Experimental device to improve the accuracy of students' experimental data

Abstract

The invention discloses an experimental device for improving the accuracy of experimental data of students. The device comprises a base, a support column is arranged on the top of the base, a lifting board is arranged on the support column, the lifting board can move in the axial direction of the support column, a sleeve is arranged on the side wall of the support column, a connecting rod is arranged in the sleeve, the connecting rod can move inside the sleeve, one end of the sleeve is located in the sleeve, the other end of the sleeve is provided with a clamping component, the clamping component can rotate around the axis of the connecting rod, the clamping mechanism comprises a first clamp and a second clamp, a rotating shaft is arranged between the first clamp and the second clamp, and the first clamp and the second clamp can both rotate around the rotating shaft. According to the device, the structure is simple, operation is convenient, the height of the lifting board can be adjusted freely, and it is guaranteed that the lifting board does not fall off; meanwhile, the horizontal length of the clamping component can be adjusted, so that a certain space is saved.

Description

technical field [0001] The invention relates to an auxiliary tool for experimental equipment, in particular to an experimental device for improving the accuracy of students' experimental data. Background technique [0002] Both physics and chemistry are subjects based on experiments. Teachers combine experiments to teach knowledge, and students use experiments to understand and master what they have learned. Only by combining classroom teaching and hands-on experiments can good teaching effects be achieved. After-school assignments include A large number of home experiments require students to do experiments while learning, and to do more experiments to improve students' hands-on ability. In physical experiments, iron stands are often used, which are used to fix and support various instruments, and iron rings can be used instead of funnel stands. It is generally used in experimental operations such as filtration, heating, titration, etc. It is one of the most widely used in...

AI Technical Summary

Problems solved by technology

[0003] At present, most of the existing iron stands use bolts to realize lifting, but after using this method for a period of time, because the bolts are pressed against the support rods for a long time, the support rods of the iron stand will be seriously worn by the bolts, making the The bolts cannot stably fix the iron ring at the specified height. When the iron ring carries heavier experimental equipment, it is easy to slip and cause damage to the experimental equipment. It can adjust the length in the horizontal direction, but its length is longer and takes up more space, which also has a certain impact on students' experiments

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