30results about How to "Strong vibration" patented technology

The invention relates to the technical field of thoracic surgery, in particular to an atomization device for assisting thoracic surgery postoperative care, which comprises a shell, a liquid medicine tank, an air passing cylinder and a driving mechanism, a first connecting block and a second connecting block are arranged on the driving mechanism, the first connecting block is connected with an extrusion assembly, and the second connecting block is connected with an air passing cylinder. And a refining mechanism is arranged on the second connecting block and comprises two first extrusion plates, the two first extrusion plates are connected with the second connecting block through sliding assemblies correspondingly, a second extrusion plate is arranged between the two first extrusion plates, and voltage assemblies are arranged on the sides, close to each other, of the two first extrusion plates correspondingly. According to the device, atomized particles are further refined, the atomization quality is improved, liquid medicine particles are more uniform and fine, inhalation of a patient and medicine absorption are facilitated, vibration can be evenly spread on the first extrusion plate, intermolecular viscous connection in atomized liquid can be broken, the atomized particles are finer, and the refining effect is enhanced.

The utility model provides a powder shaking device of a molding powder machine, which is used for shaking a hanging tool walking on a track, the hanging tool is arranged on the track in a liftable manner, the track is mounted on a mounting plane, the powder shaking device comprises a mounting column mounted on the mounting plane, a lifting plate is arranged on the mounting column in a liftable manner, and a connecting assembly is arranged on the hanging tool. The hanging tool is connected with the lifting plate through a connecting assembly when walking to the position below the lifting plate, a lifting block is arranged at the bottom of the lifting plate, a driving motor is further arranged on the mounting plane, a lifting wheel is arranged on an output shaft of the driving motor, a protruding block is arranged on the lifting wheel, and the lifting wheel abuts against the lifting block. When the device shakes powder, the vibration force borne by a workpiece is large, redundant powder on the workpiece can be fully shaken away, and then the quality of a plastic layer is effectively improved.

The utility model discloses a boiler flue gas duct for fine construction, which belongs to the field of boiler flue gas ducts and comprises a flue gas duct wall, a support plate, support legs, a clamping plate, an angle steel belt, a thermal insulation layer, a reinforcing mesh and a protective layer. The specification and the size of the flue wall are determined according to data statistics, uniform blanking, prefabrication and splicing part division are carried out, finally hoisting and assembling are carried out on site, after the flue wall is assembled and spliced, the heat preservation layer is installed on the flue wall, and the heat preservation layer carries out heat preservation and heat insulation on the flue wall. The reinforcing mesh on the inner side of the heat preservation layer can increase the firmness of the heat preservation layer plate and prevent the heat preservation layer from cracking, the protection layer is fixed to the clamping plate after the heat preservation layer and the clamping plate are installed, the functions of rain prevention, wind shielding and the like are achieved for the clamping plate and the heat preservation layer, fine construction is conducted on installation of the smoke and air duct, and the smoke and air duct has enough strength, rigidity and stability. Strong vibration is avoided, the construction quality is improved, and the construction efficiency is guaranteed.

The utility model discloses a double-voice-coil loudspeaker, and belongs to the technical field of loudspeakers. A double-voice-coil loudspeaker comprises a front cover and a shell, a diaphragm is arranged in the shell, an upper magnetic circuit is arranged above the diaphragm and comprises an upper inner magnet, an upper middle magnet and an upper outer magnet, and a lower magnetic circuit is arranged below the diaphragm and comprises a lower inner magnet, a lower middle magnet and a lower outer magnet. In order to solve the problems that the larger the area of a diaphragm is, the poorer the rigidity is, segmentation vibration is easily generated when the diaphragm vibrates, more curve peaks and valleys are caused, and the tone quality of a loudspeaker is poor, a ring is divided into an inner voice coil and an outer voice coil which are bonded on the diaphragm and are respectively placed above a gap between a lower middle magnet and a lower outer magnet and above a gap between a lower inner magnet and the lower middle magnet; because the directions of magnetic fields borne by the outer voice coil and the inner voice coil are opposite, the two voice coils need to be reversely connected during wiring, namely the positive pole of the outer voice coil needs to be connected with the negative pole of the inner voice coil, so that the vibration directions of the two voice coils are consistent.

The utility model relates to the technical field of automobile fenders, and discloses a shock absorption type automobile fender connecting support which comprises a connecting support body, a shock absorption mechanism is arranged above the connecting support body and comprises a shock absorption block, a supporting plate, a first damper, a first installation block and a supporting rod, and the top of the shock absorption block is fixedly connected with the bottom of the supporting plate. The bottom of the supporting plate is fixedly connected with the top of a first damper, one side of the connecting support is fixedly connected with one side of a first mounting block, one side of the first mounting block is fixedly connected with one end of a supporting rod, and the other end of the supporting rod is fixedly connected with one side of a second mounting block. According to the fender connecting support, the problem that in actual use, damping and buffering cannot be conducted after connection and installation, and consequently the fender cannot be fully protected is solved, the service life of the fender is prolonged, and the protection effect of the connecting support is improved.

The present invention relates to the technical field of vibration detection of curtain wall panels, and in particular to a vibration performance detection device for curtain wall panels, which includes a supporting main frame, wherein both the front and rear sides of the supporting main frame are provided with a limiting structure, a power bidirectional telescopic rod A is fixedly passed through the front of the supporting main frame, and both ends of the power bidirectional telescopic rod A are respectively connected to the limiting structure, a vibration structure is provided above the supporting main frame, and a top frame is provided above the vibration structure. The present invention can gradually increase the vibration intensity of the glass curtain wall through the vibration structure, and at the same time, the vibration structure gradually increases the height of the movable frame by pushing the force plate upward, after the movable frame drives the card plate to disengage from the slot, the large gear ring rotates half a circle, and the card plate is inserted into the slot again, and at the same time, when the glass is broken before the oscillation structure rises to the highest position, the one-way paddle is controlled to push the lower baffle upward to disengage the card plate from the slot, so that after the glass is broken, the conveying wheel pushes the new glass curtain wall to move to the bottom of the vibration structure.

The invention discloses an energy-saving vibration mill device and method for silica powder production, relates to the technical field of silica powder production, and provides the following scheme that the energy-saving vibration mill device comprises a foundation frame; the grinding container is fixedly connected with the foundation frame through a spring; the vibration exciter is fixed on the grinding container and used for providing vibration force for the grinding container, and the vibration exciter comprises a vibration excitation motor fixed on the grinding container; the connecting seat is fixedly connected with the output part of the excitation motor; the first eccentric wheel is fixed on the connecting seat; the second eccentric wheel is rotationally connected with the connecting seat; the adjusting cylinder is in sliding connection with the connecting base and used for adjusting the overlap ratio of the second eccentric wheel and the first eccentric wheel in a sliding mode and controlling the vibration strength; the overlap ratio of the second eccentric wheel and the first eccentric wheel is adjusted in a sliding mode through the adjusting cylinder, the vibration strength is controlled, it is guaranteed that higher vibration strength is provided under the same output power, and energy saving and environment protection are achieved.

The application provides a negative pressure suction adaptive dust removal system, which specifically comprises a gravity dust remover, a cyclone dust removal device, an air cooler, a bag dust remover, a centrifugal multi-stage induced draft fan and a control system; the gravity dust remover removes larger particles in ash gas by using gravity to achieve primary dust removal; the cyclone dust removal device is connected with the gravity dust remover through a pipeline and removes the ash gas by using centrifugal force to achieve secondary dust removal; the air cooler cools high-temperature gas discharged from the cyclone dust removal device to avoid burning the bag in the subsequent process; the bag dust remover realizes third-stage dust removal through the filtering effect of the bag to make the ash gas meet the emission standard; the centrifugal multi-stage induced draft fan is arranged at the end of the system to generate negative pressure to drive the flow of the ash gas; the control system monitors the running state of the system in real time through a temperature sensor, a pressure sensor and a level meter and sends out an alarm or performs adaptive dust removal; and the application realizes efficient dust removal of the ash gas and real-time monitoring and adaptive adjustment of the dust removal process.

The utility model discloses a transducer for a flexible ultrasonic knife, and relates to the technical field of ultrasonic knives, the transducer comprises a connecting block, a support plate, a plurality of piezoelectric ceramic pieces, an amplitude-change pole and a sleeve, the support plate is connected to the front end of the connecting block, and the support plate extends in the front-back direction; the plurality of piezoelectric ceramic pieces are connected with the support plate; the amplitude-change pole is connected to the front end of the connecting block and extends in the front-back direction. The sleeve is detachably connected with the front end of the support plate, and the amplitude-change pole and the support plate are both located in the sleeve. According to the utility model, the amplitude-change pole can strongly vibrate in an effective space, so that the operation requirement is met.

The present invention provides a transmission mechanism with multiple reverse gears of a step-down type, comprising an input shaft, a front output shaft, a rear output shaft, an intermediate shaft, a planetary row P1, a planetary row P2, a planetary row P3 and a planetary row P4, wherein the planetary row P1 sun gear, the planetary row P2 sun gear and the planetary row P3 sun gear are connected in parallel to the input shaft, the planetary row P1 planet carrier is connected to the planetary row P2 ring gear by a spline, the planetary row P2 planet carrier, the planetary row P4 sun gear and the planetary row P3 ring gear are connected by splines respectively, the planetary row P3 planet carrier is also connected in parallel to the planetary row P4 ring gear and then connected to one end of the intermediate shaft, the other end of the intermediate shaft is sequentially meshed with multiple gears in series, and the front output shaft and the rear output shaft are respectively connected to the last gear. By adopting the technical solution of the present invention, the large bearing capacity of the internal meshing teeth and the entire accommodating space of the internal ring gear can be fully utilized, so that the structure is more compact, the transmission ratio is large, and it has the advantages of stable movement, strong impact resistance and vibration resistance, etc.

The utility model discloses an easily dismantled house support structure, including telescopic adjusting rod and support bracket, the external bottom end of telescopic adjusting rod is welded with fixed part, and the left and right sides of fixed part are both movably connected with damping rod, the external of damping rod is provided with damping spring, and the tail end of damping rod is fixed with connecting piece, and the connecting piece is fixed with the support bracket. Hard springs are fixed to the left side and the right side of the bottom end of the telescopic adjusting rod, and a telescopic cover is fixed to the middle of the bottom end of the telescopic adjusting rod. Compared with an existing house supporting structure, the house supporting structure easy to disassemble is provided with the vertical damping mechanism and the lateral damping mechanism, vibration conduction can be reduced, it is avoided that when the device supports a formwork or other parts, the parts are subjected to too strong vibration, and the practicability of the device is improved; and displacement during supporting of the device can be avoided, or roller damage caused by too large supporting force can be avoided, and the supporting stability of the device can be improved.

The utility model relates to the technical field of production and manufacturing equipment, and provides a dehydration device for rubber tire production and processing, which comprises a bottom plate and a plurality of fixing blocks, the top of the bottom plate is fixedly connected with two supporting columns, the outer surfaces of the two supporting columns are fixedly connected with positioning blocks, and the positioning blocks are fixedly connected with the bottom plate. Two first positioning rods are movably embedded in the outer surfaces of the opposite sides of the two positioning blocks and the supporting column correspondingly, the multiple first positioning rods are averagely divided into two sets, hydraulic cylinders are fixedly connected to the outer surfaces of the opposite sides of the two sets of first positioning rods correspondingly, and telescopic rods are arranged on the outer surfaces of the two hydraulic cylinders correspondingly; and positioning pins are fixedly connected to the outer surfaces of the two telescopic rods, so that a crane is prevented from being used for overturning, the operation is convenient, the labor intensity of staff is reduced, the use experience feeling of a user is improved, meanwhile, strong vibration generated when the equipment is started and stopped is avoided, noise is reduced, the working environment of the staff is protected, and the working efficiency is improved. And the service life of the dehydration device is prolonged.

The utility model discloses a kind of pre-mixed concrete impurity filtering devices with aggregate, it includes: feed bin, first filter bin, second filter bin and discharge bin;Filter screen b, the filter screen b is set at the first filter bin and the second filter bin junction;Filter screen c, the filter screen c is set at the second filter bin and the discharge bin junction;Multiple cleaning mechanism, part cleaning mechanism is set on the filter screen b upper end, another part cleaning mechanism is set on the filter screen c upper end.This kind of pre-mixed concrete impurity filtering devices with aggregate, through the cleaning mechanism of being set on the filter screen b and filter screen c upper end, the impurity after cleaning and filtering is left on filter screen b and filter screen c, accelerate the speed of impurity flowing out of first filter bin and second filter bin;Through the vibration mechanism of being set on the filter screen b and filter screen c lower end, provide periodic strong vibration, separate the adherend on filter screen b and filter screen c.

The utility model discloses an electroplating clamp with a vibration function. The electroplating clamp comprises a mounting frame, the bearing part is transversely arranged on the mounting frame; the current contact point device is arranged on the bearing part and is connected with an external power supply; the vibration part is mounted at the front end of the bearing part and is driven by the current contact point device to work; the transfer frame is vertically and downwards mounted at one end, provided with the vibration component, of the bearing component; the frame is arranged below the transfer frame and is hollow, and a plurality of clamping assemblies which are perpendicular to the frame and used for clamping products are arranged at the upper end of the frame. The vibrating component is additionally arranged on the upper surface of the bearing component, the vibrating component generates vibrating force after being driven by the current contact point device, the vibrating force is transmitted downwards to the frame through the transfer frame, then the vibrating force is transmitted to a product through the clamping assembly on the frame, the product can generate strong vibration during electroplating, and the electroplating quality is improved. Therefore, the phenomenon of poor cavities of the product is prevented, the yield of the product is improved, and the improvement cost is low.

The utility model discloses vibration screening equipment for flour pretreatment in wheat processing, and relates to the technical field. The vibrating screen comprises a supporting frame and a discharging bin fixedly installed on the supporting frame. A discharging mechanism, a vibrating screen mechanism and a cleaning mechanism are arranged on the supporting frame. The discharging mechanism comprises a rotating rod rotationally installed in the discharging bin, an auger is fixedly installed on the outer wall of the rotating rod, a discharging groove is formed in the top of the discharging bin, a vibration box is arranged at the bottom of the discharging bin, a first motor is fixedly installed at the top of the vibration box, and a second motor is fixedly installed at the bottom of the vibration box. The left end of the rotating rod extends out of the discharging bin and is fixedly connected with an output shaft of a first motor, and a plurality of circular grooves are formed in the bottom of the discharging bin. By arranging the discharging mechanism, the first motor can be started, the output shaft of the first motor drives the rotating rod to rotate, the rotating rod drives the packing auger to rotate, materials can evenly fall into the vibration box from the circular groove, and the materials are effectively supplied for follow-up screening.

The invention relates to the technical field of ultrasonic cleaning, in particular to ultrasonic cleaning equipment with a wastewater filtering treatment mechanism, which comprises a cleaning pool and a drainage pipe arranged at the bottom of the cleaning pool, and a filtering device is coaxially and detachably inserted into a water inlet of the drainage pipe. An annular gap is reserved between the periphery of the filtering device and the inner surface of the drainage pipe; the filtering device comprises a reducer pipe, a bottom pipe, a limiting ring, a bottom plate, a rotating rod and a cleaning brush; the reducer pipe comprises at least one set of forward conical cylinder net and reverse conical cylinder net, and the forward conical cylinder net and the reverse conical cylinder net are coaxially and fixedly connected. The bottom pipe is coaxially fixed at the bottom end of the reducer pipe; the top of the gap is blocked by the limiting ring, so that waste water in the cleaning pool flows into the drainage pipe through the reducer pipe and the gap. By means of the device, residues can rapidly and thoroughly fall off from the inner circumferential faces of the forward conical cylinder net and the reverse conical cylinder net.

The invention relates to the technical field of dredging equipment, and provides a suction-shovel dual-purpose intelligent dredging robot with a rotary function, which comprises a robot body, a suction-shovel dredging terminal, a rotary base terminal, a collection terminal and a dredging control terminal, the suction shovel desilting terminal is installed on the robot body and used for desilting the interior of the pipeline when the robot body enters the pipeline. The suction shovel desilting terminal is connected with the collecting terminal through a desilting blow-off pipe; the collecting terminal is used for collecting sludge in the pipeline through the dredging and blow-off pipe; a mounting groove is formed in the bottom surface of the robot body; the terminal of the rotary base is rotationally connected into the mounting groove; a servo motor is arranged in the robot body and connected with the rotary base terminal. The bottom of the rotary base terminal is used for sweeping and sucking sludge; the desilting control terminal is installed on the outer side of the collecting terminal and used for controlling the robot body, the suction shovel desilting terminal and the rotary base terminal. The desilting device has the effect of improving the desilting efficiency.

The invention relates to the technical field of numerical control planer type milling machines, and discloses a numerical control planer type milling machine capable of longitudinally moving, which comprises a machine tool, a longitudinal motor is fixed below the machine tool, and a longitudinal threaded rod is fixed at the output end of the longitudinal motor; the end, away from the longitudinal motor, of the longitudinal threaded rod is rotationally connected with the machine tool, a longitudinal sliding rod is fixed to the lower portion of the machine tool, the outer wall of the longitudinal sliding rod is slidably connected with a longitudinal moving frame, and the longitudinal moving frame is in threaded connection with the longitudinal threaded rod; according to the numerical control planer type milling machine capable of longitudinally moving, after an exhaust fan is started, a longitudinal moving frame is controlled to be above a workpiece, a large amount of scrap iron is generated when the workpiece is machined, in the machining process, a transverse moving frame needs to transversely move, an L-shaped rod is further driven to synchronously move, and a notch between curtains on the two sides is further driven to be synchronous with the position of a milling cutter all the time; and the effect of accurately cleaning the scrap iron generated by machining is achieved.

The utility model relates to the technical field of vibrators, in particular to a heavy pneumatic vibrator, which comprises a vibrator, pull rods and a pneumatic motor component, the outside of the vibrator is connected with a plurality of groups of pull rods, the inside of the vibrator is connected with the pneumatic motor component, and a non-slip mat is arranged in the middle of the upper end of the outside of the vibrator. A protective pad is arranged at the position, close to the upper end of the pneumatic motor assembly, in the vibrator, the vibrator is composed of a shell, a base, mounting holes and connecting lug plates, the lower end of the shell is connected with the base, the upper end of the shell is provided with multiple sets of mounting holes, and the upper portion of the exterior of the shell is provided with multiple sets of connecting lug plates. The two ends of the pull rod are connected with multiple sets of limiting nuts, and the pneumatic motor assembly is composed of a pneumatic motor, a limiting hole, an inflation connector, a connecting sleeve, a first eccentric block, a rotating shaft, an adjusting groove, a positioning bolt and a second eccentric block.

The utility model discloses a wear-resistant anti-impact scattering grader which comprises a scattering box and a grading box, a feeding hopper is fixedly installed at the top of the scattering box, buffer plates are arranged on the left side and the right side of the inner wall of the feeding hopper, scattering rollers are arranged below the buffer plates, the grading box is arranged below the scattering box, and the grading box is arranged below the scattering box. A first filter screen and a second filter screen are arranged in the grading box, a first vibration motor is fixedly installed at the center of the bottom of the first filter screen, and a second vibration motor is fixedly installed at the center of the bottom of the second filter screen. According to the utility model, the buffer plate and the buffer spring are arranged right above the two scattering rollers, so that during feeding, the buffer plate and the buffer spring can absorb and disperse the impact force, the impact and vibration on the scattering rollers are obviously reduced, and meanwhile, the scattering rollers are usually made of wear-resistant materials, so that the scattering rollers are not prone to damage, and the service life of the scattering rollers is prolonged. And the service life and the durability are improved.

This invention relates to the field of ultrasonic cleaning technology, and more particularly to an ultrasonic cleaning device with a wastewater filtration mechanism. The device includes a cleaning tank and a drain pipe disposed at the bottom of the cleaning tank. A filter device is coaxially and detachably inserted into the inlet of the drain pipe, with an annular gap between the outer periphery of the filter device and the inner surface of the drain pipe. The filter device includes a reducing pipe, a bottom pipe, a limiting ring, a base plate, a rotating rod, and a cleaning brush. The reducing pipe includes at least one set of positive and negative conical meshes, which are coaxially and fixedly connected. The bottom pipe is coaxially fixed to the bottom end of the reducing pipe. The limiting ring seals the top of the gap, allowing wastewater from the cleaning tank to flow into the drain pipe through the reducing pipe and the gap. This invention allows residues to be removed more quickly and thoroughly from the inner circumferential surfaces of the positive and negative conical meshes.

The utility model provides a piezoelectric structure and an electronic device, the piezoelectric structure comprises a panel and a piezoelectric ceramic, the panel forms a pressing part, the pressing part comprises a pressing surface, the piezoelectric ceramic is arranged at the central position of one side of the pressing part away from the pressing surface, and the thickness of the pressing part tends to increase outwards from the central position of the pressing part. Specifically, the thickness of the pressing part is reduced, and particularly, the central position of the piezoelectric ceramic is set to be the thinnest, so that the rigidity of the thinned pressing part is weakened, the pressing part is easy to press, vibration is easy to generate, and the vibration feeling of the hand feeling of people is stronger. Meanwhile, the thickness of the pressing part is set to be in the trend of increasing outwards from the center position of the pressing part, so that the vibration cannot be transmitted to other areas while the vibration sense of the hand pressing position is ensured to be strong enough, and the normal work of other components is not influenced. The piezoelectric structure has the advantages that the pressing is easy, the vibration sense of the central position of the pressing part is strong, and the vibration sense does not affect the normal work of other components.

The utility model provides a water vapor removal device, which relates to the technical field of water vapor removal of a hot rolling production line and comprises a triangular pyramid-shaped shell, a damping connecting seat, a mounting window, a damping blowing device and a damping supporting column, according to the device, the triangular pyramid-shaped shell and the roller way outer wall are fixedly communicated together through the damping connecting base, and the damping connecting base plays a certain damping role; the three damping supporting columns support the three damping type blowing devices correspondingly to conduct external damping supporting. The damping type blowing device has a damping protection function on an internal fan, better damping protection is provided for the fan under the cooperation of various damping protections, and the damping type blowing device can cope with strong vibration caused by high water pressure and large flow in an ultra-fast cooling mode.

The utility model relates to the technical field of laminating machine brush cleaning, and discloses an automatic cleaning mechanism for a laminating machine brush, which comprises a shell, a cleaning plate is arranged in the shell, a support frame is arranged at the top of the shell, a telescopic rod I is fixedly connected to the bottom of the support frame, a support plate is fixedly connected to the bottom of the telescopic rod I, and the support plate is fixedly connected to the bottom of the telescopic rod II. The outer wall of the first telescopic rod is sleeved with a first spring, one end of the first spring is fixedly connected with the bottom of a supporting frame, the other end of the first spring is fixedly connected with the top of a supporting plate, the bottom of the supporting plate is fixedly connected with a fixing block, and the top of the supporting plate is fixedly connected with an ultrasonic vibrator. According to the self-cleaning brush, dirt attached to the brush is shaken off through vibration of the ultrasonic vibrator in the cleaning process, the top of the brush is connected with the supporting frame through the first telescopic rod and the first spring, vibration generated by the ultrasonic vibrator is stronger, and the effect of improving the self-cleaning efficiency of the brush is achieved.

The present invention belongs to the technical field of leveling equipment for building materials, and in particular to a portable underground concrete leveling device. Aiming at the problem that the existing leveling device is large in size and difficult to carry, and the leveling device is easy to slip out of the hands due to vibration, the following scheme is proposed, which includes a vibration beam, both ends of the vibration beam are fixed with end portions, an inner wall of one side of the vibration beam and an inner wall of the bottom are welded with the same L-shaped plate, the vibration beam and the L-shaped plate are slidably connected with the same sliding plate, a handle is fixed through the connecting seat, and both ends of the handle extend to one side of the vibration beam, and the handle is used to drag the vibration beam to move. In the present invention, the installation and disassembly of the handle and the vibrator can be quickly completed, so that the leveling device can be easily carried underground for leveling operations. In addition, during leveling, strong vibration of the handle can be avoided by vibration damping, so as to prevent the staff from getting numb hands and affecting the leveling efficiency in the later stage.

The embodiment of the utility model discloses a driving mechanism which comprises a motor, a first-stage planetary reducer, a second-stage planetary reducer and a cooling fan, and the first power input end of the first-stage planetary reducer is connected with the motor; the second power input end of the second-stage planetary reducer is connected with the first power output end of the first-stage planetary reducer, and the second power output end of the second-stage planetary reducer is used for outputting torque; the cooling fan is arranged at the first power output end of the first-stage planetary reducer. The cooling fan is arranged at the first power output end of the first-stage planetary reducer, the first-stage planetary reducer can drive the cooling fan to rotate, and therefore the effect of cooling the motor can be achieved, in addition, the cooling fan is not directly connected to the power output shaft of the motor, the motor does not need to directly drive the cooling fan to rotate, and the cooling efficiency is improved. Therefore, the power consumption of the motor is effectively reduced and the service life of the motor is prolonged.

The utility model relates to the technical field of construction materials, in particular to a screen vibration classifier for conveying construction materials, which comprises a mounting shell, a pressing top block and an anti-clogging scraping component, two connecting lug plates are fixedly connected to the side end face of the mounting shell in a bilateral symmetry manner, and suspension springs are mounted at the upper ends of the two connecting lug plates. The upper ends of the suspension springs are connected with lap joint plates, two limiting through grooves are formed in the side end face of the mounting shell in a bilateral symmetry mode, the lap joint plates are slidably connected to the interiors of the limiting through grooves, the side ends of the lap joint plates are fixedly connected with screen plates, and the screen plates are arranged in the mounting shell. A discharging sliding plate is arranged below the screen mesh plate. According to the utility model, the cylinder drives the movable rod and the pressing ejector block, and the movable ejector rod is matched with the impact plate, so that only strong vibration is generated on the screen plate, the screening of materials can be effectively promoted, and the generation of noise can be reduced.

The utility model relates to the field of screening equipment, in particular to raw material screening equipment for asphalt production. The technical problems that according to an existing raw material screening device for asphalt production, materials left in a screening container usually need to be manually cleaned after screening is finished, the automation degree is low, and consequently the working efficiency is reduced are solved, and compared with a traditional raw material screening device for asphalt production, the raw material screening device for asphalt production has the advantage that the working efficiency is reduced. Comprising a base, a first screening assembly, a second screening assembly, a first conveying assembly, a second conveying assembly, a third conveying assembly and a mounting frame, by arranging the screening equipment for automatic conveying through the first conveying assembly, the second conveying assembly and the third conveying assembly, materials do not need to be manually cleaned and filtered, and the screening speed is greatly increased; and large, medium and small particles in the asphalt can be filtered through the first screening assembly and the second screening assembly, the particles are sequentially and independently conveyed through all the conveying assemblies, all the procedures are independently and coherently carried out, and the working efficiency is high.

The present invention belongs to the technical field of micro-vibration motors, and specifically is a flat vibration motor and a manufacturing method thereof. The flat vibration motor comprises an upper housing and a lower housing, which are buckled together to form a receiving space, a stator assembly and a rotor assembly are arranged in the receiving space, the stator assembly comprises a flexible circuit board and a coil, the rotor assembly comprises an elastic member, a magnet and a plastic sealing member, bosses are respectively arranged at the center positions of the upper housing and the lower housing toward the receiving space, a groove is arranged in the middle of the boss, the rotor assembly is fixed in the receiving space by the elastic member and the grooves of the upper housing and the lower housing, the number of magnets is arranged corresponding to the number of coils, the present invention drives the rotor to swing by changing the current direction of the stator coil, and realizes motor resonance by combining the inherent resilience of the elastic member, the flat vibration motor provided by the present invention has a long service life, a fast starting response and a strong vibration sense.