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237results about How to "Small rotation angle" patented technology

Wheel type mobile fruit picking robot and fruit picking method

The invention discloses a picking method and picking robot device aiming at fruits which are in size of an apple and is similar to a sphere. The picking robot device comprises a mechanical actuating device, control system hardware and control system software. The mechanical actuating device comprises a picking mechanical arm, an underactuated manipulator, an electric sliding table and an intelligent mobile platform, wherein the control system hardware comprises an IPC (industrial personal computer), a motion control card, a data acquisition card, an AHRS (attitude and heading reference system), a coder, a monocular camera, a binocular camera, a force sensor, a slipping sensor and the like. During operation, the IPC fuses information of the coder, the AHRS, monocular camera components and an ultrasonic sensor to enable the mobile platform to independently navigate and avoid obstacles. A binocular vision system collects images of mature fruits and obstacles and extracts the characteristics of the images so as to realize obstacle avoidance of the mechanical arm and fruit positioning. Finally, the IPC fuses the information of the force sensor, the slipping sensor and the position sensor, thereby further reliably gripping the mature fruits and separating the fruits from fruit branches.
Owner:NANJING AGRICULTURAL UNIVERSITY

Connecting rod feeding device for cooking machine and cooking machine

The invention relates to the field of cooking equipment, and discloses a connecting rod feeding device for a cooking machine and the cooking machine. The feeding device comprises a feeding box and multiple connecting rods, the rods comprise a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod and a fifth connecting rod which are connected end to end in the form of a rotating shaft, a closed loop is formed, the fifth connecting rod is fixed, the first connecting rod is closest to a pot body of the cooking machine, the head end of the first connectingrod is fixed on the cooking machine, and the tail end is higher than the head end; the first end and the tail end of the second connecting rod are installed at the bottom of a feeding box, the connection point between the tail end of the third connecting rod and the head end of the fourth connecting rod is farthest from the pot body of the cooking machine, the tail end of the fourth connecting rodand the head end of the fifth connecting rod are connected, the tail end of the fourth connecting rod is a drive shaft, and the fourth connecting rod is a drive connecting rod. The connecting rod feeding device adopts a five connecting rod structure to put a cooking material in the feeding box into the pot body. The connecting rod feeding device has the advantages of stable structure and high turning efficiency.
Owner:李亚锐

Mechanical interlocking transmission device of double power supply automatic switching switch

A mechanical interlock transmission device for dual-power automatic transfer switches is provided, which comprises a motor, a speed reducing mechanism, upper and lower fixed plates, a transmission main shaft, first and second slippers, first, second, third and fourth micro-switches, and a cam rotary disk. The invention is characterized in that the device further comprises a solenoid valve, a main gear, a main gear shaft, and an intermediate shaft, wherein the solenoid valve is fixed below the upper fixed plate and is provided inside with a solenoid valve plug and a second return spring; the main gear is fixed below the upper fixed plate by the main gear shaft and engaged with a pinion of the speed reducing mechanism; the top end of the intermediate shaft is inserted into a gear shaft hole of the main gear shaft and the bottom end thereof is covered with a first return spring and then inserted into a central shaft hole of the transmission main shaft; the middle part of the intermediate shaft is provided additionally with a clutching toothed block seat on which a clutching toothed block is formed and engaged with a clutching toothed socket of the top of the transmission main shaft. The invention has the advantages of small motor rotation angle, short switching time, improved operational reliability of the circuit breaker, long service life, and easy manual operation.
Owner:CHANGSHU YONGXIANG ELECTROMECHANICAL

Wheel-disc-type multi-material selective laser melting molding device and method

The invention discloses a wheel-disc-type multi-material selective laser melting molding device and a method. The wheel-disc-type multi-material selective laser melting molding device comprises a molding chamber, a powder supply device and the like, wherein the powder supply device is a rotatable wheel-disc-type powder cylinder and is of a cylindrical structure, partitions divide the interior of the wheel-disc-type powder cylinder into four equant powder cylinders, and the four powder cylinders can be used for holding powder of different materials; and when a rotating shaft of the wheel-disc-type powder cylinder rotates, the four powder cylinders are driven to alternate and to be aligned to a powder spreading station of the molding chamber, so that powder in the powder cylinder is spread onto the molding cylinder through the powder spreading mechanism. The four powder cylinders can hold powder of different materials, the flexibility is high, the structure is simple, the occupied space is small, the manufacturing cost is low, the molding requirement for processing various powder of a part is satisfied, and the molding efficiency and quality are greatly improved. As the molding chamber does not need to be opened for powder replacement during processing, the favorable metallurgical bonding performance of dissimilar materials of the part is greatly improved.
Owner:SOUTH CHINA UNIV OF TECH

Auxiliary picking device for picking fruit aloft

The invention discloses an auxiliary picking device for picking fruit aloft. The picking device includes a tong, a handle and a connecting rod for connecting the tong and the handle, wherein the connecting rod is composed of an inner rod and an external rod sleeved outside the inner rod; one end of the handle is provided with a baffle, and one end of the inner rod is fixedly connected with the baffle, and meanwhile, the bottom of the tong is hinged with the other end of the inner rod and one end of the external rod; when the tong is under a rest state, the other end of the external rod is abutted against the baffle. The picking device adopts a structure with two sections of flexible rods, and when the inner rod and the external rod are reversely pulled, the tong is pushed to close by the external rod, therefore a fruit body is completely grasped; otherwise, the tong is opened to release the fruit body. By using the two sections of flexible rods to cooperate to grasp, the movement of closure and opening is stable and highly reliable. Since the auxiliary picking device adopts a strap and a baseboard provided with a cardan joint and a picking track, instead of repetitively raising up the picking device, users only need to appropriately control the picking device to move in the picking track then adjust the height of the picking device at disposal to pick fruit. Therefore, pickers' labor intensity is decreased, and the picking efficiency is improved.
Owner:CHANGZHOU INST OF TECH

Method for calculating electric field probe rotation offset through circular polarization antenna axial ratio directional diagram

The invention relates to a method for calculating electric field probe rotation offset through a circular polarization antenna axial ratio directional diagram. According to the method, the nonlinearity least square method is used for guiding out a mathematic model of the relation between the offset after electric field probe rotation and the circular polarization antenna axial ratio directional diagram, the Gauss-Newton iterative method is used for carrying out numerical solution on the offset after electric field probe rotation to obtain electric field probe rotation offset delta x and delta y for compensation for near-far field conversion, and therefore an accurate circular polarization antenna far field directional diagram and the accurate axial ratio directional diagram are obtained. According to the method, the accurate value of the delta x and the delta y of electric field probe rotation offset can be obtained without arranging heavy optical measurement equipment in an erecting mode, only two times of plane near field measurement is needed, and the workload is reduced. An electric field probe used for measurement just needs to be rotated by 90 degrees instead of being rotated by 360 degrees, and electric field probe rotation offset can be automatically compensated.
Owner:NAT SPACE SCI CENT CAS

Connector

A connector includes a plug and a socket that are connected and integrated to each other at one end. The plug and socket each have another end to which a connection line may be respectively connected, whereby the connection lines connected respectively to the plug and socket are connected to each other. The plug of the connector includes a plug body for connecting to the connection line on one end thereof and having a fitting recess on the other end thereof, a plug holder shaped in a substantially cylindrical form and configured to be freely rotatably fitted over the plug body without slipping off an outer peripheral surface of the plug body, and a stopper fitting biased outward along a shaft center direction and configured to be freely rotatably fitted over the plug body and separately slidable in the shaft center direction. The socket of the connector includes a socket body for connecting to the connection line at one end thereof and a socket holder shaped in a substantially cylindrical form. The socket body has an insertion portion protrusively provided on the other end portion. The insertion portion of the socket body is configured so as to fit into the fitting recess of the plug body. The socket holder is configured to be freely rotatably fitted over the socket body without slipping off the socket body such that the socket holder rotates in an opposite direction with respect to the plug holder.
Owner:ORMON CORP

Method and device for multispectral image registration

The invention provides a method for multispectral image registration and a device for the multispectral image registration. The method comprises determining characteristic points in a reference image A and a to-be-registered multispectral image B, calculating a main direction of the reference image A and a main direction of the to-be-registered multispectral image B, enabling the reference image A to rotate in the main direction of the reference image A, enabling the to-be-registered multispectral image B to rotate in the main direction of the to-be-registered multispectral image B, extracting characteristic points after rotation, performing filtering on the characteristic points after the rotation, calculating an edge region EOH descriptor of each characteristic point, matching the characteristic point, which has the minimum Euclidean distance of the EOH descriptor from a to-be-matched characteristic point in the to-be-registered multispectral image B, in the reference image A with the to-be-matched characteristic point, and performing registration on the reference image A and the to-be-registered multispectral image B according to the matched characteristic points in the reference image A and the to-be-registered multispectral image B. The method for the multispectral image registration and the device for the multispectral image registration which are provided in the invention improve a registration effect of a multispectral image in the rotation condition, and improve registration precision of the multispectral image.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Extrusion device for shortening blank friction flow path

The invention relates to an extrusion device for shortening a blank friction flow path, which is suitable for continuous extrusion equipment. The extrusion device is characterized in that a blank friction flow path shortening device constituted by a wrap angle adjusting mechanism and an auxiliary blank gripping mechanism is arranged on a frame, and the wrap angle adjusting mechanism comprises a gripping wheel position adjusting component and an extrusion cavity position adjusting component; and the auxiliary blank gripping mechanism comprises a bending guide roller I, a bending guide roller oil cylinder I, a bending guide roller II and a bending guide roller oil cylinder II, so that the blank friction flow path can be shortened and the rotational angle of a blank can be reduced. According to the extrusion device disclosed by the invention, by adjusting the positions of a gripping wheel and an extrusion cavity, the blank flow path can be shortened, and the rotational angle of the blank can be reduced, so that the extrusion device can further reduce the extrusion load and deformation temperature of metal, not only save energy, but also prolong the service life of a tool and a mold; and particularly, the control of the deformation temperature can be realized by adjusting the blank flow path, which is very beneficial to preparation of high-performance nonferrous metal extruded products with fine-grained structures.
Owner:DALIAN JIAOTONG UNIVERSITY

Valve element assembly

InactiveCN101660622ANo tightness requiredSimple designMultiple way valvesWater flowInlet valve
The invention relates to a novel valve element assembly. The valve element assembly alone has main functions such as the water controlling function, the water guiding function, the support function and the like of a water faucet, thereby enabling the shell (the body) of the faucet to be unnecessary to be in contact with water flow and is used only for configuration decoration. The valve element assembly mainly comprises a pedestal, valve plates, a valve element pressing cap and an extended water guiding hose, and optionally comprises an added component (a filter, an electric heater or the like) at a water outlet end of the valve element assembly or the like. The valve plates (or together with the valve element pressing cap) control the water flow and form an independent sealed water channel, and the functions of switching and changing the water flow can be realized by only using movable valve plates to seal a switching rotating shaft between water inlet valve plates and water outlet valve plates. The water flow is guided to the faucet through the connection of the extended water guiding hose and a water outlet of the valve element assembly (or a water outlet of the added component)and flows out. To add multiple functions and meet other design requirements, the added component (such as, the filter, the electric heater or the like) can be additionally connected to the water outlet end of the valve element assembly. Then a water outlet of the same type (a lug boss type water outlet or a connection hole type water outlet) is designed on the added component, which facilitates the connection with the extended water guiding hose. The valve plates are designed into tri-dimensional valve plates, planar valve plates and double acting valve plates, all of which are applicable toa bathroom faucet and a basin faucet.
Owner:文晓锋

Picking manipulator mechanical device

Disclosed is a picking manipulator mechanical device. The device comprises a picking robot tail-end executor, a fruit conveying mechanism, a mechanical executing device and a control system; the mechanical executing device comprises a wheeled intelligent moving platform, a picking mechanical arm, an underactuated picking manipulator and an electric sliding platform; the wheeled intelligent movingplatform comprises a caterpillar-band chassis, a chassis surface, a control box, a motor control cabinet, a fruit collecting box and a side-surface baffle, the chassis surface is cooperatively arranged at the upper portion of the crawler belt chassis, and one end of the chassis surface is provided with the control box; the motor control cabinet is fixed in the middle of the wheeled intelligent moving platform; the fruit collecting box is located between the picking mechanical arm and the motor control cabinet. The working efficiency is improved, and the problems are solved that by manual picking, for fruits the growth positions of which exceed the height of a worker, a ladder is needed for operation, the efficiency is low, the operation is dangerous, and picking is more difficult; pickingof various kinds of fruits is facilitated, the device is safe, flexible and efficient, and the labor cost for harvesting the fruits is reduced.
Owner:CHENGDU UNIV OF INFORMATION TECH

Two-way flipping plate trolley, flipping plate type sorting line and flipping plate type sorting system

The invention discloses a two-way flipping plate trolley, a flipping plate type sorting line and a flipping plate type sorting system. The two-way flipping plate trolley comprises a trolley frame, wherein the bottom portion of the trolley frame is provided with rollers, a flipping plate is pivotally connected above the trolley frame, the connection shaft of the flipping plate and the trolley frameis the symmetry axis of the flipping plate, the flipping plate is maintained horizontally by a position limiting mechanism in a material feeding state, and the flipping plate inclines a certain anglethrough the position limiting mechanism in a material discharge state. According to the present invention, the technical scheme has characteristics of sophisticated design and simple structure; the flipping plate can flip in two directions around the symmetry axis; by arranging the position limiting structure, the flipping plate can be stably maintained at the horizontal state and the inclined state, such that the two-way selective sorting can be effectively achieved; the two-way flipping plate trolley does not require the independent power structure for driving the flipping plate to rotate and the wheel driving structure, such that the whole structure is simplified, and the cost of the equipment is low; and by using the pure mechanical structure, the complicated electrical control structure is not required, such that the production and the maintenance are conveniently performed.
Owner:SUZHOU JINFENG INTERNET OF THINGS TECH CO LTD

Turning-plate type sorting system

The invention discloses a turning-plate type sorting system comprising a track and further comprising a feeding area located beside the track, detecting equipment located on the track and a grid opening area located beside the track. The track is slidably provided with at least one bidirectional turning-plate trolley with a turning plate capable of turning over towards two directions for unloading; and the bidirectional turning-plate trolleys are connected with driving devices driving the bidirectional turning-plate trolleys to slide along the track. In the turning-plate type sorting system, the bidirectional turning-plate trolleys can sort bidirectionally and can be combined with the track to realize synchronous work of multiple trolleys; by controlling the discharging position and discharging direction of each bidirectional sorting trolley, multi-path sorting can be effectively realized under the limited site condition, the problem of disturbance caused by travelling paths of a conventional trolley is avoided, and the requirement on the site is low; meanwhile, the multiple trolleys synchronously sort in multiple paths, and thus the sorting efficiency is greatly improved; and by combining feeding, detecting and sorting openings, automatic operation of the whole sorting process can further be achieved, and the turning-plate type sorting system is advantageously matched with other sorting equipment for being used through the design of discharging grid openings.
Owner:SUZHOU JINFENG INTERNET OF THINGS TECH CO LTD

Anti-tilting dual protection device of hanging basket

InactiveCN108622828AImproved reliability against tiltingReduce wear fatigue and impact stressSafety devices for lifting equipmentsEngineeringMechanical engineering
The invention discloses an anti-tilting dual protection device of a hanging basket. The anti-tilting dual protection device of the hanging basket is provided with two sets of rope clamping mechanisms,and a safety rope and a working rope penetrate the rope clamping mechanisms correspondingly. A swing arm mechanism is in transmission connection with the two rope clamping mechanisms at the same time. When the anti-tilting dual protection device moves, the swing arm mechanism simultaneously triggers the two rope clamping mechanisms, and the two rope clamping mechanisms synchronously move to clampthe ropes penetrating the rope clamping mechanisms. During running, when protection of any one set of rope locking device loses efficacy, including that a safety lock loses efficacy or a steel wire rope is broken, the protection of the other set of rope locking device is still effective, and the anti-tilting reliability of the hanging basket is greatly improved. An arranged guide wheel and the swing arm mechanism are coaxial, constraint is formed on the horizontal shifting of the working rope, the tilting rotating center of a suspended platform coincides with the rotating center of the swingarm mechanism, and the effects of external factors on the rope locking angle of the safety lock are eliminated. The anti-tilting dual protection device of the hanging basket has the remarkable advantages of being high in rope locking precision, simple in structure, reliable in action and low in cost and is suitable for being widely applied in the double-hanging point hanging basket.
Owner:温建

Car storing and taking method applicable to stereo garage

ActiveCN104389448AAvoid out of balance accidentsStable completionParkingsProcess supportAutomotive engineering
The invention discloses a car storing and taking method applicable to a stereo garage. The method comprises the following steps that: a, a driver drives a car to be parked to run onto a rotating carrying plate arranged in a movable ascending and descending rotating device, and an ascending and descending mechanism arranged in the movable ascending and descending rotating device is controlled to drive the rotating carrying plate to ascend, so that the height of the rotating carrying plate is higher than the height of a platform for parking a car; b, firstly, a telescopic bridging carrying plate arranged in the movable ascending and descending rotating device is controlled to extend out and to realize the lap joint in a position of an entrance of the platform for parking the car, and then, the rotating carrying plate is controlled to rotate onto the telescopic bridging carrying plate; and c, the car runs onto a parking platform; after the car stably stops, the driver goes onto the rotating carrying plate from the parking platform; then, the rotating carrying plate and the telescopic bridging carrying plate are sequentially withdrawn; next, the ascending and descending mechanism is controlled to drive the rotating carrying plate to descend; the driver leaves away from the rotating carrying plate; the car storing process is completed; and the steps are converse in the car taking process. The car storing and taking method has the advantages that the full-process support on the rotating carrying plate can be formed in the car storing and taking processes, and the car storing and taking processes are fast and stably completed.
Owner:喻建康

Watercourse sludge desilting treatment equipment

The invention discloses watercourse sludge desilting treatment equipment. The device comprises an equipment main body, wherein a first steel channel and a second steel channel are correspondingly fixed on the same side outer wall of the equipment main body from bottom to top, and a mud scraping cavity is fixedly arranged at the top of an inner cavity of the equipment main body; and the mud scraping cavity comprises a front mudguard and a rear mudguard, a movable top cover is arranged on the top of one side of the mud scraping cavity, a first connecting rod which is longitudinally arranged is fixedly connected to the upper end surface of the movable top cover, and a second connecting rod is hinged to one end, far away from the movable top cover, of the first connecting rod. According to thewatercourse sludge desilting treatment equipment, the mud scraping cavity and a filtering belt can be cleaned without dismounting the equipment, so that the cleaning of the equipment is more convenient, and meanwhile, the time cost for cleaning the equipment is saved; and sludge in a sludge inlet pipe is optimized and stirred through a bidirectional motor, the stirring efficiency of the sludge isensured while the use number of stirring blades is reduced, the manufacturing cost of the equipment is saved, and fine sand in the sludge can be effectively prevented from being adsorbed on the surface of the filtering belt so as to affect the water filtering efficiency of the filtering belt.
Owner:SHANGHAI RUIHUI ENVIRONMENTAL PROTECTION TECH

Six-shaft helical bevel gear mill machining tool

The invention provides a six-shaft helical bevel gear mill machining tool which comprises a tool body. A vertical column and an X-directional linear guide rail are arranged on the upper end face of the tool body, a Y-directional linear guide rail is arranged on the lateral side of the vertical column, and a sliding plate is slidably and fittingly connected to the Y-directional linear guide rail. A Z-directional linear guide rail perpendicular to the Y-directional linear guide rail is arranged on the sliding plate and slidably and fittingly connected with a workpiece box, and a workpiece is fixedly connected to a workpiece shaft which is arranged in the workpiece box. A toolbox is arranged on a tool saddle which is slidably and fittingly connected to the X-directional linear guide rail, and the tool saddle is connected with the toolbox through a rotary table bearing. A tool shaft is arranged on the side wall of the toolbox, and a tool is fixedly connected onto the tool shaft which is driven to rotate by a third driving mechanism. The six-shaft helical bevel gear mill machining tool is simple and compact in structure, convenient to assemble, fine in manufacturability, safe, reliable, short in movement stoke, low in abrasion, small in occupied area, low in cost, high in machining efficiency, high in stability, low in error and high in gear machining precision.
Owner:天津精诚机床股份有限公司

Wheel type mobile fruit picking robot and fruit picking method

The invention discloses a picking method and picking robot device aiming at fruits which are in size of an apple and is similar to a sphere. The picking robot device comprises a mechanical actuating device, control system hardware and control system software. The mechanical actuating device comprises a picking mechanical arm, an underactuated manipulator, an electric sliding table and an intelligent mobile platform, wherein the control system hardware comprises an IPC (industrial personal computer), a motion control card, a data acquisition card, an AHRS (attitude and heading reference system), a coder, a monocular camera, a binocular camera, a force sensor, a slipping sensor and the like. During operation, the IPC fuses information of the coder, the AHRS, monocular camera components and an ultrasonic sensor to enable the mobile platform to independently navigate and avoid obstacles. A binocular vision system collects images of mature fruits and obstacles and extracts the characteristics of the images so as to realize obstacle avoidance of the mechanical arm and fruit positioning. Finally, the IPC fuses the information of the force sensor, the slipping sensor and the position sensor, thereby further reliably gripping the mature fruits and separating the fruits from fruit branches.
Owner:NANJING AGRICULTURAL UNIVERSITY
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