The invention discloses a device for measuring static sliding friction coefficients of seeds on the basis of a tangent mechanism. A collecting box is arranged on the outer wall of a shell body, a first sliding groove and a second sliding groove are formed parallelly in the shell body, a motor rack is installed on a cylindrical boss, and a motor is arranged on the motor rack; a slidable first sliding strip is arranged in the first sliding groove, a slidable second sliding strip is arranged in the second sliding groove, and the two ends of a panel contact shaft are fixedly connected to the topsof the first sliding strip and second sliding strip respectively; a horizontal bearing is arranged on the lateral surface of the motor rack. A gear set includes a large gear and a small gear, a sliding block capable of moving along a swing rod sleeves the swinging rod, and the panel shaft is in interference fit with an inner ring of a vertical bearing and can rotate around an outer ring of the vertical bearing; two slots are formed on the panel and internally provided with an experiment board, and two movable converging plates are arranged on the experiment board. The device for measuring thestatic sliding friction coefficients of the seeds on the basis of the tangent mechanism is easy to operate, convenient and easy to carry and stable in running, and the precision of an experiment result is high.

Device for measuring static sliding friction coefficients of seeds on basis of tangent mechanism

The invention discloses a seed static sliding friction coefficient measuring system based on a parallel four-rod mechanism. A first bearing group comprises two vertical bearings which are oppositely arranged, and a second bearing group comprises two vertical bearings which are oppositely arranged, wherein two ends of a panel shaft are respectively arranged in the two vertical bearings of the firstbearing group; a crank shaft is arranged between the two vertical bearings of the second bearing group; a panel is connected with the panel shaft and synchronously rotates with the panel shaft; two first connecting rods which are arranged in parallel are fixed on the inner side wall of the panel; second connecting rods are respectively hinged to the other ends of the two first connecting rods; the other end of each of the two second connecting rods is connected with the crank shaft, and the crank shaft penetrates through the two second connecting rods; and a single-chip microcomputer, a motordriver, a wireless bluetooth remote control module and a display module are arranged on the outer wall of a housing. Through the adoption of the seed static sliding friction coefficient measuring system disclosed by the invention, not only is complication in the process of labour measurement solved, but also the problem of inaccurate reading in the labour measurement result is avoided, and the regulating and controlling efficiency and the regulating and controlling effect of the measuring process is improved, so that the precision of measuring results is kept higher.

Seed static sliding friction coefficient measuring system based on parallel four-rod mechanism

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Device for measuring static sliding friction coefficients of seeds on basis of tangent mechanism

Seed static sliding friction coefficient measuring system based on parallel four-rod mechanism