30results about How to "Improve brand competitiveness" patented technology

The invention provides an emulsion flow differential setting method for a cold continuous rolling unit, and relates to a control device or method specially suitable for a metal rolling machine or machined products of the metal rolling machine, in particular to a spray flow control method for the emulsion on the upper surface and the lower surface of strip steel of a cold continuous rolling unit in the cold continuous rolling unit rolling process. The emulsion flow differential setting method comprises the following steps that the gravity loss coefficient of the emulsion is calculated; the technology parameters of site equipment are collected; the flow setting comprehensive index of the emulsion is calculated; and an optimum setting value of the emulsion on the upper surface and the lower surface of the strip steel is obtained after searching. According to the emulsion flow differential setting method for the cold continuous rolling unit, flow differential setting for the spray volume of the emulsion on the upper surface and the lower surface of the strip steel is conducted, and the spray flow of the emulsion on the upper surface and the lower surface of the strip steel is adjusted, so that the spray flow differentiation of the emulsion on the upper surface and the lower surface of the strip steel is achieved; and the loss, caused by the influence of the gravity, of the emulsion on the lower surface of the strip steel is compensated, the adhesion volume difference of the emulsion on the upper surface and the lower surface of the strip steel is reduced, and therefore the roughness difference of the upper surface and the lower surface of the strip steel is reduced, the quality of the strip steel surfaces is guaranteed, brand competitiveness is improved, and benefits are brought to an enterprise.

The invention discloses a comprehensive setting method suitable for original roughness of surfaces of upper and lower working rolls of a cold continuous rolling unit, belonging to the field of cold rolling. The method is characterized in that according to the coining ratio relative coefficient of the upper and lower surfaces of strip steel of the unit, product technological parameters and on-site technological parameters in a roll changing cycle are collected; real-time roughness of the upper and lower working rolls when the kth reel is produced is obtained; optimization setting values of roughness of the upper and lower rolls are calculated; by setting reasonable original roughness of the surfaces of the upper and lower working rolls, the difference of emulsion adhesion amount of the upper and lower surfaces of the strip steel is compensated through the roughness setting of the upper and lower working rolls, and roughness difference between the upper and lower surfaces of the strip steel is then reduced, so that the surface quality of the strip steel is ensured. The comprehensive setting method can be widely applied to machining treatment of the surfaces of the upper and lower working rolls of the cold continuous rolling unit and the field of production technique control of the cold continuous rolling unit.

The invention provides an outlet strip steel surface roughness control method suitable for a hot continuous rolling unit. Under the precondition of collecting strip steel characteristic parameters, rolling process parameters and roller use process parameters to calculate the outlet strip steel surface roughness, the method can control the strip steel surface roughness on the work site according to user requirements on the strip surface roughness through reasonable linked setting of the operating surface roughness and the operating surface hardness of working rollers of F6 and F7 frames of the hot continuous rolling unit and the reduction rate between the two frames, so that the benefits are brought to enterprises.

The invention discloses a method for predicting the changes of a rolling pressure with the changes of a rolling speed in a cold rolling process. The method comprises the following computer executed steps: (1) collecting main equipment and technological parameters of a cold continuous rolling unit; (2) calculating an elastic flattening radius of a working roller; (3) calculating the temperature of emulsion in the rolling process for producing products of the typical specification under the current working condition; (4) calculating power viscosity of a lubricant; (5) calculating dynamic oil film thickness in rolling of a smooth roller; (6) calculating the friction coefficient in the rolling process under the current working condition; and (7) calculating the rolling pressure under the current working condition. The method disclosed by the invention can realize on-line prediction of changes of the rolling pressure in a speed increasing and reducing process and can be used for monitoring the change condition of the rolling pressure in the speed increasing and reducing process in real time so as to provide a control strategy in time, so the rolling pressure fluctuation degree is greatly alleviated, on-site workers can be provided with an on-line rapid early warning mechanism, and the surface quality and strip shape accuracy of strip steel are guaranteed.

The invention discloses a GPU card fixing structure suitable for a 2U server. The fixing structure is provided with a main fixing plate on the chassis bottom plate. Take board. A left GPU plug and a right GPU plug are respectively provided on the inside surfaces of the left adapter board and the right adapter board, and the left GPU plug protrudes to the left from the right side of the right adapter board, and the The right GPU plug protrudes leftward from the left side of the left adapter board, and the left GPU plug and the right GPU plug are respectively plugged with GPU cards. The front ends of the outer surfaces of the left adapter board and the right adapter board are respectively provided with a left adapter board plug and a right adapter board plug, and a left adapter board plug is fixedly arranged on the GPU board on the chassis bottom plate. slot and the right adapter board slot, the GPU board is connected with the main board through a cable. This fixed structure increases the number of GPU cards in the same space, increases product function requirements, and improves brand competitiveness and customer satisfaction.

The invention discloses a preparation method of a high-quality cyanamide water solution. The preparation method has the advantages that the calcium oxide is used as the raw material, is low in price,and is easy to obtain; the high-temperature alloy chips are mixed into the calcium oxide and urea powder, and are used as the bath salt, so that the heating effect of the powder at high temperature isimproved, the yield rate of calcium cyanamide is increased, and the high-temperature alloy chips are easy to recycle and reutilize; the crude powder of the calcium cyanamide is rinsed by cold water,so that the content of calcium oxide impurities in the crude product of calcium cyanamide is reduced; the pH (potential of hydrogen) value of a dissolving system is controlled by a phosphoric acid solution, so that the generation of the side reaction product of dicyandiamide is favorably inhibited, the purity of the cyandiamide is favorably improved, the quality of the product is improved, and thepositive meaning is realized on improvement of whole quality of cyandiamide industry and brand competitiveness of enterprise.

Provided is an optimal setting method for the relationship curve of the emulsion flow and the rolling speed in the cold rolling process. The method mainly comprises the following steps: 1, collecting main equipment and process parameters of a cold rolling unit; 2, defining the process parameters involved in the optimization process of the emulsion flow; 3, calculating the roll bending force of a rack working roll; 4, initializing the emulsion flow coefficient; 5, calculating the set value of the emulsion flow corresponding to Vi; 6, calculating the friction coefficient mui corresponding to Vi; 7, calculating the rolling pressure, slipping factor and thermal slipping injury index corresponding to Vi; 8, solving the objective function; 9, outputting the best emulsion flow coefficient, and determining the relationship curve of the best emulsion flow and speed. The method has the advantages that the overall fluctuation rate and the maximum fluctuation rate of the rolling pressure can be kept smaller during the speed-up and speed-down process, and it is ensured that the slipping and thermal slipping defects are prevented from occurring in the rolling process, thus the surface quality and the strip shape control precision of strip steels are improved.

The solution relates to a method, device, vehicle and controller for predicting weather conditions of an autonomous vehicle to solve the problem in the prior art that the real weather environment of the vehicle environment cannot be predicted, which leads to safety threats to autonomous driving. The method includes: determining the third initial rainfall level based on wiper information, determining the light level based on light information, determining the light level based on visibility level information and environmental scene information of the vehicle; based on the first initial rainfall level, the second initial rain level and The third initial rainfall level is to determine the final rainfall level; based on the light level, light level, pollution level information and weather type information, the final light level is determined; based on the ambient temperature information, it is determined whether the ambient temperature exceeds the standard; Whether the meteorological conditions of the environment meet the requirements of automatic driving.

The invention discloses an in-vehicle engine multi-sound-effect active control system, and relates to an active control technology of vehicle interior sound. The system comprises an engine speed sensor, an accelerator pedal position sensor, a microphone, a microphone preamplifier, a speaker, a power amplifier, an engine multi-sound-effect controller and a human-computer interaction module; the engine multi-sound-effect controller includes an A / D conversion module, a multi-sound-effect processing module, a D / A conversion module and a communication interface; a software architecture of the multi-sound-effect processing module includes an order signal generator, an ignition self-adaptive control module, a dynamic gain adjuster and a control signal selection module; the system obtains three in-vehicle sound effects of "comfortable", "powered" and "sporty" by actively weakening or actively adding engine sound of appropriate order components, the sound preferences and needs of different groups of people can be met, driving interaction and experience are enhanced, and the brand competitiveness and attractiveness of vehicle products are enhanced.

The invention discloses a comprehensive setting method suitable for original roughness of surfaces of upper and lower working rolls of a cold continuous rolling unit, belonging to the field of cold rolling. The method is characterized in that according to the coining ratio relative coefficient of the upper and lower surfaces of strip steel of the unit, product technological parameters and on-site technological parameters in a roll changing cycle are collected; real-time roughness of the upper and lower working rolls when the kth reel is produced is obtained; optimization setting values of roughness of the upper and lower rolls are calculated; by setting reasonable original roughness of the surfaces of the upper and lower working rolls, the difference of emulsion adhesion amount of the upper and lower surfaces of the strip steel is compensated through the roughness setting of the upper and lower working rolls, and roughness difference between the upper and lower surfaces of the strip steel is then reduced, so that the surface quality of the strip steel is ensured. The comprehensive setting method can be widely applied to machining treatment of the surfaces of the upper and lower working rolls of the cold continuous rolling unit and the field of production technique control of the cold continuous rolling unit.

The invention provides a detection method and detection system for the oblique pull of a heavy-duty crane hook, which can obtain the satellite signal and direction information of the center position of the top of the boom and the top of the hook in real time; obtain the satellite signal and direction information of the cockpit position in real time, and Generate real-time RTK differential data according to the satellite signal; according to the satellite signal and RTK differential data at the center position of the top of the boom and the top of the hook, respectively generate positioning information of the center position of the top of the boom and the center of the hook top relative to the position of the cockpit; According to the positioning information of the center position of the top of the boom and the top of the hook, the target point is determined, and the relative position of the target point of the hook relative to the vertical projection of the top of the boom is obtained. At the same time, the direction information of the top of the boom and the hook is used to obtain the The rotation angle and the attitude information of the hook are obtained to obtain a two-dimensional radar map. The invention improves construction efficiency, saves additional communication costs and labor costs, and greatly reduces the probability of cable-stayed rollover.

The invention provides an emulsion flow differential setting method for a cold continuous rolling unit, and relates to a control device or method specially suitable for a metal rolling machine or machined products of the metal rolling machine, in particular to a spray flow control method for the emulsion on the upper surface and the lower surface of strip steel of a cold continuous rolling unit in the cold continuous rolling unit rolling process. The emulsion flow differential setting method comprises the following steps that the gravity loss coefficient of the emulsion is calculated; the technology parameters of site equipment are collected; the flow setting comprehensive index of the emulsion is calculated; and an optimum setting value of the emulsion on the upper surface and the lower surface of the strip steel is obtained after searching. According to the emulsion flow differential setting method for the cold continuous rolling unit, flow differential setting for the spray volume of the emulsion on the upper surface and the lower surface of the strip steel is conducted, and the spray flow of the emulsion on the upper surface and the lower surface of the strip steel is adjusted, so that the spray flow differentiation of the emulsion on the upper surface and the lower surface of the strip steel is achieved; and the loss, caused by the influence of the gravity, of the emulsion on the lower surface of the strip steel is compensated, the adhesion volume difference of the emulsion on the upper surface and the lower surface of the strip steel is reduced, and therefore the roughness difference of the upper surface and the lower surface of the strip steel is reduced, the quality of the strip steel surfaces is guaranteed, brand competitiveness is improved, and benefits are brought to an enterprise.

The invention discloses a new energy vehicle back-to-neutral control method, device, equipment and storage medium. The method includes: obtaining status information of the new energy vehicle; judging whether the new energy vehicle satisfies the control condition for returning to neutral gear according to the status information; It can switch the automatic transmission from the driving gear to neutral through the vehicle sound reminder, the handle is forced to return to neutral, and the automatic transmission is returned to neutral. The advantages include prolonging the service life of the automatic transmission, reducing the noise of the transmission system, and reducing engine fuel consumption. , reduce exhaust emissions, and at the same time, it can adapt to different styles of driver's operation needs during the start process, improving vehicle safety and brand competitiveness.

The invention discloses a milling machine for a garment template. The milling machine for the garment template comprises a working table, wherein a height-adjustable supporting leg is arranged below the working table; guide tracks A are separately arranged on two opposite sides of the working table; a cross beam support is arranged between the two guide tracks A; a guide track B is arranged on thecross beam support; a positioner is arranged on the guide track B; and a milling head is arranged on the positioner; two pressure plate mechanisms are separately arranged at two opposite ends of theworking table; and a milling template is arranged on the working table. By the template manufactured by the milling machine, the clothing manufacture efficiency can be improved.