31results about How to "Ensure efficient production" patented technology

The invention belongs to the field of a composite material, and relates to a composite-material automobile transmission shaft formed by pulling, squeezing and winding and a preparation method thereof. The composite-material automobile transmission shaft comprises a shaft pipe (1), metal connection pieces (2) and a glue layer (3), wherein the shaft pipe (1) sequentially comprises a pipe body (4), a lug boss (5) and a fabric reinforcing layer (6) from outside to inside; and the both ends of the shaft pipe (1) are connected with the metal connection pieces (2) through the glue layer (3) and the lug boss (5) in a spline connection and glued connection combined manner. The reasonable composite-material automobile transmission shaft is implemented according to a pulling, squeezing and winding process, the lug boss made of a composite material formed by pulling and squeezing is arranged on the inner side of the automobile transmission shaft along the axial direction of the entire shaft pipe, and at the connection part, the shaft pipe and each metal connection piece are connected with each other in the spline connection and glued connection combined manner, so that the connection strength is enhanced, and the automobile transmission shaft can be reliable for a long time.

The invention relates to the field of oil and gas well cementing, and relates to a high-temperature magnesium oxychloride thermosetting resin gel system as well as a solidified body and preparation method of the system. The high-temperature magnesium oxychloride thermosetting resin gel system comprises an epoxy resin emulsion, an epoxy resin curing agent, a magnesium oxychloride skeleton materialand a high-temperature adjustable solidification agent, wherein the epoxy resin emulsion is at least one selected from the group consisting of glycidyl ether type epoxy resin, glycidyl ester type epoxy resin, cycloaliphatic type epoxy resin, glycidyl amine type epoxy resin, and linear aliphatic type epoxy resin; and the epoxy resin curing agent is at least one selected from the group consisting ofan anhydride, a carboxylic acid, an amine compound, a phenol compound, and a polyhydric alcohol. The high-temperature magnesium oxychloride thermosetting resin gel system provided by the invention can be cross-linked and cured to form an organic polymer material with a three-dimensional net-shaped structure under the conditions of heating, pressing and the like, and realizes annulus long-term sealing performance of cementing cement in the high-temperature environment of 90-120 DEG C relying on the advantages of excellent heat resistance, good compressive strength and toughness, excellent adhesion and the like.

The invention relates to a whole network distributed heat storage and supply system and method and belongs to the field of heat storage and supply systems. The whole network distributed heat storage and supply system is characterized by comprising a heat supply system, a heat storage system, a control system and a management and control platform, wherein the heat supply system is connected to theheat storage system, and the control system is separately connected to the heat supply system, the heat storage system and the management and control platform; the heat storage system includes a heatstorage tank, an electric shut-off valve, an electric regulating valve and a circulating water pump, wherein a cold water end and hot water end of the heat storage tank are separately connected to theheat supply system through the electric shut-off valve, the electric regulating valve and a circulating water pump. The whole network distributed heat storage and supply system and method have the advantages that novel heating systems of heat storage devices are installed on positions such as users' houses, heat exchange stations, pipe networks, renewable energy source areas, thermal power plantsand regional boiler rooms, and through the mode of combining user sides, pipe network sides and heat source sides for heat storage, not only are the needs of heat sources for peak shaving met, but also the advantages of being narrow in adjustment range, closer to the users, higher in flexibility and the like are achieved.

The invention provides an online detection ultrafine pulverizing production line. The production line can obtain the situation of particles generated by an airflow pulverizer in real time, rapid adjustment is conducted, and high-efficiency production of the production line is ensured. The online detection ultrafine pulverizing production line comprises the airflow pulverizer. A discharging port of the airflow pulverizer is connected with an inlet of a detection cavity. An online sampler is arranged on the outer ring face of the detection cavity. The detection cavity is provided with a passage communicating with an inlet of the online sampler. An outlet of the online sampler is connected with a laser detector. An imaging display part is arranged on the output part of the laser detector. An outlet of the detection cavity is directly and externally connected with an inlet of a material output pipeline. An outlet of the material output pipeline is connected with an inlet of a cyclone separator. A first discharging valve is arranged at a material outlet of the cyclone separator. An airflow outlet of the cyclone separator is connected with an inlet of a dust remover through a connecting pipeline. A second discharging valve is arranged at a material outlet of the dust remover. An airflow outlet of the dust remover is connected into an induced air inlet of a high-pressure induced draft fan through a guide pipeline.

A rubber foam tube (5) is produced by extruding a rubber composition into a tubular body (4) and feeding the tubular body (4) in an elongated state without cutting to pass the tubular body (4) through a microwave crosslinking device (8) and then through a hot air crosslinking device (9) for continuously foaming and crosslinking the rubber composition. At this time, a ratio V2/V1 between a speed V2 at which the tubular body (4) passes through the hot air crosslinking device (9) and a speed V1 at which the tubular body (4) passes through the microwave crosslinking device (8) is not less than 1.0 and not greater than 1.6.

An apparatus for producing and delivering open air factor comprises an air supply, a supply of olefin and an ozone supply, means for introducing olefin into the air supply and means for mixing ozone with the olefin/air mixture, wherein the mixing means is arranged such that ozone is mixed with the olefin/air mixture at a period of time after introduction of olefin into the air supply.

The invention discloses a heterogeneous reservoir horizontal well sand fluid output profile dynamic evolution simulation and prediction method, relates to the technical field of oil and gas exploitation engineering, and by means of the method, the sand fluid output profile evolution process can be simply and rapidly simulated, formation fluid and formation sand output profiles under the given production condition and production time can be predicted. Key output parts, namely key control well sections and positions, are provided for sand control and water control tubular column design of the horizontal well, and the purposiveness and the comprehensive effect of sand control and water control are provided. By means of the method, the high-speed inflow position of the heterogeneous reservoir horizontal well can be rapidly recognized, the high-erosion occurrence position of the sand control and water control well completion screen pipe can be judged, the screen pipe structure can be guided and optimized, the high-erosion-resistance screen pipe can be used at the high-erosion-risk position, and the comprehensive erosion resistance of the well completion screen pipe can be improved. In addition, the maximum flow velocity of the actual local high-speed inflow position can be quickly calculated by using the local inflow coefficient provided by the invention, and the method is used for predicting and preventing the erosion damage rate.

The invention relates to the technical field of network information, and provides a resource scheduling method and system for solving the problem that product design and manufacturing are carried out only according to user portraits in the prior art so as to achieve the purposes that users are satisfied with products, enterprises efficiently produce products and resource suppliers provide resources in time. According to the application, through three-party coordination of a user portrait, a product portrait and a resource portrait, efficient production of personalized products of users and personalized purchase of resources can be ensured, and meanwhile, resource demands are formed according to personalized design of the products, the resource portrait is established and transmitted to a resource supplier to provide resource allocation reference for the resource supplier, and rapid supply is realized. According to the method, the user, the enterprise and the resource supplier are closely combined, a multi-subject portraying technology is carried out under the driving of multi-modal data, and accurate allocation of the user, the product and the resource is realized.

The invention discloses a gamepad rocker circuit board detection method, which comprises the steps of installing an STM32F103RCT6 single-chip microcomputer mainboard and three measurement circuits which are designed by using a resistance voltage division principle and are all 5K ohm resistors on a detection circuit board, and installing three measurement areas for insertion and connection of a detected circuit board on the edge of the detection circuit board; enabling the STM32F103RCT6 single-chip microcomputer to control the measurement circuit to measure the voltage of a required node, calculating the voltage of a related node in the circuit board to be measured by collecting measurement data for multiple times, calculating the measured value of the resistance on the measured circuit board, and quickly obtaining an accurate average value. The problem that a traditional manual measurement method is tedious and time-consuming is solved, the number of measurement times is reduced, errors are reduced by replacing the process of manual data processing with machine calculation, the accuracy of measured data is improved, the production cost is reduced, and efficient production is guaranteed.

The invention discloses a railway vehicle hook head externally-hung rotary coupler knuckle device. The device comprises a positioning piece, an upper clamping iron and a lower clamping iron, wherein the upper clamping iron and the lower clamping iron are both rotatably connected with the positioning piece, and the upper clamping iron is slidably connected with the lower clamping iron; the positioning piece comprises a sliding rod, an upper fixing rod and a lower fixing rod, the top end of the sliding rod is fixedly connected with the upper rotating shaft through the upper fixing rod, the bottom end of the sliding rod is fixedly connected with the lower rotating shaft through the lower fixing rod, and the lower rotating shaft and the upper rotating shaft are coaxially arranged; the upper clamping iron comprises an upper clamping plate, one end of the upper clamping plate is rotatably connected with the sliding rod, and the upper clamping plate can slide in the length direction of the sliding rod; a mounting sleeve is arranged on the front side of a top end of the upper clamping plate and provided with a locking mechanism; the lower clamping iron comprises a lower clamping plate, the lower clamping plate is connected with the upper clamping plate in a sliding mode, one end of the lower clamping plate is rotatably connected with the sliding rod, the bottom end of the lower clamping plate is fixedly connected with a supporting piece, and the supporting piece is located below the installation sleeve and is perpendicular to the lower clamping plate.

The invention discloses a water purification station for an underground mine. The water purification station comprises two same tank bodies, wherein the upper half parts of the tank bodies are spheres, and the lower half parts are barrels; the diameters of the spheres are larger than the diameters of the barrels; water inlet pipes and water outlet pipes are respectively arranged at the tops and the bottoms of the tank bodies; a 3-way ball valve is arranged on each of the water inlet pipes and each of the water outlet pipes; pipelines are connected between the 3-way ball valves on the same sides; a sewage draining exit is formed in each of the two pipelines; the water inlet pipes are connected with a gap type screen drum; the water inlet of the gap type screen drum is connected with an original water inlet; the water outlet pipes are connected with a water outlet end; a fiber filter material is arranged in each of the inner cavities of the two tank bodies; an emulsion motor is arranged in each of the two tank bodies; each emulsion motor is connected with a liquid supply device through a liquid supply pipeline and a liquid returning pipeline. According to the water purification station, the structure is simple, and the backwashing of the two tank bodies is more complete through the stirring function of the emulsion motors; the emulsion motors are driven through an emulsion, so that the electric power is not consumed, the safety is guaranteed, the cost is reduced, and the efficient production of a coal mine is guaranteed.

The invention relates to a CNC (Computer Numerical Control) six-axis linked sanitary casting machining device. The CNC six-axis linked sanitary casting machining device is characterized in that the device comprises a body big plate (1), fixtures and body positioning pins (2); the number of the fixtures is six, the six fixtures are installed on the body big plate (1), the number of the body positioning pins (2) is four, and the four body positioning pins are located at the four corners of the body big plate (1) and are used for positioning the body big plate (1); each fixture comprises a first cross-shaped positioning key (3), a left valve chamber positioning device (4), a water inlet positioning device (5), a water inlet positioning sleeve (6), a right valve chamber positioning device (7) and an eccentric cam mechanism (8).

The invention relates to the technical field of molds, and provides a front mold core assembly and a three-plate mold. The front mold core assembly comprises a front mold core, a runner plate and a front mold insert; the front mold core is arranged in a mounting cavity of a plate A, and the front mold core is provided with a front mold cavity and a through hole communicated with the front mold cavity; the runner plate is movably arranged at the side, away from the front mold cavity, of the front mold core, and the runner plate is provided with a branch runner; and the front mold insert is arranged on the runner plate and penetrates through the runner plate and the through hole, a channel is formed in the front mold insert, one end of the channel is communicated with the branch runner, and the other end of the channel is communicated with the front mold cavity, wherein a first lock catch is arranged at the side, away from the front mold core, of the runner plate, and a first lock hole is formed in the side, close to the A plate, of a stripper plate. A product can be prevented from being adhered to the front mold insert and the front mold cavity, the product is prevented from being pulled to be damaged, damage of the mold due to damage of the front mold cavity can be prevented, and the normal and efficient production of the mold is ensured.

The invention discloses a converter lining cooling method. The method includes the steps that a dust removal fan is controlled to keep on after a converter is shut down; M oxygen lance positions are determined, wherein M is greater than or equal to three and M is a positive integer; first converter cooling operation is executed, and the first converter cooling operation includes the steps that according to first air feed intensity and first air feed time, oxygen lances are controlled to blow cooling air to the oxygen lance positions successively from bottom to top; second converter cooling operation is executed, and the second converter cooling operation includes the steps that according to second air feed intensity and second air feed time, the oxygen lances are controlled to blow coolingair to the oxygen lance positions successively from bottom to top; the first air feed time is longer than the second air feed time; and the second converter cooling operation is executed N times until converter lining is cooled to a preset temperature. The method can accelerate the cooling efficiency of the converter lining, the period of converter service is shortened, and efficient production of a converter and subsequent smelting processes can be guaranteed.

The invention discloses a high-energy grinding machine and a using method thereof. The high-energy grinding machine comprises a base, an adjustable vibration mechanism, a grinding tank, a driving mechanism and a control system. The driving mechanism provides power for the adjustable vibration mechanism, the adjustable vibration mechanism vibrates to drive the grinding tank to grind, the rotating speed of the driving mechanism can be controlled through the control system, the grinding state of the grinding tank is monitored in real time, and the grinding state is transmitted to the mobile terminal; the invention further discloses a corresponding use method, and relates to the technical field of powder metallurgy, in particular to a high-energy grinding machine for industrial production and scientific research and development and a use method of the high-energy grinding machine.