1091results about How to "Improve job quality" patented technology

The present invention relates to a track control system for hydraulic excavator working equipment and its method. Said system includes the following main components: DSP, moving arm angle detection mechanism, bucket arm angle detection mechanism, bucket angle detection mechanism, hydraulic cylinder, engine, working equipment and its driving cylinder and CAN bus. Said invention also provides the concrete steps of said control method. It can implement automatic control of hydraulic excavator working equipment, and can accurately and stably control the position and attitute of said hydraulic excavator working equipment so as to raise its working efficiency.

The invention discloses a three-dimensional attitude display and remote automatic control system of an excavator. A pull line type displacement sensor is adopted to acquire a displacement signal of amoveable arm hydraulic cylinder, a bucket rod hydraulic cylinder and a scraper bucket hydraulic cylinder, and the displacement signal is sent to a computer through a data acquisition card; a car bodyrotation angle signal is acquired through an electronic compass, and the car body rotation angle signal is sent to the computer through an RS232 serial port; the computer is used for storing and processing data, so that a three-dimensional animated simulation attitude of the excavator is displayed in real time; an expected track of a scraper bucket tail end is planned; according to a practical displacement and car body rotation signal of a working device, a control algorithm is run by performing kinematic conversion on the practical displacement and car body rotation signal and comparing the practical displacement and car body rotation signal subjected to kinematic conversion with expected track data so as to correct the track; a CAN communication mode is adopted for realizing data communication between the computer and a special DSP controller of the excavator; operation state information is monitored in real time; operation track of tooth tips of X, Y and Z-axis scraper bucket and athree-dimensional displacement curve of the tooth tips of the scraper bucket are displayed in real time; and remote automatic control is realized through WEB service of a virtual instrument.

A steering wheel type hill sower able to respectively apply fertilizer, form pits and seed in the pits is composed of a seed discharging wheel and multiple pit forming assemblages. Said seed discharging wheel consisting of axle, cam fixed to the axle, wheel disk and the cover of said wheel disk. Said multiple pit forming assemblages radically arranged on said wheel disk to form a steering wheel is composed of several pit forming units consisting of slide block, spring, ejecting rod, sleeve pipe with tangent lower end and pressing plate.

The invention discloses a multiple-unit train maintenance base (station) centralized control system. The control system includes a train operation adjustment plan receiving unit, a train plan adjustment unit, a shunting suggestion plan making unit, a shunting plan adjustment unit, a plan correlation unit, a route command scheme selection unit, a control command issue unit, a plan conflict adjustment unit, a plane execution feedback unit and a multiple-unit train location tracking unit and a multiple-unit train identification unit. With the multiple-unit train maintenance base (station) centralized control system of the invention adopted, scheduling personnel of a multiple-unit train maintenance base (station) and a multiple-unit train maintenance unit can perform centralized control on signal equipment in the maintenance base and unit, directly command and manage trains and shunting operation, and automation of a scheduling process of the multiple-unit train maintenance base (station) and the multiple-unit train maintenance unit can be realized. The multiple-unit train maintenance base (station) centralized control system is a key link for realizing management and control integration of the multiple-unit train maintenance base (station) and the multiple-unit train maintenance unit, and can fully meet on-site production operation needs and can assist in improving production efficiency and work quality.

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.

The invention provides a conveying and positioning device and method used for an automatic potted seedling transplanter. A conveying platform is fixedly mounted on a conveying rack, a seedling tray conveying guide device is mounted on the conveying platform, seedling supplying and planting trays are placed among conveying guide rails on the conveying platform, horizontal conveying chain devices are mounted on two sides of the conveying rack, a plurality of potted tray pushing plates are mounted on each horizontal conveying chain, and a transmission chain device is mounted on the outer side of the conveying platform. When a servo motor drives a transmission chain to rotate by one cycle, the potted tray pushing plates on the horizontal conveying chains move for a certain distance along with the transmission chain to realize positioning and conveying of the seedling supplying and planting trays. Adjusting devices used for adjusting transverse positions of the potted trays are mounted on two sides of the conveying rack, and the adjusting devices execute seedling tray transverse position adjusting instructions given by a transplanting control center to realize transverse accurate positioning of the seedling supplying and planting trays. The conveying and positioning device is high in accuracy and good in stability and reliability, damage to potted tray seedling pots can be reduced, and transplanting efficiency of potted tray seedlings can be improved.

The invention relates to a well site data integration cooperative work platform that comprises a data acquisition module, a central database and an engineering technology cooperative work platform. The engineering technology cooperative work platform comprises a query display module, a geological comprehensive research module, a while-drilling dynamic tracking and analysis module, a knowledge base management module, a mobile monitoring module and a remote decision support module. The well site data integration cooperative work platform builds a standardized and unified big data management platform, achieves production site information comprehensive application, achieves well site and base field data synchronization analysis application, eliminates information isolated island, provides an integrated cooperative work platform for drilling engineers, geologists, reservoir engineers and managers, fully shares information, makes decisions more intuitively and rapidly, guides field operation in real time, improves the efficiency and quality of well site operation management, and brings the reformation of production management modes.

The invention provides a wheeled farmland management robot with a flexible profiling chassis and a profiling control method. The robot can carry out flexible profiling control on the posture of a vehicle body chassis according to an uneven crop canopy/ground surface; a machine hung on a chassis rack of the vehicle body is basically parallel to a crop canopy/ground below the vehicle body; the chassis/machine tool is prevented from touching the ground or damaging seedlings, the distance between the chassis/machine tool and the crop canopy/ground is always controlled within an ideal range, the robot is suitable for multiple terrains and can adapt to growth changes of crops, the application scene and the use time period of the robot are effectively widened, the operation efficiency is improved, and the overall use cost of the robot is reduced. According to the further scheme, a stable and reliable wheel leg driving structure is further provided, shaking of an operation machine tool can beeffectively reduced, the operation quality is improved, and the wheel leg driving structure is particularly suitable for the profiling control process of real-time adjustment of a wheel leg mechanismand has good durability.

The invention discloses a pull-type picking, kneading, bundling and bagging machine for straw feed. The pull-type picking, kneading, bundling and bagging machine comprises an integral rack, a picking, kneading and transporting device, a straw smashing filling bin, a straw compacting, bundling and bagging device and a powder transmission system. The innovative technologies such as the picking kneading and transporting device being front-arranged to suspend and hydraulically lift, deep tearing, kneading and smashing processing conducted on coarse hard section head and dense surface of corn straw, straw smashing three-direction hydraulic strong compaction and bundling to transport, straw compaction bundling, automatic packing after manual bagging are adopted, and combination processes of picking and smashing, compacting and bundling, bagging and packing are conducted on corn straw in the field. And the pull-type picking, kneading, bundling and bagging machine for the straw feed has the advantages that the technology is advanced, the structure is reasonable, the production efficiency is high, and the working quality is good. Straw feed compaction bales made by the machine has good sealing environment, microbial fermentation action can also occur in a natural condition, the slaking degree is improved, the nutrition ingredient is increased, and the palatability, the grazing rate and the digestion and absorption rate are improved when cattle and sheep are fed.

The present invention relates to an automatic back contact rolling mechanical forming drum, including coupling flange, back contact rolling arm elastic rubber ring, drive back contact rolling piston component and cylinder body sleeve the the front end of which is equipped with sector block cylinder body, drive sector block piston group, sector block connecting bar group, fastening tire body sector block group and sector guide disk. The rear end of the described piston component is symmetrically equipped with back contact rolling arm component, back contact rolling wheel group and free guide bearing group. The rear end of the described cylinder body sleeve is equipped with dished pushing disk, and a slide-fit cylinder body rear end cover is mounted on the cylinder body sleeve, and the rear portion of the described back contact rolling arm component is connected at the rear end cover place of the cylinder body.

The present invention relates to a geometric structure of rotation working part of used for driving type rototilling-tillage machine, and especially to a cultivation rotation working part with bionic geometric structure. The invention takes the fore leg claw toe of mole with high-efficient digging capability as a bionic researching object, extracts the special geometric structure characteristic and applies the geometric structure characteristic for designing the rotation working parts (rotary blade or stubble breaking blade) on the cultivation machinery. The component is mainly composed of a side cutting surface with a side cutting edge, a front cutting surface with positive cutting blade, a transition surface for connecting the front cutting surface and the side back surface, and a transition edge for connecting the front cutting edge and the side cutting edge. The invention is characterized in that the front cutting edge (6) adopts a bionic circular arc structure. The geometric shape is confirmed by the following equation: when the operation breadth of single blade of front cutting edge is L, the corresponding central angle of circular cutting edge is (theta), the corresponding radius is (r), and the number of circular arcs is (n), the corresponding expression is as follows: L/2nr=sin(theta/2). The cultivation rotation working part with bionic geometric structure according to the invention can greatly reduce the energy consumption in cultivation operation under the precondition that the cultivation quality is ensured.

The invention discloses a needle glue removing mechanism which comprises a cabinet, wherein a material tray, a material receiving tray and a pulley block are fixed on the cabinet; a material band is rolled in the material tray, and one end of the material band is led out from the material tray and then sequentially passes each pulley of the pulley block to be connected with the material receiving tray; the bottom of the material receiving tray is connected with a stepping motor, and the stepping motor drives the material receiving tray to rotate, so that the material band is rolled into the material receiving tray; and at least three pulleys in the pulley block fold the material band into U shape, the middle of the U-shaped material band is used for insertion of a to-be-cleaned dispenser needle, and two sides of the U-shaped material band are respectively provided with a chuck which is used for clamping the material band and the needle. According to the invention, the stepping motor is used for driving the material receiving tray and the material band to move, and due to clamping friction of the material band and the needle, residual glue on the needle can be cleaned up, thus overcoming inconvenience of manual operation, realizing automatic cleaning of the needle, and greatly improving the working quality; and since a material rolling form is adopted, used material band can be recycled in rolls, pollution of the field due to production of rubbish can be avoided, and the cleanness of the working environment can be improved.

The invention discloses a proportional layering fertilizer applying device, belonging to agricultural machinery. The proportional layering fertilizer applying device is formed by connecting an outer channel wheel type fertilizer feeder, a fertilizer amount regulating, controlling and distributing assembly and a layering fertilizer applying device, wherein the outer channel wheel type fertilizer feeder comprises a shell, a spiral linear outer channel wheel and a fertilizer amount regulating and controlling sleeve; the spiral linear outer channel wheel is installed in the shell; through the connection and fit of an internal screw thread on the fertilizer amount regulating and controlling sleeve and an external screw thread on the spiral linear outer channel wheel, the fertilizer amount regulating and controlling sleeve is axially and movably arranged on a side part of the spiral linear outer channel wheel, and a cylindrical barrel-shaped outer wall of the fertilizer amount regulating and controlling sleeve entirely covers the spiral linear outer channel wheel; and the layering fertilizer applying device is formed by assembling a fertilizer delivering pipe, a separating plate, a pipe base, an elastic fastener assembly, a rear fertilizer applying tail pipe, a front fertilizer applying pipe and a furrow opener. The proportional layering fertilizer applying device disclosed by the invention achieves the purpose of proportionally applying seed fertilizer and additional fertilizer at one time in a layering way, and has the characteristics of simple and reasonable structure, good working quality, high efficiency, low cost, convenience in regulation and control, high utilization efficiency of fertilizer, and the like.

The invention discloses an unmanned aerial vehicle autonomous flight method for constructing a three-dimensional real scene based on LiDAR data. The unmanned aerial vehicle autonomous flight method comprises the steps of constructing an autonomous flight no-fly zone, carrying out route autonomous planning and flying, and autonomously performing route correction and obstacle avoidance, wherein theno-fly zone is in the three-dimensional real scene constructed on the basis of LiDAR point cloud data, and a flyable block and a no-fly block are divided by using an algorithm; the route autonomous planning flight is the process of combining differential GPS with the LiDAR data and autonomously planning the optical flight route of unmanned aerial vehicle electric power inspection according to a specified principle and realizing autonomous flying; and the route correction and obstacle avoidance regards a planned flight path and airborne radar data as judgment standards, conducts flight path correction on the situation that flight deviates from the flight path due to internal and external factors, and can realize autonomous original-path return can be achieved when necessary. The unmanned aerial vehicle autonomous flight method solves problems of large line patrol potential safety hazards, low line patrol efficiency and redundant personnel allocation of an existing unmanned aerial vehicle.

The invention provides an intelligent agricultural robot and a control method thereof. The intelligent agricultural robot comprises a moving mechanism, a visual navigation mechanism, an ultrasonic ranging sensor, a control mechanism, a visual mechanism and an execution tail end, the visual navigation mechanism, the ultrasonic ranging sensor, the control mechanism, the visual mechanism and the execution tail end are arranged on the moving mechanism, the visual mechanism is used for target detection, the ultrasonic ranging sensor detects obstacles in the advancing direction in real time, and themoving mechanism moves according to data acquired by the visual navigation mechanism and the ultrasonic ranging sensor; the visual mechanism is used for detecting target crops, the control mechanismacquires three-dimensional coordinate information and crop information of the target crops through position data and then determines an execution area according to the three-dimensional coordinate information and the crop information, and the execution tail end picks, pollinates, sprays pesticide to or fertilizes the target crops correspondingly. The intelligent agricultural robot integrates multiple functions of picking, fertilizing, pollinating and pesticide spraying and is suitable for each growth stage of various tomatoes, labor productivity and operation quality can be improved, labor intensity of planters can be lowered, and manpower resources are saved.

The present invention relates to real-time monitoring method of random loss rate of combine. Feeding sensor, seed collecting amount sensor, seed loss sensor and grain moisture sensor are used simultaneously the acquire loss rate related signals, the signals are regulated, A/D converted and transmitted to computer for processing and analysis, and the results are fed via interface circuit to display and alarm device for the display and alarm of feeding amount, straw/grain ratio, grain moisture, separation loss rate, sorting loss rate and total loss rate. The present invention can measure the random loss rate and monitor the main factors to affect the loss rate and thus the operation state of the combine, so as to ensure the high operation quality of the combine.

The invention discloses a no-tillage profiling precision seeder, which comprises a main rack. A fertilizer box is arranged on the main frame. A seeding rack is fixedly arranged in each seeding row below the main rack through a profiling four-link mechanism. A depth limiting wheel, a base fertilizer furrow opener, a seed furrow opener, a soil covering device, a compaction wheel, a seed box and a seed feeder are installed on each seeding rack. The internal part of the fertilizer box is divided into a front base fertilizer hopper and a rear seed fertilizer hopper. Base fertilizer feeders and seed fertilizer feeders are arranged at the bottoms of the front base fertilizer hopper and the rear seed fertilizer hopper at positions corresponding to each seeding row. Fertilizer feeding pipes below the base fertilizer feeders are communicated with the base fertilizer furrow openers. Fertilizer feeding pipes below the seed fertilizer feeders are communicated with the seed furrow openers. The no-tillage profiling precision seeder can adapt to and meet the requirements on seeding operation on sloping farmlands or uneven lands, can realize no-tillage precision seeding, and has the characteristics of consistent depth, high operation quality, strong adaptability, few fault and high use safety and reliability.

The invention discloses an efficient automatic rice tray seedling raising precise sowing production line. The production line is composed of a steel wire chain feeding mechanism, a subsoil laying device, a subsoil compacting device, an intelligent double filling type hole drum sowing device, a topsoil laying device, an electric control box, a power motor, a soil collecting bucket, a seed receivingtank, a tray embedding device, an automatic tray stacking device and a rack. Accordingly, synchronous positioning and transportation on soft plastic pot body seedling trays, subsoil laying and compaction, precise sowing, topsoil covering, hard tray embedding and automatic stacking can be performed at a time; by means of the subsoil compaction device, the tray subsoil is compacted, the amount of subsoil is increased, and the later period seedling planting and inserting are facilitated; on the basis of the detection and control technology, an intelligent precise sowing device comprising a seedfilling performance detection system is researched and developed, and 1-3 grain/hole sowing of hybrid rice is achieved; by arranging the tray embedding and automatic tray stacking devices, the automation degree of the production line is improved, the functions are complete, and by means of the soft plastic pot body seedling tray operation, the current rice light simplified cultivation operation requirements are met.