole at another end of cantilever, operating handle, fixing axle and stop plate. The top end of fixing axle and stop plate are fixed to the frame. It is characterized by that the hung pieces can be exchanged by handle without interrupting measurement, resulting in short measuring time and high efficiency.

Description

technical field [0001] The invention relates to a transposition device, which is especially suitable for measuring liquid surface tension or gas-liquid interface monomolecular layer surface film pressure. Background technique [0002] The Wilhelmy hanging piece method is the main method to measure the surface tension of the liquid or the surface film pressure of the monomolecular layer at the gas-liquid interface. In actual operation, the hanging piece such as thin platinum sheet or filter paper is connected to the force For sensors (such as mechanical balances, electronic balances, differential transformers, elastic sheets, etc.), the hanging pieces are suspended until they come into contact with the liquid surface, and the surface tension can be transferred to the sensor for measurement. However, the problem in previous measurements is that the hanging piece is polluted after the measurement is completed. In order to ensure the accuracy of the next measurement, the measure...

Claims

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Application Information

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IPC IPC(8): G01N13/02
Inventor 韩学海
Owner INSITUTE OF BIOPHYSICS CHINESE ACADEMY OF SCIENCES
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