23 results about "Large size" patented technology

Electrographic printing wherein raised information, with a distinct tactile feel, can be printed by electrographic techniques. Such electrographic printing comprises the steps of forming a desired print image, electrographically, on a receiver member utilizing standard size marking particles; and in an area of the formed print image, where desired tactile feel, raised information is to be formed, selectively forming such tactile feel, raised information utilizing marking particles of a substantially larger size than the standard size marking particles of the desired print image.

The invention belongs to the technical field of touch control, and provides a handheld touch control device. At least one side face or the back face of the handheld touch control device is provided with a touch sensing assembly. The touch sensing assembly comprises a holding portion and an operating portion, wherein the holding portion is used for sensing handheld actions, and the operating portion is triggered by the holding portion to work. The operating portion is used for sensing clicking and sliding actions to achieve target operations of one or any two or three of movement of application programs on an operation interface, power on-off and volume adjustment. The touch sensing assembly is arranged on one side face or the back face of the handheld touch control device and can recognize sliding or clicking operations of a user, then the functions of power on-off, volume adjustment, application program movement and the like are achieved, and one-hand holding operation of the touch control device of the large size is facilitated; due to the fact that the touch sensing assemblies are arranged on the two sides of the touch control device, holding by the left hand and holding by the right hand can be effectively recognized, the handheld touch control device is suitable for using habits of different crowds, and the using flexibility of the touch control device is improved.

The invention belongs to the technical field of liquid crystal panel detection and particularly relates to a large-size liquid crystal panel detection device. The large-size liquid crystal panel detection device comprises a machine frame, wherein a material conveying device, a CCD (Charge Coupled Device) camera moving device, a rotary table, material taking and placing devices and a controller are mounted on the machine frame; the material conveying device, the rotary table and an overturning mechanism are sequentially mounted on the machine frame in the axial direction; the CCD camera moving device is positioned below a supporting plate of the rotary table; the overturning mechanism comprises a plurality of overturning devices which are mounted on the machine frame, are positioned on two sides of the axial direction and are symmetrically distributed; a guide rail is axially arranged at the top of each of the overturning devices on the two sides of the axial direction on the machine frame; the material taking and placing devices capable of moving along sliding rails are mounted on the two guide rails respectively. The streamlined detection device is adopted, the working state of each device is controlled by the controller, transporting and overturning of a liquid crystal panel can be controlled, and the whole detection device is high in automation degree, easy to operate and high in detection efficiency.

The invention relates to the field of casting processes of martensitic casts, in particular to a high-temperature shakeout process for a large-size martensitic stainless steel cast. The high-temperature shakeout process particularly comprises the following steps of: (1) selecting an area with highest cooling speed in the cast, wherein the time of temperature reduced to be higher than a start point of the martensitic phase transformation of a material by 50-100 DEG C is a reasonable shakeout time point; and (2) after the cast is shaken out, controlling the cooling speed of all parts of the cast to be basically equivalent to the cooling speed of the parts of the cast in a sand box by adopting a method for charging a furnace and cooling with the furnace or covering a heat-preserving materialand the like. According to the high-temperature shakeout process disclosed by the invention, the sand box occupying time of the cast is shortened by reasonably selecting a shakeout temperature control point and optimally controlling the cooling conditions of the cast after the cast is shaken out, and therefore, production efficiency is enhanced and the internal stress of the cast is ensured to becontrolled at a reasonable level without generating the phenomena of overstress, cracking, and the like. The invention can solve the problems of production efficiency reduction, production capacity limiting, and the like of an integral casting factory, which are caused by keeping the temperature of the cast in the sand box for a long time, in the prior art.

The embodiment of the invention provides a mask plate and a manufacturing method of the mask plate. The mask plate is applied to a large-size proximity exposure machine optical system; and the mask plate comprises a plurality of areas, wherein each area is formed by taking the center point of the mask plate as a center of a circle according to a set rule, and the area closer to the center point of the mask plate has higher corresponding transmissivity, and the area farther from the center point of the mask plate has lower corresponding transmissivity. In the embodiment of the invention, when the proximity exposure machine optical system is exposed, as the area closer to the center point of the mask plate has higher corresponding transmissibility on the mask plate, the exposure amount of these areas is higher, which can relatively compensate the influence of smaller exposure intervals of the areas on an image, so that the uniformity of the size of the exposed image is improved.

The invention discloses a magnetoelectric type absolute position sensor with a large central hole structure and a method for measuring an absolute position, relates to the field of robot control, and aims to solve the problems of complicated structure, large size, low measurement accuracy of the absolute position and low reliability of an existing position sensor. According to the magnetoelectric type absolute position sensor, a magnetic ring, a magnetic ring seat and a circuit board are of an annular structure; the magnetic ring is attached to the magnetic ring seat; the magnetic ring and the magnetic ring seat form a magnetic code disk; a gap is reserved between the magnetic code disk and the circuit board, and the magnetic code disk and the circuit board are coaxially and oppositely mounted; the circuit board is fixedly arranged on a stator shell; an outer ring main code channel and an inner ring cursor code channel are arranged on the upper surface of the magnetic ring respectively; an acquisition chip and a signal processing circuit are integrated on the circuit board; a Hall element is integrated in the acquisition chip and is used for acquiring the magnetic pole change information of the outer ring main code channel and the inner ring cursor code channel; magnetic field change information is processed by the signal processing circuit, and absolute position information is output. The magnetoelectric type absolute position sensor can be used for accurately measuring the rotating angle and the rotating speed of a light mechanical arm joint and controlling a motor.

The invention provides a full-automatic end face cutting assembly line of a high-speed rail axle and belongs to the technical field of saw cutting mechanical equipment. The problems that in the prior art, feeding is conducted in a clamping mode, then longitudinal material feeding is conducted in a roller and chain conveying mode, and the method is not applicable to charging and conveying of large-size square materials and inconvenient to implement are solved. The full-automatic end face cutting assembly line sequentially comprises a feeding mechanism, a charging mechanism, a machine tool and a discharging mechanism. The feeding mechanism comprises a movable mechanism, a guide rail and a material storage frame. The movable mechanism moves back and forth along the guide rail and can carry the materials and move to the position in butt joint with a charging port of the machine tool. The charging mechanism pushes the materials which move to the charging port into the charging port of the machine tool, and the pushing-in direction of the materials is perpendicular to the moving direction of the movable mechanism. The full-automatic end face cutting assembly line has the advantages that functions including transverse charging, longitudinal conveying, positioned pushing and classified storage can be achieved, and conveying of the materials is more convenient.

The invention relates to a large-stroke five-degree-of-freedom hybrid machine tool with reconfigurable characteristics. The large-stroke five-degree-of-freedom hybrid machine tool comprises a liftingadjusting device, five parallel mechanism driving branched chains with the same structure, a passive constraint branched chain, a movable platform and a spindle head, wherein one ends of the five parallel mechanism driving branched chains with the same structure are connected to the lifting adjusting device, the other ends of the five parallel mechanism driving branched chains are connected to themovable platform, one end of the passive constraint branched chain is connected to the center of the movable platform, the other end of the passive constraint branched chain is connected to the lifting adjusting device, and the spindle head of the machine tool is installed at the tail end of the movable platform. The parallel mechanism part of the hybrid machine tool has three-dimensional movement and two-dimensional rotation, and the processing requirements of complex curved surfaces and surface local bulges of large-size box bodies can be met; the Z-direction motion is superposed by two stages of the lifting adjusting device and the parallel mechanism, a larger Z-direction stroke is achieved, and the processing requirement of a large working space of a box body is met; and meanwhile, the lifting adjusting device can continuously change the structural inclination angle of the parallel mechanism, so that the mechanism has reconfigurable characteristics, and different processing requirements can be met.

The invention relates to a rubber composition used for treads of middle-large-size automobile tires. According to the material formula, the rubber composition contains the following components in parts by weight: matrix rubber including 65-75 parts of styrene-butadiene rubber and 25-35 parts of natural rubber; functional filler including 30-60 parts of modified fumed silica and 30-60 parts of carbon black; tackifying resin including 10-20 parts of specific boron hybridized methyl vinyl MQ silicon resin and 5-10 parts of synthesized terpene resin; 5-10 parts of a vulcanizing agent and 2-5 partsof a vulcanization accelerator. After being cured, the composition disclosed by the invention has high elasticity, self flame retardance, good wear resistant property and excellent ground gripping property and ground gripping durability, and has wide application prospect in the field of middle-large-size automobile tires.

The invention relates to a detection system for a display screen of a liquid crystal panel, which comprises a high-voltage strip, a button box, a process control system and a low-voltage differential signaling (LVDS) signal generating circuit, wherein the high-voltage provides voltage to illumine the display screen of the liquid crystal panel; the LVDS signal generating circuit generates LVDS signals to detect parameters of the display screen of the liquid crystal panel; different processes are selected by the button box, so that the LVDS signal generating circuit generates the LVDS signals in different modes; and the LVDS signals in different modes can detect different parameters of the display screen of the liquid crystal panel. The detection system has the advantages that: for a display and a projector which have large sizes, an optical probe for analyzing colors can perform multipoint simultaneous measurement, and after the optical probe is matched with a video signal figure generator for analyzing an image signal and a software operating interface, the measurement of all programming projects can be completed by quick one-button operation, so the detection system has high compatibility and stable performance; and the system has a small volume, is convenient to carry, and can be widely applied to the solution of video and color tests.

The invention relates to a culture waste water energy self circulation disposal system and a method thereof. The system comprises a filter grid, a grit basin, a solid and liquid separation pool, a large-size methane anaerobic tank, an ammonia nitrogen air stripping tower, a dual section A-O reaction pool, a sludge pool, a methane purifier and a methane power generator; the filter grid, the grit basin, the solid and liquid separation pool, the large-size methane anaerobic tank, the ammonia nitrogen air stripping tower and the dual section A-O reaction pool are connected in sequence; the dual section A-O reaction pool is connected with the sludge pool; the large-size methane anaerobic pool is connected with the methane purifier connected with the methane power generator. The disposal system and method have the following advantages that 1, harmful pollutants such as COD and ammonia nitrogen in culture waste water can be effectively removed, so the emitted waste water achieves a national standard, and environment pollution is relieved; 2, a disposal process realizes energy self circulation, and a generated fertilizer can be used for agricultural planting and cost reduction.

Embodiments of the invention provide a shunting locomotive control method and a shunting locomotive. The method comprises the following steps: acquiring the working state of the shunting locomotive, wherein the working state is specifically one selected from a group consisting of a waiting-for-working state, a light locomotive running state and a shunting state; if the working state is the waiting-for-working state or the light locomotive running state, controlling the shunting locomotive to enter the mode of power supply via a power battery, wherein in the mode of power supply via the power battery, the power battery supplies power to the shunting locomotive; and if the working state is the shunting state, controlling the shunting locomotive to enter the mode of power supply via a dieselengine, wherein in the mode of power supply via the diesel engine, the diesel engine supplies power to the shunting locomotive. Therefore, the method overcomes the problem of large current supply lossof the diesel engine when the shunting locomotive is in the waiting-for-working state and the light locomotive running state, solves the problem that the power battery has large capacity and large size, and reduces requirements on the diesel engine.

The invention relates to a mechanism which can replace manpower for moving ropes, in particular to a numerical-control rope moving mechanism used for achieving automation of a rope moving procedure in the assembling process of steel wire rope vibration isolators. The numerical-control rope moving mechanism comprises a base. A connecting plate is fixedly arranged on the front end portion of the base, a stepping motor is fixedly arranged on the connecting plate, a small synchronous pulley is connected at the output end of the stepping motor, linear guide rails are arranged on the two sides of the upper end portion of the base in the width direction respectively, a ball screw is arranged between the two linear guide rails, a large synchronous pulley is fixedly connected to the end portion of one side, close to the connecting plate, of the ball screw, and the large synchronous pulley and the small synchronous pulley are connected through a synchronous belt. According to the numerical-control rope moving mechanism, manpower is replaced by mechanical force for moving the ropes, and labor intensity of operators is reduced. Meanwhile, the problem that two or more people are needed for carrying out rope moving operations in the assembling process of the large-size steel wire rope vibration isolators is solved, manpower is saved, and cost is reduced.

The invention discloses a small liquid cooling system driven by electro-hydraulic micropumps and a method. The system comprises a liquid cooling block filled with liquid working fluid and a heat exchanger filled with liquid working fluid. An outlet of the heat exchanger is connected with an inlet of the liquid cooling block through a first loop pipeline. A first electro-hydraulic micropump is connected into a pipe of the first loop pipeline in series. An outlet of the liquid cooling block is connected with an inlet of the heat exchanger through a second loop pipeline. A second electro-hydraulic micropump is connected into a pipe of the second loop pipeline in series. The liquid cooling system not only solves the high-efficiency cooling problem of a large power electronic device, but also overcomes the defects of conventional mechanical pumps, such as large sizes, high power consumption, large noise, inaccurate flow control, etc. The system has advantages such as no moving parts, reliable operation, low power consumption, easy manufacturing and no need for maintenance. The system can be integrated with chips or channels directly and does not need independent space. The system can be applied to electronic cooling, drug transportation, micro-electro-mechanical system and other fields.

The invention discloses a method for producing 23MnB steel based on a converter flow path and belongs to the field of metallurgy. The invention aims at solving the technical problem of providing a method for producing 23MnB steel based on a converter flow path by which a small-size continuous casting machine can conduct smooth casting. The method comprises the following steps of: a, smelting in aconverter; b, when steel tapping, adding calcium carbide so that the oxygen activity of molten steel is less than 0.025%; c, refining in an LF (ladle furnace) and heating after 3.5-4.5kg of calcium carbide is added in each ton of steel, adding 0.15-0.45kg of metal aluminum in each ton of steel in the heating process, when molten steel is heated to 1570-1585 DEG C, stopping heating, and then adding titanium until the content of titanium is 0.02-0.06%, and adding boron until the content of boron is 0.0005-0.003%; and d, continuously casting. The method of the invention is applicable to a large-size continuous casting machine and can perform smooth casting on the small-size continuous casting machine.

The invention belongs to the field of water-soluble high molecular materials, and in particular relates to a method for industrially preparing polyacrylamide reverse-phase emulsion. A polyacrylamide reverse-phase emulsion product is obtained by adopting a multi-step polymerization step. The method comprises the following steps: step 1, by taking acrylamide and acrylic acid or 2-acrylamido-2-methylpropanesulfonic acid as a polymerization monomer and taking Span and octylphenol polyoxyethylene ether (OP) as an emulsifier, carrying out a small amount of polymerization to prepare the polyacrylamide reverse-phase emulsion, wherein polymerization heat is less so as to ensure that implosion dangers, caused by the fact that heat is not dissipated in time, do not occur in a polymerization process; step 2, polymerizing: carrying out further polymerization on the basis of the polymerization in the step 1, wherein partial polymerization is carried out, so that polymerization heat generated by the polymerization in step 2 is greatly reduced, an implosion phenomenon does not occur, and gel or emulsion breaking is not generated in the polymerization process. In a subsequent polymerization process, the released amount is determined according to the size of a polymerization kettle and heat releasing efficiency when one part of product is released each time. By adopting the method provided by the invention, the safety of polymerization reaction is greatly improved, the large-size polymerization kettle can be utilized, and the implosion possibility does not need to be worried, so that industrial production can be stably and safely carried out.

The invention relates to the field of medical and health care equipment, in particular to an in-body power supply module of a medical chip and a chip system. The invention provides an internal power supply module of a medical chip. The internal power supply module includes a rectification module and a voltage stabilization module. The invention also provides a chip system of the medical chip. The power module in the medical chip body provided by the present invention effectively solves the problems of large volume and weight, low precision and poor stability of the power module in the medical chip body in the prior art, improves the performance of suppressing voltage fluctuations, and has higher precision and stability.

A method for breaking large steel part by expanding when heated and contracting whee cooled includes heating and cooling. Its apparatus is composed of a heating furnace with gate, a conveying plate, and a cooling water pool.