25results about How to "Reduce processing requirements" patented technology

This utility model relates to the field of medical equipment technology, and in particular to an animal vaccine injection booster device, comprising a first air chamber, a second air chamber, a piston assembly, and a gun body; the gun body has a first air chamber and a second air chamber, the first air chamber having a gas source inlet, a gas outlet, and a gas delivery outlet, the gas delivery outlet communicating with the second air chamber, and a control valve also being provided in the first air chamber; when the trigger of the gun body presses the control valve, the control valve blocks the connection between the gas delivery outlet and the gas outlet; when the trigger of the gun body is released, the control valve blocks the connection between the gas delivery outlet and the gas source inlet; the second air chamber has a piston assembly, the piston assembly including a piston and a firing pin, the firing pin being disposed on the piston, and an elastic element being provided between the piston and the firing pin output end of the second air chamber; the trigger is disposed on the grip part of the gun body, the grip part having a grip groove on the side near the trigger, and a thumb groove on the top side of the grip part away from the trigger. This utility model is easy to operate and has a good grip feel.

Disclosed is a method for synthesizing aluminum nitride by microgravity combustion, which uses Mg4Al3 or Mg 17 Al 12 powder as raw material, and performs combustion in a microgravity and nitrogen atmosphere, and then purifies the combustion product using hydrochloric acid to obtain AlN powder. The method is applicable to both small particles (1 μm in diameter) and large particles (500 μm in diameter), and has a short synthesis time, high purity of the obtained aluminum nitride, and the heat generated by combustion can be used to maintain the temperature of the synthesis chamber, thereby reducing energy consumption.

The invention relates to a radiation meter dense feed source array directional diagram optimization method based on a generative adversarial network. The method comprises the following steps: constructing a training data set, a condition vector containing a target directional diagram performance index and a corresponding optimal amplitude-phase weight vector; designing a conditional generative adversarial network model; constructing a physical constraint loss function by embedding a differentiable electromagnetic calculation module; loading the constructed training data set, and training a complete generative adversarial network model based on a loss function embedded with a differentiable electromagnetic calculation module; and when the system antenna pattern obtained according to the amplitude-phase adjustment parameters output by the generative adversarial network model meets the antenna pattern evaluation index, completing dense feed source array antenna pattern optimization. According to the method, the target weight is dynamically adjusted and optimized on orbit, so that a single model can adapt to beam forming requirements in different observation scenes, and flexible switching of multiple task modes such as high-resolution detection and wide-range general survey is realized.

The utility model discloses a kind of floating rack steering axle structures, belong to fork truck steering axle field. Including: slewing support, cylinder barrel assembly, floating rack assembly and support pinion shaft. Cylinder barrel assembly includes left cylinder barrel and right cylinder barrel, left cylinder barrel open end is fixedly inserted in the inside of slewing support left side interface, right cylinder barrel open end is fixedly inserted in the inside of slewing support right side interface;Floating rack assembly includes rack body, left piston and right piston, left piston is slidably embedded in left cylinder barrel, left piston is tightly attached to rack body left end, right piston is slidably embedded in right cylinder barrel, right piston is tightly attached to rack body right end;The top gear ring of support pinion shaft is engaged with the transmission gear portion opened in the middle part of rack body. The utility model reduces cylinder barrel machining precision requirement, assembly efficiency is improved by more than 20%, compresses slewing support axial space 15%-20%, oil seal life is extended to 2 times of traditional structure.

This invention relates to the field of advanced semiconductor packaging and chiplet integration technology, specifically disclosing a heterogeneous die system-on-a-chip and its fabrication method. The method includes: S1: providing an adapter board, the top surface of which is provided with a first I / O pad, and forming a first metal interconnect region above the first I / O pad, or using the first I / O pad as the first metal interconnect region; S2: providing a chiplet, the top surface of which is provided with a second I / O pad, and fabricating a second metal interconnect region on the top surface of the chiplet. This invention achieves self-aligned interconnection of the metal interconnect regions between the chiplet and the adapter board by combining an open area on the top surface of the adapter board with selective deposition, eliminating the need for high-precision photolithography alignment and significantly reducing process complexity. Simultaneously, this method supports multi-layer PAD expansion, multi-array parallel interconnection, wafer-level batch integration, and various layout methods, achieving high-density, low-latency, and high-reliability chiplet interconnection.

The application provides a sodium ion battery positive electrode material and a preparation method and application thereof, the sodium ion battery positive electrode material comprises an active material and a hydrophobic coating layer, and a coating source of the hydrophobic coating layer comprises a siloxane-based compound; the siloxane-based compound is used as the coating source of the hydrophobic coating layer, a compound containing -Si-O-Na is generated on the surface of the active material, the hydrophobic property and the environmental stability can be ensured at the same time, and the sodium ion battery obtained has high ion conduction capacity, so that the sodium ion battery has good cycle performance; meanwhile, the application is coated by using a molecular self-assembly method, the thickness does not change due to the change of the morphology of the material, the process requirement is low, and the cost is low.

The invention discloses a double-cylinder external rope controllable telescopic six-section cargo boom system, which belongs to the technical field of cranes, and comprises a basic boom, a second-section boom, a third-section boom, a fourth-section boom, a fifth-section boom, a sixth-section boom, a first telescopic oil cylinder, a second telescopic oil cylinder and a control rope group, a basic arm, a second-section arm, a third-section arm, a fourth-section arm, a fifth-section arm and a sixth-section arm are sequentially connected in a nested mode through nylon sliding blocks from outside to inside, the head of a piston rod of a first telescopic oil cylinder is hinged to the arm tail of the basic arm, and a cylinder barrel of the first telescopic oil cylinder is hinged to the arm tail of the second-section arm. The head of a piston rod of the second telescopic oil cylinder is hinged to a cylinder barrel of the first telescopic oil cylinder, and the cylinder barrel is hinged to the arm tail of the third-section arm. By arranging the extension arm pulley outside the suspension arm, sudden change of the section of the suspension arm is avoided, so that stress of each section arm is uniformly distributed, later inspection and early warning of a rope are facilitated, a two-stage oil cylinder is adopted, and the suspension arm has the advantages of simple structure, low processing and manufacturing requirements and low cost.

The invention discloses a moving door mechanism and an air conditioner. The moving door mechanism comprises an air guide frame, a door body and a supporting assembly. The door body is provided with a rotating shaft, and the rotating shaft is configured to be driven by a motor to link the door body to rotate relative to the air guide frame so as to enable the door body to form an open state or a closed state; the supporting assembly comprises a first supporting structure and a second supporting structure, and the first supporting structure and the second supporting structure are sequentially arranged from inside to outside, are arranged between the air guide frame and the door body, are used for jointly supporting the door body and can synchronously move along with the door body. The technical problem that in the prior art, a door body is prone to being blocked or stuck is solved.

This invention discloses an electron beam brazing repair method for replacing blade cover plates, comprising the following steps: placing a new cover plate between two oppositely arranged blade top walls, positioning the new cover plate on two oppositely arranged shoulder wall protrusions and an airflow baffle between the two shoulder wall protrusions, with the receiving groove on the new cover plate corresponding to the airflow baffle on the blade; inserting a first adhesive brazing filler metal into the receiving groove, and covering the first adhesive brazing filler metal with a first amorphous thin strip brazing filler metal; arranging a second adhesive brazing filler metal at the corner where the new cover plate connects to the shoulder wall protrusion, and covering the second adhesive brazing filler metal with a second amorphous thin strip brazing filler metal; heating and melting the first adhesive brazing filler metal and the first amorphous thin strip brazing filler metal to weld the new cover plate to the airflow baffle, and heating and melting the second adhesive brazing filler metal and the second amorphous thin strip brazing filler metal to weld the new cover plate to the shoulder wall protrusion. The amount of brazing filler metal can be precisely controlled, brazing filler metal is less prone to splashing, and the requirements for pre-welding treatment of the surface of the workpiece are not high.

The utility model discloses an evaporation and condensation heat dissipation system based on a liquid medium. The condensing plate and the low-boiling-point flame-retardant liquid medicine are arranged in the closed shell; the plurality of battery cell modules are uniformly distributed at the inner bottom of the closed shell, and gaps are formed among the plurality of battery cell modules; the condensation plate is fixed at the inner top of the closed shell and covers the positions of the plurality of battery cell modules; the inner bottom of the closed shell is filled with the low-boiling-point flame-retardant liquid medicine, and the low-boiling-point flame-retardant liquid medicine intrudes into gaps among the battery cell modules; the low-boiling-point flame-retardant liquid medicine is vaporized and ascends when the battery cell modules are heated, and is evaporated and condensed to the lower surface of the condensing plate to form a plurality of naturally falling condensed water drops to dissipate heat of the battery cell modules; the thermal management system of the power battery is improved, the process requirements of the system are reduced, and the cost is reduced; based on the characteristics of the low-boiling-point flame-retardant liquid medicine, accurate and uniform control of the battery temperature is realized, and generation of open fire can be inhibited while the heat conduction efficiency is improved.

The application discloses a growth method of a high-carrier-concentration heavily doped gallium oxide epitaxial film, and mainly solves the problems of high cost, high defect density and low carrier concentration of a currently used heavily doped epitaxial film substrate. The implementation scheme is as follows: a sapphire substrate is selected and cleaned; the cleaned substrate is put into a reaction cavity of a MOCVD (Metal Organic Chemical Vapor Deposition) for pretreatment; two layers of buffer layers with different mechanisms are sequentially grown on the substrate by changing the temperature, pressure and ratio of reaction sources of the reaction chamber; a Ge heavily doped beta-Ga2O3 film with an epitaxial concentration of 10 19 cm ‑3 -10 20 cm ‑3 is epitaxially prepared on the second buffer layer by using a pulse MOCVD method with GeH4 as a dopant and a catalyst, and the epitaxial film is annealed, so that the preparation of the epitaxial film is completed. The defect density of the epitaxial film and the substrate use cost are reduced, and the carrier concentration is improved, so that the epitaxial film can be used for the preparation of power devices and switching devices.

The utility model provides a valve and a vacuum system. The valve comprises a valve body, a valve plate and a first heater. A cavity is formed in the valve body; the valve body is provided with a first valve port communicating the cavity with the outside of the valve body. The valve plate is movably arranged in the cavity and is configured to movably open or close the first valve port; the first heater is arranged on the outer surface of the valve body and is configured to transfer heat to the valve body through contact with the outer surface of the valve body. According to the valve, the first heater is arranged outside the valve body of the valve to heat the whole valve, and the uniformity of the whole temperature of the valve can be improved. Therefore, the probability of occurrence of phenomena such as condensation and accumulation is greatly reduced, and finally, related process products can better meet the process requirements. And particularly, the semiconductor product can better meet the process requirements.

This invention relates to a method for preparing a flotation collector, a flotation collector, and a flotation method for oxidized minerals, belonging to the field of mineral processing technology. It solves the problems of low flotation recovery rates, high temperature dependence, high energy consumption, and environmental pollution associated with existing collectors for oxidized minerals. The flotation collector prepared by the method described above has high polarity, significantly enhancing the adsorption between it and functional groups on the mineral surface, thus improving the mineral flotation recovery rate. Under low-temperature conditions, it exhibits good water solubility and dispersibility, contributing to improved mineral recovery rates at low temperatures. Combined with the appropriate carbon chain length of the collector molecule, flotation can be achieved over a wide flotation temperature range, reducing the impact of temperature on mineral flotation and achieving energy saving and carbon reduction in the flotation method. Furthermore, the collector molecule contains two carboxyl groups, readily chelating with metal cations to achieve selective collection of metal ions, making it suitable for flotation under various water quality conditions.

The mechanical arm feeding device comprises a moving frame, the moving frame is provided with a clamping jaw assembly and a position adjusting assembly, the clamping jaw assembly comprises two first clamping jaws which are oppositely arranged, the first clamping jaws are provided with air bags, the air bags are fixedly provided with second clamping jaws, and the position adjusting assembly comprises a first barrel and a second barrel. The second barrel is inserted into the first barrel, a spiral groove is formed in the inner wall of the first barrel, a protruding part is arranged on the outer wall of the second barrel and inserted into the spiral groove, a plurality of rotating plates are installed on the side, close to the clamping jaw assembly, of the second barrel, and a cushion layer is installed on the side, close to the axis of the second barrel, of each rotating plate. The position adjusting assembly further comprises a baffle, a first spring and a second spring, the baffle is fixedly connected with the first barrel, and the first spring is located in the second barrel. According to the mechanical arm feeding device and feeding method of the machine tool, a workpiece spline can be conveniently aligned and inserted into a machining position of the machine tool.

This invention relates to the field of iron-based catalyst preparation technology, and discloses a method for preparing an iron-based catalyst without hydrogen participation and its application. The preparation method includes the following steps: acid treatment of a carbon-based material, followed by impregnation in a sodium hydroxide solution to obtain a pretreated carbon-based material; adding the pretreated carbon-based material to a ferric nitrate solution for precipitation reaction; separating and washing the precipitate, and then calcining it to obtain Na-Fe. 2 O 3 / C composite material; Na-Fe 2 O 3 The / C composite material was purged with nitrogen to obtain Na-Fe / C; the Na-Fe / C was then subjected to a hydrothermal reaction to obtain the iron-based catalyst Na-Fe. 3 O 4 / Fe 5 C 2 / Fe. The method of this invention does not use hydrogen in the entire preparation process, avoiding the safety risks caused by the flammability and explosiveness of hydrogen, while reducing the requirements for equipment and processes and reducing preparation costs; and the resulting iron-based catalyst can realize the carbon dioxide hydrogenation reaction without hydrogen reduction.

This utility model relates to the field of engine oil seal technology, and more particularly to a double-sided sealed engine crankshaft oil seal, including a support frame and a sealing frame. One end face of the support frame is interference-fitted with the inner wall of the flywheel housing. The support frame is covered with a rubber body. A sealing lip one on the engine side and a sealing lip two on the gearbox side are provided at the end of the rubber body away from the flywheel housing. Sealing lip one and sealing lip two are in interference contact with the sealing frame. The inner side of the sealing frame is interference-fitted with the crankshaft. The sealing frame is located between the two lips of the oil seal and the crankshaft, reducing the machining requirements of the crankshaft. The sealing frame is located between the sealing lip and the oil cavity, reducing the impact of oil on the sealing lip and preventing impurities in the oil from entering the sealing lip. The sealing lip uses a rubber lip with a spiral line, and the interference between the sealing lip and the sealing frame is small, which not only improves the oil seal's resistance to carbon buildup but also prevents vacuum formation between the two lips of the oil seal.

The application relates to the field of medical supplies, in particular to a high-molecular medical catheter pipe fitting and a forming method and a connecting method thereof. The forming method of the high-molecular medical catheter pipe fitting is characterized by comprising the following steps: step 1, an etching pipe is inserted into the initial end of the lumen of an outer cavity pipe and stretched out from the tail end of the lumen of the outer cavity pipe; step 2, the tail end of the etching pipe is closed; step 3, a heat-shrinkable pipe is wrapped outside the outer cavity pipe to form a composite pipe; step 4, the composite pipe in step 3 is placed in a rheometer, and a fluid is filled into the lumen of the etching pipe from the initial end of the etching pipe, the fluid can at least expand the lumen of the etching pipe; then the rheometer is heated to make the heat-shrinkable pipe shrink, and under the action of the fluid expansion and the outer heat-shrinkable pipe, the inner wall of the outer cavity pipe is fused and combined with the outer wall of the etching pipe. The scheme adopts the fluid expansion inner support scheme, so that a high-precision core rod does not need to be inserted into the lumen of the etching pipe, the processing requirement is reduced, and the processing efficiency is improved.

The application relates to the field of robot production lines, and particularly relates to a digital twin simulation system based on robot action features, which comprises a data management unit and a twin simulation unit. The data management unit is connected to a robot management unit, collects original state data of a production line robot maintained by the production line robot management unit, carries out data cleaning and format conversion on the original state data to form twin state data, then carries out data packaging according to a subscription configuration, and sends the data to the twin simulation unit by using different transmission channels. The twin simulation unit obtains the twin state data after unpacking, then sends the twin state data to each twin simulation robot according to a registration configuration, updates the state, and displays in the form of an animation. The application further comprises a simulation method. The application collects data of a real robot or data provided by simulation software, solves the problem of robot simulation animation display, reduces the input of modeling personnel, and can also reduce the process requirements of non-professional personnel.

This invention provides a silicon-based germanium avalanche photodetector, comprising a substrate; an N-type doped silicon layer disposed on the substrate and electrically isolated from it; an intrinsic silicon layer disposed on the side of the N-type doped silicon layer away from the substrate; a P-type doped silicon charge layer disposed on the side of the intrinsic silicon layer away from the substrate; and a P-type doped germanium absorption layer disposed on the side of the P-type doped silicon charge layer away from the substrate. The detector employs a silicon waveguide structure design, allowing optical signals to couple into the P-type doped germanium absorption layer via the silicon layer beneath the P-type doped germanium absorption layer. A distributed Bragg reflector is provided at the detector's output end to reflect any remaining unabsorbed optical signals emitted by the detector. This silicon-based germanium avalanche photodetector achieves low dark current, low voltage, and high speed, thereby improving detector sensitivity and detection performance.

The utility model discloses a sliding block for an injection mold, which comprises a movable sliding block and a fixed sliding block, the contact surface of the movable sliding block and the fixed sliding block is obliquely arranged, a first spring hole for installing a first spring is arranged on the opposite surface of the inclined surface of the movable sliding block, and an inclined pin and a top plate mechanism which can slide in the movable sliding block are arranged in the movable sliding block. The angle pin is connected into the top plate mechanism; a control groove capable of limiting the top plate mechanism is formed in the inclined face of the fixed sliding block. According to the utility model, the inclined pin and the top plate mechanism are arranged in the sliding block, so that the side wall of a product is demolded in the mold opening process, the product quality is ensured, the mold structure is simplified, the requirements on precision and processing are reduced, and the cost is reduced.

The utility model discloses a kind of axle sleeve of electric wheel type loader working device, belong to electric loader technical field. Including: first axle sleeve, second axle sleeve and third axle sleeve connected on swing arm are connected on movable arm;First oil feeding cavity and multiple groups of first annular grooves are opened on the first axle sleeve, and the first oil feeding cavity is communicated with first annular groove;First pin shaft is connected in the first axle sleeve;When the first oil feeding cavity sends in butter to middle first annular groove, butter flows to the first annular groove of both sides through the gap between first axle sleeve and first pin shaft;By setting multiple annular grooves in first axle sleeve, second axle sleeve, third axle sleeve respectively, replace traditional single annular groove structure, significantly increase the storage capacity of butter in axle sleeve, effectively avoid dry grinding phenomenon, reduce the incidence of pin shaft and axle sleeve abnormal wear, abnormal sound, fracture and other faults, prolong the maintenance cycle and service life of working device, improve the operation stability of loader.

This utility model relates to the field of heater technology and discloses a support structure for a heater. The utility model includes a connector for fitting and installing onto the heater body. The connector has at least one slot, and each slot is detachably connected to an adapter. Each adapter is detachably connected to a support leg. When the number of slots is greater than or equal to two, some slots have limiting grooves at their edges, and the corresponding adapters have limiting portions that fit the limiting grooves. The connector has mortises arranged within the area of ​​the corresponding slot. One end of the adapter has a tenon, which is tenon-mortised into place with the corresponding mortise. This utility model has the advantages of convenient assembly and disassembly, easy replacement, and secure installation.

The utility model provides a mixed conveying line body and a conveying system. The mixed conveying line body comprises a first conveying line body, a second conveying line body, a supporting module and a rotor. The first conveying line body is a magnetic drive conveying line body; the second conveying line body and the first conveying line body are both used for conveying rotors. The second conveying line body is located on at least one of the front side, the rear side, the left side and the right side of the first conveying line body in the conveying direction of the rotor. The second conveying line body is at least one of a plate chain line body, a conveying belt line body and a roller line body; the supporting module is located on at least one side of the front side, the rear side, the left side and the right side of the first conveying line body and / or the second conveying line body in the rotor conveying direction. The supporting module comprises a supporting piece arranged in the rotor conveying direction. The rotor is supported by the supporting piece, in the rotor conveying process, friction between the rotor and the supporting piece is rolling friction, the friction coefficient of the rolling friction is mu, and mu is larger than or equal to 0.05 and smaller than or equal to 0.12; or the friction between the rotor and the supporting piece is static friction.

The application discloses a wind power coupling, which comprises a middle pipe and coupling flanges arranged at two ends of the middle pipe, and a winding part is arranged on the outer peripheral wall of the coupling flanges; and the middle pipe is formed by winding and solidifying glass fiber reinforced plastic on the winding part. The application has the advantages of simple processing, low process control difficulty, good structural stability and strong applicability.

This utility model discloses a handheld mixer, including a main housing, a driver disposed within the main housing, a stirring protective shell installed at the lower end of the main housing, a cutter shaft rotatably installed within the stirring protective shell, and a blade disposed at the lower end of the cutter shaft. The key feature is that a second connector is provided at the upper end of the cutter shaft, and a first connector is movably mounted at the lower end of the driver's output shaft. The first connector and the output shaft are coupled via a first movable shaft coupling structure so that rotation of the output shaft drives rotation of the first connector. The first connector and the second connector are coupled via a second movable shaft coupling structure so that rotation of the first connector drives rotation of the second connector. During operation, the female connector can automatically find its equilibrium position under centrifugal force, achieving dynamic self-centering, thereby greatly improving rotational balance and avoiding vibration and noise problems caused by insufficient coaxiality.