1617 results about "DISC assembly" patented technology

A seeding assembly for direct seeding comprising a support attached to the chassis of a seeding machine; load generating means supported on said support, and a seeding frame supporting a coulter blade and a double disc assembly comprising two furrow opening discs, the coulter blade and the double disc assembly being in a tandem arrangement, with minimum distance or spacing therebetween, and the coulter blade being partially located within the seeding frame, wherein the seeding frame is attached to the support through a parallelogram system, and the load generating means transmit load to the seeding frame through said parallelogram system, and wherein the coulter blade is partially located within the parallelogram system allowing the load applied to the seeding frame to concentrate more on the coulter blade so that said coulter blade penetrates the soil.

The invention discloses automatic feeding and punching equipment for injection molded parts, and relates to the field of punching equipment, the automatic feeding and punching equipment comprises a rack, a material taking mechanism, a transfer carrier, a multi-axis manipulator, a punching mold and a feeding mechanism, the material taking mechanism comprises a vibration disc assembly, a three-axis translation module and a first suction assembly, and the first suction assembly is installed on the three-axis translation module; a first suction assembly is arranged on the multi-axis manipulator, the first suction assembly adsorbs and fixes injection molding parts and arranges the injection molding parts on the transfer carrier, a second suction assembly is arranged on the multi-axis manipulator, the second suction assembly adsorbs and fixes the injection molding parts arranged on the transfer carrier, the feeding mechanism comprises a pushing assembly and a guide rail, and the guide rail extends into the punching mold. The material pushing assembly is used for pushing the injection molding part into the punching mold along the guide rail; full-automatic feeding and discharging operation is achieved, multiple products can be synchronously subjected to circulating punching treatment, batch high-speed punching separation is adapted, the product punching efficiency is remarkably improved, the consistency of the appearance and precision of finished products is improved, and complete separation of injection molding products is guaranteed.

According to the brake disc ring surface accurate grinding equipment, by arranging the pressing and swinging mechanism, an assembly can be pressed and swing in a reciprocating mode between the first base table and the second base table, and the stability and the positioning precision in the grinding process are guaranteed; by arranging the detection mechanism with the lower surface of the joint as the unified reference, detection of the grinding amount is achieved, meanwhile, closed-loop feedback can be provided for the ring surface grinding mechanism, and the thickness consistency and the surface flatness of two ring surfaces are guaranteed; the first grinding device and the second grinding device which can ascend and descend are arranged, the grinding feeding amount is dynamically adjusted according to the detection result, and self-adaptive accurate grinding of the assembly swinging in a reciprocating mode is achieved. Meanwhile, through organic combination of a detection mechanism, a pressing mechanism and a grinding mechanism, multiple times of clamping and manual transferring are reduced, and the production takt time and the automation level are improved. The equipment can effectively guarantee the precision and repeatability of accurate grinding of the brake disc assembly, improve the parallelism and surface smoothness of the ring surface, improve the brake performance and meet the industrial continuous machining requirement.

A handheld lithium battery threading machine includes a die head, a motor assembly, a lithium battery assembly, a toothed disc assembly, a support arm body assembly, and a gearbox assembly. The lithium battery assembly is connected to the motor assembly. The motor assembly and the toothed disc assembly are respectively mounted at both ends of the gearbox assembly. The die head is mounted on the toothed disc assembly, and the support arm body assembly is mounted on the gearbox assembly and matched with the die head. The motor assembly includes a motor, a male plug, a main switch, a handle, an air inlet window, and an air outlet window, where the motor, the male plug, and the main switch are all mounted on the handle. Both the air inlet window and the air outlet window are arranged on the handle.

The utility model relates to a novel dispersion machine which comprises a barrel body, a power box is arranged at the top of the barrel body, an inner gear ring is rotationally connected to the inner wall of the power box, a central shaft penetrates through the upper center and the lower center of the power box and is rotationally connected with the power box, a central gear is fixedly arranged on the central shaft located in the power box, and three sub-gears are circumferentially and uniformly distributed and meshed between the inner gear ring and the central gear. Spline sleeves are fixedly arranged at the centers of the branch gears, connecting sleeves corresponding to the spline sleeves are arranged at the top and the bottom in the power box, the top and the bottom of each spline sleeve are rotationally connected into the corresponding connecting sleeves, spline shafts penetrate through the spline sleeves, a support is installed at the top of the power box, and a motor for driving a center shaft to rotate is installed at the center of the support. Three electric push rods corresponding to the spline shafts and penetrating out of the support are arranged at the top of the power box, lifting plates are fixedly connected to the tops of the electric push rods, the tops of the spline shafts penetrate out of the support and are rotationally connected with the lifting plates, and dispersion disc assemblies are installed on the spline shafts. The dispersing device is high in dispersing efficiency, good in effect and convenient to use.

The application relates to a combined device and method for vertical static load test of water anchor pile method. Two gantries are arranged at the two ends of a water bearing platform, a steel beam passes through the space of a to-be-tested foundation pile connecting assembly I and an anchor pile connecting assembly II in the shape of a Chinese character 'jing', and the two ends are respectively suspended below the cross beams of the gantries; the to-be-tested foundation pile connecting assembly I is arranged in the middle of the steel beam, two anchor pile connecting disc assemblies II are arranged at the two ends of the steel beam, the lower end surface of a connecting disc I of the to-be-tested foundation pile connecting assembly I and the lower end surface of a connecting disc II of the anchor pile connecting assembly II are located on the same horizontal plane; a pulling jack is arranged between an upper tensile small cross beam I of the to-be-tested foundation pile connecting assembly I and the steel beam; a compression jack is arranged between the steel beam and the connecting disc I of the to-be-tested foundation pile connecting assembly I; and a recording platform is arranged beside the to-be-tested foundation pile below the middle part of the steel beam. The application combines the compression and pulling static load test devices into one, can be easily converted, is quickly installed, and the test result is reliable.

The utility model discloses polishing equipment facilitating oil-water separation, and belongs to the technical field of polishing equipment. The polishing equipment comprises a base, an X-axis tray extending in the transverse direction is arranged on the base, a Y-axis tray can be installed on the X-axis tray in a sliding mode in the transverse direction, a workbench can be installed on the Y-axis tray in a sliding mode in the longitudinal direction, and a polishing clamp assembly station is arranged on the workbench; cross beams which are parallel to the X-axis tray and are distributed at intervals in the longitudinal direction are arranged on the base and located on one side of the X-axis tray, the cross beams are used for assembling grinding disc assemblies, the area, located between the cross beams and the X-axis tray, of the upper surface of the base is sunken downwards to form a conical water receiving disc, and the X-axis tray and the Y-axis tray are sunken downwards to form conical oil collecting grooves. Polishing liquid falling in the polishing process is collected through the water pan, lubricating oil is collected through the oil collecting groove, and therefore the polishing liquid and the lubricating oil can be effectively prevented from being mixed together, and pollution of the polishing liquid and corrosion of a machine table are avoided.

The invention relates to a control method for an oil pressing assembly line, and the control method comprises the steps: detecting the amount of oil in a hopper device in real time, and conveying the oil with a preset weight to an oil pressing disc assembly below; and the oil pressing disc assembly completing loading is controlled to be pre-pressed, and the pre-pressed oil pressing disc assembly is placed on a conveying disc of the conveying mechanism. And dynamically monitoring the working states of the plurality of squeezing devices, and obtaining the real-time stacking height, the stacking duration and the destacking duration of each device. The stacking requirement is predicted based on the state data, the conveying disc carrying the pre-pressing oil disc assembly is dispatched to pressing equipment in a stacking state, and the stacking amount of the pressing equipment is smaller than a preset threshold value; the empty conveying disc is dispatched to a squeezing device in a destacking state, and the oil squeezing disc assembly is stacked and destacked; and the conveying mechanism is controlled to return the cleaned and emptied oil pressing disc assembly to the to-be-fed area. And the conveying mechanism is controlled to convey the oil pressing disc assembly to the automatically-matched pressing equipment, and automatic adjusting and dispatching are achieved.

The invention relates to the field of valve body machining, in particular to grinding equipment for flat gate valve body machining, and solves the problems that most of existing equipment is single in grinding track, needs to manually smear grinding paste, cannot automatically control release of cooling liquid according to the grinding speed, and is high in cost and maintenance cost of some high-end equipment. The device comprises a shell and a grinding roller assembly, a rotating assembly is fixedly connected to the shell and used for driving the grinding roller assembly to rotate circumferentially, and a grinding disc assembly is fixedly connected to the grinding roller assembly. According to the grinding device, the grinding sleeve of the grinding roller assembly can rotate around the circumference and can rotate and do linear reciprocating motion at the same time, the grinding track of the device is enriched through cooperation of the grinding sleeve and the grinding disc, the grinding effect can be improved, and grinding paste and cooling liquid can be automatically conveyed to the grinding face by arranging the grinding paste conveying mechanism and the cooling liquid conveying mechanism.

The invention relates to the technical field of glass bead polishing, and particularly discloses a highway tunnel reflective glass bead rapid grinding and polishing and quality detection device which comprises a polishing bin, a polishing set disc is embedded in the lower portion of the interior of the polishing bin, and the polishing set disc comprises a first polishing disc and a second annular polishing disc which are sequentially and coaxially arranged from inside to outside in a sleeving mode. The upper polishing surface of the second annular polishing disc is obliquely and upwards arranged in the direction gradually away from the first polishing disc, and a material collecting disc in running fit with the first polishing disc and the second annular polishing disc is further arranged between the first polishing disc and the second annular polishing disc; a driving device used for driving the first polishing disc and the second annular polishing disc to rotate reversely is arranged at the bottom of the polishing bin so that the glass beads in the polishing bin can be subjected to multi-stage reverse polishing through reverse rotation of the first polishing disc and the second annular polishing disc. Therefore, isotropic polishing of the surfaces of the balls is achieved, grinding and polishing consistency of the surfaces of the glass beads is guaranteed, and grinding and polishing precision of the glass beads is improved.

The invention belongs to the technical field of seeding, and particularly relates to an intelligent precision seed-metering device based on electromagnetic control and a seed-metering method, and the seed-metering device comprises a seed-metering disc assembly and an electromagnetic intelligent seed pushing assembly. The seed metering plate assembly is provided with a seed hole with an annular permanent magnet; the electromagnetic intelligent seed pushing assembly comprises a control module, an electrified solenoid and a flexible seed pushing assembly with a permanent magnet sliding block and a flexible pushing disc. During working, the magnetic attraction force between the seed-metering disc permanent magnet and the sliding block permanent magnet is combined with the controllable electromagnetic force generated by the electrified solenoid to cooperatively drive the sliding block to complete the seed pushing action. The electric signals are controlled through programming, and various operation modes such as ultra-high speed, precision low loss and variable jump broadcast can be switched in real time. According to the invention, the embedded real-time monitoring and fault diagnosis of the seed pushing action are realized by using an electric signal generated by the movement of the sliding block in the induction coil. According to the invention, the problem that the existing seed-metering device is difficult to consider high-speed, low-loss and multi-mode operation and intelligent monitoring at the same time is solved.

The invention relates to the technical field of train brake disc assembly, in particular to a tightening device. The invention provides a tightening device which comprises a base, a control arm and a working assembly, the working assembly comprises a first support and a torque gun, the first support is connected with one end of the control arm, the first support is of a stepped structure, a through hole is formed in a step, close to one end of the control arm, of the first support, and the torque gun is installed at the through hole; the torque gun not only can be used for assembling the fastener, but also can be used for semi-automatically disassembling the fastener. The positioning assembly and the torque gun are oppositely arranged, the positioning assembly accurately positions the brake disc before operation, the accuracy of tightening operation of the torque gun is guaranteed, the positioning assembly and the torque gun work cooperatively, it is guaranteed that each bolt can be installed with accurate torque and rotation angle, and brake disc operation faults caused by installation errors are effectively avoided.

The utility model discloses a double-diaphragm disc type brake chamber which comprises a front cover assembly, a middle body assembly and a cylinder body assembly. A push rod disc assembly is arranged between the front cover assembly and the middle body assembly, a first leather film is arranged between the push rod disc assembly and the middle body assembly, a dustproof sleeve is fixedly arranged on the front cover assembly and arranged on the outer side of the push rod disc assembly in a sleeving mode, and the cylinder body assembly comprises a second leather film, an aluminum release disc, a cylinder body and a release bolt. According to the double-diaphragm disc type brake chamber, due to the fact that the sealing assembly is arranged, hard friction between the tappet rod and the inner hole of the middle body is reduced, the service life of a product is prolonged, meanwhile, the tappet rod and the tappet rod disc are connected in a riveting pressing mode, the assembling technology is simplified, the assembling cost is reduced, and the potential risk that screws are loosened due to the fact that thread glue is not coated is avoided; center positioning of the release disc is increased through the parking cavity leather film, and damage to the release disc and the spring due to the fact that the leather film and the release disc are not positioned in the prior art when the parking cavity works is reduced.

The invention provides a dual-purpose garden mower with a switching function, which comprises a machine head shell, an output shaft is arranged in the machine head shell, a cutterhead assembly and a rope disc assembly are further arranged in the machine head shell, the cutterhead assembly is arranged at the bottom of the output shaft, the rope disc assembly is arranged at the bottom of the cutterhead assembly, and the output shaft is arranged on the output shaft. The output shaft penetrates through the cutter disc assembly and the rope disc assembly and drives the cutter disc assembly and the rope disc assembly to rotate, a first one-way bearing is arranged between the output shaft and the cutter disc assembly, a second one-way bearing is arranged between the output shaft and the rope disc assembly, and through cooperation of the first one-way bearing and the second one-way bearing, the output shaft rotates forwards and backwards to drive the cutter disc assembly and the rope disc assembly to rotate. Therefore, the functions of mowing and mowing can be achieved on one device at the same time.

The utility model discloses an eccentric grinding mechanism and machining equipment. The eccentric grinding mechanism comprises a connecting assembly, an eccentric assembly, a bearing part, a grinding disc assembly and a buffering assembly, the connecting assembly is used for being connected with an external driving main shaft, the eccentric assembly comprises a connecting shaft and a balance part, one end of the connecting shaft is connected with the connecting assembly, and the axis of the connecting shaft and the axis of the connecting assembly are coaxially arranged; the other end of the connecting shaft is connected with one end of the balance part, an eccentric hole is formed in the other end of the balance part, the axis of the eccentric hole and the axis of the connecting shaft are eccentrically arranged, the bearing part is arranged in the eccentric hole, one end of the grinding disc assembly is connected with the bearing part, and the grinding disc assembly rotates relative to the eccentric assembly through the bearing part. One end of the buffering assembly is connected with the other end of the grinding disc assembly, and the other end of the buffering assembly is used for being connected with an external grinding piece. According to the eccentric grinding mechanism and the machining equipment, grinding static points can be counteracted, the defects of grinding marks, grinding tangent lines and the like on the surface of a product are improved, and the surface of the product meets the grinding requirement.

The invention discloses an unlocking jacking assembly in an ion implanter, which comprises a bottom plate, a driving motor arranged on the bottom plate and in transmission connection with a ball screw, a sliding block on the ball screw is connected with a movable plate, two sides of the movable plate are respectively and fixedly provided with a guide transmission rod, one end of an unlocking plate is sleeved on the guide transmission rod, and the other end of the unlocking plate is sleeved on the ball screw. One end of the unlocking plate is elastically connected with the movable plate through a spring, and the other end of the unlocking plate extends to a wafer processing station; the guide transmission rods are located on the two sides of the unlocking plate respectively, the ends of the guide transmission rods are connected with one end of the first connecting rod, the other end of the first connecting rod inclines downwards and is movably connected with one end of the second connecting rod through the first rotating piece, and the other end of the second connecting rod is provided with the second rotating piece. The inner side ends of the first rotating member and the second rotating member are respectively provided with a jacking block, and the jacking blocks can be pushed by the guide transmission rod to rotate and jack up the wafer. By arranging the driving motor, the target disc assembly can be unlocked and lifted at the same time.

The invention relates to the technical field of metal powder preparation, in particular to a metal atomization spray disc which comprises a spray disc assembly, the spray disc assembly is provided with a molten metal falling channel, a first gas runner and a second gas runner, the first gas runner is arranged around the molten metal falling channel, and the second gas runner is arranged around the molten metal falling channel; an outlet of the first gas flow channel points to an outlet area of the molten metal falling channel; the second gas flow channel is arranged around the molten metal falling channel, and an outlet of the second gas flow channel points to an outlet area of the molten metal falling channel; the gas sprayed out of the second gas flow channel prevents or inhibits backflow of the gas sprayed out of the first gas flow channel; the auxiliary gas flow ejected by the second gas flow channel directly acts on a key area between the outlet of the first gas flow channel and the outlet of the molten metal falling channel, so that high-pressure atomized gas in the main flow channel can be actively and effectively prevented or remarkably inhibited from entering the molten metal falling channel, and the problem of gas backflow is solved.

The utility model relates to the technical field of part assembling, in particular to an automatic assembling machine of a valve rod sealing ring, which comprises a machine frame, a valve rod feeding assembly, a valve rod loading assembly, an O-shaped ring feeding assembly, an O-shaped ring loading assembly, a rotary table assembly and a finished product unloading assembly, the valve rod feeding assembly, the valve rod loading assembly, the O-shaped ring feeding assembly, the O-shaped ring loading assembly, the rotary table assembly and the finished product unloading assembly are arranged on the machine frame, and a tool seat used for clamping a valve rod is arranged on the top of the rotary table assembly. The number of the O-shaped ring feeding assemblies is two, and the number of the O-shaped ring feeding assemblies is two. Each O-shaped ring feeding assembly comprises a feeding mechanism and a ring supporting mechanism. The two O-shaped ring feeding assemblies take the O-shaped sealing rings from the two ring supporting mechanisms correspondingly and sequentially push the two O-shaped sealing rings into the first groove and the second groove of the valve rod clamped to the tool base correspondingly. According to the utility model, the ring supporting action is carried out through the ring supporting mechanism, and the O-shaped ring feeding assembly can finish feeding of the O-shaped sealing ring only by taking and pushing out the O-shaped sealing ring, so that the assembling steps are simplified, and the working efficiency is effectively improved.

The invention discloses a brake disc assembling system and method. The system comprises a variable-pitch type multi-shaft tightening machine, a transfer frame, a pre-assembling table, a customized conveying line, an automatic tightening table and a manual re-checking table. The variable-pitch multi-shaft tightening machine is used for outputting set torque to tighten brake disc workpiece bolts; the transfer frame is matched with the transmission line to convey the brake discs to different stations; the pre-assembly table is used for carrying out bolt angular positioning and circumferential positioning on the manually pre-tightened movable disc workpiece; the automatic tightening table positions and clamps bolt heads through a counter-force-resistant lifting mechanism, and corresponding tightening shafts output set value torque to tighten nuts in sequence; and the manual re-checking table can be used for checking the brake disc bolt by a quality inspector. According to the assembly system, center positioning, circumferential positioning and bolt head angular positioning of the brake disc workpiece can be completed through simple manual participation at the pre-assembly station, the operation steps are completed in a centralized mode, the operation time is greatly shortened compared with that of a visual recognition camera, and the working efficiency is improved.

The invention discloses a hydraulic drive clamping device which comprises a hydraulic drive mechanism, a drive shaft of the hydraulic drive mechanism is connected with a clamping mechanism, and the clamping mechanism comprises a disc assembly and a plurality of clamping assemblies. The disc assembly comprises a main disc and a first cam disc, and the first cam disc is provided with a flange part and a sharp convex part; the clamping assembly comprises a linkage block which is slidably connected in the diameter direction of the main disc, a first rotating wheel is arranged at the first end of the linkage block, and the first rotating wheel abuts against the outer periphery of the first cam disc; a clamping convex block is arranged at the second end of the linkage block, a clamping spring is arranged between the linkage block and the clamping convex block, an outer arc surface and an inner tangent plane are oppositely arranged on the clamping convex block, and a flexible pressing plate is arranged on the inner tangent plane; through the linkage design of the cam disc and the multiple sets of clamping assemblies, synchronous self-adaptive clamping of the inner wall and the outer wall is achieved, the clamping device has the advantages of being compact in structure, even and stable in clamping force and suitable for workpieces with different wall thicknesses, and meanwhile it is ensured that the surfaces of the workpieces are not damaged in the clamping process through the flexible pressing plate.

The invention relates to the field of semiconductors, and discloses a lip-shaped sealing element shape correcting device which is characterized in that a profiling jig disc assembly is rotatably mounted on a spinning tool platform through a central shaft; the vertical support is installed on the spinning tool platform beside the profiling jig disc assembly. The spinning tool main shaft is installed on the vertical support, and the head of a downward pressing rod at the lower end of the spinning tool main shaft is used for applying downward pressure to conduct shape correcting operation. The spinning tool main knob is installed on the vertical support and drives the spinning tool main shaft to move up and down through a gear mechanism. The positioning knob assembly is installed on the lower portion of the vertical support and can limit rotation of the profiling jig disc assembly so as to ensure that the position, needing shape correction, of a product is located under the head of a lower pressing rod of a spinning tool spindle. The dial indicator is installed on the lower portion of the spinning tool spindle and used for measuring the deformation size of a product in the spinning process. The detection pin is installed on the spinning tool platform beside the vertical support and used for adjusting the height of the dial indicator installed on the spinning tool main shaft to the correction position.

The technical scheme belongs to the technical field of detection equipment, and particularly relates to a detection device suitable for cosmetic penholders, comprising a base, a penholder detection module capable of collecting appearance images of the penholders when the penholders rotate for at least one circle, and a conveying mechanism mounted on the base and used for conveying the penholders; the disc assembly is installed on the machine base, can be aligned with the multiple stations and is provided with a material fixing assembly used for fixing the penholders, and the disc assembly drives the material fixing assembly to move so as to convey the penholders of the previous station to the next station; the feeding and discharging mechanism comprises a feeding assembly and a discharging assembly. The material fixing assembly comprises a base and an ejector pin rotationally arranged on the base, the ejector pin is sleeved with the open end of the penholder, the disc assembly is provided with a material rotating mechanism, and when the penholder is located at the photographing end of the penholder detection module, the material rotating mechanism drives the ejector pin to rotate, so that the penholder rotates by at least one circle to be matched with photographing and penholder detection automatic operation, and the detection efficiency is improved.

The invention belongs to the technical field of mixing, and discloses multi-section type temperature control pear syrup decocting equipment which comprises a multi-section syrup decocting cylinder assembly, and a rodless syrup mixing disc assembly is rotationally arranged in the middle of the multi-section syrup decocting cylinder assembly. The unique structure of the rodless paste mixing disc assembly is introduced, namely, in the paste flowing process, paste is dispersed into multiple strands, and a structure of annularly moving paste mixing and autorotation united paste mixing is formed among the multiple strands of paste, so that the mixing quality during boiling of pear paste is greatly guaranteed, the traditional technology of paste mixing through a traditional stirring rod is changed, and the production cost is reduced. After boiling is finished, the first paste pushing assembly and the second paste pushing assembly are pushed inwards through a first pushing hydraulic cylinder and a second pushing hydraulic cylinder, a valve is opened, paste is discharged through a material pipe in the piston pressurizing process, and therefore pear paste is conveniently discharged.

The invention relates to the technical field of sewage treatment, in particular to an assembly type stacked hydraulic grit chamber for a sewage treatment plant. The assembly type stacked disc hydraulic grit chamber for the sewage treatment plant comprises a stacked disc module device, an unpowered water distribution device and a backwashing and fluidizing device, the stacked disc module device comprises a plurality of stacked discs which are sequentially arranged at intervals in the vertical direction, a water outlet channel is formed between every two adjacent stacked discs, and a water outlet is formed in the inner side of each stacked disc. According to the assembly type stacked disc hydraulic grit chamber for the sewage treatment plant, water flow is sprayed to the inner surface of the stacked disc through the cleaning disc assembly so as to wash the inner surface of the stacked disc, the automatic backwashing function is achieved, the problem of sand accumulation of the stacked disc is effectively solved, and sand hardening is prevented. Through the automatic backwashing function, the manual cleaning frequency and strength are greatly reduced, the manual labor intensity and potential safety hazards are reduced, the stacked trays are prevented from being blocked, and the service life of the stacked trays is prolonged.

The utility model discloses a wind power generation brake disc assembly which comprises a brake caliper shell and a brake disc, adjustable installation pieces are symmetrically distributed between the left inner wall and the right inner wall of the brake caliper shell, friction pieces are symmetrically distributed on the opposite inner side faces of the two installation pieces, and the brake disc is located between the transversely adjacent friction pieces. The device further comprises an auxiliary braking mechanism. The auxiliary braking mechanism comprises hydraulic rods, hemispherical heads and hollow hemispherical protrusions, the hydraulic rods are symmetrically distributed and installed on the opposite inner side faces of the two installation pieces, the hydraulic rods are located between the two friction pieces which are adjacent up and down, and according to the wind power generation brake disc assembly, the hemispherical heads make contact with the spherical surfaces of the protrusions, braking force is transmitted through shearing force, and the braking force is transmitted through the hollow hemispherical protrusions. And mechanical meshing and friction dual braking is formed, on the basis of friction plate braking, additional braking force is provided, the braking force of the braking assembly on the braking disc is increased, and the braking time of the wind driven generator is effectively shortened.

The utility model discloses a multifunctional encoder knob key, which comprises a base, an upper cover arranged on the base, and a shaft core arranged between the base and the upper cover and penetrating out of the upper cover, the metal dome is arranged on the base and located below the shaft core, the knob abutting piece is arranged at the lower end of the shaft core, the shaft code disc assembly is annularly arranged on the outer side of the metal dome and abuts against the knob abutting piece to achieve electric connection, and the lower end of the shaft code disc assembly penetrates out of the base and then abuts against an external circuit board to achieve electric connection. The metal dome deforms downwards to abut against the shaft code disc assembly to achieve electric connection when the shaft core is pressed downwards. The rotary knob and the pressing knob can generate coding signals and can be used without identifying the key structure, the two modes are provided for users to select, the practicability of the key is improved, the key is compact in structure, thin in whole and small in occupied space, stable conduction with a circuit board is guaranteed, good hand feeling is achieved, and the key is suitable for popularization and application. And the use experience of the user is improved.

The invention provides a granulator clutch coupling capable of being quickly disassembled and assembled. The pelletizer clutch coupling capable of being rapidly disassembled and assembled comprises a connecting gear sleeve, a pneumatic clutch assembly, a coupling left claw disc, an inner inclined surface locking hoop, a rubber elastic body, a coupling right claw disc assembly, a housing and a second clamping spring. The coupler right claw disc assembly comprises a right claw disc, a first clamping spring, a left supporting ring, a right supporting ring, an outer slope locking hoop and a shaft sleeve. According to the invention, spline engagement is matched with an inclined plane locking structure, traditional bolt connection is replaced, and quick assembly and disassembly of parts are realized; the rubber elastic body can absorb vibration and compensate installation errors, and transmission stability and installation flexibility are guaranteed; and the combined design of the housing and the snap spring can effectively protect internal parts and prolong the service life. The coupling is suitable for a transmission system of a granulator, can remarkably shorten the time for online overhaul and part replacement, reduces the shutdown cost of enterprises, and has the advantages of reliable structure, convenience in maintenance and high adaptability.

The invention discloses a design method of a brake disc assembly for an airplane, and belongs to the field of airplane brakes. In order to solve the problem of 10-20 Hz vibration caused by a high impact load of 750 kN or above when an aircraft lands, a triple vibration suppression technical scheme is provided, Y-shaped damping holes are formed in a static disc, nodes are located in a reference circle, and the static disc is filled with a nano aerogel porous material; a lotus leaf-shaped damping hole is formed in the movable disc, an obtuse angle node is matched with a reference circle, and the movable disc is filled with a nano aerogel porous material; a carbon fiber damping sleeve (movable disc) and a U-shaped damping net (static disc) are additionally arranged on a key groove boss. The friction pair even number, the reference circle and the braking force acting point are limited; the graphitization degree of the carbon brake material is controlled to be 55-65%, and the temperature uniformity of the heat treatment furnace is less than or equal to + / -20 DEG C. The vibration amplitude of the brake disc assembly designed through the method is reduced by 84%, the convergence time is shortened by 75%, and the reliability requirement of extreme working conditions is met.

The invention relates to the technical field of polishing equipment, in particular to golf ball head curved surface precision polishing equipment which comprises a mounting support, a ball head polishing mechanism used for ball head curved surface machining is arranged on the mounting support, a dustproof adsorption mechanism is movably mounted on the mounting support, and the ball head polishing mechanism comprises fixed bases symmetrically arranged on the mounting support. And a first telescopic rod is arranged on the fixed base. The ball head body is clamped and fixed through the first telescopic rod, the grinding disc assembly is driven by the rotating sleeve to rotate by 360 degrees in the circumferential direction of the ball head, the grinding disc assembly can be flexibly attached to different curvature areas of the ball head body in combination with telescopic adjustment of the second telescopic rod, and grinding blind areas caused by structural limitation of traditional equipment are avoided; in addition, the annular abrasive paper can be automatically turned over to wrap the edge of the circular disc body when encountering the sunken position, so that the side face of the grinding disc can also participate in machining, and the grinding precision and consistency of complex curved surfaces such as grooves and seamed edges are further improved.

The invention relates to the technical field of pet supplies, and particularly discloses a pet water dispenser. The pet water dispenser comprises a shell, a drinking tray assembly, a driving piece and an overturning transmission mechanism. The drinking tray assembly is installed on the shell through a rotating shaft on the side portion, the overturning transmission mechanism comprises a driving sliding block driven by a driving piece and a contour surface arranged on the drinking tray assembly, and the drinking tray assembly is driven to automatically overturn around the rotating shaft to pour sewage through cooperation of the sliding block and the contour surface. A locking mechanism is further arranged, automatic locking is achieved when the rotating shaft is installed in place, and axial loosening of the assembly is prevented. The water dispenser is simple and compact in structure, high in automation degree and reliable in work, and the use safety and convenience are effectively improved.