320 results about "Spherical body" patented technology

A pickleball apparatus is disclosed, wherein the pickleball apparatus comprises a spherical body and a plurality of holes defined therethrough. The plurality of holes may be defined through the spherical body from an exterior surface of the spherical body to an interior surface of the spherical body. Each of the plurality of holes may be countersunk to the exterior surface to form an outer ring and an inner ring. Each of the plurality of holes may taper from the outer ring to the inner ring such that the inner ring has a diameter that is less than a diameter of the outer ring, the outer ring is coterminous with the exterior surface of the spherical body, and the inner ring has an inset depth relative to the exterior surface of the spherical body.

An apparatus and methods are provided for a quiet pickleball. The quiet pickleball includes a spherical body comprising a sound dampening layer surrounding an inner plastic layer. Holes extend through the spherical body into a hollow interior. The sound dampening layer reduces the noise exhibited when the pickleball is hit with a paddle. The sound dampening layer can be attached to the exterior of a plastic pickleball or can be co-molded or injection molded during forming the pickleball. In one embodiment, the sound dampening layer is a felt pad adhesively attached to the exterior of the pickleball. A die enables cutting the felt pad to a shape that enables covering the exterior of the pickleball. An indexing jig enables attaching the felt pad to the pickleball such that holes in the felt pad are aligned with holes in the pickleball.

The invention discloses a hollow silicon dioxide microsphere with a double-layer shell structure and a preparation method thereof, the hollow silicon dioxide microsphere with the double-layer shell structure is a spherical body comprising an inner core layer and an outer shell layer, the inner core layer and the outer shell layer are spherical bodies, the inner core layer and the outer shell layer form the double-layer shell structure, the inner core layer is located in the outer shell layer, and the outer shell layer is located in the outer shell layer. The interior of the inner core layer is of a hollow structure, a hollow structure is formed between the inner core layer and the shell layer, and the thickness of the inner core layer is 10-100 nm; the thickness of the outer shell layer is 10-50nm; the distance between the inner core layer and the outer shell layer is 5-100nm, mesopores are uniformly distributed in the inner core layer and the outer shell layer, and the pore diameter of the mesopores is 1-10nm. The hollow silicon dioxide microsphere with the double-layer shell structure is uniform in particle size distribution, good in monodispersity, relatively high in strength and good in dispersity. The preparation method of the microspheres is simple and easy to implement and easy to industrialize, and the hollow silicon dioxide microspheres with the double-layer shell structure can be prepared through a self-template method and a simple and effective selective etching strategy.

This application discloses smart cat teasing unicycle, which at least includes a spherical body, a drive assembly, and an annular part. The spherical body is situated within the annular part and contains an installation space. The drive assembly is mounted on the spherical body and is located within the installation space, featuring a rotating shaft. The annular part has two contact ends with the spherical body. One contact end of the annular part is rotatably connected to the spherical body, while the other contact end is drivingly connected to the rotating shaft. The line connecting the two contact ends coincides with the axis of the rotating shaft, and this line passes through the center of the spherical body. This application can enhance the duration and interest of pet playtime.

The invention is suitable for the technical field of industrial robot bearings, and provides a bearing for an industrial robot, the bearing comprises an inner bearing assembly and an outer bearing assembly, the inner bearing assembly is sleeved and matched with the outer part of the outer bearing assembly, and a ball body is in rolling fit between the inner bearing assembly and the outer bearing assembly; and the outer bearing assembly comprises an outer bearing part, an oil storage part clamped and matched in the outer bearing part, a cover body part clamped and matched on the outer bearing part, and an extrusion part clamped and matched in the outer bearing part. The problems that under the condition that an existing bearing for the industrial robot is installed and used, lubricating agents need to be added to the whole bearing for the industrial robot through other external tools, intermittent adding of the lubricating agents cannot be synchronously conducted in the using process, and consequently the lubricating agents cannot be added synchronously in the adding process of the lubricating agents are solved. And an excessive phenomenon is caused.

The invention relates to the technical field of pole piece welding, in particular to a composite current collector welding structure which comprises a first connecting piece and a second connecting piece, the first connecting piece and the second connecting piece are arranged on the upper face and the lower face of the welding end of a composite current collector respectively, and the first connecting piece is provided with a melting groove used for welding the composite current collector into the melting groove. The second connecting piece is matched with the melting groove in size and shape and is in close fit with the melting groove, welding is carried out in the melting groove, and the melting groove is filled with the second connecting piece, so that a molten current collector can flow along a gap between the first connecting piece and the second connecting piece, and the situation that the welding strength is reduced due to the fact that the molten current collector is gathered into a sphere under the action of surface tension is avoided; and the fluid is in good contact with the molten current collector in the melting tank under the action of pressure and temperature, so that a plurality of composite current collectors can be welded at the same time.

The utility model relates to the technical field of globes, and particularly discloses a globe capable of accurate positioning, which comprises a sphere, a support, a base, a laser lamp and a lamp strip, the lamp strip is arranged on the inner surface of the sphere, and the lamp strip surrounds different countries and regions on the sphere; the voice recognition module is installed in the base and used for conducting semantic recognition on voice of a user. The loudspeaker is mounted in the base and is used for outputting a corresponding audio band according to the voice of a user; the main board is installed in the base and used for extracting keywords of user voice and displaying corresponding positions in a highlight mode, controlling the ball body to rotate and display the corresponding positions and synchronously controlling the laser pen to irradiate the position, mentioned currently, of the audio segment according to the output audio segment. According to the utility model, the position corresponding to the voice of a user is displayed by rotating the globe, the related position of the introduction can be displayed through real-time irradiation of the laser pen while the introduction audio is output, the position can be accurately displayed, and the interactivity in the use process of the user is improved.

The utility model relates to the technical field of welding devices, in particular to a welding wire angle adjusting device for mine car hopper welding, which can lock a spherical body, reduce the degree of freedom of a sphere part, avoid the change of a conveying angle of a welding wire and improve the reliability. Comprising a wire reel frame and a mounting frame, the transverse rod is installed on the installation frame, the guide frame is installed on the transverse rod, a threaded hole is formed in the guide frame, the rotating ring is in threaded connection with the threaded hole of the guide frame through the external threaded pipe, the shell is installed on the guide frame, the rotating ring is located on the lower portion of the containing cavity of the shell, an open groove is formed in the side wall of the shell, and the spherical body is arranged in the open groove. The rotating ring is located in the open groove of the shell, a through hole communicated with the containing cavity is formed in the middle of the shell, a welding wire hole is formed in the middle of the spherical body, the spherical body is located between the hemispherical cavity of the rotating ring and the containing cavity of the shell, and the upper portion of the spherical body extends out of the upper portion of the shell through the through hole.

The utility model discloses a composite winter snow sweeping brush which comprises a connecting rod, an icebreaking component is in threaded connection with the inner wall of the upper end of the connecting rod, an icebreaking rod is inserted into the middle side of the upper portion of the icebreaking component, an icebreaking cone is fixedly connected to the upper end of the icebreaking rod, a fixing rod is fixedly connected to the lower side of the connecting rod, and a spherical body is fixedly connected to the lower side of the fixing rod and made of iron. A base is spherically hinged to the inner side of the spherical body, and a powerful switch type magnetic base is fixedly connected to the inner side of the base. The sculpture effectively solves the problems in the prior art that accumulated snow on the sculpture is inconvenient to clean, and the sculpture is easy to damage when ice is shoveled on the iced part of the sculpture.

This invention provides a dust concentration detection device and measurement method for underground drilling in coal mines. It includes a hemispherical glass body with an open top, containing a cleaning unit. The cleaning unit includes a vertically arranged annular cleaning frame, the center of which is collinear with the axial centerline of the glass body. A motor support frame is coaxially mounted on the top of the glass body, forming a spherical body with a hollow top. The bottom of the motor support frame is connected to the glass body, and its vertical top is connected to a coaxially mounted sleeve. An explosion-proof motor is also coaxially mounted inside the sleeve, with its output shaft connected to the top of the cleaning frame. The output shaft drives the cleaning frame to rotate around the central axis of the glass body. A point light source is also coaxially mounted on the inner top of the cleaning frame. A shadow sensor is also installed on the outer bottom wall of the glass body. The device of this invention has a fast response speed and can quickly capture instantaneous shadow changes, thereby achieving real-time continuous measurement.

The present invention addresses the problem of providing a ceramic spherical body that is not susceptible to breakage even when crushed and dispersed under high-temperature conditions at a liquid temperature of 60 DEG C or higher. The present invention is a ceramic spheroid containing zirconium oxide as the main component, containing 3.5 mol% to 8.0 mol% of CaO, having an average particle diameter of 0.01 mm to 0.3 mm, having a relative density of 99% or more, and having a ratio of monoclinic crystals as determined by powder X-ray diffraction measurement of 1 vol% or less.

The present application belongs to the technical field of material assembly, and relates to a blocking and discharging type material assembly equipment, which comprises a rack, a discharging device arranged at the top of the rack, a feeding device arranged below the discharging device, a plurality of hoses for connecting the discharging device and the feeding device, a clamping plate fixing table arranged below the feeding device, a plurality of round holes arranged on the clamping plate fixing table, a partition plate arranged between the feeding device and the clamping plate fixing table, a reciprocating movement mechanism connected to the partition plate, and a plurality of round holes arranged on the partition plate; the clamping plate fixing table is driven by front and rear conveying devices; and a pressing device is arranged on one side of the feeding device. The present application can simultaneously complete the assembly of hundreds of spherical bodies into the clamping plate in batches, has high assembly efficiency, low error rate, saves time and labor, and reduces labor cost.

A ball intercepting device and a supporting court equipment. The ball intercepting device includes a spherical body that is smooth on the bottom surface or / and the top surface and is cylindrical or disc-shaped. The side surface of the spherical body is made of an elastic material. A counterweight with the same center of gravity as the spherical body is fixed inside the spherical body. The spherical body includes an upper outer shell and a lower outer shell that are fixedly connected. An upper inner shell is further provided inside the upper outer shell, and a lower inner shell corresponding to the upper inner shell is fixed inside the lower outer shell. After the upper outer shell and the lower outer shell are fixed, the upper inner shell and the lower inner shell are also correspondingly fixed. A cavity is provided between the fixed upper inner shell and the lower inner shell, and a counterweight is fixed in the cavity. The counterweight has the same center of gravity as the spherical body. The court equipment supporting the ball intercepting device includes a main court. A rebound board is fixed on the main court, and the side surface of the rebound board is elastic. The main court is a smooth plane. The present invention has low requirements for the venue, and spherical bodies of different sizes can be selected according to the levels of different sports enthusiasts, with a low sports threshold.

The invention discloses a vortex type edge sensor probe, which comprises a differential block and a target plate which are fixedly clamped on the back surfaces of two adjacent sub-mirrors through a three-point stress application mechanism respectively, and sensing units are arranged in the differential block and the target plate; a positioning table is arranged below the target plate, a positioning check block and a plunger seat are arranged on the positioning table, and the clamping part of the target plate is located on the inner sides of the positioning check block and the plunger seat; the three-point stress application mechanism comprises a rooting block, a clamping piece, a locking nut, a screw rod, a leaf spring, a pressure spring and an adjusting nut, a pressure equalizing sphere is arranged on the bottom surface of the leaf spring, and spherical grooves matched with the pressure equalizing sphere are formed in the top surfaces of the differential block and the target plate. Rapid and accurate positioning of the target plate in the horizontal direction is achieved through the specifically designed positioning structure, and vertical positioning and clamping of the differential block and the target plate on the sub-mirrors are achieved through the three-point stress application mechanisms arranged in the two sub-mirrors respectively; and the rooting blocks and the sub-mirrors are detachably assembled, so that the assembling operation is quick and convenient.

The optical system includes an optical device, the optical device being a spherical body or having a spherical shape, and the optical device including: a first spherical surface; a plurality of block bodies which are adjacent in pairs, wherein the plurality of block bodies which are adjacent in pairs cover the first spherical surface; and at least one optically transparent filling substance accommodated in the spherical cavity of the optical device. The optical system includes: a curved focal plane surrounding an optical device and on which an image generated by the optical device is focused; and a receiving device including a plurality of chambers arranged at a curved focal plane. Each chamber includes a field lens and a diaphragm disposed downstream of the field lens with respect to a center of the optical device. A center of the diaphragm is located on an optical axis of the field lens such that an optical projection of the diaphragm on the optical device through the field lens defines a virtual diaphragm extending into the optical device.

The utility model discloses a doll claw and an animal doll, relates to the technical field of dolls, and is used for solving the problem that an existing aromatherapy doll is not provided with an aromatherapy storage structure, the doll claw comprises a claw surface connecting plate and a meatball-shaped bin body, and a connecting pad is arranged at the bottom of the meatball-shaped bin body. A plurality of clamping pieces clamped with the clamping holes are arranged at the bottom of the connecting pad, an aromatherapy capsule is arranged in the meatball-shaped bin body, and a plurality of volatilization holes are formed in the meatball-shaped bin body. The animal doll comprises a doll body, claw faces are arranged at the ends of the four limbs of the doll body, and claw face connecting plates of doll claws are fixed to the claw faces. The doll claw is provided with the replaceable meatball-shaped bin body, aromatherapy capsules can be stored, and the problem that an existing aromatherapy doll is not provided with an aromatherapy storage structure is solved. According to the animal doll designed by the utility model, the doll claws are adopted, so that the fragrance can be continuously released, and the attractive appearance of the doll is kept.

The utility model discloses a reaming and ball drilling compound tool for machining a spherical surface of a steering knuckle, and relates to the technical field of machining tools. The cutter is provided with a cylindrical cutter body, a spherical body and a guide rod are integrally formed at the end of the cutter body in sequence, and the diameter of the cutter body, the maximum diameter of the spherical body and the maximum diameter of the guide rod are gradually reduced in sequence; the axis of the cutter body, the sphere center of the spherical body and the axis of the guide rod are all located on the same straight line. The spherical body is provided with an arc-shaped cutting edge for processing a spherical surface; the guide rod is provided with a cutting part; the cutting part comprises a cutting edge used for cutting materials, and the cutting edge is arranged outwards in the radial direction of the guide rod. The spherical body is arranged on the cutter body, the cutter body is firstly punched, then the spherical surface is machined through the spherical body, and the machining precision is higher. By changing the diameter of the cutter body, the machining allowance is increased, so that errors caused by the fact that equipment rotates the cutter body in the machining process are avoided, and dependence on the rotating precision of the equipment is avoided.

The invention discloses a detection robot with a composite motion mode. The detection robot comprises a spherical body, a six-foot crawling mechanism, a swing arm and a driving mechanism. The six-foot crawling mechanism is arranged at the bottom of the spherical body, and the six-foot crawling mechanism has a crawling state of extending out of the spherical body and a storage state of deforming into the outer cambered surface of the bottom of the spherical body; the two swing arms are respectively arranged on two opposite sides of the spherical body in a swinging manner; the driving mechanism is arranged in the spherical body, and when the detection robot becomes spherical, the driving mechanism is used for controlling the two swing arms to swing and make contact with the ground so as to drive the detection robot to roll; according to the scheme, the advantages of a spherical robot and the advantages of a hexapod robot are combined, and the robot can move by changing modals according to different environments and requirements so as to adapt to different application scenes.

Rearview mirror structure, which is a structure of each of the rearview mirrors (10L and 10R), comprising: a mirror body (11) which forms a mirror surface (11a), a mirror holder (12) which holds the mirror body (11); a front cover (16) which covers the mirror holder (12) from a side opposite the mirror body (11); and a mirror support (27) which holds a mirror assembly (19) comprising the mirror body (11), the mirror holder (12) and the front cover (16) to a vehicle body, wherein a ball stud (28) which is positioned on a tip end section of the mirror support (27) is inserted in a space (A1) between the mirror holder (12) and the front cover (16), wherein a spherical body (28a) of the ball pin (28) is rotatably held within the space (A1) by a support (21) which is attached to the mirror holder (12), wherein the mirror holder (12) comprises a holder side recess (13) into which the spherical body (28a) is inserted, wherein the holder (21) comprises a holder side recess (22) which faces the holder side recess (13) and into which the spherical body (28a) is inserted, wherein the spherical body (28a) is clamped between the holder side recess (13) and the holder side recess (22), and the holder (21) and the mirror holder (12) are fastened to each other with a bolt (B1) and a nut (N1), and therefore the spherical body (28a) is held between the holder side recess (13) and the holder side recess (22), and wherein the bolt (B1) and the nut (N1) which fasten the bracket (21) and the mirror holder (12) to each other are tightened together via a collar (K1) through which the bolt (B1) is inserted.

The utility model provides a bi-directional sealing ball valve, which relates to the ball valve field and comprises a shell and a ball body, a sealing groove is arranged in the shell, circular grooves are circumferentially arranged on two sides of the inner wall of the sealing groove at equal intervals, and extrusion components are arranged on two sides of the inner wall of the sealing groove. A sealing piece body is fixedly installed on one side of the extrusion plate, the surface of the sealing piece body is attached to the surface of the ball body, a first circulation hole is formed in the surface of the ball body, and a second circulation hole is formed in the shell. According to the utility model, through the elasticity of the spring, the extruding plate always extrudes the sealing piece body, so that the sealing piece body and the ball body are tightly attached, the sealing effect of the device is kept, and the corresponding connector is found by comparing the pipeline with the connector fixedly mounted on the other side of the shunting block, so that the sealing effect of the device is ensured. The pipeline is connected with the connector by unscrewing the sealing cap, so that the pipeline can be mounted according to the size during connection.

The application relates to the technical field of building materials, and discloses an L-shaped ALC corner wallboard, which comprises a corner reference plate and a corner adjusting plate, the corner adjusting plate is arranged on one side of the corner reference plate, one side of the corner reference plate is provided with a circular arc surface, the corner adjusting plate is provided with an arc-shaped groove, the inner wall of the arc-shaped groove is in contact with and matched with the circular arc surface, the installation and connection of the corner reference plate and the corner adjusting plate are completed in the mode that circular clamping blocks and connecting pieces are clamped, the strip-shaped pressing plate is driven to move by rotating the lower pressing disc, the position of the pressing plate is adjusted, the pressing plate is away from the corresponding circular clamping block, the corresponding two circular clamping blocks are away from the connecting spherical body, the connecting spherical body can be taken off from the circular clamping block, and the corner reference plate and the corner adjusting plate can be disassembled and replaced.

The utility model belongs to the technical field of chemistry, and particularly relates to a proportioning and mixing device for chemical raw materials, which comprises a mixing barrel, storage boxes are fixedly mounted on two sides of the top of the mixing barrel, and a first discharge pipe is fixedly mounted in the middle of the bottom of each storage box. During use, two raw materials are poured into the two storage boxes correspondingly, the raw materials in the storage boxes penetrate through through holes in spherical bodies to enter the measuring cylinder, it is seen that the raw materials in the measuring cylinder reach the scale value through a transparent glass window, the spherical bodies and the through holes are driven by a first motor to rotate, a first discharging pipe is blocked, and discharging is not conducted any more; the control processor controls an electromagnetic valve to be opened, so that the raw materials in the measuring cylinder fall to the bottom of the mixing barrel, the weight of the raw materials can be accurately controlled, after the raw materials in the mixing barrel are added, a second motor drives a stirring shaft to rotate, the stirring shaft drives stirring blades to rotate, the raw materials are stirred, the working time is shortened, and the working efficiency is improved. The working efficiency of the device is improved.

The utility model relates to the field of simulation doll models, in particular to a movable doll model, which comprises a hollow head unit, a neck unit, a chest unit, an abdomen unit, a crotch unit, an upper limb unit, a lower limb unit and spherical joints, and metal wires respectively penetrate through two adjacent units and the spherical joints between the units. The movable doll model is connected by adopting a structure that spherical joints are matched with metal wires, the spherical joints adopt a combination scheme of spheres, hemispherical raised heads and spherical components, and the spheres and the spherical components have the advantages that the activity space is large, and the doll modeling is more flexible; the hemispherical raised head is matched with the groove, and the hemispherical raised head and the groove are connected through the metal wire, so that the groove does not need to wrap the hemispherical raised head and has large mobility, and the problem that the flexibility is reduced due to the fact that the ball head of a traditional movable doll model is matched with the glenoid fossa is effectively solved.

The zero-point quick-change clamp comprises a clamp base, a plurality of positioning clamping holes are formed in the clamp base and penetrate through the upper end and the lower end of the clamp base, the conical sleeves and blind rivet clamping barrels are arranged in the positioning clamping holes at intervals in the vertical direction, and conical channels are formed in the middles of the conical sleeves and penetrate through the upper ends and the lower ends of the conical sleeves. The inner diameter of the conical channel is sequentially reduced from top to bottom, a pop-rivet channel is formed in the middle of the pop-rivet clamping cylinder and penetrates through the upper end and the lower end of the pop-rivet clamping cylinder, and a pop-rivet connector is arranged in the conical channel and the pop-rivet channel in a pluggable mode; a plurality of through holes are distributed in the inner circumferential wall of the blind rivet channel in the circumferential direction at intervals, balls with the same number as the through holes are movably arranged in the blind rivet clamping cylinder, and the balls can partially stretch out of the through holes or retreat from the through holes. According to the zero-point quick-change clamp with the conical sleeve, high-precision positioning and clamping can be achieved, workpiece clamping can be rapidly completed, and universality is high.

The application discloses a swash plate ball socket ball center height detection device, which comprises a swash plate support seat, a swash plate auxiliary positioning frame and a measuring mechanism; a swash plate with a ball socket is installed on the swash plate support seat, a fixed cantilever is arranged on the swash plate auxiliary positioning frame, an adjustable directional rod is longitudinally installed in the other end of the fixed cantilever close to the swash plate, and the lower end of the directional rod abuts against the upper surface of the swash plate so as to orient the swash plate; the measuring mechanism comprises a measuring base, a measuring ball rod which is vertically moved in a movable cavity of the measuring base, and a digital dial gauge which is arranged on the top of the measuring base; the measuring rod at the lower part of the digital dial gauge penetrates the measuring base and is inserted into the movable cavity of the measuring base and abuts against the top of the measuring ball rod; the lower end of the measuring ball rod is arranged as a spherical body, and the shape of the spherical body is matched with the swash plate ball socket. The swash plate ball socket ball center height detection device is simple and convenient to operate, high in measuring efficiency, and high in detection precision and accuracy of the swash plate ball socket.

The utility model discloses a high-pressure pump pressure release valve ceramic hemisphere with a protective structure, which comprises a spherical body and a first connecting block connected with the lower side of the spherical body, and a first operating rod is arranged on the upper side of the spherical body; the buffer gasket is mounted on the outer side of the spherical body, and a valve shell is arranged on the outer side of the buffer gasket. According to the high-pressure pump pressure release valve ceramic hemisphere with the protection structure, the protection structure is well reinforced in the using process, so that the device is not prone to being damaged and broken due to pressure impact in the working process in a valve body, and the using effect of the device is prevented from being affected; and meanwhile, in the using process, trace pressure relief adjustment can be conveniently conducted on the interior of the pipeline when the pressure is too large, so that the device is not prone to being broken due to the too large pressure in the long-time using process, the using safety of the device is prevented from being affected, and the better using effect is achieved.

The utility model provides a kind of reinforcing device for inhibiting roadway surrounding rock deformation, including outer tube, anchor rod and sealing sleeve, anchor rod is stretched to the bottom of anchor hole after passing through outer tube, anchor rod is connected with corresponding anchor mechanism after being stretched out of outer tube;Sealing sleeve is spherical body that is sleeved in the outside of anchor rod, and sealing sleeve is in contact with the end portion of outer tube after entering center hole by tightening nut, and is extruded the inner wall of center hole by deformation;The part of tray corresponding to the inside of sealing cover is provided with grout passing hole, and grout outlet corresponding to grout passing hole is arranged in the middle of sealing cover.The present application is suitable for surrounding rock stability control in underground engineering such as mine roadway, tunnel, realizes surrounding rock deformation inhibition and structure reinforcement by mechanical anchoring and grouting reinforcement synergistic effect.

The invention discloses a portable golf ball picking and placing barrel which comprises a device body, a ball inlet is fixedly formed in the upper portion of the device body and used for ball entering, a placing opening is formed in the lower portion of the device body and used for placing balls, a fixing bolt is fixedly arranged on one side of the ball inlet, a rotating assembly is further arranged above the ball inlet, and the rotating assembly is used for rotating the ball inlet. The ball is squeezed in; a pressing assembly is further arranged on the containing opening and used for containing a ball. A buckle of the rotating assembly is reset through a torsional spring to form an elastic clamping structure, when the buckle is aligned with a ball to be pressed, the slope face of the buckle makes contact with the ball to be squeezed and then automatically rotates, the ball is squeezed into the device body and then the buckle resets to clamp the ball, and bending or manual picking is not needed in the whole process. The invention belongs to the field of portable golf ball picking and placing barrels, and particularly relates to a portable golf ball picking and placing barrel. The problems that a player needs to repeatedly stoop for manual operation and needs to place the balls one by one after picking up the balls, time and labor are consumed, and fatigue is prone to being generated after long-time use are solved.

The invention relates to the technical field of nuclear power station equipment, and discloses a flexible sealing feed-through line and rapid installation device for a nuclear power station, which comprises an outer shell, an end cover is installed in the outer shell, a cylinder is installed in the end cover, a cone is installed at the left end of the cylinder, and a spring is installed on the right side surface of the cone. A ball groove is formed in the outer side face of the cone, and a ball is installed in the ball groove. According to the invention, by arranging the flexible sealing pipe, the flexible adaptability and the sealing reliability are achieved, equipment installation deviation and vibration and thermal expansion and cold contraction in a nuclear power environment can be flexibly adapted, meanwhile, a first protective barrier is formed, leakage of radioactive substances and invasion of water vapor and external impurities are effectively blocked, and the sealing performance is guaranteed; the insulating layer can reliably isolate the conductor from an external structure, avoid electric leakage and short circuit risks, avoid equipment faults or potential safety hazards caused by insulation failure, and can resist loss of harsh working conditions such as temperature fluctuation and chemical medium erosion.

To provide a ceramic spherical body inspection device capable of eliminating a mistake of re-inspecting a ceramic spherical body determined to be non-defective.SOLUTION: A ceramic sphere inspection apparatus according to an embodiment is a ceramic sphere inspection apparatus for inspecting an outer diameter of a ceramic sphere, wherein an arranging member for arranging the ceramic sphere has a first arranging section and a second arranging section, and the ceramic sphere inspection apparatus has a mechanism for arranging the ceramic sphere in the first arranging section and accommodating the ceramic sphere determined to be a non-defective product in the second arranging section after completion of inspection. Further, it is preferable that the arrangement member has a plurality of first arrangement portions and a plurality of second arrangement portions, and the number of the first arrangement members is the same as the number of the second arrangement members.SELECTED DRAWING: Figure 1