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6results about How to "Change range" patented technology

Weighing sensor device for electronic balance

ActiveCN222336529Uchange rangechange precisionWeighing apparatus detailsLoad cellMechanical engineering
The utility model discloses a weighing sensor device used for an electronic balance, comprising a pedestal, an upper splayed frame reed assembly, a lower splayed frame reed assembly, a bearing support, a magnetic steel coil, a photoelectric assembly and a transmission protection sheet, the upper splayed frame reed assembly and the lower splayed frame reed assembly are horizontally arranged on the upper side and the lower side of the pedestal in a mirror image manner; the photoelectric assembly is arranged at one side end of the base, the lever assembly is arranged on the weighing support, the lever assembly comprises a lever, a sling reed and a fulcrum reed, the lever is connected with the weighing support through the sling reed, and the lever is further connected with the base through the fulcrum reed. The beneficial effects of the utility model are that through arranging the lever assembly and adjusting the position of the sling reed, the stress proportion of the lever is adjusted, and the measuring range and the precision of the sensor device are further changed, so that the electronic balance equipped with the sensor device can adapt to precision measurement with various requirements, and the application range of the electronic balance is improved.
Owner:SHANGHAI JINGKE TIANMEI SCI INSTR CO LTD

A device for correcting the slope of a foundation pit excavation

The application discloses a kind of building site foundation pit excavation slope correction device in the technical field of foundation pit excavation slope correction, including scraper, the bottom of scraper is provided with chamfer, the middle position of scraper top is equipped with driving element, eccentric vibration mechanism is installed in driving element, driving element is vertically slidably connected with driving frame, the vertical spring of driving element is fixedly connected with driving element at both ends, driving frame is horizontally slidably connected with rack, the horizontal spring of driving frame is fixedly connected with rack at both sides, angle adjusting mechanism is installed on the top of rack, sliding slot is formed in the both sides of rack, sliding slot is horizontally slidably connected with slide, slide is vertically slidably connected with vertical rod, vertical rod bottom is threadedly connected with the feeding frame slidably connected with scraper, reset spring is fixedly connected between feeding frame and scraper;In the application, scraper is scraped and corrected to slope surface, and soil is recycled, and when pit and depression are encountered, it can be filled and compacted, to reduce the difficulty of slope construction.
Owner:HEFEI CEMENT RESEARCH AND DESIGN INSTITUTE CO LTD

multimeter, multimeter (mm)

ActiveCN224609179UAvoid repeated unplugging and pluggingchange detectability
The utility model belongs to the technical field of measuring tool, disclose a kind of multimeter, including multimeter body, shell, input terminal and control part. Base is provided in shell, a plurality of second pole pieces are provided on base, and a plurality of second pole pieces are one-to-one corresponding with a plurality of input terminals of multimeter body. Input terminal is used to be connected with meter pen. Control part is movably arranged on shell, to selectively electrically connect one of a plurality of second pole pieces with input terminal. The utility model is provided with base on shell, input terminal and a plurality of second pole pieces are provided on base, and a plurality of second pole pieces correspond to the different input terminals of multimeter. Control part is movably arranged on shell and selectively connected with one of a plurality of second pole pieces, so that different second pole pieces are connected by the mode of moving or rotating control part, the change of detection electric parameter or range is realized, repeated plugging meter pen is avoided, and test efficiency is improved and use experience is improved.
Owner:NINGBO DELI TOOLS CO LTD

New energy greenhouse with multiple power supply modes

The utility model belongs to the technical field of new energy greenhouses, and particularly discloses a new energy greenhouse with multiple power supply modes, which comprises a greenhouse main body and a solar panel, a mounting groove is arranged at the front end of the greenhouse main body, glass is arranged on the inner side of the mounting groove, a heater is arranged on the inner wall of the inner side of the greenhouse main body, and the solar panel is arranged in the mounting groove. A regulation and control mechanism is arranged at one end of the greenhouse body, a control mechanism is arranged at the lower end of the regulation and control mechanism, a shielding mechanism is arranged on the upper side, close to the mounting groove, of the front end of the greenhouse body, and the regulation and control mechanism comprises a fixing frame fixedly arranged at one end of the greenhouse body. According to the utility model, through the cooperation among the regulation and control mechanism, the control mechanism and the shielding mechanism, the purpose that sunlight is fully utilized to heat the interior of the greenhouse main body can be achieved, and the whole device is relatively simple to operate.
Owner:ANQING NORMAL UNIV

Semi-automatic impurity removing machine

ActiveCN224181296UEfficient reciprocating motionreciprocating motion changesSievingScreeningReduction driveReciprocating motion
The utility model relates to a semi-automatic impurity removing machine. A driving system formed by combining the motor and the speed reducer is adopted, power can be stably and continuously provided, it is ensured that the screen mechanism conducts efficient reciprocating motion, and therefore the material screening speed is increased, and the overall productivity is improved. The design of the fisheye connector allows the reciprocating motion amplitude and frequency of the screen mechanism to be changed by adjusting the distance between the connecting screw rod and the nut, so that the screening requirements of different materials are met, the flexibility and applicability of the equipment are improved, noise and friction during reciprocating motion of the screen mechanism are effectively reduced through the arrangement of the rubber rolling wheels, and the service life of the equipment is prolonged. And noise pollution and mechanical vibration damage to operators are reduced.
Owner:SUZHOU WUJIANG GRAIN RESERVE MANAGEMENT CO LTD

Cement strength breaking testing machine

The utility model discloses a cement strength anti -break testing machine relates to cement performance test field, including equipment main part, equipment main part top one side is provided with the pressure -bending detection mechanism, is provided with the pressurizing mechanism in equipment main part, and the pressurizing mechanism includes elevating support, and the elevating support is rotationally connected with worm wheel, and the elevating support front side is fixed with second motor, and second motor output is fixed with worm, and worm is engaged with worm wheel, and the middle screw thread of worm wheel is connected with elevating stud, and the bottom hinged of equipment main part has pressurizing lever, and two connecting sliding blocks are slidably connected on pressurizing lever, and connecting sliding block is hinged with elevating stud, and another connecting sliding block is connected with pressure -bending detection mechanism. Advantageous effects lie in: second motor drives elevating stud to go up and down through worm and worm wheel, and elevating stud drives force transmission vertical pole to go up through pressurizing lever, and can pressurize cement test block like this, utilizes the big transmission ratio and self -locking characteristic of worm and worm wheel, can fine control pressure and the stability of pressure.
Owner:HUNAN HUDIAN ELECTRIC POWER TECHNOLOGY CO LTD