51 results about "Rolling sphere" patented technology

An optical mouse is operated on a work surface and includes at least one light emitter for emitting a light beam; a light receiver contained by a casing; a rolling ball arranged on the casing and opposite to the light receiver. The light beam has only one reflection by the rolling ball during an optical path thereof and then is detected by the light receiver. The rolling ball is made of transparent material and the distance thereof with the light receiver is adjustable to vary image resolution. The optical mouse can be turned over and placed on a notebook computer for using as a track ball.

One aspect of the present invention includes an adjustable balance board for use in rehabilitation, fitness training, and action sports such as skateboarding, snowboarding, and surfing. The balance board comprises of a solid standing platform placed on top of a variety of fulcrums. The fulcrums include, but are not limited to, a fixed half sphere, a free rolling cylinder, and a free rolling sphere. A railing system on the underside of the board acts to contain the fulcrum within the available rolling space. The available rolling space is made adjustable by two removeable end stops, each with a mechanism that secures the end stop to the railing system.

This invention discloses an omnidirectional rolling sphere Robot device with stable platform, belonging to mechanical technology field, which relates to device for controlling the over land vehicle, watercraft two-dimension walking in non-electric variable controlling-adjusting system, mainly used to solve problems of executing different experiments and testing in present robot device without relative stable platform, install equipment. The invention comprises external shell, motor, rotary table, weight, internal shell, stable platform and plat stable machine located in external and internal shell. Wherein, the inner shell and outer are located with one center, stable platform composed by ball bearing and stub is located in the inner shell, and stays state of stable translating motion. The invention can be applied in exploring, transportation, detection, entertainment and military.

The invention belongs to the field of environmental engineering, environmental science, bioengineering, and water supply and drainage science and engineering, and relates to a cylindrical shallow layer sediment sampler, which comprises a sediment sampling device and a sediment sample cutting packaging device sleeved inside the sediment sampling device, wherein the sediment sampling device comprises a lower handle, an outer bush, a guider and a sampling head, the lower handle, the outer bush, the guider and the sampling head are sequentially connected, the sediment sample cutting packaging device comprises an upper handle, an inner drive rod and a rolling sphere, the upper handle, the inner drive rod and the rolling sphere are sequentially connected, the inner drive rod and a fixation nut arranged on an inner hole of the outer bush form a matched threaded connection, downward movements of the inner drive rod and the rolling sphere drive an upper drive block, a lower drive block, an inner bush, a barrier block and a cutting cutter head to move down, the lower portion of the cutting cutter head gradually invert inward and encloses with position limitation of the guider, and the upper handle is positioned on the upper end surface of the sediment sampling device. The cylindrical shallow layer sediment sampler has the following advantages that: characteristics of labor saving, convenience and high efficiency are provided during sampling, the sampled sample is complete, and the sampler can be adopted as a sampling device for sediment and sediments.

The invention discloses a method for automatically detecting the position of a nipple in a molybdenum target image. The method comprises the following steps that: S1, a mammary gland molybdenum targetimage is read and is preprocessed; S2, the size of a nipple in the mammary gland molybdenum target image is compared with a set standard value, if the size of the nipple in the mammary gland molybdenum target image is greater than or equal to the set standard value, the method enters a step S3, if the size of the nipple is smaller than the set standard value, the method enters a step S4; S3, themammary gland molybdenum target image is classified by using a rolling sphere method, and the position of the nipple is detected; and S4, a BBST (Rubber band straightening transform) algorithm is usedto straighten a breast edge in the mammary gland molybdenum target image into a rectangular RBST image, pixels along the breast boundary are mapped into the first row of the RBST image, and pixels along the normal of the object boundary are mapped into the RBST image according to columns. The method of the invention has the advantages of high accuracy, high efficiency and high robustness. With the method adopted, the multi-perspective analysis potential of the mammary gland molybdenum target image can be improved, the diagnostic accuracy of breast cancer can be improved, and the survival probability of patients with cancer can be improved.

An electronic light source which replaces the hazardous tritium light source used in the existing Muzzle Reference System (MRS) found on the M1 Series of tanks. The MRS is mounted near the muzzle end of the gun (opposite the breech) and is used by tank gunness to measure gun deflection for calibration of the tank's fire control computer to optimize accuracy. The electronic light source is an LED which is activated by the pulses from a microcontroller based on the input received from a small, low power, omnidirectional motion sensor which detects the movement of the tank mounted on the tank. In the current implementation, the motion sensor comprises a conductive rolling sphere in a cylindrical chamber having a conductive wall with one electrical pole and end plates electrically insulated from the conductive wall and having the other electrical pole such that movement of the element caused by movement of the cylinder will generate intermittent electrical contact between one end plate and the cylinder wall. The signals produced are fed to the microcontroller which through the operation of its oscillator energizes the LED. The oscillator frequency is selected to eliminate EMI detection. The activation of the LED is prepared in such a manner to extend battery lite by minimizing power drain, a thermometer is employed for temperature control of the LED and other electronic circuit elements.

The invention discloses a method for segmenting an aortic-valve ultrasound image sequence based on an interframe-shape-constraint GCV model. The method includes the following steps: acquiring a group of ultrasound images and carrying out Wiener filtering; calculating a gradient vector flow field of each image frame by frame and adding the gradient vector flow fields to a CV model as energy constraints and obtaining the GCV model; through defining an initial constraint shape and adding the initial constraint shape into the GCV model as an energy constraint item and then minimizing an energy functional so that a segmentation result of a first frame of image is obtained; and carrying out filtering of a rolling sphere method on the aortic-valve segmentation result of an adjacent previous-frame image and adding the obtained result into the GCV model as an energy constraint item so that the segmentation result of a current frame is obtained through calculation. The method for segmenting the aortic-valve ultrasound image sequence based on the interframe-shape-constraint GCV model is operated on short-axis images of ultrasonic cardiograms so that not only is work load of doctors reduced, a problem that serious overflow in segmentation of the aortic-valve ultrasound images in the prior art is also solved. The segmentation result is extremely close to the result of manual segmentation. The method enables the aortic valve to be segmented in a simple and highly-efficient manner.

The invention discloses a universal sounding lead device. The universal sounding lead device comprises a rolling sphere. The rolling sphere is formed by connecting two semispheres through a middle rotating shaft. A rotating rod is arranged in the gap between the two semispheres. An annular through hole is formed in the bottom end of the rotating rod. The middle rotating shaft between the two semispheres penetrates through the annular through hole in the bottom end of the rotating rod, a limiting block is arranged at the top end of the rotating rod, and threads are arranged in the position, above the limiting block, of the surface of the rotating rod. A suspension part is arranged at the top end of the rotating rod in a sleeved mode through the through hole. A setscrew nut is screwed to the top end of the rotating rod, so that the suspension part is fixed between the nut and the limiting block. According to the universal sounding lead device, by the arrangement of the suspension part which can horizontally rotate around the rotating rod and the rolling sphere which can move front and back, the universal sounding lead device can move in any direction on sounding pipes; the universal sounding lead device is suitable for sounding pipes on a vertical section and also can be applied to sounding pipes with continuous elbows, and is wide in application range and high in practicality.

This invention relates to double rolling bear oil extraction bar correction device, which comprises corrector bar with screw on ends, composite correction cover, rolling bar, limit ring and fix ring. The invention is characterized by the following: setting two correction cover with each one composed of two correction blocks and four or six hard nanometer ceramics rolling sphere part as hole tank of protruding part with anti-ware and anti-erosion property; the rolling sphere part is in order of four or six edges.

The invention provides a handheld training device with a circular pipe with a built-in rolling ball, and belongs to the field of physical exercise equipment. The handheld training device has the advantages that the training device can conduct periodic circling motion in one plane, and the arm strength of the arms is trained while the coordinate ability of muscles of the whole body can be trained. The training device is composed of a circular pipe (1), a handheld shaft (2) and the rolling ball (3). The circular pipe is a pipe bent to be in a circular ring shape. The middle of the portion, bent to be in the circular ring shape, of the circular pipe is the handheld shaft which can be held by the hands conveniently, and the rolling ball is located in the circular pipe and can roll freely in the circular pipe. The circular pipe is formed by machining metal or plastic and provided with a plurality of small holes so that movement of the rolling ball can be observed conveniently. The handheld shaft is formed by machining metal, the surface of the handheld shaft is wrapped with plastic or rubber, and the feeling in holding the handheld shaft by hands is improved. The rolling ball is made of metal materials and silica gel and in a spherical shape, the middle of the rolling ball is a solid metal ball, the weight is mainly provided by the solid metal ball, and the surface of the rolling ball is wrapped with the silica gel and mainly used for buffering and damping when rolling.

The invention provides a rope belt symmetrizing tension device which comprises a supporting seat, a lead rail pressure plate, a bearing inner ring, a bearing outer ring, a bearing rolling sphere, a hydraulic cylinder and a tension wheel. Two parallel inner sides of the bearing inner ring are buckled with the lead rail pressure plate to form a V-shaped movable lead rail face and form a V-shaped movable lead rail pair with a lead rail face on the supporting seat; the bearing outer ring is formed by a bearing left outer ring and a bearing right outer ring which are buckled together; a cylinder of the hydraulic cylinder is mounted on the bearing inner ring, and a piston rod of the hydraulic cylinder is connected with a supporting plate; and the tension wheel is fixed on the bearing outer ring. The invention has reasonable structure, can dynamically adjust the position of the tension wheel through the hydraulic cylinder and realizes tension adjustment through the movable lead rail pair, thereby ensuring that each string-bead rope has table and adjustable tensioning force in multi-rope transmission and symmetrizing the tensioning force of each rope.

The invention discloses an outer floating roof storage tank with lightning rods and a metal roof. The outer floating roof storage tank comprises a tank body, a floating roof, the metal roof and the lightning rods, the metal roof is erected outside the floating roof, a supporting column and tank roof angle steel are welded, and the supporting column and the tank body are reliably and electrically connected; the plurality of lightning rods are arranged above the metal roof, lightning rod supporting rods are fixed on a fixing supporting part which is pre-installed and is located on a metal plate,the lightning rods are made of hot-dip galvanized round steel or steel pipes, moreover, the sectional area of each lightning rod is not smaller than 176mm<2>, the length of each lightning rod is 2m,the diameter of each lightning rod is not smaller than 16 mm, the lightning end of each lightning rod is in a hemispherical shape, and the bending radius of each lightning end ranges from 4.8mm to 12.7mm. The protection range of the lightning rods is calculated through a rolling ball method, the number and the positions of the lightning rods are determined, the lightning rods are arranged above the metal roof and are in reliable electrical connection with the metal plate, so that direct lightning protection is achieved on the metal roof, the metal roof of the outer floating roof storage tank is prevented from being directly hit by the thunder and lightning, through the metal roof, the influence exerted by natural factors such as rainwater and sunshine on internal accessories can be reduced, moreover, the damage caused by thunder and lightning induction on the interior of the storage tank can also be effectively avoided, so that multiple lightning protection on the outer floating roof storage tank is realized, and the occurrence frequency of fire accidents caused by lightning on the storage tank is greatly reduced.

A dustfree and waterproof rolling-ball optical mouse comprising: a concave housing (1); a rolling ball (3) movably engaged with said concave housing; a dustproof gasket (2) fixed on the concave surface of the concave housing; a leakage hole (22) of a conduit (4) defined in a center of said concave surface of said concave housing; an aperture (21) for allowing light through which is eccentrically defined in the bottom of said concave surface of said concave housing; and a waterproof tab (28) formed around the edge of said aperture.

The invention discloses a sphere electric iron, comprising not only an iron body, a bottom plate, a handle, a electric heating component, a temperature sensor, a control unit, but also rolling spheres, wherein, the rolling sphere is arranged on the bottom plate through bearings on the both sides and is protruding from the lower part of the bottom plate, so when ironed, the clothing are contacted through rolling friction contact clothing but sliding friction; the electric heating component is arranged in the ball, the positive and the negative power cords is led out separately by the bearings on the both sides of the rolling sphere after electric brushes; the temperature sensor locates above the rolling sphere, below the iron body. The structure of the invention is simple, the rolling sphere irons folds through stress concentration, the ironing efficiency for folds is improved, and the invention is suitable for all electric irons.

The invention relates to the technical field of metal plastic forming processes and equipment, and provides a rotary cage type hemisphere screening device for oblique rolling sphere production. The device comprises a screening rotary cage, a main shaft, a hemisphere guide-out trough, a hemisphere collecting bin, a sphere feeding channel, a sphere discharging channel, a power unit and a rack. The screening rotary cage is mounted on the rack through the main shaft and can rotate around the main shaft. The hemisphere guide-out trough is arranged below the screening rotary cage, and the hemispherecollecting bin is arranged below the hemisphere guide-out trough. The sphere feeding channel and the sphere discharging channel are arranged on the two opposite end faces of the screening rotary cagecorrespondingly. The power unit provides rotating power for the screening rotary cage through the main shaft. The power unit, the main shaft, the hemisphere guide-out trough and the hemisphere collecting bin are all mounted on the rack. According to the rotary cage type hemisphere screening device for oblique rolling sphere production, the structure is simple, the manufacturing cost is low, the screening effect is good, the manual cost is saved, the problem that hemispheres cannot be automatically detected out during production of oblique rolling steel spheres, copper spheres and other sphereparts is solved well, and wide application prospects are achieved.

Methods and systems for versatile and scalable board games include a double dovetail scalable board, crown, bridge, and door game pieces, tilting mechanisms and game play, rolling sphere game play, and a marble kinetic timer.

The invention relates to a rolling ball screening machine, which comprises a bracket, a hollow rolling ball, a rolling ball rotating shaft and a rolling ball abutting wheel; the support includes an upper pole and a lower pole; The outer vertically penetrates the center of the hollow rolling ball and is rotationally connected with the hollow rolling ball; the upper and lower ends of the rolling ball rotating shaft are respectively arranged on the upper support rod and the lower support rod; An upper sliding groove and a lower sliding groove are respectively arranged horizontally; the upper and lower ends of the rolling ball rotating shaft are respectively connected to the upper sliding groove and the lower sliding groove horizontally; and the upper spring and the lower spring in the lower sliding groove; one end of the upper spring is connected to the upper support rod, and the other end is connected to the upper end of the rolling ball rotating shaft; one end of the lower spring is connected to the lower supporting rod, and the other end is connected to the lower end of the rolling ball rotating shaft; The end of the upper end of the roller rotating shaft is also provided with an anti-down block.

The invention discloses a lining pipe attaching device and method for CIPP elbow repair. The lining pipe attaching device comprises sphere mechanisms capable of expanding. The multiple sphere mechanisms communicate through a pipeline mechanism. An attaching mechanism is arranged on the pipeline mechanism in a sliding manner. A traction assembly is arranged in each sphere mechanism. The traction assemblies in two adjacent sphere mechanisms are connected with the attaching mechanism through traction ropes, and thus the traction assemblies can drive the attaching mechanism to move in a reciprocating manner in the length direction of the pipeline mechanism through the traction ropes. The attaching mechanism comprises sliding rings sleeving the pipeline mechanism, a supporting disc, a first crank, a second crank and a rolling sphere. One end of the first crank is hinged to the supporting disc, and the rolling sphere is arranged at the other end of the first crank in a rotating manner. One end of the second crank is hinged to the siding rings, and the other end is hinged to the first crank. The device and the method solve the problem that after a traditional CIPP technology is utilized for repairing an elbow, a lining pipe cannot be effectively attached to the inner wall of a pipeline.

The invention discloses an installation track capable of achieving free rotating and swinging of a track lamp. The track comprises a track ring fixedly mounted on the top surface of a wall, wherein asliding groove is formed in a lower surface of the track ring, a track groove is formed in the groove bottom of the sliding groove, a plurality of rolling balls are installed in the track groove in arolling mode, a connecting rod is installed at the lower end of each rolling ball in a rolling mode, a lamp post is fixedly connected to the lower end of each connecting rod, and a lamp body is fixedly installed at a lower end of each lamp post. The installation track capable of achieving free rotating and swinging of the track lamp is advantaged in that the track lamp can irradiate and rotate andswing on the installation track at the same time, so lamplight swings left and right along with the track lamp, the atmosphere in an exclusive store is effectively improved, selling is promoted, thesales volume is increased, functions are rich, and practicability is good.

The invention discloses a straight tube pin hook type spherical omnidirectional wheel which comprises a rolling sphere, an inner tube body covering the rolling sphere, a plurality of movement-guidingrolling balls and an outer tube body, wherein the movement-guiding rolling balls are arranged at the inner upper part of the inner tube body and in contact with the surface of the rolling sphere; a fixing bolt is mounted on the top of the outer tube body and used for connecting to other devices; pin hook assemblies are arranged on the outer circumference of the outer tube body; the pin hook assemblies comprise fixing frames and pin hooks; the pin hooks are mounted on the fixing frames and pivoted on the fixing frames; a pin hook groove is arranged in the outer tube body; hooks of the pin hooksare utilized to penetrate into the pin hook groove and to be pressed against the top surface of the inner tube body; and the tube body inner height of the outer tube body is greater than the height of the inner tube body and the rolling sphere after combination. In the straight tube pin hook type spherical omnidirectional wheel, the rolling sphere, the rolling balls and the inner tube body are used as the omnidirectional wheel; the outer tube body is used as a lifting support leg and supported by a compression spring; and a guide protrusion cooperates with a guide groove. By virtue of the pinhook assemblies, the straight tube pin hook type spherical omnidirectional wheel can not only preserve all functions of the omnidirectional wheel but also realize the same function of an ordinary table leg when movement is not required. The structure is simple to manufacture, easy to implement and convenient to use.

The invention belongs to the field of environmental engineering, environmental science, bioengineering, and water supply and drainage science and engineering, and relates to a cylindrical shallow layer sediment sampler, which comprises a sediment sampling device and a sediment sample cutting packaging device sleeved inside the sediment sampling device, wherein the sediment sampling device comprises a lower handle, an outer bush, a guider and a sampling head, the lower handle, the outer bush, the guider and the sampling head are sequentially connected, the sediment sample cutting packaging device comprises an upper handle, an inner drive rod and a rolling sphere, the upper handle, the inner drive rod and the rolling sphere are sequentially connected, the inner drive rod and a fixation nut arranged on an inner hole of the outer bush form a matched threaded connection, downward movements of the inner drive rod and the rolling sphere drive an upper drive block, a lower drive block, an inner bush, a barrier block and a cutting cutter head to move down, the lower portion of the cutting cutter head gradually invert inward and encloses with position limitation of the guider, and the upper handle is positioned on the upper end surface of the sediment sampling device. The cylindrical shallow layer sediment sampler has the following advantages that: characteristics of labor saving, convenience and high efficiency are provided during sampling, the sampled sample is complete, and the sampler can be adopted as a sampling device for sediment and sediments.

The invention relates to a mortar, in particular to a manual rolling-sphere-type mortar. The manual rolling-sphere-type mortar comprises a lower pot body and an upper pot body, the lower pot body and the upper pot body are provided with hemisphere-shaped cavities equal in diameter, two semicircle holes are symmetrically formed in the contact surfaces of the lower pot body and the upper pot body respectively, the opening of the upper pot body is provided with a circle of protruded block, the protruded block is in transition fit with the opening of the lower pot body, a cap is arranged on the top end of the upper pot body, a threaded protruded block is arranged on the lower end of the cap, the cap is in treaded connection with the upper pot body, the diameter of a rolling sphere is 3-5mm lower than the cavity diameter of the upper pot body or the lower pot body, a pair of rocker arm are symmetrically arranged on the two sides of the rolling sphere, and concave and convex lines are formed in the surface of the rolling sphere. When the manual rolling-sphere-type mortar is in use, the food can be put inside the pot and the rolling sphere is shaken by hand grinding to conduct grinding and food scattering outside the pot can be effectively avoided.

An optical slide mouse with rolling ball is composed of a shell with a planar bottom having the first opening, a ball in said shell, and a light source in the shell for generating light beam to irradiate said ball, and a control circuit in the shell and having an optical recognizing unit for recognizing the change in reflected light of ball.

The invention discloses an agglomerate fog detection device for an expressway based on the Internet of Things. The device comprises a device body; a bearing partition plate is fixedly mounted in the device body and close to the upper end; a rotating motor is fixedly mounted in the middle of the upper end of the bearing partition plate; a rotating shaft is mounted at the upper end of the rotating motor; a sleeve is arranged on the outer side of the rotating shaft; a rolling ball is installed at the upper end of the rotating shaft; a solar panel is arranged on the rolling ball; a supporting rodis fixedly connected between the outer side face of the sleeve and the upper end of the device body; a storage battery is fixedly installed on the surface of the lower end of the bearing partition plate; an oil cylinder is arranged below the storage battery; and a telescopic pipe is installed at the right end of the oil cylinder. The agglomerate fog detection device has a good adjustment effect, can save electric energy, realizes an accurate detection function, has a good detection effect, can improve the visibility in a certain area, and has a good agglomerate fog treatment function.

The invention provides a direct lightning protection device. The device comprises a high-energy voltage-sharing and current-dispersing protective cover, a current conduction positioning shaft and a high-energy biexponential function charge loading bin; the high-energy voltage-sharing and current-dispersing protective cover is arranged at the upper part of the device, the high-energy voltage-sharing and current-dispersing protective cover is rotatably connected with the current conduction positioning shaft, and the current conduction positioning shaft is electrically connected with a semiconductor in the high-energy biexponential function charge loading bin; a positioning lightning receiving area is arranged at the central point of the highest curved surface of the high-energy voltage-sharing and current-dispersing protective cover; a high-electric-field focusing lightning receiving positioning end of a columnar semicircular electric field is installed at the center circle point of a positioning lightning receiving area, each lightning receiving point of the device occurs at the high-electric-field focusing lightning receiving positioning end in the lightning receiving process of the device and an atmospheric electric field, and a high-energy double-exponential-function charge loading bin attenuates lightning current. According to the invention, the lightning receiving phenomenon is positioned without the phenomena of surrounding lightning and side lightning, the lightning ball rolling effect can be ensured to the maximum extent, and the technical significance of functionallightning receiving of the protection angle is improved to the maximum extent.

A ball rolling unit for fun to initiate vision and hand coordination for pre-school children includes multiple canopies, a section of course extending downward at a certain inclination being sewn to each canopy; an inner peripheral of each course and its corresponding sides being sewn with hooks and loops of a Velcro to open or close each course; and a ball rolling upon the ball rolling unit for pre-school children standing around the ball rolling unit to roll the ball thereon by holding an edge of the ball rolling unit to pull it up and down for learning to focus on movement of an object and agile reaction of their hands in various forms of the game with each channel opened, closed, or formed into a pocket.

The invention discloses a lightning protection communication tower with higher safety. The lightning protection communication tower comprises a tower pole, a fixing sleeve, a lightning rod, a support and an antenna. The fixing sleeve sleeves the tower pole, an annular groove is formed in the peripheral side of the fixing sleeve, a rotating ring sleeves the fixing sleeve, and the rotating ring is rotationally connected with the fixing sleeve through the annular groove. The support is fixedly connected to the surface of the rotating ring, the antenna is arranged on the support, a plurality of spherical grooves are formed in the upper surface and the lower surface of the rotating ring, and rolling balls are connected into the spherical grooves in a rolling mode. According to the lightning protection communication tower with the higher safety, the rotating ring is rotationally connected with the peripheral side of the fixing sleeve, blowing of strong wind on the antenna and the support can enable the rotating ring to rotate, wind power is unloaded, the tower pole is prevented from being broken and damaged due to the fact that shearing force borne by the tower pole is too large, and the service life of the lightning protection communication tower is prolonged.

A new type of special intelligent thermometer for detecting hydraulic lifts, including a fixed plate, the lower surface of the middle part of the fixed plate is fixedly installed with a connecting piece, the lower end of the connecting piece is fixedly installed with a fixed column, and the middle and lower end of the fixed column is sleeved with a shell. The lower end of the fixed column is fixed with a display, and the lower end of the display is fixed with a heat conduction block. The upper end of the heat conduction block is fixedly connected with the lower end of the heat conduction block through a connecting rod. Iron sheet, two symmetrical contact lamps are fixedly installed on the inner wall of the housing. Through the combined use of the fixed piece, the rolling ball and the stopper, it can be effectively stuck on the measuring part of the elevator, ensuring that in a vibrating environment, when the device is measuring, the measuring point will not shake due to the vibration, thus It can accurately measure the temperature of the components of the machine.