15results about How to "Stable and accurate" patented technology

The invention discloses a control method for stabilizing the alkalinity of blast furnace slag. The method comprises the following steps: collecting blast furnace production data; calculating a blast furnace theoretical alkalinity lag period; establishing a dual-control model of a control model based on the theoretical slag alkalinity under the blast furnace tank and a control model based on the actual slag alkalinity of the blast furnace, and monitoring and analyzing the abnormal fluctuation reason of the actual slag alkalinity; and then targeted alkalinity control is carried out according to the reasons of abnormal fluctuation of alkalinity. According to the method, closed-loop control is achieved from the slag alkalinity fluctuation source and the slag fluctuation reason through the theoretical slag alkalinity and actual slag alkalinity dual-control model, the slag alkalinity fluctuation reason can be judged rapidly and comprehensively, targeted measures are taken for different reasons, the slag alkalinity is stabilized more accurately and rapidly, the blast furnace is kept stable, and the method is suitable for large-scale popularization and application. The steel production quality is improved.

The invention provides an intelligent temperature control rubber mixing mill used for rubber master batch production, the intelligent temperature control rubber mixing mill comprises a rack and a mold temperature controller, the upper end face of the rack is provided with two groups of supporting frames, a temperature control mechanism is arranged between the two groups of supporting frames, the temperature control mechanism comprises two groups of rollers arranged in parallel, one side of the upper end face of the rack is fixedly connected with a mounting seat, and the mounting seat is fixedly connected with the mold temperature controller. A mounting seat is arranged on the upper end surface of the roller, a power mechanism is arranged on the upper end surface of the mounting seat, the power mechanism is used for driving the roller to rotate, and a control panel is arranged on the front end surface of the mounting seat. According to the rubber mixing temperature control method, the influence of measurement data abnormity on the control effect is reduced to the maximum extent, the temperature regulation and control quantity at the next moment is calculated in an instant temperature analysis mode, precise control and stable control over the rubber mixing temperature are achieved, and the timeliness of temperature control is greatly improved.

The invention relates to the technical field of cryopreservation tube processing equipment, in particular to a cover opening device for accurately controlling and stably separating a cryopreservation tube cover, which comprises an upper cover opening mechanism, the upper cover opening mechanism comprises a brushless motor and a transmission assembly, a cover separating mechanism is mounted at the bottom of the transmission assembly, and the cover separating mechanism comprises a lead screw motor. A driving lead screw is installed on an output shaft of the lead screw motor, a lead screw sliding block is installed on the driving lead screw, and lifting rods are installed at the bottoms of the two sides of the lead screw sliding block. According to the cover opening device for accurate control and stable separation of the cryopreservation tube cover, efficient and automatic cover opening operation of a cryopreservation tube is achieved by integrating the brushless motor, the transmission assembly, the cover separation mechanism and other core components. According to the device, the cover opening efficiency is remarkably improved, and the sample pollution and damage risks caused by human factors are greatly reduced. The application of the brushless motor ensures the stability and durability of power output, and the precise design of the transmission assembly ensures the accurate transmission and distribution of torque.

This application discloses a collaborative control system and method for automatic flaw detection of end caps based on a seven-axis robot, relating to the field of automatic flaw detection technology. The system includes a base plate, an operating table, and a seven-axis robot. The operating table is equipped with at least three limiting mechanisms evenly distributed along the circumference. Each limiting mechanism includes a limiting seat, a first drive assembly, a second drive assembly, a first wheel set, a lifting component, and a second wheel set, along with a flaw detection execution and communication control unit. The method covers the steps of end cap loading and positioning, centering and clamping, system networking, flaw detection linkage execution, data acquisition and feedback, and intelligent control of the entire process. This solution can be adapted to end caps of different specifications, achieving collaborative linkage between centering and clamping, rotation drive, and seven-axis robot flaw detection, significantly improving the automation level, detection accuracy, and operational efficiency of end cap flaw detection.

The utility model discloses an Internet of Things current measuring device for power transmission and transformation equipment, relates to the field of power systems, and solves the defects of poor anti-interference performance and poor communication stability in the existing Internet of Things current measuring device for power transmission and transformation equipment. Comprising a current sensor, a filter circuit, a digital signal processing chip, a communication module, an embedded processor, a power management circuit, a lightning protection circuit, a temperature sensor, a vibration sensor and a protective shell. According to the utility model, the influence of external electromagnetic interference on current measurement is effectively suppressed through the filter circuit and the lightning protection circuit; through cooperation of the digital signal processing chip and the communication module, accurate acquisition and stable transmission of data are realized. The temperature sensor and the vibration sensor are introduced into the device, so that real-time monitoring and feedback of environmental parameters are realized, the environmental adaptability of the device is enhanced, and the device can stably operate under severe environmental conditions.

Embodiments of the present application provide a high-altitude operation hydraulic control system and a high-altitude operation platform, and relate to the field of high-altitude operation equipment. The high-altitude operation hydraulic control system provided by the present application comprises an oil tank, an oil pump, a load end, a proportional reversing valve and a flow valve. The load end has a first inlet and outlet and a second inlet and outlet, and comprises a jib cylinder and a swing cylinder arranged in parallel. The proportional reversing valve is fluidly connected between the load end and the oil pump, and is used to control the on-off of the oil circuit between the jib cylinder, the swing cylinder and the oil pump. The inlet end of the flow valve is connected between the proportional reversing valve and the load end, and the outlet end is connected to the oil tank. The flow capacity of the proportional reversing valve is greater than the working flow of the load end, and the excess flow returns to the oil tank through the flow valve. The high-altitude operation platform provided by the present application comprises the above hydraulic control system. The present application can improve the problem of low control accuracy of the hydraulic control system caused by the hysteresis error of the proportional reversing valve.

The application provides a mold water collecting module and a cooling valve. The cooling valve comprises a valve core assembly, the valve core assembly comprises a center rod and a valve plate group installed on the center rod, the center rod passes through the middle part of the valve plate group; a switching mechanism is used for rotating the valve plate group, changing the rotation angle of the valve plate group, and switching the working mode of the cooling valve; a shell is used for installing the switching mechanism and the valve core assembly, the shell comprises a top shell, a middle shell and a bottom shell, the bottom shell is detachably connected with the middle shell, the top shell is detachably connected with the middle shell, and the valve plate group is located in the middle shell.

The utility model discloses a program-controlled DC power supply device comprising an ARM controller, an FPGA, a DA chip, an AD chip, a current signal acquisition circuit, a voltage signal acquisition circuit and a 0-300V DC power supply module. The voltage signal acquisition circuit is used for converting a high-voltage output signal of the direct-current power supply module into a low-voltage signal which can be acquired by an AD chip; the current signal acquisition circuit is used for converting an output current signal of the direct-current power supply module into a voltage signal which can be acquired by an AD chip; wherein the ARM controller compares actual voltage data acquired by the AD chip with target voltage data, and dynamically adjusts the output of the DA chip through the FPGA to form closed-loop control, so that the output voltage is stabilized at a set value. According to the utility model, stepless regulation and control of the output voltage of 0-300V can be realized.

This invention relates to the field of cable harness assembly manufacturing technology, specifically disclosing a cable harness assembly manufacturing device and process, including a production frame. Feeding and mounting frames are fixedly installed on both sides of the top of the production frame, and a pressing and fixing frame is fixedly installed in the middle of the top of the production frame. Through the symmetrically arranged wire conveying components and crimping processing components on both sides, various production modes such as single-end crimping, simultaneous crimping at both ends, and continuous alternating crimping can be flexibly realized. During wire conveying, multiple clamping structures and synchronous transmission design ensure accurate positioning and stable conveying of multiple wires, avoiding the impact of conveying displacement on crimping accuracy. The stripping and twisting processes are integrated into the same processing component. Through the coordinated operation of ring cutting, straight cutting, and rotary twisting, precise control of the stripping size and reliable twisting of the copper wires are achieved, completely solving the short-circuit hazard caused by exposed loose wires, while ensuring the consistency of crimping end processing.

The invention discloses an outdoor high-voltage ring main unit, and belongs to the technical field of high-voltage ring main units, the outdoor high-voltage ring main unit comprises a ring main unit body, the ring main unit body is provided with a regulation and control assembly, the regulation and control assembly comprises a supporting lining frame arranged in the ring main unit body, and the supporting lining frame is provided with a plurality of transformers used for voltage conversion. High voltage can be reduced to low voltage through the voltage stabilizer, output voltage is kept stable, the electrode holder can be transferred to one end of the corresponding second conductive pin, current conveyed by the second conductive pin can be transferred to the electrode holder easily to be conveyed, the controller is driven by the first driving motor to rotate, and the output voltage is kept stable. And when the controller rotates, the positions of the insulating frame and the electrode holder are adjusted, so that the electrode holder can be better contacted with one end of the second conductive pin, the electrode holder is contacted with the second conductive pin to quickly open and close, and the convenience and efficiency during current conversion are improved.

The utility model provides a kind of economizer tube bank welding auxiliary alignment device, it is related to welding auxiliary equipment technical field, including bottom plate, further include: alignment subassembly, alignment subassembly includes the support seat being connected on bottom plate, in the utility model, the pipe body to be welded is placed in predetermined position, the output end of pneumatic cylinder promotes clamping block movement, and one end of pipe body is clamped and fixed, ensure the stability of welding process, subsequently, sliding block on guide rod is slid to predetermined position, limit rod and expansion spring drive pressure block down, by the elastic action of expansion spring, the other end of pipe body is limited by pressure block, prevent its displacement in welding process, ensure that pipe mouth accurate level alignment, second transmission motor drives rotating wheel rotation, drive rotating plate to rotate on support block, so that pipe body is rotated, convenient for pipe body to be welded, realize pipe body accurate positioning, stable clamping and rotating adjustment, guarantee welding alignment precision and welding efficiency.

The utility model discloses a hanging rail type fixed-point inspection device applied to a comprehensive pipe gallery, which comprises a rail arranged at the top in the pipe gallery, and further comprises a first main body, a second main body and a connecting assembly, a driving wheel hung on the track in a rolling manner is arranged above the first main body, a driving motor connected with the driving wheel is further arranged on the first main body, and first MESH network equipment, a first control panel and a main control panel which are connected with one another are arranged in the first main body; a driven wheel which is hung on the track in a rolling manner is arranged above the second main body, a second MESH network device and a second control panel which are connected with each other are arranged in the second main body, the second MESH network device is in wireless connection with the first MESH network device, and the second control panel is connected with the first control panel and the main control panel; the first main body and the second main body are connected through a connecting assembly which can be connected and disconnected. According to the utility model, automatic inspection is realized, a signal relay function is provided, and the stability of data transmission and the accuracy of positioning are ensured.

The invention relates to the technical field of clamp structures, and discloses a clamp for cutting an aluminum inner pipe. The direction mechanism is installed on the top of the base and used for adjusting the overall direction of the clamp, the direction mechanism comprises a direction box, a driving motor and a bearing flange are installed on the two sides of the direction box respectively, and a worm is installed between the driving motor and the bearing flange; and the adjusting mechanism is installed at the top of the direction mechanism and used for further adjusting the clamp, and the adjusting mechanism comprises a lifting assembly, a rotating assembly and a clamping assembly. The direction mechanism is introduced, the driving motor is used for driving the worm to rotate, then the worm wheel and the driving shaft are driven to rotate, flexible adjustment of the overall direction of the clamp is achieved, the single limitation of a traditional cutting clamp in the horizontal direction is solved, and the clamp can conduct multi-angle accurate positioning according to different cutting requirements; and the flexibility and adaptability of cutting operation are greatly improved.

The invention belongs to the technical field of biology, and particularly relates to a honeysuckle SSR molecular marker development method based on honeysuckle genome sequencing and application of the developed SSR molecular marker in honeysuckle germplasm resource identification. The SSR molecular marker developed by the invention has the characteristics of good stability and high effectiveness. Eight pairs of SSR molecular marker primers are obtained by taking honeysuckle as a material through genome sequencing, SSR site analysis and identification, SSR primer design, SSR-PCR reaction system establishment, SSR-PCR amplification and effectiveness detection, and 30 honeysuckle germplasm resources can be effectively identified. The SSR molecular marker obtained by the invention can be used for germplasm resource identification, genetic diversity analysis and molecular-assisted new variety breeding of honeysuckle.

The utility model is suitable for the technical field of clock production, and provides a clock body clamping device which comprises a supporting frame body, a sliding piece, a clamping piece and a driving unit. The torsion borne by the meter body can be transmitted to the sliding piece through the clamping piece, and the sliding piece is provided with a force transmission part which can transmit the torsion borne by the clamping piece to the supporting frame body along the second direction, so that the torsion can be transmitted to the whole supporting frame body along the second direction. Part of torsion in the second direction is counteracted through the supporting frame body, and therefore the torsion in the second direction is prevented from being transmitted to the driving unit. As the driving part on the driving unit only has the degree of freedom of moving in the first direction, part of torsion in the second direction is counteracted through the supporting frame body and transmitted to the driving unit, the risk that the driving unit is damaged due to the torsion can be reduced to a certain extent, the driving unit which is a power component is effectively protected, and the service life of the driving unit is prolonged. And the service life of the meter body clamping device is prolonged.