396results about How to "High degree of generalization" patented technology

The invention discloses a direct forming manufacturing method of a metal-based multilayer/gradient composite board and a process unit of the direct forming manufacturing method. Scale, corrosion materials and other impurities on the joint surface of a base board are removed through chemical cleaning, the cleaned surface is subjected to gradient power electromagnetic induction heating or laser bombardment surface treatment, all phases near the joint surface are fully dissolved, a solid solution is enhanced, toughness and corrosion resistance are improved, the surface stress of the board is eliminated, and surface laser treatment is conducted to improve the binding property of a composite layer; raw materials of the composite layer are added and injected through powder laying, a high-energy heat source is adopted for irradiation or induction heating to melt powder, metallurgical bonding is formed between the composite layer and a base, and control over the final shape of a cold/hot-rolled board is conducted. The obtained multilayer/gradient composite board is compact in surface structure, bonding between the composite layer and the base and between layers is good, and the interlayer bonding performance of the composite board is remarkably improved. The process is high in flexibility, and the production period of the metal-based composite board can be greatly shortened after the process is combined with an existing continuous casting technology.

The present invention is a double-purpose deformable welding fixture for welding linear and curved weld seams, and the fixture has linear welding slot and curved welding slot integrated onto one pedestal to reach the double-purpose aim. The double-purpose deformable welding fixture consists of one pedestal height difference structure comprising one thickness difference step and one height regulating tab for fitting different welding thickness, and one clamping screw mechanism comprising right and left pressing boards with screw holes and corresponding cap screws. It can regulate clamping force and control welding deformation by means of novel flexible location mode, and is suitable for linear and curved welding of common steel plate, high strength steel plate, aluminum plate, etc of different sizes.

The invention discloses an LED (Light-Emitting Diode) display screen assembling component. The LED display screen assembling component comprises a locking rod, a left fixing block, a right fixing block, a pressing block, an arc-shaped groove, a positioning handle, a locking handle and a pushing block, wherein the left fixing block is locked with the arc-shaped groove through the locking rod and the locking handle; an arc-shaped sliding block which is integrally formed with the right fixing block is accommodated in the arc-shaped groove and sealed in the arc-shaped groove through the pressing block; the pushing block is connected onto the positioning handle; the pushing block is in meshing connection with the arc-shaped sliding block; the handheld part of the positioning handle is screwed tightly to fix the arc-shaped sliding block in the arc-shaped groove to form a relative radian between the left fixing block and the right fixing block. The invention further discloses an arc-shaped LED display screen. The defect that the conventional LED display screens can only be assembled into a flat LED screen or fixed-radian arc-shaped LED screen is overcome; the LED display screen assembling component and the arc-shaped LED display screen have the advantages of high universality degree, adaptability to installation in a plurality of places, high convenience in assembling and disassembling, high loadbearing capacity and stability, capacity of adjusting radian randomly within a certain angle range, and capacity of realizing seamless assembling.

The invention discloses a pilot proportional reversing valve, which comprises a main valve body and a pilot control valve arranged on the main valve body, wherein both ends of the main valve body are provided with a left end cover and a right end cover; and a main valve core and a main spring are arranged in the main valve body. The pilot proportional reversing valve is characterized in that: the pilot control valve comprises a pilot valve body and a left and a right proportion electro-magnets arranged at both ends of the pilot valve body; and a proportional reducing valve is arranged between the main valve body and the pilot valve body. The pilot proportional directional valve has the advantages of simplified structure, low cost, reduction of extravasation link, good spring guidance, high reliability and strong capability of resisting oil pollution.

The invention discloses a modular internal gear pump or a modular motor, comprising a plurality of generalized components such as a shell, an internal gear pair, an input shaft, a fixed shaft tray component, a floating shaft tray component, a flange cover component, a rear cover component and the like, so as to form a barbell type combined structure connected in series, thus realizing modularization of functions, combination of structures and universalization of parts. The invention has the advantages of good universalization of parts, flexible and simple assembly and excellent adaptability of structures, thus achieving the beneficial effects of reducing inventory of parts, shortening the cycle of production and goods delivery and reducing operation cost of products.

The invention discloses a machine-shop truck cab with reinforced turnover protector, characterized in that the special structural positions of the cab framework are added with combined beams for raising plastic deforming force, i.e. the upper and lower ends of each of the front, rear, left and right pillars are added with combined beams, separately, changing the bearing force of the pillars, and making the invention have ROPS protector and able to largely improve the universal degree of machine-shop truck cab and as the vehicle turns over, the ROPS component can bear the impact force of the ground plane, assuring any part of the deformed ROPS and the ground plane do not enter in human body limit safety region and simultaneously the ROPS has a certain energy absorbing ability to reduce impact and vibration damage to the driver. The invention has the characters of simple structure and convenient application and use.

The invention discloses a small and medium size self-propelled corncob-stem both-gaining corn combine harvester which comprises a walking base disc. The walking base disc is provided with an upper layer header, a lower header, a drive cab, a fruit-corncob conveyer, an engine, a grass chamber, a crop chamber, an oil chamber, a dialing wheel assembly, a straw feeding device and a kicker. One end of the upper layer header is connected with an installing base of the upper layer header in a hanging mode. A lower end is connected with the lower layer header through an oil cylinder of the upper layer header. The lower layer header is located below the upper layer header. One end of the upper layer header is connected with an installing base of the lower layer header in a hanging mode. The lower end of the lower layer header is connected with the walking base disc through an oil cylinder of the upper layer header. The installing base of the lower layer header and the installing base of the upper layer header are respectively connected with the walking base disc. The dialing wheel assembly, the straw feeding device and the kicker are connected with the front portion of the walking base disc. The small and medium size self-propelled corncob-stem both-gaining corn combine harvester can be used for completing corn harvest in the field, corn straw cutting, chopping, collecting and stubble cleaning operations in one time. The small and medium size self-propelled corncob-stem both-gaining corn combine harvester can not only harvest corn corncobs and straws, but also avoid resource wasting and environment pollution brought from straw burning.

The invention discloses a reconfigurable satellite integrated electronic system, which can realize fast reconfiguration of the system, improves fault-tolerant capability of the system, reduces power consumption and weight of the whole satellite and reduces waste of calculating resources. The system comprises more than two integrated service units and a 1553B bus. The more than two integrated service units are connected through the 1553B bus; one of the integrated service units serves as a bus controller BC of the 1553B bus, and the other integrated service units serve as remote terminals RT ofthe 1553B bus. The BC is configured to execute an integrated control task of on-satellite in-orbit data; one RT is configured to execute one on-satellite independent electronic function task; and when the current BC fails, one RT is switched to a new BC of the 1553B bus, and the new BC executes the integrated control task of the on-satellite in-orbit data.

The invention discloses a simulator system based on a simulation data model. The simulator system comprises a configuration unit, a simulation data model unit, a task execution logical unit, a data interface unit and an auxiliary unit. The invention further discloses a method for implementing the system. The method comprises the steps of creating an interface document, creating a simulation data model memory object, creating and connecting a data source, creating tasks and operating execution logic, crating and operating the auxiliary unit, receiving an external instruction and sending simulation data and the like. Through the interface document and the execution logic, the requirements of various simulation service logics can be met; and through the data interface unit, multi-type data interfaces (including a hardware driving interface and interfaces of other forms) can be matched. The standardization and universalization degree of a simulator are greatly improved, risks caused by service alterations are reduced, and users' investments are protected.

The invention provides an automobile jack. The automobile jack comprises a jack body (10) and a detachable jack head (20); the top of the jack body (10) is provided with a fixed jack head (14); the detachable jack head (20) is arranged on the fixed jack head (14) detachably. The automobile jack has higher universality, so that jacks with different height limits and different jack head structures can be realized, and the requirements of different vehicles on the lifting height are met; meanwhile, due to the addition of detachable jack heads with different specifications, the structural size of the jack body is reduced, so a storage space that the whole jack occupies becomes smaller, and the deployment space of the whole vehicle is greatly reduced. The jack has a simple integral structure, is convenient to operate and is low in manufacturing cost, the standardized and universal production and sale of the jack can be realized through a series of jack head heights and structures, and the automobile jack has broad market prospect.

The invention discloses a pot cover structure, and belongs to the technical field of cooking utensils. The pot cover structure comprises a pot cover body and a handle body. The pot cover structure is characterized in that the central position of one upward side of the pot cover body is provided with a concave cavity, wherein a pot cover lifting plate is arranged in the concave cavity, the pot cover lifting plate is provided with a pair of connecting seat matching cavities, the space between the pot cover lifting plate and the bottom wall of the concave cavity forms a clamping jaw moving and rising cavity, and a lifting plate fixing column is arranged at the middle position of a partition plate of the matching cavities and on the side facing the bottom wall of the concave cavity; a pot cover clamping and releasing mechanism connecting seat is arranged at one end of the handle body, wherein the central position of the pot cover clamping and releasing mechanism connecting seat is provided with a latch hook seat cavity, a pot cover clamping and releasing mechanism is arranged in the latch hook seat cavity, the pot cover clamping and releasing mechanism connecting seat is provided with a pair of buttons in a matched mode, and the buttons are distributed in a face-to-face state and extend into the latch hook seat cavity to be matched with the pot cover clamping and releasing mechanism. According to the pot cover structure, the number of handle bodies is reduced, resources are saved, and the pot cover structure is convenient to use and store in a standby state.

The invention provides a reinforced mixer with ultrasonic dispersion and temperature control functions. The mixer mainly comprises a planetary gear stirring mechanism, a lead screw sliding table, a case mechanism, an inner container, a heating ring, an ultrasonic vibration head, a beaker, a temperature sensor, a one-chip microcomputer and a control panel. An inner gearing big gear wheel of the planetary gear stirring mechanism is connected with a sleeve to form one body through interference fit; a revolution fixing mechanism controls stable rotation of a planetary gear; a driving motor drives running of a planetary gear train to realize a stirring function; a screw joint at the end part of a fixed axle balances torque of the planetary gear train, and the screw joint and a butt nut bear the weight of the planetary gear train and the stirring mechanism together. The side surface of the sleeve is provided with a fixed rod connected with a slide block of the lead screw sliding table; a stepping motor controls rotation of a lead screw so as to realize elevation and falling of the stirring mechanism; the inner container is embedded into the upper surface of a case, the ultrasonic vibration head is adhered on the lower transverse plane of the inner container, and the heating ring is fixed at the lower end of the inner container, thereby achieving heating, ultrasonic dispersion and mechanical reinforced stirring functions.

The invention discloses a stem block plant smashing device. The stem block plant smashing device comprises a motor for providing power and a machine body, wherein the motor drives a main shaft to move through a belt transmission device, and one end of the main shaft is sleeved with a moving tooth disc; a hammer is sleeved on the moving tooth disc, a rotating screen drum is arranged outside the hammer, and a coarse screen drum is arranged between the rotating screen drum and the hammer; a fine screen drum with a taper is arranged outside the rotating drum; one end of the fine screen drum is fixed on the machine body, and the other end of the fine screen drum is fixed on a fixed tooth disc; the disc surface of the moving tooth disc is provided with spike teeth; spike teeth meshed with the moving tooth disc in a staggered way are arranged on the fixed tooth disc; the moving tooth disc is connected with a cutter bar through a clamp device; and the cutter bar is provided with a first tool and a second tool in the sequence from outside to inside. The stem block plant smashing device provided by the invention has the advantages that the smashing for a stem block plant is divided into four stages, the use ratio of the stem block plant is greatly improved through ultrafine processing in four stages, more amylum in the equal stem block is extracted, resources are saved, and the stem block plant smashing device has popularization and application values.

The invention discloses a multi-mode composite steering chassis and an engineering machinery vehicle. The multi-mode composite steering chassis comprises a front vehicle frame, a rear vehicle frame, aplurality of wheels arranged on the front vehicle frame and the rear vehicle frame respectively, driving devices corresponding to the wheels, wheel steering devices corresponding to the wheels, and avehicle control unit. The multi-mode composite steering chassis has the advantages that high-speed and low-speed driving and various steering modes can be achieved, the universalization degree is high, the modular design is achieved, the design period of new products can be shortened to a certain extent, and the purchasing cost is reduced; a manual mode and an automatic mode are adopted to selecta steering mode so that a smaller turning radius at a low rotating speed and the steering running stability of the vehicle at a high rotating speed can be realized, and the steering capacity and thepassing capacity of the vehicle are improved; and meanwhile, mechanical limiting and sensor signal acquisition are added so that the driving safety is improved.

The invention discloses a double-adjustment combined seed-metering device for adjusting the seeding quantity and the seeding grain distance, and belongs to agricultural machinery. A supporting plate, an upper disc, an arc-shaped seed box and a seed box limiting cover cylinder are sequentially assembled in an annular frame from bottom to top in a supported mode through rollers, a track disc is fixedly installed on the lower end face of the supporting plate through bolts, a seeding quantity adjusting knob is inserted in the center of the upper disc and the center of the supporting plate, and a grain distance adjusting knob is inserted in the center of the seeding quantity adjusting knob. A grain distance adjusting disc fixedly installed at the lower end of a grain distance adjusting knob is hinged to a lower seed containing pipe through a connecting rod, an upper seed containing pipe and the lower seed containing pipe are assembled on an upper disc and a supporting plate respectively in a radial moving mode, the upper seed containing pipe is inserted into the lower seed containing pipe in a vertically moving mode, and a power frame is arranged on the lower portion of a track disc. A power output shaft of the bevel gear transmission box is fixedly mounted with the power frame; according to the device, the seeding quantity and the seeding grain distance can be adjusted on one seed-metering device, and the device is unique and reasonable in structure, wide in application range, high in adaptability and simple and convenient to adjust and operate.

A method for arranging the engine at the position behind the middle bridge of coach and using the front air inflow to cool the engine is disclosed. The engine is connected to the shell of clutch. The power of engine is transmitted to the drive shaft via clutch and the output shaft of speed variator and in turn to the wheels on back bridge via input flange, drive gear, driven gear, differential gear and semi-axle. Its advantages are flat floor, low noise and easy maintenance.

A high-performance universal multi-channel radar system comprises a millimeter wave short-range imaging high-frequency front-end assembly, an intermediate frequency processing assembly, a data acquisition assembly, a comprehensive signal processing assembly and a microwave source assembly. The high-frequency front-end assembly comprises a radio frequency and local oscillator signal generation module, a signal distribution and calibration network module, an antenna and a radio frequency channel array module, and realizes generation of radio frequency and primary local oscillator signals, and reception, amplification, filtering and primary down-conversion of echo signals. The intermediate frequency processing assembly realizes amplification, filtering and secondary down-conversion of echo signals. The data acquisition assembly is used for realizing echo signal acquisition and signal preprocessing. Real-time imaging of echo data is achieved through the comprehensive signal processing assembly. The microwave source assembly realizes generation of a clock reference signal, a synchronous signal and a secondary local oscillator signal. Resource waste caused by repeated design and development under same requirement or similar requirement is avoided, the design efficiency is effectively improved, and universality and flexibility are enhanced.

The invention relates to a big data-based industry trend accurate prediction method and system. The method comprises the steps of obtaining massive enterprise data; according to the massive enterprise data, locating subdivided industries of enterprises; according to the subdivided industries and the massive enterprise data, obtaining a micro-index library; establishing a life cycle index library for each subdivided industry; for a sample industry needed to be predicted, predicting an upward or downward development trend of the sample industry by utilizing the micro-index library; and for the sample industry needed to be predicted, predicting a life cycle in which the sample industry is located by utilizing a life cycle index library. According to the method and the system, the massive enterprise data is obtained; in combination with accurate locating of the subdivided industries of the industry, the micro-index library is formed for predicting the upward or downward development trend of the industry; the life cycle index library is established for predicting the life cycle of the industry; the accuracy of prediction and analysis is improved; certain industries can be separately controlled; the defects of macroscopic industry prediction analysis can be made up for; and the universality degree is high.

The invention relates to an electric portable fertilizer-and-seeder and belongs to the field of agricultural machinery. The electric portable fertilizer-and-seeder comprises a switch, a grip, a storage battery, a seed case, a drive rod, a gear, a manure box, a flywheel, a rolling wheel, a duckbill connecting rod, a cam, a triangular pull rod, a seed collection box, a manure collection box, a fixed seeding duckbill, a movable seeding duckbill, a fixed fertilizing duckbill, a movable fertilizing duckbill, a sector gear, a connecting shaft, a connecting rod, a shifting fork, a reset spring, a planting wheel, a grain number adjusting control board, a seed collection pit, a ratchet, a motor, a coupler, an electric transmission mechanism and a butt strap; the electric transmission mechanism comprises a rotatable spindle, an eccentric block, a bearing I, a fixing block, a bearing II, an oscillating rod and a guide rod. By the arrangement, working efficiency in agriculture mechanization production is greatly improved, land fertilization can be performed according to cultivation of different crops and different seasons, and the utilization rate of fertilizer can be increased.

A touch induction type speed regulator of cleaner is composed of an operation knob arranged on the casing of cleaner and consisting of an acceleration piece and a deceleration piece and a speed regulating circuit connected to said two pieces for regulating the speed of motor and consisting of input buffer, phase lock ring, state and phase angle memory, digital comparator, driver and SCR.