11results about How to "Promote structural adjustment" patented technology

The utility model discloses a color three-dimensional optical scanner which comprises a lower base, four corners of the upper surface of the lower base are fixedly provided with secondary seats through supporting columns, a servo motor is arranged between the lower base and the secondary seats, the secondary seats are fixedly provided with a cross-shaped outer cylinder, the interior of the cross-shaped outer cylinder is of a hollow-out cross-shaped structure, and the cross-shaped outer cylinder is of a hollow-out cross-shaped structure. A threaded screw rod is arranged in the center of the interior of the cross-shaped outer cylinder, and the bottom end of the threaded screw rod is fixedly connected with an output shaft of the servo motor, and the height of the optical scanner in the Y-axis direction can be freely adjusted through a threaded transmission structure. The working extension length of the optical scanner on the X axis can be freely adjusted through the movable inner insertion rod, through the cooperative use of the two structures, the comprehensive free linear adjustment work on the X axis, the Y axis and the two-dimensional plane biaxial direction of the optical scanner in the installation state can be completed, and the optical scanner can be suitable for different working environments and working requirements; the structure is convenient to adjust and high in adjusting flexibility.

The present invention belongs to the technical field of catalysts, and relates to a cerium-modified CuMgAl catalyst, and a preparation method and application thereof. The present invention provides a preparation method of a cerium-modified CuMgAl catalyst, which comprises: adding an alkaline solution to a precursor solution containing a copper source, a magnesium source and an aluminum source to adjust the pH to 8 to 9, and obtaining a CuMgAl catalyst after water bath heating, aging and calcining; mixing the CuMgAl catalyst with a solution containing a cerium source, and then aging, filtering, washing and drying the mixture through microwaves, and then calcining the mixture to obtain a cerium-modified CuMgAl catalyst. The catalyst provided by the present invention has more weakly alkaline sites, and when used to produce methanol from carbon dioxide, it has a higher CO 2 Conversion, methanol selectivity and methanol space-time yield.

The invention relates to the technical field of optical detection, in particular to optical detection equipment applied to fastener production and processing, which comprises a gate-type main frame, electric control type turnover frames are hinged to two sides of the inner bottom surface of the gate-type main frame, and electric control type material conveying belts are mounted in the electric control type turnover frames; and optical detection modules are fixedly mounted at the upper ends of the two sides of the gate-type main frame through cross beams. According to the optical detection equipment applied to fastener production and processing, electric control type overturning frames are hinged to the two sides of the inner bottom face of a door type main frame, electric control type conveying belts are installed in the electric control type overturning frames, and optical detection modules are fixedly installed at the upper ends of the two sides of the door type main frame through cross beams; therefore, optical scanning is carried out on the fasteners in the lower conveying process from multiple angles, and the scanning range of the fasteners is widened. And a plurality of built-in cross beams are arranged in the top assembly frame, and the upper ends of the built-in cross beams are provided with electric control type material turning plates, so that the fasteners on the surface can be turned over and adjusted, and the detection range is wider.

The utility model discloses a glue nozzle temperature on-line detection device, and relates to the technical field of adhesive sticker production, the glue nozzle temperature on-line detection device comprises a support frame member and a second closed structure member, the bottom of the support frame member is connected with a first joint member, and the second closed structure member is connected to one end of the support frame member far away from the first joint member. According to the glue nozzle temperature on-line detection device, the first joint component and the second joint component are arranged at the two ends of the supporting frame component respectively, a first electric joint and a second electric joint are each of a frameless torque motor structure, and by means of the arrangement of the structures, the whole device structure has the double-section structure movable adjustability; and meanwhile, a damping sleeve is used between the second closing component and the detection component, so that the detection component can realize axial rotation adjustment along the surface of the connecting pile, the structural flexibility is improved, and the device is convenient to use.

The invention discloses a pulse detonation combustion chamber outlet gas pressure pulsation attenuation device. The device comprises an air inlet pipe, a cylindrical pressure stabilizing cavity, conical flow guide structures, perforated spoilers, a pressure stabilizing cavity extension section and an exhaust pipe, the air inlet pipe and the exhaust pipe are arranged on the two sides of the pressure stabilizing cavity respectively, and the conical flow guide structures are arranged in the pressure stabilizing cavity in a bilateral symmetry mode; the perforated spoiler is perpendicular to the conical flow guide structure and extends upwards from the maximum section of the conical flow guide structure until the perforated spoiler is flush with the inner side wall face of the pressure stabilizing cavity and the inner side wall face of the pressure stabilizing cavity extending section, a plurality of through holes are formed in the perforated spoiler to form a gas flowing channel, and the perforated spoiler extends outwards to be connected with the pressure stabilizing cavity extending section through a flange. The advantages of the pressure stabilizing cavity, the flow guide structure and the perforated spoiler are organically fused, the pressure pulsation amplitude of gas at an outlet of the pulse detonation combustion chamber can be effectively reduced, the stability and uniformity of gas at an inlet of a turbine are improved, and then the utilization efficiency of the turbine for unsteady-state energy of the gas is improved.

The utility model discloses a double-inlet double-spiral type efficient water inlet section, which relates to the technical field of multi-stage pumps, and comprises a multi-stage pump set and a water inlet section set, the bottom of the multi-stage pump set is provided with a fixed seat, the top of the multi-stage pump set is provided with a filter bin set, and the filter bin set is internally provided with a filter assembly. The water inlet section group is connected to the top of the filtering bin group in a bilateral symmetry manner. According to the double-inlet double-spiral type efficient water inlet section, through the use of the water inlet section sets, a multi-stage pump set can rapidly inject water through the water inlet section sets which are symmetrically arranged left and right, the water inlet efficiency is improved through the structure of an inner spiral pipe, and the water inlet efficiency is improved through a filtering assembly installed in a filtering bin set and the activity characteristic of the structure of the filtering assembly; according to the multi-stage pump set, water injected into the multi-stage pump set can be effectively subjected to impurity removal and filtration to a large extent, abrasion of impurities in the water to an inner core part structure of the multi-stage pump body is avoided, therefore, effective structure protection is conducted, and the maintenance cost of the multi-stage pump body is reduced.

The invention belongs to the technical field of catalysts, and relates to a cerium-modified CuMgAl catalyst as well as a preparation method and application thereof. The invention provides a preparation method of a cerium-modified CuMgAl catalyst, which comprises the following steps: adding an alkaline solution into a precursor solution containing a copper source, a magnesium source and an aluminum source to adjust the pH value to 8-9, heating in a water bath, aging and calcining to obtain the CuMgAl catalyst, and mixing the CuMgAl catalyst with a solution containing a cerium source, carrying out microwave aging, filtering, washing and drying, and calcining to obtain the cerium-modified CuMgAl catalyst. The catalyst provided by the invention has more alkalescence sites, and has higher CO2 conversion rate, methanol selectivity and methanol space-time yield when being used for preparing methanol from carbon dioxide.

The utility model discloses a construction engineering construction detection device, which relates to the technical field of construction detection and comprises a handheld unit, a mounting unit fixedly connected to the top of the handheld unit, a detection plate, a detection unit and a vertical unit. The detection unit comprises a connecting block fixedly connected to one side of the detection plate and a fan-shaped block fixedly connected to one end of the connecting block and used for detecting the inclination angle of the building; the vertical unit comprises a gravity block arranged at the bottom of the handheld unit and two fixing screws which are fixedly connected into a groove in the bottom of the handheld unit and used for fixing. According to the construction engineering construction detection device, through the arrangement of the detection unit and the vertical unit, the structure is more convenient to adjust, the building gradient detection is more visual and clear, the building gradient detection efficiency and quality are improved, whether a handheld vertical plate is vertical or not can be visually displayed, and the perpendicularity of a building wall surface can be visually observed; and the connecting wire can be conveniently stored and fixed and can be conveniently used next time.

The utility model discloses a microphone mounting device, which comprises a support, a mounting base and a microphone, the first supporting rod is horizontally arranged and is mounted on the support in a running fit manner; the second supporting rod is arranged on the first supporting rod in a mode of being parallel to the first supporting rod and being aligned with the tail end of the first supporting rod; the first microphone clamp is arranged at the tail end of the first supporting rod; the second microphone clamp is arranged at the tail end of the second supporting rod; according to the microphone installation device provided by the utility model, the first microphone clamp and the second microphone clamp can be ensured to be arranged on the same vertical line or the same horizontal line by rotating and adjusting the position of the horizontally arranged first support rod; meanwhile, the number of microphone supports on a rack site can be effectively reduced, arrangement is facilitated, and the space disorder and potential safety hazards on the rack site are reduced to a certain extent; certainly, the structure is convenient to adjust, the two microphone clamps are located on the same support, the positions of the two microphone clamps can be kept aligned all the time, and the position precision is guaranteed.

The invention belongs to the technical field of super-large-scale integrated circuit and semiconductor manufacturing, and particularly relates to a pressure sensing probe system which integrates a groove type photoelectric sensor, a probe and a digital signal module through rigid-flex board design, and stable application of two-wire method and four-wire method flying probe testing is achieved. The system has flexible probe configuration, the number and layout of the probes can be selected according to test requirements, meanwhile, unified test software and process are supported, and test operation is simplified. Through the innovative test structure design, the problem that a two-line method test structure and a four-line method test structure are incompatible in the prior art is solved, the system complexity is reduced, the test precision and efficiency are improved, and the application scene is widened.

The present invention relates to an ethanolamine production process, and in particular to an ethanolamine multi-stage tubular reaction energy-saving production system and production process. In the present invention, a booster pump is arranged after a membrane separation component, and the reaction material pressure and the booster pump cooperate to provide the pressure difference required for membrane separation. After each stage of reaction, most of the water and liquid ammonia are separated from the ethanolamine (monoethanolamine, diethanolamine, triethanolamine) in time, so that the water and ammonia containing less ethanolamine are pressurized by a pump and participate in the next stage of reaction, thereby reducing the reaction chance of monoethanolamine, diethanolamine, triethanolamine and ethylene oxide, and reducing the reaction impurities.