14results about How to "Improve quality reliability" patented technology

The utility model discloses drying equipment for purifying a rubber accelerator, and particularly relates to the field of rubber accelerators, the drying equipment comprises a conveying box, the upper surface of the conveying box is fixedly connected with a supporting cover, the upper surface of the supporting cover is fixedly communicated with a communicating pipe, the top end of the communicating pipe is fixedly communicated with a conveying cylinder, and the conveying cylinder is fixedly communicated with the conveying box. A spiral feeding piece is arranged on one side of the conveying barrel, an arc-shaped electric heating plate is fixedly installed on the inner top wall of the conveying barrel, an electric heating flow guide plate is fixedly installed on the inner wall of the supporting cover, a plurality of infrared radiators are fixedly installed on the inner wall of the supporting cover, and an electric driving roller is installed on the inner wall of the conveying box; the outer surface of the electric driving roller is in transmission connection with a conveying belt, each infrared radiator is located above the conveying belt, and an air heater is fixedly embedded in one side face of the supporting cover. According to the continuous drying device, continuous drying can be carried out, drying interruption caused by frequent feeding and discharging is not needed, and the drying efficiency and the unit time handling capacity are improved.

The utility model discloses a kind of efficient brushless hollow cup DC motor stator, including the stator core made of high saturation soft magnetic material, the middle part of the stator core is equipped with core inner hole, the inside of the core inner hole is equipped with cup type winding, and the inside of the core inner hole is attached with insulating film, the cup type winding is by several sheet hexagonal winding column and is rolled by coiling machine, the cup type winding is fixed on the inner wall of core inner hole by high temperature epoxy adhesive layer;The utility model not only guarantees the electrical insulation between stator core and winding cup, but also reduces the inconvenience caused by artificial paste insulating film, improves the quality reliability of stator, shortens manufacturing cycle, improves work efficiency;Relative to filling process, manufacturing cycle is shortened by 2 / 3.

The present application relates to the technical field of building construction, in particular to a medical spliced antibacterial medical board construction method, comprising the following steps: A, wall surface quality acceptance; B, line marking; C, drilling and inserting screw sleeve; D, installing keel; E, installing fastener; F, installing antibacterial medical board; G, sealing glue; The construction method has the advantages of simple construction process, less construction procedure, high quality reliability and the like; The construction speed can be greatly improved by using the construction method, and the construction period is shortened; Further, the antibacterial medical board adopts a "dry hanging" fixing mode, which ensures the safety of the system; Compared with the phenolic resin board construction, the fireproof grade, wear resistance, formaldehyde content, moisture resistance, stain resistance, scratch resistance and other performances are significantly improved, so that the construction process is more environmentally friendly and safe.

This application provides a generator intelligent control method, device, and electronic equipment based on dynamic load, belonging to the field of grid fluctuation suppression. The method is applied to the energy management unit in a gas-fired power generation system, which also includes a gas-fired generator set, an energy storage converter, a supercapacitor, and a current transformer (CT). The method includes: statistically analyzing the number and value of power changes within a preset time period based on the electrical parameters of the grid-side load; selecting a constant power factor mode, a constant reactive power mode, or an automatic adjustment mode based on the number and value of power changes; and controlling the total output power of the gas-fired generator set under these three adjustment modes based on the operating status parameters of the supercapacitor. This application can maintain stable power supply to the load through the adjustment of the supercapacitor and the energy storage converter, reducing the adjustment frequency of the gas-fired generator set and improving its power generation efficiency.

This invention relates to a method, apparatus, equipment, and medium for predicting deformation during the assembly of diesel engine connecting rods, belonging to the field of mechanical assembly technology. The method acquires multi-dimensional assembly data during the assembly process of marine diesel engine connecting rods. Based on assembly process knowledge, the multi-dimensional assembly data is weighted to obtain a weighted input vector set. A pre-trained Bayesian network model is used to infer the deformation prediction probability distribution from the weighted input vector set. Statistical analysis is performed on the deformation prediction probability distribution to obtain deformation trend characteristics and distribution dispersion characteristics. Key deformation risk factors are identified based on these characteristics. A diesel engine connecting rod assembly deformation prediction report is generated based on the deformation prediction probability distribution, deformation trend characteristics, distribution dispersion characteristics, and key deformation risk factors. This invention improves the assembly quality and product reliability of marine diesel engine connecting rods.

The invention belongs to the technical field of ink-jet printing and discloses an industrial digital ink-jet printing robot which comprises a base plate, a mechanical arm is fixedly connected to the top face of the base plate, a secondary ink box is arranged on the end face of the mechanical arm, an ink-jet mechanism is arranged below the secondary ink box, and a protection mechanism is arranged on the outer side of the ink-jet mechanism. The ink jet mechanism comprises a fixing ring, the fixing ring is fixedly connected to the surface of the mechanical arm, an ink jet pipe is fixedly connected to the interior of the fixing ring, a first baffle is fixedly connected to the inner wall of the ink jet pipe, and a bottom plate is fixedly connected to the inner wall of the first baffle. Intermittent ink output of the device is achieved, intermittent ink jetting can enable an ink path to keep slight circulation, the ink concentration is uniform, the problems of different depths, chromatic aberration and the like in printing are avoided, the stability of long-time printing is guaranteed, and the printing quality and the equipment reliability are improved.

This invention relates to a method for preparing the nonhydrated crystalline form of reboxil monosuccinate. The method includes adding reboxil and succinic acid simultaneously or separately to two mixed solvents in an alcohol / alcohol or alcohol / alkane mixture, stirring to induce crystallization, filtering, and drying. The method of this invention features mild reaction conditions, convenient operation, low energy consumption, and is suitable for large-scale production. The nonhydrated reboxil monosuccinate obtained by the method of this invention has a uniform particle size and concentrated particle distribution, which helps to ensure the uniformity of formulation content and the stability of dissolution behavior, thereby ensuring drug quality.

The present application relates to removable partial denture technical field, especially in a kind of removable partial denture paper design single to the method and system of electronic design single, method includes: obtaining the image of paper design single of removable partial denture designed for target user, according to image each tooth is mapped to electronic design single, from image obtaining local image containing support, clasp, base and all teeth;Local image is identified, at least one tooth position to be installed artificial tooth is determined and is marked in the first intermediate electronic design single, and the contour of support, the contour of clasp and the contour of base are mapped to the first intermediate electronic design single, design connector and draw in the second intermediate electronic design single, optimization is carried out by artificial modification mode, and the electronic design single of removable partial denture is obtained.Can quickly and accurately determine the electronic design single of removable partial denture.

The application relates to a low-voltage flexible DC power quality optimization method and system based on big data, and relates to the technical field of power control, and comprises the following steps: acquiring a DC bus voltage fluctuation sequence and an output current distortion rate sequence; calculating a light-load oscillation risk coefficient according to the distortion rate and the load rate, and calculating a heavy-load voltage drop depth according to the integral of the deviation of the voltage from the rated voltage; when the light-load risk exceeds a first threshold value, extracting a damping ratio decay trajectory of the same frequency from historical big data, and calculating a dynamic compensation coefficient; when the heavy-load drop exceeds a second threshold value, matching a recovery time constant according to the ratio of the current change rate to the voltage recovery speed, and generating a correction amount; nonlinearly fusing the compensation coefficient and the correction amount to obtain an adaptive virtual impedance, replacing a fixed impedance value and issuing the adaptive virtual impedance to a pulse width modulator. The application solves the technical problems that the traditional method cannot simultaneously consider light-load oscillation and heavy-load drop, cannot adapt to working condition changes in real time, and is prone to causing system instability.

This application relates to the field of optical fiber communication network technology and discloses a communication network optimization method based on optical fiber sensing and the importance of carried services. The method includes: periodically injecting optical time-domain reflectometry (OTDR) sensing signals into all spare fiber cores; calculating the current loss and crosstalk values ​​of each spare fiber core based on the backscattered signals; monitoring and analyzing the service flows carried on the operating fiber cores; determining the current service importance level of each service flow according to a power communication service type-level mapping table; when an operating fiber core fails, selecting and removing target fiber cores from the set of available spare fiber cores in descending order of service importance level according to fiber core selection rules, forming a mapping relationship; generating and sending port switching control commands based on the mapping relationship to migrate services and updating the network routing table. This application achieves refined perception of spare resources and intelligent protection of differentiated service needs during communication network fault recovery.

The utility model discloses a kind of furnace door opening and closing device and reaction furnace, it is related to the technical field of semiconductor equipment.The furnace door opening and closing device includes support plate, fixed support, connecting rod assembly, support arm and driving part, support plate is connected with furnace tube and has avoidance mouth, avoidance mouth is configured as exposing furnace mouth.Fixed support is set at the side of support plate away from furnace tube;The first end of support arm is connected with furnace door, the second end is rotatably connected with fixed support, and first rotation pair around first axis is formed.Connecting rod assembly includes at least two rotatably connected connecting rods, the first end of connecting rod assembly is rotatably connected with the second end of support arm, and second rotation pair around second axis is formed.The second end of connecting rod assembly is rotatably connected with fixed support, and third rotation pair around third axis is formed.Driving part drives the second end of connecting rod assembly to rotate, so that connecting rod assembly drives support arm to swing, to utilize furnace door to open and close avoidance mouth, improve the docking precision of furnace door to furnace mouth.

This utility model discloses a welding device for precisely positioned elbow assemblies, comprising a base and sequentially arranged bottom straight pipe clamping section, middle elbow clamping section, and top straight pipe clamping section. The bottom section uses a horizontal cylinder to drive the clamping jaws to cooperate with the fixing plate to clamp the straight pipe section. The middle section uses an inclined auxiliary lifting platform to mount replaceable magnetic clamping components, whose double semi-circular magnetic attraction structure achieves precise positioning of the elbow surface and prevents mistaken insertion. The top section uses a main lifting platform and a downward pressing cylinder to fix another straight pipe section. Each clamping surface is covered with an elastic silicone layer, the fixing plate is equipped with a pressure sensor, and the base has a storage slot compatible with multiple specifications of magnetic clamping components. This device solves the problems of inaccurate positioning, unstable clamping, and low efficiency in traditional welding, and is suitable for high-precision elbow welding scenarios such as refrigeration systems, combining precise positioning, rapid clamping, and specification compatibility.

This invention discloses an automated welding device for steel structure production, including a fixed frame with a moving unit at its top; and a welding unit mounted on the moving unit, including a support frame and a welding torch installed at the bottom of the support frame. This invention uses a flux output unit composed of a material bin, a separation mechanism, and a double-discharge component. It can classify recycled residual flux, retaining reusable flux, which is then further separated into fine and coarse materials for separate storage. The double-discharge component can sequentially output the flux in layers, forming a layered structure of fine material at the bottom and coarse material at the top. The fine material at the bottom fully fills the weld gap space, tightly wraps the welding wire end, and strictly prevents air intrusion. The coarse material at the top forms a stable protective slag shell, enhancing insulation and permeability, and smoothly expelling arc gases and water vapor. This effectively avoids defects such as incomplete penetration, incomplete fusion, open welds, and voids, greatly improving weld formation quality and welding reliability.