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80results about How to "Improve work speed" patented technology

Position and posture measuring system and method for mechanical equipment

The invention relates to a position and posture measuring system and method for mechanical equipment. The position and posture measuring system is characterized in that: four laser distance-measuring modules are arranged at the top of an alley at the back of the mechanical equipment to measure points of special positions on the mechanical equipment so as to obtain four different distances; position offset of the mechanical equipment relative to a predetermined track and angular offset of the mechanical equipment on a vertical surface are calculated based on the four distances; offset data is transmitted to a central processing system on the mechanical equipment through a wireless communication module; position and posture parameters of the mechanical equipment and positioning navigation data can be obtained in combination with a dip angle of the mechanical equipment relative to a horizontal plane, wherein the dip angle is measured by a triaxial acceleration sensor which is arranged onthe mechanical equipment; and the central processing system is used for transmitting the positioning navigation data to a control box of the mechanical equipment. The position and posture measuring system has the advantages of high measuring speed, good real-time performance, high measurement accuracy and no accumulated error, and is suitable for the position and posture measurement as well as the positioning navigation of underground mechanical equipment.
Owner:WUHAN UNIV OF TECH

Film pasting jig

The invention provides a film pasting jig. The film pasting jig comprises a base platform, a base plate bearing part for bearing a base plate, and a film bearing pat for bearing a film; the film bearing part is hinged to the base platform and can be rotated relative to the base platform to reach a closing station and an opening station; when the film bearing part is at the closing station, the bearing surface of the film bearing part is opposite to the bearing surface of the base plate bearing part, so that the first part of the film can be in contact with the first part of the base plate; the base plate bearing part is movably arranged on the base platform and can horizontally move in the direction of the bearing surface of the base plate bearing part after the film bearing part is at the closing station, and then the bearing surface of the base plate bearing part can move relative to the bearing surface of the bearing part to enable the second part of the film to be attached to the second part of the base plate. The film pasting jig is simple in structure and convenient to operate; compared with the method of pasting the film by a full-automatic device, the film pasting jig has the advantages that the cost is saved, and the production capacity is remained; the working speed and the pasting precision are superior to those of manual film pasting.
Owner:HEFEI BOE OPTOELECTRONICS TECH +1

Standing corn harvest machine cutting bench

The invention discloses standing corn harvest machine cutting bench, including reciprocating cutting device, machine skeleton, corn stem separator, corn stem prodding chain, flexible leaf stirring auger, leaf removing board, pressing pole, corn stem support pole, stem pressing pole, tassel pick board, long stretch stem roll, short stretch stem roll and more. Two units of corn stem separator is symmetrically installed at machine skeleton front most end, one unit of corn stem separator back lower part is arranged with chain wheel, the other back lower part is provided with pressing pole, chain wheel is joined with head moving chain wheel through corn stem prodding chain, pressing pole faces towards corn stem prodding chain, corn stem prodding chain and pressing pole front lower part is installed with flexible leaf stirring auger and leaf removing board, long, short stretch stem rolls and pull moved stretch stem roll are put at machine skeleton back section, the front of long, short stretch stem rolls and pull moved stretch stem roll is arranged perpendicular tassel pick board, back section of two parallel units of stem support pole is installed above tassel pick board, the front is installed on corn stem separator machine skeleton, 2 / 3 size of which is placed with the stem pressing pole, the device works reliably, bites no tassel, and possesses good flexibility.
Owner:SHANDONG UNIV OF TECH

Cold continuous rolling mill starting control optimization method and device

The invention provides a cold continuous rolling mill starting control optimization method and device. The method comprises the following steps that a first rolling force parameter corresponding to strip steel with the target thickness is set for a rolling mill according to the strip steel with the target thickness needing to be rolled; rolling mill starting is carried out according to a preset initial rolling force parameter and the first rolling force parameter; according to tension data between adjacent machine frames of the rolling mill and a preset first judgment condition, a second rolling force parameter is obtained; when the thickness of the strip steel at an outlet of each machine frame in the rolling mill meets a second judgment condition, the rolling speed of the rolling mill isincreased; and then, the roll bending force of a working roller and a middle roller of the tail machine frame of the rolling mill is adjusted until the deviation between the thickness of the strip steel at the outlet of the tail machine frame and the target thickness meets a preset error condition, and a final rolling force parameter is obtained according to the second rolling force parameter andthe parameter which is being used by the rolling mill. According to the method and the device, the control precision of the rolling mill can be greatly improved, and the success rate of starting rawmaterial plates of new type of steel is improved.
Owner:SHOUGANG ZHIXIN QIAN AN ELECTROMAGNETIC MATERIALS CO LTD

Indoor and field integrated system based on dam three-dimension forward intersection measurement

The invention discloses an indoor and field integrated system based on dam three-dimension forward intersection measurement. The system comprises field airborne software based on total station development and an indoor data processing and management system based on Windows system development, wherein the field airborne software comprises a survey station preparation module, a measurement learning module and an automatic measurement module; the indoor data processing and management system comprises a data transmission module, a data preprocessing module, a data adjustment module, a data management query module and an output module. The system has complete functions and a unique algorithm, and forms automated and integrated operation of data gathering, processing, management, analysis, mapping and outlet of dam appearance three-dimension forward intersection measurement. Compared with the prior art, the system has the advantages that the automation degree and the reliability are greatly improved compared with the traditional method, and the system not only improves the operation efficiency, but also reduces the operation intensity, and has applicability and generalization performance in the appearance measurement of similar dams at home and abroad.
Owner:HOHAI UNIV

High-speed low-noise semiconductor device structure and method for forming same

The invention provides a high-speed low-noise semiconductor device structure and a method for forming the same. The structure comprises a substrate, a relaxation silicon germanium (SiGe) transition layer and a high-Ge component strain layer, wherein the relaxation SiGe transition layer is formed on the substrate; the high-Ge component strain layer is formed on the relaxation SiGe transition layer; the high-Ge component strain layer is provided with a groove, a strain silicon-carbon (Si-C) alloy cap layer, a T-type gate structure and source and drain electrodes; the strain Si-C alloy cap layer is formed on the high-Ge component strain layer; the T-type gate structure is formed on a part of the strain Si-C alloy cap layer and covers the groove; and the source and drain electrodes are formed on two sides of the T-type gate structure. In structures of a P-channel metal oxide semiconductor (PMOS) device and an N-channel metal oxide semiconductor (NMOS) device provided by the embodiment of the invention, a hole potential well can be generated in a high-Ge component strain SiGe layer or a high-Ge component strain Ge layer by arranging two low-Ge component strain SiGe layers or strain Si-C alloy layers above and below the high-Ge component strain SiGe layer or the high-Ge component strain Ge layer, so that hole mobility and electron mobility can be improved, and the performance of the device is improved greatly.
Owner:TSINGHUA UNIV

Hydraulic processing method of glass fiber reinforced plastic product

The invention relates to a hydraulic processing method of a glass fiber reinforced plastic product. The hydraulic processing method sequentially comprises the following steps in each working cycle: (1) quick down-moving of a sliding block: pressure oil enters a middle cylinder and side cylinders, a return cylinder communicates with an oil tank, and the sliding block moves downwards quickly; (2) slow down-moving and pressurizing of the sliding block: the middle cylinder is used for independent pressing, the side cylinders are used for independent pressing, the middle cylinder or the side cylinders are firstly used for independent pressing, then the other cylinders are used for joint pressing, and the return cylinder provides support back pressure; (3) pressure maintenance of the sliding block; (4) pressure relief of the sliding block: the middle cylinder and the side cylinders communicate with the oil tank; (5) ejecting-out of a mold opening cylinder: the pressure oil enters a lower cavity of the mold opening cylinder, an upper cavity of the mold opening cylinder returns oil to the oil tank, and a piston rod of the mold opening cylinder pushes the sliding block to move upwards for acertain distance, so that an upper mold and a lower mold are separated; (6) returning of the sliding block: the pressure oil enters the return cylinder, and the sliding block moves upwards; and (7) drawing-back of the mold opening cylinder: the pressure oil enters the upper cavity of the mold opening cylinder, so that the piston rod of the mold opening cylinder is enabled to retract, and the lower cavity of the mold opening cylinder returns oil to the oil tank. According to the hydraulic processing method of the glass fiber reinforced plastic product in the invention, pressing processes withdifferent tonnages can be adopted, the working efficiency is high, and the product quality is good.
Owner:江苏扬力液压装备有限公司

Quick planting technology and device based on zero shift

The invention relates to a quick planting technology and device based on zero shift and provides a zero-displacement crop planting technology which adopts double-shift driving and can shorten punching time, wherein a punching body swings, moves backward and then quickly gets in and out soil for carrying out crop planting, so that working performance and quality are improved. The quick planting device mainly comprises a rack, a double-crank cradle connecting rod mechanism, a speed increasing device and a punching body, wherein the double-crank cradle connecting rod mechanism is respectively hinged with the rack and the speed increasing device, and the punching body can freely slide in the speed increasing device; an obtuse angle is kept between the punching body and the advancing direction of a vehicle when the punching body gets in the soil under the action of the double-crank cradle connecting rode mechanism, and an acute angle is kept between the punching body and the advancing direction of the vehicle when the punching body gets out the soil; the speed increasing device slides relatively to a pin shaft by virtue of a rotating part, the punching body quickly gets in the soil under the action of rotating cranks in a process that the punching body gets in the soil, and a spring stores energy; and in a process that the punching body gets out the soil, the spring releases energy, and the punching body quickly gets out the soil. The quick planting technology has the advantages that punching time can be shortened, operating speed is improved, and punching quality is guaranteed.
Owner:NORTHWEST A & F UNIV

Traveling wave electrode gradual change coupling ridge waveguide InP double-heterojunction photo transistor

The invention discloses a traveling wave electrode gradual change coupling ridge waveguide InP double-heterojunction photo transistor. A double-heterojunction structure is adopted, the traveling wave electrode gradual change coupling ridge waveguide InP double-heterojunction photo transistor comprises an (e-b) heterojunction which is composed of an InP emitter region and an InGaAsP base region and a (b-c) heterojunction which is composed of an InGaAsP base region and an InGaAsP collector region, and a traditional heterojunction photo transistor e-b junction single-heterojunction structure is replaced. The InGaAsP base region with high doping concentration is used as a photo-absorption layer of the double-heterojunction photo transistor. A gradual change coupling ridge waveguide structure which is formed by the InGaAsP base region, the InGaAsP collector region and an InGaAsP secondary collector region is adopted, so that probed light is detected and absorbed by a side edge, and the mode that traditional HPT light is in vertical incidence from the top end is replaced. The light transmission direction is perpendicular to the carrier transportation direction, and light absorption efficiency and working speed can be respectively optimized. A traveling wave electrode which is formed by an emitter electrode and a collector electrode is arranged, the distribution effect of a traditional electrode in the transmitting process of high-frequency signals can be effectively reduced, the influence of stray capacitance on high-speed transmission is decreased, and the working speed of the device is further increased.
Owner:BEIJING UNIV OF TECH

Full-automatic digital control slip form machine roadbed side ditch construction method

The invention relates to the technical field of the side ditch construction and in particular to a full-automatic digital control slip form machine roadbed side ditch construction method. The construction method comprises the following steps: through installing a full-automatic digital control slip form machine for side ditch construction, wherein the full-automatic digital control slip form machine comprises an outer side template and a concrete pouring module, in a working process, forming a cavity for pouring concrete by matching a surface of the outer side template and a ditch surface of the side ditch, through the concrete pouring module, pushing the concrete into the cavity and extruding to form a concrete layer, wherein the full-automatic digital control slip form machine further comprises a walking module, a guiding module and an automatic joint-cutting module, through the walking module and the guiding module, enabling the full-automatic digital control slip form machine to bewalked along a direction of the ditch, and joint-cutting automatically. The related construction method comprises the steps of construction preparation, side ditch excavation, side ditch cast-in-situforming, secondary plastering and checking. The new side ditch construction method is capable of combining with functions of automatic walking, automatic guiding and automatic joint-cutting, solvinga problem that a traditional side ditch construction method is complicated in process, and improving working efficiency.
Owner:CHINA RAILWAY 23RD BUREAU GRP NO 1 ENG

Long-spiral drilling machine

The invention discloses a long-spiral drilling machine. The long-spiral drilling machine comprises a machine body, a power head, a mud-scraping device, a walking device and a power device. The power device is connected with a drilling rod and used for driving the drilling rod to rotate around the axis thereof. One end of the drilling rod is provided with a drill bit. The long-spiral drilling machine further comprises a column, on which a protection cylinder is arranged. One side of the protection cylinder is provided with the mud-scraping device used for cleaning the drilling rod/or the drill bit. The long-spiral drilling machine has following beneficial effects: the long-spiral drilling machine is simple in structure, firm and reliable and is attractive in appearance and used flexibly; application, maintenance and repair are conducted conveniently; machine moving efficiency is high and labor intensity of workers is greatly reduced; production efficiency is improved and production cost is saved; assembly and disassembly are easy and convenient; the main machine can be loaded on a flat car by utilizing a chassis system so that time spent on transferring the machine is greatly shortened and transfer workload is reduced; and adhesions of the drill bit and the drilling rod can be eliminated in a real-time mode so that work quality and speed are improved.
Owner:HUNAN NEW TIMEHOPE CONSTR MACHINERY

Excavator bucket control system and method and excavator

The invention provides an excavator bucket control system and method and an excavator, and belongs to the technical field of engineering machinery. The excavator bucket control system comprises a controller, a first pressure sensor and a bucket hydraulic control system, wherein the bucket hydraulic control system comprises a bucket oil cylinder connected with a control oil way, a rodless cavity ofthe bucket oil cylinder is connected with a first access end of the control oil way, a rod cavity of the bucket oil cylinder is connected with a second access end of the control oil way through a three-way electromagnetic valve, the three-way electromagnetic valve further communicates with the rodless cavity of the bucket oil cylinder and used for controlling the rod cavity to communicate with the rodless cavity or the rod cavity to communicate with the second access end, the first pressure sensor is arranged in the bucket oil cylinder and is used for detecting the pressure in the bucket oilcylinder, and the controller is connected with the three-way electromagnetic valve and the first pressure sensor and is used for controlling the three-way electromagnetic valve according to the detection value of the first pressure sensor. According to the excavator bucket control system, the working efficiency of the excavator can be improved according to the size of the load borne by the bucketduring excavation.
Owner:SHANGHAI SANY HEAVY IND

Plate storage rack

The invention relates to a plate storage rack which comprises a rectangular bottom frame and four supporting rods which are arranged at four corners of the bottom frame correspondingly and are of the same height. The side, facing the bottom frame, of each supporting rod is uniformly provided with a plurality of through holes from top to bottom. And any through hole is provided with a stretchable brace rod; the through holes in the four supporting rods are the same in number and formed at an equal interval; the bottom frame is provided with a gravity sensor, the gravity sensor is connected to a controller, and the controller is connected to the stretchable brace rods through a drive mechanism. The gravity sensor gives out an electric signal, the controller controls the drive mechanism to drive the stretchable brace rods to stretch out when the stretchable brace rods are required to bear a next plate, and when the current plate is hoisted, the stretchable brace rods are retreated back; a gap between the plates can be preset, manual interference is not needed, only the rough falling direction of the plates needs to be mastered, and the plates 2-3 times those of the prior art can be placed on the supporting rods of the same height; and the plate storage rack is simple in operation and high in efficiency, manpower is relieved, and the overall work speed is increased.
Owner:浙江省建材集团建筑产业化有限公司

Marking method for defective products of radio frequency tags

The invention discloses a marking method for defective products of radio frequency tags, and belongs to the technical field of manufacturing of electronic tags. Electric conducting ink is adopted to replace general black or red non-electric conducting ink; a printing position is changed to the outer periphery of a chip, so that two electrodes of a traditional core directly penetrate through the electric conducting ink to cause short circuit; a to d points of a traditional circuit only can pass through a b c d paths out of the chip; and a e d short-circuit paths are formed after jet printing of the electric conducting ink. As circuits at two ends of the chip generate short circuit, the traditional matching impedance amplitude of RFID Tag is reduced, the RFID Tag is failed, traditional weak marked products change to definite defective products, and are only judged as the defective products but not good products, the leaving of the weak marked defective products to customers can be effectively prevented, the operation steps are simple, the working principle is clear, the defective electronic tag positioning precision is improved, the output of the weak marked products is effectively prevented, and the operation speed and the production efficiency of electronic tags are further enhanced.
Owner:ARIZON RFID TECH YANGZHOU

Position and posture measuring system and method for mechanical equipment

InactiveCN102322857BThere is no error accumulation processRealize automatic controlAngle measurementOptical rangefindersLaser rangingEngineering
The invention relates to a position and posture measuring system and method for mechanical equipment. The position and posture measuring system is characterized in that: four laser distance-measuring modules are arranged at the top of an alley at the back of the mechanical equipment to measure points of special positions on the mechanical equipment so as to obtain four different distances; position offset of the mechanical equipment relative to a predetermined track and angular offset of the mechanical equipment on a vertical surface are calculated based on the four distances; offset data is transmitted to a central processing system on the mechanical equipment through a wireless communication module; position and posture parameters of the mechanical equipment and positioning navigation data can be obtained in combination with a dip angle of the mechanical equipment relative to a horizontal plane, wherein the dip angle is measured by a triaxial acceleration sensor which is arranged onthe mechanical equipment; and the central processing system is used for transmitting the positioning navigation data to a control box of the mechanical equipment. The position and posture measuring system has the advantages of high measuring speed, good real-time performance, high measurement accuracy and no accumulated error, and is suitable for the position and posture measurement as well as the positioning navigation of underground mechanical equipment.
Owner:WUHAN UNIV OF TECH
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