89results about How to "High efficiency requirements" patented technology

The invention discloses a heavy-load precise double-arm manipulator with arms cooperating with each other in a space. The manipulator comprises a linkage guide rail assembly, the load-bearing mechanical arm used for bearing weights and the assistant positioning mechanical arm used for guaranteeing workpiece positioning precision. Because the load-bearing mechanical arm and the assistant positioning mechanical arm can cooperate with each other in the space, it is guaranteed that the whole manipulator structure has high load bearing capacity and also has high positioning precision, the problem of contradiction between the load bearing capacity and precision of existing manipulators is solved, and the requirements for clamping of workpieces with different shapes, high surface precision, high efficiency and high safety performance are met.

The invention discloses a satellite MPLS (multi-protocol label switching) network flow rate balancing method based on an SDN (software defined network) controller. An SDN controller is put on a network edge; the control plane of network equipment is separated from the data plane; the functions of the control plane are concentrated onto a special controller, so that the equipment complexity in the network is reduced. The data plane and the control plane are decoupled, and an SDN obtains great flexibility, so that the network has the characteristics of high expandability, easy maintenance, programmable performance and open performance. According to the method, the SDN controller peripherally collects network topology and network state information from a router/interchanger in a data plane through an OpenFlow protocol of a southbound interface; through calculation, the available bandwidth condition of each link is obtained, so that whether the path jam occurs or not is judged; whether the flow rate dispatching is needed or not is judged; the goal of collecting and analyzing the whole network flow rate distribution condition in real time is achieved; the link flow rate is reasonably deployed, so that the flexible control of the network flow rate is realized; in addition, the bandwidth resource utilization rate can be better improved.

The invention relates to a double-arm transmission robot applied to a clean environment, which is used for the transmission and high-precision positioning placement of a large-diameter semiconductor silicon wafer in a high-cleanliness environment. The double-arm transmission robot is in the structural form of R-theta type and has the working principle of a space structure based on a cylindrical coordinate system and the characteristic of independent control of all motion shafts. The double-arm transmission robot mainly comprises an R-axis left arm mechanism, an R-axis right arm mechanism, a T-axis rotating mechanism, a Z-axis lifting mechanism, and the like and seals the pollution of a drive mechanism on an external environment by adopting a special seal device so as to be suitable for the high-cleanliness production environment requirement.

The invention provides a multi-way asymmetrical Doherty amplifier, which comprises a multi-way power splitting network circuit, a carrier amplifier, at least two peak amplifiers and an output power combination and impedance conversion network circuit. An input end of the carrier amplifier and input ends of the peak amplifiers are respectively connected with the multi-way power splitting network circuit, and an output end of the carrier amplifier and output ends of the peak amplifiers are respectively connected with the output power combination and impedance conversion network circuit. In the peak amplifiers, the power of the first peak amplifier is 0.7-1.3 times of that of the carrier amplifier, and the power of the other peak amplifiers is doubled gradually with the doubling coefficient ranging from 1.5 to 2.5. When GSM (global system for mobile communication) multi-carrier signals with the peak-to-mean ratio of 7dB are output while the circuit of a three-way asymmetrical Doherty amplifier returns by 7dB, the efficiency can be over 56%, and higher peak-to-mean ratio and efficiency requirements can be met along with increase of the stage number of the peak amplifiers.

The invention discloses a virtual simulation method and system of a camera motion control system in film shooting, and belongs to the technical field of camera control. The method and the system cause a film creator to more visually regulate the motion track and the picture sequence of the camera according to own operation habits and visual angles, picture planning and the like in the early stage of film shooting, utilizes three-dimensional virtual simulation to design a satisfactory lens effect for the creator, automatically calculates the parameters of the camera motion control system which plans to be adopted, and precisely controls the space coordinates of the camera lens so as to improve the interaction of the camera motion control system, save the shooting cost of the lens which uses the camera motion control system and greatly improve the digital manufacture quality and efficiency of the film.

The invention discloses a three-degree-of-freedom rotating platform. The three-degree-of-freedom rotating platform comprises a Z-axis driving module, a Z-axis transmission module, a Y-axis driving module, a Y-axis transmission module, an X-axis driving module, an X-axis transmission module and a base (1) which is used for bearing all the driving modules and the transmission modules, wherein the Z-axis driving module and the Z-axis transmission module are used for driving a rotating platform body (22) to rotate around the Z axis, the Y-axis driving module and the Y-axis transmission module are used for driving the rotating platform body (22) to rotate around the Y axis, and the X-axis driving module and the X-axis transmission module are used for driving the rotating platform body (22) to rotate around the X axis. The X axis, the Y axis and the Z axis are perpendicular to each other in a pairwise mode and are orthogonal at one point as coordinate axes. The three-degree-of-freedom rotating platform has the advantages of being simple in structure, easy to control, and meanwhile capable of meeting the high precision and high efficiency requirements for testing and calibrating of a precise instrument.

The automatic search method for discrete feature point cloud belt in 3D scanning system comprises: dividing the point cloud into cubic blocks every contained only one point; calculating the near one for every point to obtain its normal vector by LSM and the curvature; then, dividing whole cloud data to obtain the feature belt. This invention overcomes defect in prior art and has well effect.

The invention discloses an intelligent dining room. The intelligent dining room comprises a food delivery unit and a dining table service unit, wherein the food delivery unit and the dining table service unit are correspondingly provided with a food delivery tray and a manipulator respectively by virtue of conveying arms; each conveying arm is of a three-section composite structure formed by a conveying arm upper section, a conveying arm middle section and a conveying arm lower section; the conveying arm upper section is arranged on an overhead guide rail in a horizontal moving mode, and a self-walking driving unit is arranged between the conveying arm upper section and the overhead guide rail; the conveying arm middle section is arranged on the conveying arm upper section in an up-and-down moving mode, and a first lifting driving unit is arranged between the conveying arm upper section and the conveying arm middle section; and the conveying arm lower section is arranged on the conveying arm middle section in the up-and-down moving mode, and a second lifting driving unit is arranged between the conveying arm lower section and the conveying arm middle section. The intelligent dining room has the beneficial effects of high food delivery speed, complete service function, high space utilization rate, good service quality, high efficiency, simple structure, compact arrangement, high manufacturing efficiency, low manufacturing and use cost and long service life.

The invention discloses a horizontal double connecting rod bearing pin insert-draw mechanism for cranes; a first pin drawing plate (1) and a second pin drawing plate (13) are respectively fixed on a bearing pin (12) and a second bearing pin (14); an expansion oil cylinder (15) is provided with a power oil cylinder (9); the piston rod of the power oil cylinder (9) is hinged with a first connecting rod (5) and one end of a second connecting rod (19) and provided with a spring reset mechanism and a limit mechanism; the expansion oil cylinder (15) is hinged with a first swing rod (2)and a second swing rod (16); one end of the first swing rod (2) is drivingly connected with the first pin drawing plate (1), and the other end is hinged with the first connecting rod (5); one end of the second swing rod (16) is drivingly connected with the second pin drawing plate (13) and the other end is hinged with the second connecting rod (19). The invention is a horizontal double connecting rod bearing pin insert-draw mechanism for cranes which has the advantages of simple and compacted structure, convenience in installation and maintenance, stable and reliable performance, and the improved efficiency of the complete machine, and is widely applicable in the series products of large-tonnage crane.

The invention relates to a material compounded by a magnetic material and a binding material and a preparation method thereof, wherein the magnetic material is flaky and has orientation property. The material is prepared by the following method: firstly, evenly mixing flaky soft magnetic metal powder with the uncured binding material with volume ratio of 1-9:9-1; secondly, putting the evenly-mixed compound into a mould made of a nonconductive magnetic material; and finally, placing the mould in a magnetic field with 10 to 10 Tesla, making the mould rotate in the magnetic field at a rotational speed of between 1 to 20 revolutions/minute for more than 1 minute, and curing the binding material.

The invention discloses austenite heat-resistant valve steel and a manufacturing method thereof. The steel comprises the following components, by mass percentage, 0.45-0.55% of C, 0.08-0.45% of Si, 8.00-10.00% of Mn, 20.00-22.00% of Cr, 3.50-5.00% of Ni, no more than 0.30% of Cu, 0.80-1.50% of W, 0.45-0.55% of N, 1.80-2.50% of Nb, no more than 0.02% of Al, no more than 0.010% of Mg, 0.001-0.01% of Ca, 0.001-0.006% of B, and 0.005-0.020% of RE, with the balance being Fe and inevitable impurities, wherein C+N>=0.09, Nb/C is in a range of 2-5, and (Mn+Si)>=200. The manufacturing method mainly comprises smelting, casting, blooming, rolling, complete solution and aging treatment.

The invention relates to a rice seedling sowing mechanism matched with a rice seedling sowing machine with stepless and rapidly-adjustable row space. The rice seedling sowing mechanism comprises a seedling collecting bucket, a seedling placing device, a rice nutritional bowl box plate, and a rice seedling grabbing mechanism. The rice nutritional bowl box plate and the rice seedling grabbing mechanism are arranged above the seedling collecting bucket. The seedling placing device is placed inside the seedling collecting bucket, and is provided with a step motor, a synchronous tooth-shaped belt, a synchronous tooth-shaped belt wheel, and two parallel synchronous conveying belts formed by flexible projections, wherein the flexible projections are uniformly arranged and fixed on the synchronous tooth-shaped belt. The rice seedling grabbing mechanism grabs the rice nutritional bowl placed on the rice nutrition bowl box plate, and places the rice nutritional bowl on the seedling collecting bucket between the two parallel synchronous conveying belts. The bottom of the seedling collecting bucket is provided with a seedling discharge port. The two parallel synchronous conveying belts with the flexible projections of the seedling placing device push the rice nutritional bowl on the seedling collecting bucket, such that the rice nutritional bowl glides to the seedling discharge port of the seedling collecting bucket so as to sow the seedling into the field. According to the present invention, the rice seedling sowing mechanism of the present invention has characteristics of stable operation, compact structure, and flexible operation, and is suitable for the rice sowing operation with characteristics of precise sowing and less seed injuring; and the requirements of precise sowing, accurate seed placing, cavity reducing and high efficiency can be met.

The tunnel combustion chamber and its constitute of burning coal and organism without smoke and dust relate to boiler, furnace and aerify equipment whose fuel is coal and organism. The tunnel combustion chamber has wide fuel scope. It can carry out the cleanness combustion of the smoke raw coal, the spread coal, the organism, the type coal and the biologic coal. It applies the biologic fuels reasonably and has high thermal efficiency. It realizes the large-scale and mechanical burning. The invention resolves the problem of pollution atmosphere environment by coal burning device. It makes the equipments the cleanness combustion when burning the coals. The small equipment doesn't need air blast and induced air and it can burn. And it doesn't need the ash handling equipment to protect the environment. The invention sends the vapour to the tunnel combustion chamber. It is used to restrain the smoke and translate to the gas fuel. It carries out cleanness combustion when realizes the increase the combustion value of the fuels. It lowers the resources depletion and relief the energy strain. It creates a condition for pushing economy social overall coordination sustained developing.

The invention discloses an automatic walnut shell opening device, and relates to a shell opening device. The automatic walnut shell opening device comprises a walnut shell opening mechanism, a walnutclamping and rotating mechanism, an automatic walnut feeding mechanism, an automatic walnut discharging mechanism and a control mechanism, wherein the walnut shell opening mechanism is matched and connected with the lower end of the walnut clamping and rotating mechanism, the upper end of the walnut clamping and rotating mechanism is matched with the lower end of the automatic walnut feeding mechanism, the walnut clamping and rotating mechanism is further matched and connected with the automatic walnut discharging mechanism, input ends of the walnut shell opening mechanism, the walnut clampingand rotating mechanism, the automatic walnut feeding mechanism and the automatic walnut discharging mechanism are respectively connected with the output end of the control mechanism. The automatic walnut shell opening device can realize the automatic shell opening of walnuts, does not need to open shells of walnuts manually one by one to be very convenient to use, and also has the characteristicsof being high in efficiency, low in the labor intensity of workers, and reasonable and reliable in structure, and easy to popularize and use.

The invention discloses a marine high-strength steel plate double-wire submerged-arc welding process. An EH47 high-strength anti-cracking steel plate is selected, the thickness of the EH47 high-strength anti-cracking steel plate is 50-100 mm, a double-wire submerged-arc welding process with a front wire as a fine welding wire and a rear wire as a thick welding wire is adopted, and high-efficiencywelding of low heat input is realized. According to the marine high-strength steel plate double-wire submerged-arc welding process, the design requirements of the EH47 high-strength anti-crack steel plate welding joint high standard are met while the high efficiency of the double-wire submerged arc welding is guaranteed, so that the optimization of the welding quality and the efficiency is realized. The marine high-strength steel plate double-wire submerged-arc welding process is high in practicability, simple and convenient in welding operation, efficient and energy-saving, and is suitable for building and popularization and application of container ships.

The invention relates to a multi-condition design method for a multi-phase mixed transportation axial flow pump impeller. The geometric parameters of an axial flow impeller are linked with the performance requirements of a plurality of conditions of an axial flow pump, and the axial flow pump capable of working normally under the conditions is designed through regulation of the geometric parameters of a blade. By adopting the design method, the working performance curve of the axial flow pump can be consistent with a practically-required performance curve; the design method is particularly suitable for a normal running situation under a plurality of conditions; meanwhile, the pump can keep high efficiency in a plurality of multi-phase-flow conditions by controlling the rotating speed, specific speed and the like of the pump.

The invention discloses a meal sending device for an intelligent dining room. According to the meal sending device, a meal sending tray is arranged through a conveying arm and is of a three-section combined structure composed of a conveying arm upper section, a conveying arm middle section and a conveying arm lower section. The conveying arm upper section is arranged on an aerial guide rail in a horizontal movement manner. A self-walking drive unit is arranged between the conveying arm upper section and the aerial guide rail. The conveying arm middle section is arranged on the conveying arm upper section in an up-down movement manner. A first lifting driving unit is arranged between the conveying arm upper section and the conveying arm middle section. The conveying arm lower section is arranged on the conveying arm middle section in an up-down movement manner. A second lifting driving unit is arranged between the conveying arm lower section and the conveying arm middle section. The meal sending device has the beneficial effects that the meal sending speed is high, efficiency is high, and the space utilization rate is high; and the structure is simple, layout is compact, the manufacturing efficiency is high, the manufacturing and using cost is low, and the service life is long.

The invention discloses a wastewater electrochemical treatment control system private database establishment method. The method comprises the following steps: (1) original parameter information of wastewater before treatment and the wastewater before treatment that uploaded by a data acquisition device are acquired and stored to establish a database index; (2) random technical data support is provided for wastewater electrochemical treatment module parameter adjustment and production process management and control according to the data uploaded by the water quality detector in the wastewater treatment production process; (3) and the data transmission communication protocol and data reproduction, transfer and encryption functions are configured. The invention also discloses a wastewater electrochemical treatment control system private database establishment device. The wastewater electrochemical treatment control system private database establishment method and the device thereof provided in the invention can be used to lay a good foundation for the improvement of the wastewater treatment water quality standard accuracy and the electrochemical treatment efficiency, and the reduction of the production energy consumption.

The invention provides a method for dynamically generating a public opinion brief report. The method comprises the steps that: a system management user establishes a public opinion brief report template, configures and defines basic elements, issues by one key after the public opinion brief report template is completed, and thereby a public opinion brief report model is formed; in a downstage business process, a business operating user selects public opinion brief report business, also selects the type and time condition of the brief report, and invokes the background public opinion brief report template and business data in a database to generate the public opinion brief report. According to the method, effective inheritance and fusion of original data analysis result are achieved, data interaction during a public opinion brief report producing process is greatly enhanced, repeated data organizing time in the public opinion brief report is reduced, and reusability is achieved.

The invention relates to the technical field of lens processing, and provides an optical lens processing method, which is used for processing the optical lens and comprises the following steps of 1, determining processing data of the optical lens, 2, according to the processing data of the optical lens, roughly grinding the optical lens through a spherical surface milling and grinding machine, andreserving allowance, and 3, fixing the optical lens subjected to rough grinding to a clamping jig, and using a ball head cutter for conducting accurate grinding on the optical lens. The invention also provides an optical lens and a laser field lens. According to the optical lens processing method, the efficiency and precision requirements of a subsequent polishing process and an edge cutting process can be effectively improved, the surface roughness, curvature radius precision and concentricity of the optical lens processed through the method are greatly improved, and a laser field lens adopting the optical lens is high in laser transmittance.

The invention provides a flange drilling indexing disc. The indexing disc comprises a base, a rotating shaft, an upper ratchet wheel, a lower ratchet wheel, a table top fixing shaft seat and a flangefixing table top, wherein the rotating shaft is arranged on the base, and the flange fixing table top is connected with the table top fixing shaft seat; a containing cavity is concavely formed in thebase, one end of the rotating shaft is connected with the base, and the other end of the rotating shaft is connected with the flange fixing table top; the upper ratchet wheel and the lower ratchet wheel are arranged in the containing cavity in a stacked mode, and the rotating shaft penetrates through the upper ratchet wheel and the lower ratchet wheel at the same time; the table top fixing shaft seat is arranged at the top of the base, and the inner side of the table top fixing shaft seat is connected with a table top rotating shaft seat through table top fixing balls; table top rotating ballsare arranged between the table top fixing shaft seat and the flange fixing table top; and two ratchet wheel clamping pins are inserted into the circumferential wall of the base, one end of each ratchet wheel clamping pin extends into the containing cavity, and the other end of each ratchet wheel clamping pin is located outside the peripheral wall of the base. The flange drilling indexing disc ishigh in precision, time-saving and labor-saving and capable of improving the drilling operation efficiency of a radial drill and the flange drilling quality at the same time.

The present invention discloses a cam-type split telescopic pin mechanism for crane. It includes upper cover plate, slide plate, main body upper portion, telescopic pin, main body lower portion, reset spring, lower cover plate and connecting board. The main body upper portion and main body lower portion are connected to form telescopic pin mechanism main body. The main body upper portion and main body lower portion are positioned between upper cover plate and lower cover plate, the telescopic pin and the slide plate connected with one-way action cylinder by means of connecting board are mounted between the main body upper portion and main body lower portion, the pin shaft extended from two sides of the telescopic pin are respectively slide-set in the central cam groove of slide plate and curved groove cut on the telescopic pin mechanism self-body, the tail end of said telescopic pin is connected with a reset spring.

The invention discloses an intelligent power distribution network safe operation management system based on big data feature recognition. The system comprises a power transmission line segment marking module, a power transmission line segment basic parameter acquisition module, a power transmission line segment position acquisition module, a power transmission line segment detection point arrangement module, a safety database, a pressure detection module, a power transmission parameter detection module, a parameter processing center, a management server, a distance matching tracking module, a display terminal and a power distribution network management center. The whole power transmission line is divided into a plurality of power transmission line segments, and the external pressure danger coefficient and the power transmission danger coefficient of each power transmission line segment are counted, so the comprehensive operation danger coefficient of each power transmission line segment is obtained, and the power transmission line segments in a dangerous state are counted according to the comprehensive operation danger coefficient of each power transmission line segment; therefore, targeted processing is carried out, the safe operation level and management efficiency of the power distribution network are improved, and the personal safety of people around the power distribution network is guaranteed.