35results about How to "Meet the actual working conditions" patented technology

The invention discloses a method for sorting lithium-ion power batteries. The method mainly comprises the steps of: selecting a simulated condition, detecting batteries, storing data, designating a capacity range and reference curve, comparing battery data with a reference, sorting out batteries and so on. The method for sorting the lithium-ion power batteries, disclosed by the invention, has the advantages of simplifying sorting process of the lithium-ion power batteries and being high in sorting quality and convenient to use.

The invention discloses a method and a device for recording suspension arm belt loading extension and a crane. The method can comprise the following steps: if the rated lifting capacity is greater than a first weight threshold, the ratio of the suspension loading weight to the rated lifting capacity is greater than a preset coefficient, and the suspension arm extension length is greater than a length threshold, the suspension arm extension length is recorded as belt loading extension; and if the rated lifting capacity is smaller than the first weight threshold, the suspension loading weight is greater than a second weight threshold, and the suspension arm extension length is greater than the length threshold, the suspension arm extension length is recorded as the belt loading extension. The method can effectively prevent the wrong record of the suspension arm belt loading extension, and can be suitable for cranes with various model numbers.

The invention provides an aluminum alloy sacrificial anode material capable of improving the protection effect of a water/gas interface of a sewage storage tank and a preparation method thereof. The aluminum alloy sacrificial anode material comprises, by mass, 3.0-4.0% of Zn, 0.01-0.1% of In, 0.4-0.5% of Mg, 0.01-0.1% of Sn, and the balance Al. The preparation method comprises the steps of smelting an aluminum ingot to obtain molten aluminum and continuously introducing inert gas for protection in the smelting process; conducting heat preservation on the molten aluminum for 30-35 min, adding Zn to the molten aluminum, after melting and even stirring, adding In, Mg and Sn until complete melting, and conducting drossing after even mixing and then heat preservation to obtain mixed liquid; pouring the mixed liquid in a die to be molded, cooling the mixed liquid to the indoor temperature and preparing the aluminum alloy sacrificial anode material. By adding appropriate types of alloy elements at the appropriate ratio, the aluminum alloy material capable of effectively protecting the water/gas interface of the sewage storage tank is prepared, and the aluminum alloy material is dissolveduniformly in the sewage storage tank.

The invention relates to a test device for the salt expansion characteristic of salinized soil under the rigidity constraint condition. The test device comprises a temperature control box (1), a support frame (2), a sample barrel (3), a rigidity constraint mechanism, and a test data detection assembly, wherein the support frame (2) and the sample barrel (3) are arranged inside the temperature control box. With selection of different rigidity constraint mechanisms, different rigidity constraint changing environments are provided and the corresponding rigidity constraint condition is formed by cooperating with the movability of a mandril. The temperature control box adjusts the soil sample temperature to realize freeze-thaw cycle tesst under different rigidity constraints. Besides, a water injection port (27), a weighing device (11), a water adding asembly (17) and an air drying assembly and other parts are added, so that the dry-wet cycle tests and dry-wet freeze-thaw coupling tests under different rigidity constraint conditions are realized. The test device is operated simply and is assembled conveniently; the salt expansion amount and the salt expansion force in the salt expansionprocess of the sample can be measured simultaneously; the moisture content and temperature change of the sample are monitored; and the data are automatically collected.

The invention discloses a high-speed rail ballastless track bearing platform three-dimensional shape detection method based on a digital image. A binocular vision camera and a total station prism measurement unit form a detection system, prism groups in the binocular vision camera and the total station prism measurement unit are fixedly arranged on a measurement rack together, and camera coordinates are established; three-dimensional point cloud contour data of the track bearing platform is reconstructed by using a digital image which is obtained by shooting of the binocular vision camera and contains natural textures on the surface of the track bearing platform; and the total station prism measurement unit obtains the position of each prism in the prism group in the CP III control network, establishes the relationship between the camera coordinate system and the CP III control network, and unifies the three-dimensional point cloud contour data of the track bearing platform to the CP III control network in sequence, thereby realizing the three-dimensional shape detection of the track bearing platform. According to the invention, the detection efficiency is greatly improved, and the measurement precision meets the requirements of working conditions.

The invention discloses a piston sealing piece manufacturing process, which comprises the following steps of: 1) performing injection molding on a hard polyurethane material in a die to form a first sealing piece, wherein the first sealing piece comprises an annular body and a sealing part connected to the upper part of the annular body; 2) cutting off the sealing part of the first sealing piece formed in the step 1), and only retaining the annular body; and 3) putting the annular body into the die in the step 1), and performing injection molding on a soft polyurethane material in the die to form a second sealing piece, wherein the second sealing piece comprises the annular body formed by performing injection molding on the hard polyurethane material and a sealing part formed by performing injection molding on the soft polyurethane material, and thus obtaining the piston sealing piece. Compared with the prior art, the piston sealing piece manufacturing process has the advantages that: the annular body of the piston sealing piece is made of the hard polyurethane material, and the sealing part is made of the soft polyurethane material, so that the piston sealing piece has a simple structure, and can meet a low-friction requirement on the sealing part and a high anti-squeezing capacity requirement on the annular body and totally accord with the actual working condition requirement.

The invention discloses method for controlling an efficient energy-saving electronic control electrolytic aluminum crust breaking valve terminal. A efficient energy-saving electronic control electrolytic aluminum crust breaking valve terminal system comprises an air source inlet, a first electromagnetic reversing valve, an air control reversing valve, a throttling valve for regulating speed and a single valve for controlling fast reverse which are integrated; the air source air inlet is connected with two outlets of a valve terminal again through passages of the electromagnetic reversing valve, a pneumatic control valve and the throttling valve; the two outlets on the valve terminal are respectively connected with a rod cavity and a rodless cavity of an air cylinder; an energy-saving mode is adopted firstly, a coil of the first electromagnetic reversing valve is electrified, a valve core of the first electromagnetic reversing valve acts and controls a valve core of the air control reversing valve to the energy-saving operation position; air enters the rodless cavity of the air cylinder, the throttling valve controls the air exhaust speed of the rod cavity, the rod cavity exhausts a gas, a unidirectional valve is closed, and a piston rod runs downwards; after an aluminum crust is broken through, the coil of the valve is power off and is closed, a valve core of the valve is reset, a unidirectional valve connected with the rod cavity is started up, air enters the rod cavity rapidly, the air cylinder returns, the piston rod returns soon, and fast reverse is realized; and if the aluminum crust is difficult to break through by an electrolytic aluminum crust breaking hammer head, a conventional mode is adopted.

The invention discloses a detection system and method for measuring the final straightness of a welded rail, wherein the system comprises a base which is arranged in an operation direction of a steelrail, a movable box body, a measuring part, a clamping part, a vertical part, lifting parts, a hydraulic station and a control system; the movable box body moves on the base in the operation directionof the steel rail through a platform moving part; the measuring part is arranged on the movable box body and is used for measuring weld joint data on the steel rail; the clamping part is arranged onthe movable box body and used for clamping and fixing the steel rail; the vertical part is arranged on the movable box body and used for pressing and fixing the steel rail; the lifting parts are arranged on the front side and the rear side of the base and used for supporting the steel rail; the hydraulic station is used for providing hydraulic power for the measuring part, the clamping part and the lifting parts; and the control system is used for completing measurement and detection, data acquisition, data operation, data display and data storage of the weld joint data on the steel rail. According to the invention, errors caused by manual measurement and errors of an electronic ruler can be effectively overcome, and the labor intensity of operators is reduced.

The invention provides a device and a method for detecting the quantitative relation of the interaction action of molten iron sulfide in a furnace cylinder, and relates to the technical field of blastfurnace ironmaking. The device comprises a high-temperature tubular furnace, a corundum crucible, a stirring rod and a motor; the stirring rod consists of a corundum rod and a carbon brick cylindrical rod connected to one end of the corundum rod; the other end of the corundum rod is connected with the motor; and during application, the corundum crucible is placed in a constant-temperature zone ofthe high-temperature tubular furnace, and the carbon brick cylindrical rod end of the stirring rod enters from an upper opening of the high-temperature tubular furnace and is used for stirring a molten iron sample in the corundum crucible. The device is standard in design and high in detection result reliability, and the device can be used for detecting the molten iron samples by aiming at different blast furnaces, the quantitative relation of a furnace cylinder molten iron sulfur-titanium interaction effect conforming to the actual conditions of different blast furnaces is obtained, the molten iron component is regulated and controlled, and reasonable suggestions are provided for prolonging the service life of the furnace cylinder.

The invention discloses a hull welding temperature monitoring device. The device comprises a magnetic thermocouple, a thermocouple digital converter, a main controller and a setting and displaying unit; the magnetic thermocouple is magnetically attached to a steel plate to be measured and used for measuring welding temperature; the thermocouple digital converter is connected with the magnetic thermocouple and used for conducting nonlinear correction and cold junction compensation on the welding temperature to obtain processed temperature; the main controller is connected with the thermocoupledigital converter and used for converting the processed temperature to online temperature; the setting and displaying unit is connected with the main controller and used for displaying an online temperature and setting a temperature threshold value. The device can monitor the temperature in the welding process online.