12results about How to "Reduce preparation" patented technology

The utility model relates to the technical field of monitoring or testing of wind engines, such as diagnosis, and discloses a fan inertia variable simulation experiment device which comprises a test bed body, a fan is arranged on the upper side of the test bed body, a supporting rod is fixedly connected to the lower side of the outer surface of the fan, and a fixing block is fixedly connected to the lower end of the supporting rod. A limiting groove is formed in the upper side of the test bed body and is in a convex shape, the supporting rod extends into the limiting groove, the fixing block is matched with the limiting groove, the left wall of the limiting groove extends out of the left side of the test bed body, an electric control table is fixedly connected to the rear side of the test bed body, and a limiting mechanism is arranged on the limiting groove. The limiting mechanism can limit the fixing block, the air blower mechanism is arranged on the test bed body, in this way, the fan can be connected with the test bed body without bolts, then the mounting and dismounting efficiency of the fan is improved, and the preparation and ending time of an experiment is shortened.

The utility model discloses a portable constant-temperature constant-pressure invasive arterial pressure monitoring device for preloading heparin saline water. The portable constant-temperature constant-pressure invasive arterial pressure monitoring device comprises a device main body and a disposable sensor consumable for preloading the heparin saline water. The device body is small in size, can be hung on an infusion support for use, and is good in portability. After the improved sensor consumable is connected with an artery indwelling catheter of a patient, an artery pulse signal of the patient can be converted into pressure data to be displayed on a main body screen. A pressure control device and a temperature control device are further arranged in the main body, and a nurse can control the pressure control device and the temperature control device through the touch display screen, so that the pressure and the temperature of liquid in the saline bag are controlled, and constant temperature and constant pressure are kept. A nurse does not need to repeatedly adjust pressure and temperature, and a patient does not feel cold and uncomfortable when flushing the pipeline. According to the device, heparin, normal saline and a traditional sensor are integrally designed, so that the time consumed for nurse article preparation and operation is shortened, the labor cost is saved, and meanwhile, the time is bought for rescuing and transferring a patient.

The invention discloses a combined flexible dredging system and a construction method thereof, and belongs to the technical field of underwater foundation bed construction. Comprising a traction platform, a movable platform floating on the water surface, a lifting mechanism installed on the movable platform, a desilting device connected with the lifting mechanism and a traction device, and the lifting mechanism controls the desilting device to move up and down; the traction device comprises two traction mechanisms, each traction mechanism comprises a flexible connecting piece, the two traction mechanisms are arranged on the traction platform and located on the left side and the right side of the movable platform respectively, the two flexible connecting pieces are connected with the left end and the right end of the movable platform respectively, and the flexible connecting pieces can stretch out and draw back in the left-right direction. The problems that in the existing desilting technology, a desilting device is connected with a desilting ship, due to the fact that the size of the desilting ship is large and wide, when the desilting ship is subjected to adverse weather conditions such as stormy waves, the desilting ship is prone to heeling, a large height difference is generated between one side of the desilting ship and the other side of the desilting ship, and the desilting effect is poor are solved. The efficiency and the stability of the dredging operation are further influenced.

The utility model relates to the technical field of reinforcing formworks, in particular to a portable structural corner column reinforcing formwork which comprises a corner formwork mechanism, a corner connecting mechanism, a corner connecting mechanism and a connecting mechanism, and the corner formwork mechanism is arranged at the internal corner position of a wall and fixedly connected with the wall; the reinforcing mechanism comprises a reinforcing lead screw and supporting force rods, the reinforcing lead screw is fixedly connected with the corner formwork mechanism, a plurality of supporting force rods are arranged on the peripheral side of the reinforcing lead screw, and the distances between the supporting force rods and the reinforcing lead screw are equal; the fastening mechanism is located on the sides, away from the corner formwork mechanism, of the reinforcing lead screw and the supporting force rods, and the fastening mechanism is connected with the reinforcing lead screw and the supporting force rods in a locked mode.

The present invention discloses a device and method for preparing carbon-supported platinum nanocatalysts by solid-phase mixing. The device comprises a precursor solution tank, a solution mixing device, a mixed solution tank, and a material tank which are connected in sequence by pipelines and pumps. The solution mixing device is provided with a spiral pipeline, and the material tank is placed inside the solid material mixing device. The method of use is as follows: the precursor solution is fully mixed through the spiral pipeline and ultrasonic treatment, a carbon carrier is added to the precursor mixed solution under stirring, or a precursor mixed solution is added to the carbon carrier for ultrasonic pretreatment, and after stirring and mixing, the mixture is dried, reduced, sintered, cleaned, and dried again. Compared with the prior art, the operation process of the present invention is simple, controllable, and has a short cycle. It does not require the addition of organic surfactants and complexing agents. It can be filtered and cleaned with pure water, and a large amount of polluted waste liquid will not be generated. It can realize batch and continuous production of high-loaded PtC catalysts, and is suitable for large-scale preparation of PtC catalysts for commercial applications.

The present invention discloses a filling slurry preparation system and a preparation method thereof, wherein the preparation system comprises a thickener, an emergency tank, a stirring system, a filling pump, and a cement conveying and metering device installed at a discharge port of a cement silo, the thickener and the filling pump are both arranged on the ground, a stepped pit is dug under the ground, the stirring system is composed of a high-speed flexible mixer, the high-speed flexible mixer and the emergency tank are arranged in the pit from top to bottom, a hopper and / or a thickening slurry pump is also arranged in the pit between the high-speed flexible mixer and the emergency tank, the sand discharge port of the thickener and the delivery port of the cement conveying and metering device are both connected to the feed port of the high-speed flexible mixer, the hopper is connected between the discharge port of the high-speed flexible mixer and the filling borehole of the underground filling pipe network, and the thickening slurry pump is connected between the discharge port of the high-speed flexible mixer and the pump hopper of the filling pump. The present invention has fewer slurry preparation links, reduces the investment in plant construction, and has flexible equipment layout.

The utility model relates to the field of precision casting, and specifically discloses a multifunctional shell making tool for large gas turbine blades, which comprises a force-bearing flat plate, the force-bearing flat plate is provided with a sliding groove, a sliding member is slidably connected in the sliding groove, a wax mold fixing member is detachably connected to the sliding member, a mechanical hand connecting member is fixedly connected to the force-bearing flat plate, and overturning connecting members are fixedly connected to the two sides of the force-bearing flat plate; the utility model can simultaneously make shells for blades with different numbers of pieces on one shell making tool, improves production efficiency, reduces the shell making tool design and manufacturing links for different types of blades, reduces the research and production costs of the tool, simultaneously reduces the storage and management costs of the tool, realizes shell making for different types of blades, expands the application range of the tool, effectively guarantees the stability of the shell during the shell making process, significantly reduces the size deformation of the castings, ensures that the product size precision meets high standard requirements, and improves product quality.

The utility model relates to engineering equipment technical field discloses a kind of electric power pipe well quick opening well lid of convenient maintenance, including import frame, the inside installation of import frame has well lid main body, the top of well lid main body is equipped with square hole, the inside sliding connection of square hole has crowbar, the inside of crowbar is equipped with special-shaped groove, the both sides of special-shaped groove are slidingly connected with special-shaped block, the both sides of square hole are equipped with direction groove, the inside sliding connection of special-shaped block one end and direction groove, the side fixed connection of the top of crowbar has cover plate, the top of cover plate is equipped with pull groove. This convenient maintenance electric power pipe well quick opening well lid can make operating personnel not need to carry additional tool, just need to be completed opening to well lid main body itself simple operation, reduce the trouble of tool preparation and carrying, make well lid main body opening work more convenient and efficient.

The invention discloses a micro-droplet jetting additive manufacturing device based on cold crucible suspension smelting, which adopts a water-cooled copper crucible to replace a traditional common oxide crucible, so that the smelting temperature of a micro-droplet jetting system is increased, the melting of a high-melting-point material is facilitated, and the production efficiency of the micro-droplet jetting additive manufacturing device is improved. And the material application range of the micro-droplet spraying additive manufacturing technology is expanded, and micro-droplet spraying additive manufacturing is allowed to be conducted through high-melting-point and high-activity materials. The electromagnetic suspension system formed by the high-frequency induction coil and the water-cooled copper crucible is adopted, so that molten metal can be suspended inside the water-cooled copper crucible, direct contact between alloy melt and the wall of the crucible is avoided, the possibility that the alloy reacts with a crucible material in the smelting process is reduced, and the purity and performance of the alloy are improved. In addition, by means of electromagnetic stirring and heat convection in the crucible, alloy elements can be mixed more uniformly, and the forming quality and performance of the alloy are improved.

The utility model provides a folding handle structure and apply its comb grass machine, connect in casing, include: handle frame, handle frame includes a plurality of connecting frame, a plurality of connecting frame are connected in turn head to tail, locking unit, including the installation shaft of being threaded between two adjacent connecting frames and being located the locking piece of installation shaft, locking piece abuts between two adjacent connecting frames, adjusting unit, locate casing and be connected with the first connecting frame.In the action of locking unit, locking connection between two adjacent connecting frames can be realized, when locking unit removes the fixing of two adjacent connecting frames, two adjacent connecting frames can be folded, reduce the overall equipment occupied space, convenient transportation, deposit, when each connecting frame is unfolded, can fix the limiting of two adjacent connecting frames through locking piece, in order to work use, save the complicated process that traditional detachable handle needs to dismantle gradually, greatly shorten the preparation and storage time before and after the use of comb grass machine.

The invention provides an aircraft flight data loading method and unloading method based on 5G wireless transmission, and the loading method comprises the following steps: completing the route planning through a ground task computer, and transmitting the data to a data receiving and transmitting server; the data transceiving server transmits the data to the 5G base station in the form of radio frequency signals; when the aircraft is in a takeoff taxiing stage, the airborne 5G wireless transmission equipment is powered on, and the 5G base station sends an electromagnetic wave signal to the aircraft; and the airborne equipment converts the received electromagnetic waves and completes loading operation. Compared with the prior art, at least one technical scheme adopted by the invention at least has the beneficial effects of shortening the ground preparation time and the later maintenance time, unifying flight data loading / unloading interfaces, reducing the number of ground support equipment and the workload of ground support personnel, and improving the working efficiency of ground maintenance.

The invention discloses cold spraying powder for corrosion prevention and repair of the surface of a steel structure as well as a preparation method and application of the cold spraying powder. The cold spraying powder is prepared from the following components in percentage by weight: 65 to 75 percent of AlZn alloy, 15 to 20 percent of SiC and 10 to 15 percent of FeCoCrNiMo high-entropy alloy. The cold spraying powder is good in protection effect, small in environmental influence, wide in application range, simple in preparation process and convenient to implement, and can be used for on-site repair of power equipment.