15results about How to "Ensure vibration" patented technology

The utility model discloses a wafer rotary drying device. The wafer rotary drying device comprises a rotary platform; the multiple clamping jaws are distributed in the circumferential direction of the rotating platform at intervals. The clamping jaws are connected to the rotating platform through rotating shafts correspondingly. The side, facing the wafer, of the clamping jaw is provided with a horizontal placement face used for horizontally supporting the back face of the wafer. The climbing surface is arranged on the peripheral side of the horizontal placement surface; the clamping surface is arranged on the peripheral side of the climbing surface and can be matched with the climbing surface to clamp the edge of the wafer; when the rotating platform rotates, the upper portions of the clamping jaws rotate inwards and downwards, the clamping face and the climbing face of each clamping jaw are matched, and the multiple clamping jaws clamp the wafer together. The utility model also discloses a wafer rotary drying method. According to the utility model, the cleaning and drying effects of the back of the wafer are improved; the rotating platform does not participate in clamping of the wafer, so that the number of consumables is remarkably reduced; relative sliding of the wafer and the clamping jaw is effectively avoided, and rotation stability is improved.

The present invention provides a multifunctional sound-generating device, comprising a shell having a receiving cavity and a sound-generating unit placed in the receiving cavity, the sound-generating unit comprising a vibration system and a magnetic circuit system for driving the vibration system to vibrate along a first direction, the magnetic circuit system comprising a main magnetic steel and a secondary magnetic steel arranged around the main magnetic steel to form a magnetic gap, the vibration system comprising a sound membrane and a voice coil inserted in the magnetic gap to drive the sound membrane to vibrate and produce sound; the multifunctional sound-generating device also comprises an elastic component fixed to the shell and suspending the sound-generating unit in the receiving cavity, and a driving coil fixed to the inner wall of the shell and used to drive the sound-generating unit to vibrate along a second direction, the driving coil comprising a first side and a second side arranged opposite to the first side, in the first direction, the first side is arranged opposite to the main magnetic steel, the second side is arranged opposite to the secondary magnetic steel, and the second direction is perpendicular to the first direction; the sound membrane extends to form a partition connected to the inner wall of the shell to divide the receiving cavity into a front cavity and a rear cavity.

The invention discloses a vibrating diaphragm assembly, a sound production device and electronic equipment. The vibrating diaphragm assembly comprises a ball top part located in the center position and a folding ring part arranged on the outer side of the ball top part in the circumferential direction, the ball top part and the folding ring part at least comprise one crosslinkable high polymer material layer of the same type, the thickness of the ball top part is larger than that of the folding ring part, the crosslinking degree of the ball top part is 50%-100%, and the thickness of the folding ring part is larger than that of the ball top part. And the crosslinking degree of the folding ring part is 0-20%. By controlling different crosslinking degrees of the ball top part and the folding ring part, the requirements of high rigidity of the ball top part and high flexibility of the folding ring part are met. The rigidity of the ball top is high, segmentation vibration is not prone to occurring in the high-frequency vibration process, and high-frequency response is good. The cross-linkable high polymer material layer of the folding ring part does not generate cross-linking or low-degree cross-linking, so that the high polymer material can keep flexibility, and the folding ring part is small in Young modulus and good in low-frequency response.

The utility model discloses a PDS control valve damping device used in the UNIPOL technology. The PDS control valve damping device comprises a PC storage tank, a PBT storage tank, an executing mechanism, a valve body, a support, a variable spring supporting and hanging frame and an inclined supporting plate. The support comprises an upper layer, a middle layer and a lower layer. The PC storage tank is arranged on the upper layer of the bracket; the PBT storage tank is arranged on the lower layer of the bracket; the PC storage tank is communicated with the PBT storage tank through a pipeline; the valve body is arranged on a pipeline for communicating the PC storage tank and the PBT storage tank; one end of the actuating mechanism is in driving connection with the valve body and is arranged in the bracket middle layer; the other end of the executing mechanism extends perpendicular to the valve body, and an inclined supporting plate is arranged at the extending end of the executing mechanism. And one end of the variable spring support hanger is hung on the upper-layer bottom plate of the bracket, and the other end is connected with the extension end of the actuating mechanism. According to the device, under the condition that normal vibration and operation of the executing mechanism are not affected, reliable supporting is provided for the executing mechanism, the over-limit motion condition is reduced, the gravity of the executing mechanism is offset, position deviation after long-time operation is reduced, and the service life is prolonged.

The embodiment of the utility model provides a gearbox control valve vibration test tool, and the tool comprises a vibration table which comprises a first body, and the first body comprises two side walls which are disposed away from each other; the supporting assembly comprises a bottom plate, an elastic piece and a limiting column, the bottom plate is arranged below the first body in the third direction, the bottom plate and the first body are arranged in a spaced mode, the elastic piece is connected between the first body and the bottom plate, and the limiting column is connected to the bottom plate and is in clearance fit with at least one side wall; the driving assembly is used for driving the first body to move towards the bottom plate in the third direction; in the process that the first body moves towards the bottom plate, the first body compresses the elastic piece, the elastic piece generates restoring force, and under the condition that the driving assembly is away from the first body, the restoring force drives the first body to vibrate in the third direction. The vibration test tool in the embodiment of the utility model can more accurately simulate the real vibration working condition of the gearbox, so that the accuracy of the performance test result of the control valve under the vibration working condition is improved.

The application discloses a loudspeaker and an electronic device, and belongs to the technical field of electronic devices. The loudspeaker comprises a support, a diaphragm, a voice coil, a driving magnet and a flexible circuit board. The diaphragm comprises a fixed part, a ball top part and a folded ring part. The fixed part is connected with the support, and the ball top part is connected with the fixed part through the folded ring part. The voice coil is connected with the ball top part. The driving magnet is installed on the support and is used to drive the voice coil to drive the ball top part to vibrate. The voice coil and the driving magnet are located on a first side of the diaphragm, and the flexible circuit board is located on a second side of the diaphragm. The flexible circuit board is installed on the support, and the voice coil is connected with the flexible circuit board. The flexible circuit board is used to at least supply power for the voice coil.

This application discloses an assembled ball cage cage, employing a modular, split-type architecture. It includes multiple cage units and two sets of retaining rings. Each cage unit is circumferentially assembled to form a cage body with concentric inner and outer spherical surfaces. The cage body has circumferentially distributed openings. The retaining rings achieve axial positioning and locking of the cage body. After connecting to the cage body, the end face of the retaining ring is parallel to the long side of the opening. Through the combination of multiple cage units and two sets of retaining rings, the modular design allows for the replacement of only damaged cage units, reducing maintenance costs. The cage units can be mass-produced, further reducing manufacturing costs. The assembled units form precise concentric spherical surfaces, ensuring the stability of the steel ball's trajectory and reducing vibration and noise. The parallel design of the retaining rings to the end face of the cage body ensures uniform force distribution on the long side of the opening, avoiding increased friction due to axial misalignment. By replacing individual units, the overall service life of the cage is extended.

The utility model discloses a safe transfer device for liquefied natural gas, which particularly relates to the technical field of transfer and comprises a transfer component, a damping component is fixedly connected to an inner cavity of the transfer component, a protection component is fixedly connected to the upper portion of the damping component, and a sealing component is rotatably connected to an inner cavity of the protection component. The left portion of the protection assembly is fixedly connected with a moving assembly, and an inner cavity of the protection assembly is slidably connected with a taking-out assembly. According to the liquefied natural gas safe transfer device, impact and vibration in the transportation process can be reduced through the designed transfer assembly and the designed damping assembly, so that the risk of damage and leakage of a tank body is reduced, the overall transportation safety is improved, impact force generated in the transportation process can be absorbed and dispersed through a damper, and the transportation safety is improved. The tank body is prevented from directly bearing overlarge force, so that the tank body structure is protected from being damaged, the service life of the tank body is prolonged, and the maintenance and replacement cost caused by the damage of the tank body is reduced.

The utility model belongs to the technical field of dysphagia treatment, and particularly discloses a dysphagia pharyngeal cavity stimulation training device and a swallowing training vibration piece thereof. The swallowing training vibration piece comprises a vibrator and is connected with a vibration conduction piece, the vibration conduction piece is used for being connected with a vibration generator and a guide pipe and is a hollow pipe fitting, one end of the vibration conduction piece is used for being connected with the vibration generator, and the other end of the vibration conduction piece is connected with the vibrator; wherein a plurality of vibration reduction fluff pieces are arranged in the pipe wall of the guide pipe, one end of the vibration conduction piece penetrates through the guide pipe and then is used for being connected with a vibration generator, and the vibration conduction piece is separated from the pipe wall of the guide pipe through the vibration reduction fluff pieces. The dysphagia pharyngeal cavity stimulation training device comprises the swallowing training vibration piece and a vibration generator connected with the swallowing training vibration piece. According to the swallowing training vibration piece, vibration of the vibrator can be better kept in the vibration process, meanwhile, vibration of the pipe wall of the guide pipe is reduced as much as possible, and therefore vibration can be more targeted.

The utility model discloses a centralized oil supply and exhaust device for an oil delivery type mold temperature controller, which comprises an oil tank, an oil inlet component is arranged at the top of the oil tank, and a dredging component is arranged on the right side of the oil tank. Through the arrangement of the dredging assembly, the exhaust pipe can be regularly and automatically dredged, normal exhaust of the exhaust pipe is guaranteed, the situation that the exhaust is abnormal, the temperature of an oil tank is too high, and consequently work of a mold temperature controller is harmed is avoided, and the situation that the air pressure in the oil tank is too high, and the oil tank is damaged is also avoided; meanwhile, oil entering the oil tank can be filtered through the arrangement of a filter tank and a filter screen, the situation that impurities in the oil enter the oil tank, and consequently machining errors of the mold temperature controller on workpieces are caused is avoided, and the filter screen can vibrate in the filtering process through the arrangement of a vibration motor and a spring; and normal filtration of the filter screen is ensured.

The utility model belongs to the technical field of screening equipment, and discloses a transmission structure and a bouncing screen. Wherein the driving bearing parts and the driven bearing assembly are in transmission connection through connecting blocks, the driven bearing assembly comprises a plurality of first bearing parts and a plurality of second bearing parts, the two sides of each first bearing part are in transmission connection with the driving bearing parts or the second bearing parts, and the first bearing parts and the second bearing parts are in transmission connection through the connecting blocks; the axis of the driving bearing piece coincides with the axes of the second bearing pieces, the axes of any two adjacent first bearing pieces are parallel and do not coincide, the first bearing pieces are fixedly connected with the screen plate, and the driving bearing piece and the second bearing pieces are both fixedly connected with the screen frame. According to the transmission structure, the whole rotating shaft is equivalently split into the first bearing parts and the second bearing parts, amplitude is formed through the connecting blocks so that vibration of the sieve plate can be guaranteed, when the transmission structure is damaged, only corresponding damaged parts need to be replaced, the maintenance efficiency of the transmission structure is improved, and the maintenance cost is reduced.

A kind of tilting-pad radial partial load bearing for ultra-supercritical steam turbine unit.It relates to the field of steam turbine unit sliding bearing.When existing actual load is inconsistent with design load, it leads to uneven temperature of left and right pads, insufficient oil film thickness, and easily causes wear and vibration problems.The tilting-pad radial sliding bearing includes bearing shell, upper supporting pad, lower supporting pad, stop pin, gasket set, cylindrical gasket, adjusting gasket, supporting pin, spring, oil seal ring, check valve, oil baffle, oil injection port.The supporting part adopts four-pad tilting-pad structure, and the relative position of fulcrum of pad is LC / L=0.6 (LC is the arc length of fulcrum position of pad, and L is the arc length of pad).Eccentric support is realized by the angle of deflection pad and bearing center line, and the deflection angle A is 7.5°.The utility model is applied to tilting-pad radial partial load bearing for ultra-supercritical steam turbine unit.

The present invention relates to the technical field of seed drills, and specifically discloses a field seeding air-suction vibration disk precision seed drill, comprising a rectangular frame, the rectangular frame is horizontally arranged, and a rectangular shell is slidably arranged inside the rectangular frame, a rectangular vibration disk is slidably sleeved inside the rectangular shell, a plurality of air suction cups are evenly arranged on the upper side of the rectangular frame, and an electric telescopic rod for controlling the lifting is vertically installed on the top of the air suction cup, a scraper mechanism is arranged inside the rectangular vibration disk, seed adding boxes are arranged on both sides of the two ends of the rectangular frame, and a discharge port is arranged at the bottom of the seed adding box, the discharge port is inclined and extends to the edge of the rectangular vibration disk, and a sealing mechanism is matched at the port of the discharge port. The present invention effectively reduces the operating gap between sowing and seed suction, can realize the real-time addition of rice seeds, has high work efficiency, and is conducive to large-scale sowing production.

The utility model discloses a high-brightness tunnel light source module with an air cooling heat dissipation function. The high-brightness tunnel light source module comprises an arched outer cover and two light source assemblies. Each light source assembly is provided with an air cooling heat dissipation structure and a detachable connecting structure. The arched outer cover is also provided with a diffuse reflection coating; each air cooling heat dissipation structure comprises two pipelines, an air inlet and an air outlet, the air inlet is provided with an air pipe connector, and the air outlet is provided with an exhaust silencer. According to the utility model, the air cooling heat dissipation structure is arranged to take away heat for heat dissipation through air flow, so that the heat can be quickly guided out through a flow channel, and the heat dissipation effect is improved; the exhaust silencer is arranged to reduce noise during exhaust, vibration is reduced, and the stability of light irradiation is guaranteed; the base and the lamp panel can be conveniently connected or detached through the detachable connecting structure, maintenance replacement is facilitated, steps and time are saved, maintenance efficiency is improved, and the working efficiency of follow-up illumination is guaranteed.

The invention relates to lubricating grease spraying equipment for an automobile bushing, and relates to the technical field of automobile bushing production, the lubricating grease spraying equipment comprises a middle base used for supporting a machined bushing and a spray head used for conducting oil spraying operation on the machined bushing, the spray head is fixedly installed on a rack, and the middle base is installed on a rotatable rotating disc; and the transverse position of the rotating disc is adjustable. The middle base is used for supporting the machining bush, meanwhile, the rotating disc capable of rotating is used, the position of the rotating disc is adjustable, the position of the spraying head is fixed, the position of the machining bush is adjusted, and the oil spraying precision of the machining bush is conveniently adjusted, that is, in the process, the oil spraying precision of the machining bush is improved, and the machining precision of the machining bush is improved. And the precision of machining the bushing only depends on the position of the bushing, so that the oil injection precision of machining the bushing can be ensured in the process.