52results about How to "Adjustable force" patented technology

The invention relates to an easily-carried bedstead. The easily-carried bedstead comprises a bedstead frame body I, a bedstead frame body II and a framework connecting component, wherein the bedsteadframe body I and the bedstead frame body II are rotationally connected to the framework connecting component; the bedstead frame body I comprises a first upper bracket, a first lower bracket and a plurality of bracket connecting components, the upper ends of the bracket connecting components are hinged to the first upper bracket, and the lower ends of the bracket connecting components are hinged to the first lower bracket; bedstead frame body II comprises a second upper bracket, a second lower bracket and a plurality of bracket connecting components, the upper ends of the bracket connecting components are hinged to the second upper bracket, and the lower ends of the bracket connecting components are hinged to the second lower bracket; the inner end of the first upper bracket and the innerend of the first lower bracket are hinged to the framework connecting component, and the outer end of the first upper bracket and the outer end of the first lower bracket are flexibly connected through elastic belts; and the inner end of the second upper bracket and the inner end of the second lower bracket are hinged to the framework connecting component, and the outer end of the second upper bracket and the outer end of the second lower bracket are flexibly connected through elastic belts.

The invention discloses a method for separating isomer mixtures of C8 aromatic hydrocarbons. An anionic pillared microporous material with a large pore size is used as an adsorbent, and the mixture of C8 aromatic hydrocarbon isomers is contacted with the adsorbent to realize carbon Selective adsorption and separation of octaaromatic isomer mixtures; the anionic pillared microporous material is a porous material formed by a metal ion M, an inorganic anion A and an organic ligand L through a coordination bond, and the general formula is [MAL 2 ] n , wherein n>4 and is an integer; the metal ion M is Fe 2+ 、Co 2+ 、Ni 2+ or Cu 2+ ; The inorganic anion A is SiF 6 2‑ , NbOF 5 2‑ , TaF 7 2‑ , ZrF 6 2‑ 、TiF 6 2‑ 、GeF 6 2‑ , SO 3 CF 3 ‑ or NbF 6 ‑ ; The organic ligand L is selected from the following structures:

The invention relates to flat vibrator discharge equipment, which belongs to the technical field of mechanical equipment, and includes a frame and a material box assembly arranged on it. The material box assembly includes a material box body, the upper side of the material box body has a groove, and one end of the groove is A material tray is provided, and the material tray has several troughs matching the vibrator; the other end of the groove is provided with a cover plate, and the cover plate and one end of the corresponding groove form a material bin; the lower side of the material box body is provided with a rotating shaft, and the material box The body is rotationally connected with the frame through a rotating shaft; one side of the tray is provided with a material brush that can reciprocate along the upper side of the tray, and the brush is connected with a brush driving device; it also includes a swing mechanism that enables the box body to rotate around the shaft. And a material screening mechanism that enables the material box assembly to reciprocate axially along the rotating shaft. The invention realizes the automatic discharge of the flat vibrator and improves the discharge speed of the flat vibrator.