26results about How to "Resolve collision" patented technology

The invention relates to the technical field of unmanned aerial vehicle cooperative motion, and provides an automatic control method and system for unmanned aerial vehicle cooperative motion, and the method comprises the steps: obtaining a flight road section, a passing unmanned aerial vehicle of a position node and a road section predicted speed according to the flight data and task data of the unmanned aerial vehicle cooperative motion, and calculating the speed gain intensity; acquiring a collision risk rate according to the passing unmanned aerial vehicle of the position node, the length of the flight road section and the predicted speed of the road section; according to the speed gain intensity and the collision risk rate, heuristic factors of the unmanned aerial vehicles on the flight road section are obtained, the optimal path from each unmanned aerial vehicle to the to-be-executed task place is obtained through an ant colony algorithm, and automatic control over cooperative motion between the unmanned aerial vehicles is completed. The invention aims to solve the problem that the existing ant colony algorithm performs path planning on the unmanned aerial vehicles in different states by using the same parameter, resulting in collision during cooperative motion of the unmanned aerial vehicles.

The invention relates to the technical field of refrigeration, and provides a door body assembly of embedded refrigeration equipment and the embedded refrigeration equipment. The door body assembly of the embedded refrigeration equipment comprises a box door which is rotatably connected to a refrigeration box body of the refrigeration equipment, and the refrigeration box body is used for being embedded into a containing space formed by a mounting body; the door plate is connected to the box door through a sliding mechanism so as to move relative to the width direction of the box door; the box door has a critical door opening angle which is smaller than the maximum door opening angle of the box door; in the process that the box door rotates to the critical door opening angle from the closed position, the sliding mechanism drives the door plate to move relative to the box door, the moving distance is delta s, and the moving distance delta s is not smaller than the critical safety distance corresponding to the critical door opening angle; the critical safety distance is the minimum sliding distance required for the door plate not to interfere with the outside in the process of rotating the box door from the closing position to the maximum opening angle; and when the box door rotates from the critical door opening angle to the maximum door opening angle, the door plate is static relative to the box door.

The invention relates to a combined bracket for launching and transporting an unmanned aerial vehicle, and belongs to the technical field of unmanned aerial vehicle brackets. Comprising a front side base and a rear side base which are fixedly connected, two front side launching racks which are in bilateral symmetry are rotationally arranged on the front side base, two rear side launching racks which are in bilateral symmetry are rotationally arranged on the rear side base, and the two rear side launching racks are each provided with a locking mechanism. The unmanned aerial vehicle is fixedly connected with the rear side launcher through a locking mechanism; the same transportation frame is fixedly arranged on the front side base and the rear side base, the transportation frame comprises a bottom frame, the bottom frame is fixed on the front side base and the rear side base, a front lower support and a rear lower support are arranged on the bottom frame, and a fixed pressing plate is arranged on each lower support; the problems that in the existing unmanned aerial vehicle launching process, a rocket booster collides with a front supporting leg, and the safety is insufficient in the unmanned aerial vehicle transportation process are solved.

The present invention relates to the technical field of egg turning equipment, specifically to an automatic egg turning equipment for pigeons hatching, including a hatching incubator, wherein an incubator frame is installed inside the hatching incubator, a limit support frame is fixedly installed on the inner side of the incubator frame, and a carrier plate is movably installed on the upper surface of the limit support frame. The limit support frame is supported by the incubator frame to achieve the limited placement of the multi-layer carrier plate, and when the egg turning mechanism is controlled to work as a whole, multiple groups of egg turning shaft rollers rotate to achieve the turning of the upper eggs, and the overall installation of the egg protection mechanism is achieved by overlapping and cooperating with the comb-shaped embedded plate and the connecting cross bar, which can limit the range of a single egg and ensure that it remains stable during the turning process on the egg turning shaft roller to avoid falling, while reducing the impact and vibration of the egg body during the turning process; the limit locking component and the anti-rotation component cooperate with each other to further enhance the assembly locking and convenient disassembly of the egg protection mechanism for easy maintenance.

This utility model relates to the field of diode manufacturing technology and discloses a diode sorting machine, including a guide plate on one side of a transfer assembly, auxiliary plates on both sides of the guide plate, an indexing frame fixedly connected to the guide plate, an indexing wheel rotatably connected to the indexing frame, multiple indexing plates fixedly connected to the indexing wheel, a motor inserted into the indexing wheel, a slide rod below the indexing frame, a drive shaft below the slide rod, a conveyor distribution box connected to the drive shaft, a second motor inserted into the drive shaft, a collection box below the conveyor distribution box, and a slidably connected inside a fixed frame. By using the guide plate and auxiliary plates to guide the diodes, and in conjunction with the indexing wheel and motor, the diodes can be intermittently distributed, and the conveyor distribution box allows the diodes to move smoothly into the collection box, effectively solving the problem of diodes falling into the collection box and causing pin deformation due to collision.

The utility model discloses an ultrasonic cleaning tool for small special-shaped parts, and relates to the technical field of ultrasonic cleaning, the cleaning tool comprises two side plates which are arranged at an interval and are connected through a connecting rod, and a containing space is formed between the two side plates; at least one transverse rod used for containing the small special-shaped parts is arranged in the containing space, the two ends of the transverse rod are detachably connected with the two side plates respectively, and a plurality of clamping grooves different in size are formed in the transverse rod at intervals. According to the tool, the problems of cleaning dead corners, part collision and low cleaning efficiency are solved, and high-uniformity and high-stability batch cleaning is achieved; the tool is of a four-face hollowed-out structural design, it is guaranteed that ultrasonic energy evenly penetrates through the tool, and cleaning fluid circulation and bubble escape are accelerated. Due to the detachable design of the cross rods and the side plates, notches of different specifications can be designed on each face according to the sizes of cleaning elements needing to be placed, and the practicability of the cleaning tool is improved.

The utility model discloses a kind of lifting mechanism and household appliance, it is related to household appliance technical field, wherein, lifting mechanism includes swing arm assembly, slide rail structure and damping assembly, swing arm assembly at least includes first swing arm, one end of first swing arm is used to articulate in the accommodating cavity of household appliance, the other end can swing forward and backward and up and down, slide rail structure includes multiple slide rails of extension and sliding connection in front and back direction, multiple slide rails at least include first slide rail and tail slide rail, first slide rail is connected to the other end of first swing arm, tail slide rail is connected to first shelf, damping assembly includes damper and trigger part, damper is connected to first slide rail, damper includes movable portion that can carry out damping activity along front and back direction, trigger part is connected to tail slide rail, when along with tail slide rail backward and to first slide rail activity, trigger part is used to combine with movable portion, to prevent first shelf and the inner wall of accommodating cavity from collision.

The present application discloses a flipping and transporting mechanism for sheet materials, comprising: a material conveying line for conveying materials along a first direction; a material picking mechanism, which is arranged above the material conveying line, the material picking mechanism having a flipping mechanism, one end of which is provided with a material picking nozzle, the material picking nozzle being used to adsorb the first side of the sheet material, and the flipping mechanism being able to flip the sheet material on the conveying line adsorbed by the material picking nozzle; an arcuate slide, which is used to make the sheet material slide down the inner surface of the arcuate slide by its own weight; after the material picking nozzle adsorbs the first side of the sheet material, the flipping mechanism rotates in a direction away from the arcuate slide until the second side opposite to the first side of the sheet material gradually approaches the inner surface of the arcuate slide. The present invention uses the cooperation of the flipping mechanism and the arcuate slide to flip the sheet material, and has a simple structure, a fast flipping speed and a high accuracy.

The invention relates to the technical field of logistics transportation, in particular to a positioning anti-falling method for truck unloading, which comprises the following steps: setting at least two positioning ground marking lines parallel to a carriage door frame on a carriage bottom plate, and establishing a space coordinate reference for goods; obtaining the size, weight and gravity center position parameters of the goods, and determining the initial placement position and the propelling sequence of the goods in the carriage; calculating an allowable propulsion range of each cargo according to the cargo parameters and the initial placement position, wherein the allowable propulsion range comprises a propulsion distance, a propulsion angle and a boundary area; in the propelling process, the allowable propelling range and the propelling angle are dynamically adjusted in combination with the inclination state of the carriage; when the multiple cargoes are propelled, a cooperative propelling path is generated based on the cargo parameters and the ground marking lines; when the goods are continuously propelled, the relation between the positions of the goods and the allowable range is judged in real time, and the propelling path or action is adjusted if necessary. Goods can be safely carried in the carriage, and the falling problem is avoided.

The utility model discloses a lifting limiting mechanism of a clothes airing machine and the clothes airing machine, and the lifting limiting mechanism of the clothes airing machine comprises a trigger piece and a detection unit, the trigger piece is movably installed on an airing frame of the clothes airing machine and can ascend and descend along with the airing frame. The triggering piece is in transmission fit with a telescopic airing rod of the airing rack; the detection unit is arranged on a main machine of the clothes airing machine and is in communication connection with a control unit of the clothes airing machine; in the lifting process of the drying rack, when the telescopic drying rod is in an unfolded state, the trigger piece can trigger the detection unit to stop the lifting of the drying rack before the drying rack is lifted to the upper limit position; when the telescopic airing rod is in a folded state, the trigger piece cannot trigger the detection unit before the airing rack rises to the upper limit position, so that the airing rack stops rising. According to the lifting limiting mechanism of the clothes airing machine, the telescopic airing rod of the clothes airing machine can be prevented from colliding with the ceiling in the unfolded state, and the safety of the clothes airing machine in the using process is improved.

The utility model discloses a lifting type range hood which comprises a box body, an air inlet body which moves up and down relative to the box body, an oil cup which is detachably arranged on the air inlet body, a connecting part which is detachably connected with the oil cup, and a lifting component which is detachably connected with the oil cup, and the driving assembly is arranged on the air inlet body, and the driving assembly is connected with the connecting part and drives the connecting part to move at least in the front-back direction of the air inlet body. The utility model not only can solve the problem that the oil cup falls off and is damaged due to collision caused by improper installation, but also can solve the permanent problem of collision of the oil cup which cannot be solved by re-disassembly and re-installation.

The invention discloses a plate buckle frame suitable for various slope surface spaces and an erecting method. The plate buckle frame comprises a rod body; the tray is detachably connected with the rod body through a fixing assembly located in the middle of the tray, and at least two gear plates located on the two sides of the fixing assembly respectively are further arranged on the bottom face of the tray; the fixing plates correspond to the gear plate and are connected through batten plates, arc-shaped parts in meshed connection with the gear plate are arranged on the fixing plates, the central angle of each arc-shaped part is larger than or equal to 180 degrees, an opening of each arc-shaped part faces upwards and deviates to the to-be-inclined-adjusted direction of the tray, so that a low end is formed at one end of each arc-shaped part, and a high end is formed at the other end of each arc-shaped part; and the bearing part is detachably connected with the rod body, so that a fixing platform for bearing and limiting the fixing plate is formed below the tray. The multi-working-condition angle adjusting device can meet the angle adjusting requirements of multiple working conditions, the resource waste of'private customization 'of one working condition and one scheme is changed, and meanwhile, the force bearing safety of the plate buckle frame is further guaranteed.

The invention discloses a PCI whole network replanning method and device, electronic equipment and a medium. The method comprises the following steps: acquiring basic information of a replanning area and a peripheral area thereof; the basic information comprises cell basic information, adjacent cell information, overlapping coverage information and PCI replanning configuration information of each cell in the region; preprocessing the basic information to obtain target data; performing PCI replanning based on the target data to obtain a PCI planning scheme; the PCI replanning comprises PCI group planning and MOD3 interference optimization. According to the technical scheme, through the steps of comprehensively obtaining basic information, preprocessing data, comprehensively planning the PCI and the like, the PCI related problems existing in the current electric connection 4G / 5G co-construction and sharing network are effectively solved, the network performance is optimized, the user experience is improved, and the method has wide popularization and application prospects and can be widely applied to the technical field of data processing.

The application provides a motor assembling device and method of an electric composite turbocharger, and belongs to the field of ship power turbochargers. The assembling problem of an integrated motor of an electric composite turbocharger is solved. The motor rotor of the device is fixed on a compression impeller, a guide block is installed on the motor rotor shaft, a motor stator is fixed outside the motor rotor, the motor stator is installed on a motor support frame, a centering flange and a tension and compression flange are sequentially installed behind the motor stator, a locking flange is installed at the center of the centering flange, a tension and compression screw rod passes through the locking flange and the tension and compression flange, one end of a motor guide rod is axially fixed with the motor support frame, and the other end is fixedly positioned with the locking flange. The application has the advantages of ingenious design, convenient installation, efficient assembling and the like.

The invention discloses an agricultural land leveling device, belonging to the technical field of agricultural machinery. An agricultural land leveling device comprises a connecting plate connected to an agricultural vehicle body, and further comprises: a mounting plate, the mounting plate is fixedly connected to the connecting plate, a tillage part is arranged on the mounting plate; and a leveling plate, the leveling plate is arranged at one end of the mounting plate away from the connecting plate through a connecting rod; wherein the tillage part comprises a first tillage component and a plurality of second tillage components, the first tillage component comprises a first hydraulic rod fixedly arranged on the lower side of the mounting plate; the invention facilitates automatic removal of internal stones when tilling farmland soil, solves the problem of collision between the high-speed rotating tillage teeth and the stones buried in the soil when tilling the land in the prior art, ensures the service life of the land leveling machine, and can effectively remove the stones in the soil, enhance the compactness of the farmland soil after leveling, and allow crops to take root in deeper soil better and absorb nutrients in the soil better.

The invention relates to the technical field of cold-chain logistics fresh-keeping boxes, in particular to an intelligent logistics system based on fresh food delivery, which comprises a rack, an upper connecting mechanism, a lower connecting mechanism and a winding mechanism, the upper connecting mechanism comprises a first rotating shaft, a first connecting rope, a first elastic piece and a first hook, the first rotating shaft is rotationally arranged on the rack, the first rotating shaft is sleeved with a first rotating roller, the first connecting rope is wound on the first rotating roller, and a tension sensor is arranged on the first connecting rope; two ends of the first elastic piece are respectively connected with the tension sensor and the first hook; the lower connecting mechanism comprises a second rotating shaft, a second connecting rope, a second elastic piece and a second hook; the winding mechanism comprises a rotation driving assembly which is used for driving the first rotating shaft to rotate. The function of supporting the fresh products is achieved, and the problem that the bottoms of the adjacent fresh products collide with each other along with shaking in the transportation process of a traditional logistics system is solved.

The invention relates to a motor control technology, and discloses a sliding mode control method for suspension soft landing of a bearingless magnetic suspension motor pump, which comprises the following steps: acquiring a motion trail equation of a rotor center of suspension landing of the bearingless magnetic suspension motor pump, and selecting a motion trail sliding mode surface and a motion trail sliding mode function of the rotor center; when the center of the rotor is located on the sliding mode surface of the motion trail, the equivalent control quantity of suspension landing of the center of the rotor is calculated; when the center of the rotor is not located on the sliding mode surface of the motion trail, the correction control quantity of suspension landing of the center of the rotor is calculated; and correcting the motion trail equation according to the equivalent control quantity and the correction control quantity to obtain a corrected motion trail equation, and controlling the rotor center of the bearingless magnetic suspension motor pump to safely and softly land according to the corrected motion trail equation. The invention further provides a sliding mode control device and equipment for suspension soft landing of the bearingless magnetic suspension motor pump and a medium. According to the invention, the stability of sliding mode control of suspension soft landing of the bearingless magnetic suspension motor pump can be improved.

The utility model discloses a transportation device for machining, which comprises a bottom box, an electromechanical box is arranged on the front side of the bottom box, a positive and negative rotation motor is arranged on the inner wall of the electromechanical box, two bearings are embedded in the inner wall of the bottom box, and the inner rings of the two bearings are jointly and fixedly connected with a positive and negative threaded rod. And the front end of the positive and negative threaded rod is connected with the output end of a positive and negative rotation motor. According to the conveying device for machining, the two clamping plates are arranged on the bottom box, the multiple limiting rods are arranged on the sides, close to each other, of the two clamping plates, and the limiting rods have certain elasticity under cooperation of springs, so that when a worker places a part between the two clamping plates and clamps the part, the part is clamped by the two clamping plates, and the part is clamped by the limiting rods; the limiting rods on the clamping plates can automatically form the contour the same as that of the workpiece according to the shape of the part so as to limit the workpiece, and the problems that an existing fixing mechanism cannot conveniently fix parts of different specifications, and the parts are prone to falling or colliding in the transportation process are effectively solved.

The utility model provides a medical test bed, which relates to the field of experimental equipment, and comprises a carrying table and a box body, a drawer is arranged in the box body, and a drawer is arranged in the drawer; the box body is arranged in a projection area formed by the carrying platform on the ground, so that the top surface of the box body is closed through the bottom surface of the carrying platform, and a semi-open space with an opening direction as a first direction is formed in the projection area formed by the carrying platform on the ground; the first direction is the moving direction when the drawer is opened; the box body further comprises a lengthened sliding rail used for connecting the drawer and the drawer, and the lengthened sliding rail is further used for enabling the drawer to be located outside a projection area formed by the carrying table on the ground when the drawer extends to the farthest position. According to the storage box, the problem that legs collide with the external structure of the storage box when an experimenter operates a test bed is solved, meanwhile, the comfort and efficiency of experimental operation are improved, the space utilization of a laboratory is optimized, and the problem that the structure of the test bed affects the operability of the experimenter in the related technology is solved.

The application discloses a kind of track locomotive automatic protection system and method, including digital flat regulating system, speed acquisition module and brake system;Speed acquisition module real-time acquisition locomotive speed and send to digital flat regulating system, brake system is added multiple electric control solenoid valve and pressure sensor, respectively with the output port and feedback port of digital flat regulating system electric connection.Electric flat regulating system compares the preset speed threshold corresponding to locomotive speed and shunting instruction, and automatically executes common brake after overspeed and continues preset time;Emergency brake is automatically executed when emergency stop instruction is received or brake system anomaly is detected, while having parking state anti-slip and brake redundancy protection function.The application does not need to replace original main equipment, and the transformation cost is low, and the compatibility is strong, fundamentally solves the security risk caused by that shunting operation completely relies on manual operation, and significantly improves the safety and reliability of shunting operation.

The utility model relates to the field of auxiliary starters, in particular to an auxiliary starter and a transmission structure thereof, the auxiliary starter comprises a starting shaft and a coil spring, an inner pin of the coil spring is clamped on the starting shaft, the auxiliary starter is characterized by further comprising a starting cover and an isolator, the starting cover is arranged at the tail end of the starting shaft, the isolator comprises an inner ring and an outer ring, and the inner ring is arranged on the outer ring. The isolator is arranged at the end of an engine spindle, an inner ring of the isolator is fixedly connected with the spindle, and the starting cover is connected with an outer ring of the isolator. When the coil spring stores energy, the outer ring idles, and when the coil spring releases energy, the outer ring is linked with the inner ring. The starting cover is matched with the isolator, so that the safety and the stability of a product are improved, and the service life of the product is prolonged.

The utility model relates to the technical field of mold frames, and discloses a mold frame convenient for demolding for an injection mold, which comprises a fixed mold, a base is arranged on the right side of the fixed mold, a sliding mold is arranged on the left side of the fixed mold, a telescopic cylinder is arranged on the left side of the sliding mold, the telescopic cylinder is provided with a limiting block, and the limiting block is in sliding connection with a sliding block. The right side of the fixed mold is connected with the base, the sliding mold is arranged on the left side of the fixed mold, the telescopic cylinder and the limiting block are installed on the left side of the sliding mold, the limiting block is connected with the sliding block in a sliding mode, and the sliding block pushes the second sliding block to move. Therefore, the problems of collision and damage possibly occurring in the demolding process of a formed product can be effectively solved, and the demolding efficiency and the appearance quality of the product can be remarkably improved.

This invention provides an auxiliary steering control method, device, vehicle, and storage medium, relating to the field of vehicle steering control technology. The method includes: determining a steering anomaly of the vehicle based on collected multimodal perception data of vehicle driving; dynamically adjusting the steering pitch according to the steering anomaly; controlling a cornering braking control system or an electronic brake-force distribution system to coordinately adjust braking force according to the steering anomaly. By identifying steering anomalies in real time and dynamically adjusting the steering transmission ratio to correct the input, steering intervention can be dynamically and continuously achieved. Based on the steering pitch adjustment, precise and appropriate braking force compensation is applied in conjunction with the cornering braking control system or the electronic brake-force distribution system, realizing integrated active protection of steering and braking, improving event handling efficiency, driving safety, and comfort.

The embodiment of the invention provides a robot dynamic navigation method and a robot. Relates to the technical field of robot control. The method comprises the following steps: in response to a navigation instruction, determining a global path residual distance between a current pose and a global end point pose of the robot; when the global path residual distance is greater than or equal to a first preset distance threshold, performing at least one time of local path planning, controlling the robot to walk based on a local navigation path, and updating the global path residual distance until the updated global path residual distance is smaller than the first preset distance threshold; and when the global path remaining distance is smaller than the first preset distance threshold, performing end path planning and controlling the robot to move based on an end navigation path until the robot reaches a global end point pose. The method has the technical effect of improving the safety and flexibility of the robot in the navigation process.

The utility model discloses an auxiliary mounting structure for municipal pipeline laying, which relates to the technical field of pipeline assistance and comprises a bearing plate, a plurality of sliding chutes are arranged on the inner side of the bearing plate, and the outer surfaces of the sliding chutes are connected with a sliding frame in a sliding manner. The clamping device is reasonable in design structure, the bearing plate, the sliding frame, the sliding groove, the clamping plate, the first gear and the clamping ring are matched, the bearing plate serves as a bearing main body, the sliding frame can slide on the sliding groove, the clamping plate can be driven to move while sliding, the first gear can be driven to rotate when the sliding frame moves, and the clamping plate is driven to move when the sliding frame moves. After a concrete pipe is fixed on the clamping plate, an excavator can be used for pushing the concrete pipe through the digging spoon, so that the concrete pipe can horizontally move towards other concrete pipes and is in butt joint with the other concrete pipes, the probability and the force of collision between the concrete pipes are reduced, and the service life of a pipe section can be effectively guaranteed; the problem that collision occurs when a conventional crane is used for pipeline butt joint is solved.

The utility model provides a rotatable servo tool magazine which comprises a machine frame, a servo motor and a cutter head, and the servo motor is installed in the machine frame through a bolt. The output end of the servo motor penetrates through the top of the rack and is connected with a cutter head; the device is characterized in that the outer side wall of the cutter head is connected with a cutter rest through a plurality of detachable mounting modules; a tray is mounted on the outer side wall of the rack through bolts, and a jacking convex block is connected to the top of the tray through bolts; when reaching the position of the jacking convex block, the appointed knife rest is lifted under the action of the jacking convex block; the servo tool magazine effectively solves the problem that adjacent tools collide with each other during tool changing in the compact design of a traditional servo tool magazine, improves the space utilization rate and the tool changing efficiency of the tool magazine, and meets the requirements of the modern manufacturing industry for efficient and high-precision machining.