76 results about "Paddle" patented technology

The invention discloses a three-dimensional full-field deformation measurement method of a paddle. The method comprises the following steps of 1), designing and manufacturing an electronic speckle; 2), forming a camera set by means of multiple three-dimensional video units; 3) calibrating the inner diameter and the outer diameter of the camera set by means of a calibrating board with a coding mark point; 4) acquiring an image, realizing image grouping, and performing imaging matching on the grouped image; 5), performing three-dimensional analysis on the image which is matched in the step 4) by means of the inner parameter and the outer parameter of the camera set obtained in the step 3), and obtaining a three-dimensional point cloud of each paddle surface; and 6) based on the three-dimensional point cloud of each paddle surface obtained in the step 5), fitting the profile of the paddle, and obtaining three-dimensional full-field deformation of the paddle. The three-dimensional full-field deformation measurement method can be used for measuring anisotropic three-dimensional full-field dynamic deformation of the paddle and furthermore can be used for obtaining various movement parameters of the paddle. The three-dimensional full-field deformation measurement method has advantages of comprehensive measured data, high measurement accuracy, effective settlement for interference in complicated working conditions, and reliable data in paddle movement process.

The invention comprises a paddle board apparatus and method of use thereof, comprising: a manual crank connected to a drive shaft, a rotatable housing, and a set of paddle wheels connected to an outer surface of the rotatable housing, where a child manually turning the crank simultaneously propels the paddle board forward in water through use of the paddle wheels and drives an air pump in the rotatable housing to blow bubbles about the paddle board for enjoyment of the child riding the paddle board.

A tumbling container is mounted for rotation with a curved screen fixedly mounted within the tumbling container. A multiple vane paddle is mounted to a shaft that is rotatably mounted to the tumbling container. The paddle vanes are formed with angular edges. As the tumbler rotates and the paddle rotates, powder is repeatedly dropped onto the screen to be sifted with the aid of the paddle. Rotating the tumbler further drops unsifted portions of the powder from the screen to mix with additional powder in the tumbler body. Thus, sifting and blending of powders is accomplished in one single operation. The invention utilizes an apparatus having a multiple section screen and a multiple section paddle to enable assembly through the openings in the tumbling container. The screen of a second embodiment has a cowl adjacent to each screen opening to optimize powder lump disintegration.

The invention relates to a test method and device of the variable-paddle bearing friction moment of a wind-driven generator and an application thereof. A simulation test device is arranged on the ground, and the variable-paddle bearing friction moment is measured by a ground test, i.e. a cantilever beam device is mounted on a paddle bearing, and the tail end of a cantilever beam is loaded to simulate a load in the practical operation of a blower; under the loaded condition, a variable-paddle system is started, and test equipment driven by variable paddles is utilized to measure the loaded variable-paddle bearing friction moment. The simulation test device for the variable-paddle bearing friction moment of the wind-driven generator comprises a fixed tool part which is mounted on a test bed; a hub assembly system with a variable-paddle bearing to be tested is mounted on the fixed tool part, and the variable-paddle bearing to be tested is connected with the cantilever beam for test by a bolt; a loading device is hung at the tail end of the cantilever beam, and a balance weight for adjusting the loaded weight is hung below the loading device.

A target ball game kit is provided that is easily carried and readily assembled to facilitate play in recreational areas such as parks or beaches. The kit includes a container housing a plurality of paddles, a plurality of balls having varying weights, and at least one target assembly. The target assembly is appointed to be set-up on a ground surface and secured thereto by way of securing means. Concentric rings having assigned point values are constructed within the target assembly. The target assembly preferably is constructed of a continuous rope or cord-like member. The kit can be readily and accurately adjusted for singles to doubles play by including at least two target assemblies therein. Glow in the dark properties may be provided to the target assembly, paddles, and / or balls for play in dimly lit or foggy conditions.

A sound absorbing game paddle containing a blade having a support structure and a filling. The support structure preferably defines adjoining cells of various shapes, including for example hexagonal and non-hexagonal cells. The filling preferably comprises one or more of a foam, a gel, a silicone or other polymer, and can fill some or all of the cells at any desired volume(s). Contemplated methods include a manufacturer building a version of a game paddle without a filling, and subsequently building another version of the same or similar paddle with a filling. Further contemplated methods include developing an improved game paddle with altered sound emissions by determining that an existing game paddle has undesirable peak amplitudes and frequencies of sounds emitted, and then designing an improved game paddle with a sound absorbing filling.

A tumbling container is mounted for rotation with a curved screen fixedly mounted within the tumbling container. A multiple vane paddle is mounted to a shaft that is rotatably mounted to the tumbling container. The paddle vanes are formed with angular edges. As the tumbler rotates and the paddle rotates, powder is repeatedly dropped onto the screen to be sifted with the aid of the paddle. Rotating the tumbler further drops unsifted portions of the powder from the screen to mix with additional powder in the tumbler body. Thus, sifting and blending of powders is accomplished in one single operation. The invention utilizes an apparatus having a multiple section screen and a multiple section paddle to enable assembly through the openings in the tumbling container. The screen of a second embodiment has a cowl adjacent to each screen opening to optimize powder lump disintegration.

A paddle and a method for using the paddle are described. The method and system include providing a first resistance surface and at least a second resistance surface. The first resistance surface includes at least one aperture therein. The second resistance surface(s) are coupled with the first resistance surface in a plurality of configurations. The plurality of configurations has a plurality of resistances.

A development system (10) for an electrophotographic printer with multiple augers containing a development roller (11) and a first channel contains a feed auger (13) and developer, with a plurality of paddles (12) attached to the feed auger, at least some the paddles increase in size with respect to a previous paddle along a direction of developer flow (18). This arrangement of paddles ensures that a uniform layer of developer is formed on the development roller despite the volume of developer in the first channel decreasing along the length of the first channel in the direction of developer flow.

The invention discloses a paddle torsion angle real-time monitoring method based on mark point detection. The method comprises the following steps: firstly, separating a foreground from a background by utilizing an Otsu threshold algorithm to obtain a binary image with a connected domain; secondly, matching out circular mark points by adopting a minimum circumcircle method to realize coarse positioning of the circular mark points; thirdly, removing singular points through a circle fitting method to improve the circle center positioning precision of the mark points and achieve fine positioningof the circular mark points; and finally, calculating an included angle between straight lines formed by the circle centers of the mark points obtained twice to obtain a torsion angle. The method hasthe advantages of simplicity in operation, high precision, high speed and no contact, and is particularly suitable for real-time monitoring of the torsion angle of a paddle in a high-speed motion state.

The invention relates to a multi-zoned paddle screen apparatus (100) which is disclosed for separating fiber from a liquid medium during, for example, a grain wet mill or dry grind process. The apparatus includes a housing (106) having first and second zones (108a, 108b) situated adjacent one another along a length (L) of the housing (106). First and second screen sections (102a, 102b) having a plurality of openings (104) may be situated lengthwise within the housing (106) corresponding with the first and second zones (108a, 108b), respectively. The first and second screen sections (102a, 102b) have a circular cross-section, and the second screen section (102b) has a larger diameter than the first screen section (102a). An elongated shaft (130) situated lengthwise within the screen sections (102a, 102b) includes first and second conveyors (128a, 128b), which correspond with the first and second zones (108a, 108b), respectively, having a plurality of paddles (132). Each conveyor (128a,128b) is configured to move material in a direction along a length of the screen (102a, 102b). There may be more than two zones (108a, 108b).

A paddleball game apparatus that includes a paddle member having a face portion. A first piece of fabric of either small hooks or small loops is disposed on the face portion. There is a plurality of targets having indicia therein disposed on the first piece of fabric in a predetermined configuration. A first end of a cord member is attached to a first portion of the paddle member. Then a spherical member is attached to a second end of the cord member. A second piece of fabric of a mating one of small hooks and small loops is disposed on the spherical member. A handle member is attached to a second portion of the paddle member for grasping and manipulating the spherical member to stick on one of the plurality of targets.

The invention relates to a combined platform for gravity center measurement and correction for a paddle of a controllable-pitch propeller. The combined platform comprises a base, a lifting mechanism I, a weighing sensor, a measuring workbench, a fixture assembly, a paddle supporting assembly, a paddle space attitude measuring device and a polishing device, and is characterized in that the fixture assembly is used for fixing the position of a paddle base plate and comprises a V-shaped frame and a pressure head; the paddle supporting assembly is used for supporting the paddle and comprises a lifting mechanism II and a paddle contact ball head; the paddle space attitude measuring device comprises laser displacement sensor measuring device capable of moving a three-dimensional manner and an inclination angle measuring device; the inclination angle measuring device comprises a positioning shaft and an inclination angle sensor, and the positioning shaft can be matched with a base plate hole in the paddle base plate; and the polishing device comprises a six-degree-of-freedom manipulator and a polishing head. The combined platform not only can perform gravity center measurement and correction on the paddle and is high in measurement and correction accuracy and convenient to disassemble. In addition, the combined platform can also be applicable to paddles with various different sizes, thereby being high in universality. Furthermore, the combined platform can also perform gravity center measurement on any placement space attitudes of the paddle.

A microcantilever system comprising a paddle, its use and a method of simultaneously acquiring the topography and measuring the tip-sample interactions of a sample with it.

Embodiments are disclosed of a standup paddle (SUP) board comprising a substantially rectangular shape in outline and having a length dimension that is a whole number multiple of its width dimension. A plurality of link members are disposed at spaced-apart locations along the periphery of the board's deck. Each link member can function, in a first configuration, as a handle for the board; and, in a second configuration, as a linkup for connecting the board in abutting relation to one or more other adjacently located, similarly configured standup paddle boards. With a plurality of such boards connected proximate one another in a desired configuration via such links, an extended upper surface is provided that can serve as a substantially stable platform upon which one or more persons can engage in desired activities.

The invention relates to a folded paddle type ship propeller. The propeller mainly consists of a connection arm, a water diversion bracket, a paddle board I and a paddle board II; one end of the connection arm is provided with a connection thread, and the other end of the connection arm is connected with the water diversion bracket; the water diversion bracket is in a V-shaped groove structure consisting of two water diversion boards and two lateral boards; rotating shaft through holes are correspondingly arranged on the two lateral boards; the paddle board I and the paddle board II are hinged through a rotating shaft; the both ends of the rotating shaft respectively extend out from the two rotating through holes of the two lateral boards; and a plug is sleeved at an extending part of the rotating shaft. The folded paddle type ship propeller provided by the invention is a ship propeller in a new structure; the paddle boards are continuously unfolded and closed, so as to provide power for aviation of a ship. The paddling motion of the paddle boards is slow, so that no high-speed periodic driving force is generated. Furthermore, compared with a spiral propeller, the folded paddle type ship propeller has smaller noise and better elusiveness.

The invention discloses a wake field simulation method for a cavitation water drum paddle model test, and the method can accurately and conveniently simulate three-way wake of a single-paddle ship with a stern energy-saving appendage or a double-paddle ship with a shaft bracket by utilizing a grid and appendage model, the paddle model test carried out in the wake field is closer to the working condition of a real ship, and the test result is more accurate and reliable. The grids are formed by weaving a plurality of layers of metal wires and are fixed near a water flow inlet of the cavitation water drum test section; the appendage model is obtained through 3D printing and other methods, the period is short, the cost is low, and the appendage model can be conveniently installed in front of apaddle mold on a cavitation water drum test shaft. According to the method, the test capability of the medium-sized cavitation water drum is expanded, and the influence of an energy-saving appendageor a shaft bracket and the like in front of the propeller mold on the performance of the propeller can be observed more meticulously.

A development system (10) for an electrophotographic printer with multiple augers containing a development roller (11) and a first channel contains a feed auger (13) and developer, with a plurality of paddles (12) attached to the feed auger, at least some the paddles increase in size with respect to a previous paddle along a direction of developer flow (18). This arrangement of paddles ensures that a uniform layer of developer is formed on the development roller despite the volume of developer in the first channel decreasing along the length of the first channel in the direction of developer flow.

The invention discloses a VR simulation rowing machine for rowing exercise training. The machine comprises a host platform, and a scene simulation cabin, a supporting device, a human body fixing device and a strength training device which are arranged on the host platform, an outlet is formed in one end of the scene simulation cabin, a VR simulation imaging machine is arranged at one end, far fromthe outlet, in the scene simulation cabin, the supporting device is located right in front of the VR simulation imaging machine, the bottom of the human body fixing device is slidably connected withthe top of the supporting device, the strength training device comprises two weight adjusting boxes, the two weight adjusting boxes are symmetrically arranged on the two sides of the supporting deviceand are close to one end of the VR simulation imaging machine, and two paddle shaking simulation assemblies are symmetrically arranged on the side, close to the supporting device, of each weight adjusting box. A VR virtual technology is used for enabling athletes to be better substituted into corresponding competition scenes, the athletes can give out potential more easily in the training process, the number of annular gravity blocks in the weight adjusting boxes is used for achieving the load proportion of the paddle shaking action, and the training effect of the athletes is fully improved.

The invention discloses a paddle of silicon wafer coating equipment, which comprises a paddle plate, a paddle blade and an inclined connecting plate, wherein the paddle plate is used for bearing a quartz boat, and the paddle plate is a hollowed-out paddle plate; the paddle blade is in contact with a furnace mouth of the silicon wafer coating equipment, and the upper surface of the paddle blade ishigher than the upper surface of the paddle plate; and the inclined connecting plate is used for connecting the paddle plate and the paddle blade. According to the invention, the paddle comprises thepaddle plate, the paddle blade and the inclined connecting plate, the paddle plate used for bearing the quartz boat is the hollowed-out paddle plate, after the quartz boat is placed on the paddle plate, the contact area between the paddle plate and the quartz boat is reduced, hollowed-out airflow can directly circulate above and below the paddle plate, the uniformity of silicon wafer coating is enhanced, EL of a battery piece is improved, the use amount of paddle plate materials can be reduced, and the manufacturing cost of the paddle is reduced. In addition, the invention further provides silicon wafer coating equipment with the advantages.

The invention discloses a novel intelligent unmanned feeding ship which comprises a camera, a rotary groove throwing device, paddle wheels, a ship body and a silver-zinc storage battery, the bottom of the camera is installed on the top of a connecting rod, the bottom end of the connecting rod is fixedly installed on the top end surface of a feed box, a cabin cover is fixed to the upper end of the ship body, the silver-zinc storage battery is installed in the ship body, the rotating groove throwing device is installed in the ship body, a frequency converter is installed in the rotating groove throwing device, the output end of the frequency converter is connected with a rotating shaft, and a roller is connected to the rotating shaft. The novel intelligent unmanned feeding ship is provided with the rotary groove throwing device, bait enters a groove of the rotary groove throwing device from the feed box, the bait is evenly thrown into water by rotating the roller to a certain angle, and the groove throwing device can accurately and quantitatively control the feeding speed and the feeding amount through an intelligent control system, effectively reduce the feed breakage rate and achieve uniform throwing.

A small scale dynamic activity which comprises the use of a method, a hand-operated apparatus, a shooting apparatus, and a playing surface platform, presented as a preferred embodiment in the format of a small scale adaptation of the sport of hockey. A hand-operated apparatus is used as goalie equipment with a method of defending a goal from forthcoming small pucks. A shooting apparatus allows rotating a paddle member to control and propel such small pucks. A playing surface platform complements the use of the method along with these two apparatuses within shielded boundaries. The hand-operated apparatus can be positioned in a pose representative of goalie equipments and of bending of limbs. Furthermore, the present invention can be composed of different arrangements for alternative embodiments such as new types of games or to allow small scale adaptation of a physical activity.

The paddle-shaped racket (10) includes a flat-shaped head frame (20) with two parallel hitting surfaces (22) and a perimeter with at least one depression (24). A handle (30) is connected with the head frame (20).

A stand-up inflatable paddle board (2) comprises (i) a deck (4); (ii) a valve (6) for enabling the stand-up inflatable paddle board (2) to be inflated and deflated; (iii) indicator means (12) for indicating that the stand-up inflatable paddle board (2) requires at least one fold which is longitudinal when the stand-up inflatable paddle board (2) is to be placed in a deflated condition; and (iv) atleast one deck pad (8, 10) which extends longitudinally of the deck (4) and which is for receiving a user of the stand-up inflatable paddle board (2), and the stand-up inflatable paddle board (2) being such that (v) the deck pad (8, 10) causes the stand-up inflatable paddle board to have a gap (14) which permits the fold to be effected about the gap (14).

The invention discloses a paddle operation interlocking method and device for a variable-pitch system of a wind generating set. The paddle operation interlocking can be realized by respectively adopting software control logic and hardware control logic. According to the paddle operation interlocking method for the variable-pitch system of the wind generating set, firstly, communication among three variable-pitch cabinets in the variable-pitch system is established, so that the variable-pitch positions of any two variable-pitch cabinets in the variable-pitch system can be fed back to the third variable-pitch cabinet, and in a service maintenance mode, when a variable-pitch manual operation box is used for carrying out variable-pitch operation on any paddle, the other two paddles are located at feathering positions, otherwise, the paddle cannot be subjected to variable pitch operation; and interlocking protection control logic is operated through the fan main controller. In the service maintenance mode, the variable pitch mode flag bit f is equal to 1; a fan high-speed shaft brake is always in an input state and cannot be loosened; and the fan main controller dynamically and circularly updates the state of the blade operation flag ai, and when the blade operation flag a2=a3=1, the blade 1 can perform feathering and opening operations.

The invention relates to the field of water sports equipment, in particular to a processing method for improving the water breaking capacity of an inflatable paddle board. The method specifically comprises the following steps: S1, reserving an external expansion part at the edge of an air cushion sheet, and designing the reserved width of the external expansion part close to the tip of the paddleboard to be greater than the reserved width of the external expansion part far away from the tip of the paddle board; and S2, bonding the two outer expansion parts of the two air cushion pieces, so that the bonding width of each outer expansion part close to the tip of the paddle board is smaller than the bonding width of each outer expansion part far away from the tip of the paddle board. According to the processing method for improving the water breaking capacity of the inflatable paddle board, the strength of the board head of the inflatable paddle board is guaranteed while the sharpness and the warping degree of the board head of the inflatable paddle board are improved, and the water breaking capacity of the inflatable paddle board is improved.

The invention relates to the technical fields of software program algorithms and communication, and provides a method capable of simulating one-boat rowing of multiple persons. The method comprises the following steps of: 1, collection of the data of pull ropes of rowing machines: acquiring real-time data of pull rope displacement of users through lower computers arranged on the rowing machines, uploading the data to upper computers arranged on the rowing machines, and enabling the upper computers to upload the pull rope displacement data of the users to a background server; 2, data analysis: synchronizing the pull rope displacement of a plurality of rowing machines in the same boat; 3, data judgment: judging whether paddles of paddle positions where the plurality of rowing machines in the same boat are located are synchronous or not and whether the paddles are beaten or not; 4, real-time display: displaying a judgment result on displayers of the rowing machines in real time; and 5, feedback of a result: allowing the users to timely adjust their own motion postures according to a prompt so as to keep the synchronous rowing experience of the multi-person boat. The defect that an existing rowing machine cannot be used for multiple persons to row on the same boat is overcome in the prior art.

The invention discloses a novel inflating paddle board. The novel inflating paddle board comprises a front air chamber, a rear air chamber and a middle board body; the middle board body is positionedbetween the front air chamber and the rear air chamber; the upper surface and the lower surface of the middle board body are both correspondingly bonded with the front air chamber and the rear air chamber through PVC connecting strips; the side surfaces of the front air chamber, the middle board body and the rear air chamber are connected with each other through integrally coated PVC connecting strips; the front air chamber and the rear air chamber are both airbags made of drawing air cushions; the core of the middle board body is a polyurethane foam board; and glass fiber reinforced plastic sticky nets are arranged on both the upper surface and the lower surface of the polyurethane foam board. The novel inflating paddle board has the advantage that the novel inflating paddle board can beinflated and deflated and is convenient to carry; and moreover, the novel inflating paddle board is a multi-air chamber structure; when any air chamber is broken, the novel inflating paddle board canbe drawn back to the shore by using the middle part; and therefore, the use safety is higher; in addition, as the middle board body is of a glass fiber reinforced plastic reinforcing structure, the hardness and strength of the inflating paddle board can be obviously improved so that the control forces of operators to the paddle board are more powerful.