38results about How to "Control vibration" patented technology

The invention discloses a circular saw blade base body provided with a vibration reduction inner cavity and a method, solves the problem that the rigidity of a saw blade is reduced due to the arrangement of a vibration reduction groove of the saw blade in the prior art, and has the beneficial effects of effectively absorbing vibration and improving the rigidity of the saw blade. Comprising a first saw blade body and a second saw blade body, the inner side face of the first saw blade body is connected with the inner side face of the second saw blade body, and a damping groove is formed in the inner side face of at least one of the first saw blade body and the second saw blade body so that a circular saw blade base body can be provided with a damping inner cavity; the depth of the vibration reduction grooves is smaller than the thickness of the first saw blade body or the second saw blade body, and when the first saw blade body and the second saw blade body are provided with the vibration reduction grooves, the shapes of the vibration reduction grooves are the same or different, and the arrangement modes of the vibration reduction grooves are the same or different. The first saw blade body and the second saw blade body are both provided with vibration reduction grooves, and when the first saw blade body and the second saw blade body are in butt joint, the vibration reduction grooves are arranged in a staggered mode.

The utility model relates to the technical field of anti-seismic buffering, and provides a fan equipment anti-seismic support which comprises a bottom plate, left and right opposite protection plates are fixedly connected to the outer side of the top end of the bottom plate, left and right opposite protection frames are fixedly connected to the middle side of the top end of the bottom plate, and evenly distributed buffering plates are fixedly connected to the top ends of the protection frames. A mounting plate is fixedly connected to the top end of the buffer plate, first damping cylinders which are uniformly distributed are fixedly connected to the middle side of the top end of the protective frame, piston rods are slidably connected to the inner sides of the first damping cylinders, connecting columns are fixedly connected to the top ends of the piston rods, and first springs are fixedly connected to the outer sides of the bottom ends of the connecting columns. According to the shock absorption device, shock absorption treatment in the transverse direction and the horizontal direction is carried out at the same time, so that equipment can be protected in all directions, it is ensured that the equipment can bear impact in all directions, meanwhile, vibration of the equipment can be controlled more comprehensively, it is ensured that the equipment keeps running stably in the vibration process, and influences on the surrounding environment and the structure are reduced.

The present invention relates to the technical field of medical device cleaning, and discloses a rapid cleaning and drying device for neurology nursing equipment, comprising a cleaning box, a box door is provided on the front side of the cleaning box, a liquid storage box is fixedly connected to the inner side of the cleaning box, a liquid discharge pipe is fixedly connected to the right side of the liquid storage box, a placement unit is provided on the inner side of the cleaning box, two top blocks are fixedly connected to the inner side of the cleaning box and above the placement unit, a fixed pipe 2 is fixedly connected between the two top blocks, a plurality of nozzles are fixedly connected to the lower side of the fixed pipe 2, and a heat dissipation hole is provided on the upper side of the cleaning box. The rapid cleaning and drying device for neurology nursing equipment, through the cleaning box, liquid storage box, nozzle, rotating rod, rotating disk, a plurality of branch plates and placement box, can conveniently control the rotation of the equipment in the placement plate, so that the cleaning agent sprayed by the nozzle and the cleaning agent in the liquid storage box can clean the equipment in many aspects, thereby increasing the cleaning effect.

The utility model relates to the technical field of bag-type dust removers, in particular to an anti-blocking bag-type dust remover which comprises a dust remover barrel body, a bearing plate is movably connected above the dust remover barrel body, an anti-blocking assembly is arranged at the bottom of the bearing plate, a filtering assembly is arranged below the bearing plate, and the anti-blocking assembly comprises a vibration motor. According to the anti-blocking bag-type dust remover, by installing the anti-blocking assembly and through cooperation of a vibration motor, a lifting pipe and other components, after the dust removal efficiency of the bag-type dust remover is reduced, the vibration motor can be controlled to vibrate a filtering assembly below the vibration motor, so that attached dust is popped out, then a lifting rod can be retracted into the lifting pipe, and the dust removal efficiency of the bag-type dust remover is improved. According to the bag-type dust collector, the filter assembly is attached to the inflation pipe, then gas in the gas tank can inflate the filter assembly through the gas inlet pipe and the inflation pipe, then vibration dust shaking and gas dust spraying are achieved, and the situation that the dust collection efficiency is affected due to the fact that the bag-type dust collector is blocked is prevented.

The present invention discloses a heat dissipation, shock absorption and power saving structure of an air conditioner outdoor unit and an air conditioner, comprising a motor support, a wind shielding plate, an electric control box and axial flow fan blades. A heat dissipation and shock absorption structure is arranged between the wind shielding plate and the motor support, and the two ends of the heat dissipation and shock absorption are respectively connected to the wind shielding plate and the motor support, which can improve the connection strength between the wind shielding plate and the motor support. The heat dissipation, shock absorption and power saving structure of the air conditioner outdoor unit and the air conditioner of the present invention can greatly limit the vibration of the motor support by arranging a connecting rod between the motor support and the wind shielding plate, and heat the electric control box by adding a heat dissipation section to prevent the electric control box from causing a fire due to excessive temperature. The rotation of the small axial flow blades drives the power generation device to generate electricity to supply power to the electric control box, which can save electricity for the air conditioner.

The invention relates to a stator for an electric machine, an electric machine with the stator and a motor vehicle with the electric machine. The stator (10) has: a stator body (12) having a plurality of stator slots (14), in each stator slot (14) a plurality of conductors (22) being arranged one above the other in a radial direction (R); and a plurality of spacer elements (26, 34) which are designed to maintain a predetermined distance between the conductors and to maintain a distance of the respective conductor from the slot wall (18) of the stator body, whereby a respective cooling channel (28) through which a cooling fluid can flow is reserved within the stator slot, which cooling channel is delimited at least in some regions by the respective conductor, according to the invention, a cooling fluid can flow directly along the conductors, each conductor has an angled shape in its cross section, and each of the angled corners (24) of all conductors is supported on the other conductor and / or on the groove wall by means of a respective spacer element.

The utility model provides a rotating hammer crushing device for sulfate-resistant cement production, which comprises a feeding shell and a support frame, two groups of material distribution cavities for leading in sulfate-resistant cement abrasive materials are arranged in the feeding shell, a group of crushing cavities for crushing the sulfate-resistant cement abrasive materials are arranged in the shell, and the support frame is arranged in the shell. Compared with the prior art, the anti-sulfate cement crushing device has the following beneficial effects that a worker needs to guide an anti-sulfate cement raw material into the crushing cavity through the material dividing cavity in the feeding shell, and then the worker starts the two motors to crush the anti-sulfate cement raw material into the crushing cavity, so that the anti-sulfate cement raw material is crushed, and the crushing efficiency is improved. The two sets of motors respectively drive one set of rotating shafts to rotate, the two sets of rotating shafts rotate in the same direction or disconnect the connecting belt to rotate in the opposite direction so as to crush sulfate-resistant cement, the rotating hammer body and the movable chain can change the crushing position, and therefore the crushing operation of the sulfate-resistant cement at different sizes and positions is achieved.

The invention discloses a front suspension system, a chassis and a mining heavy-load dump truck. The front suspension system comprises a front plate spring assembly, a telescopic shock absorber, a transverse pull rod and a longitudinal thrust rod. The two front plate spring assemblies are arranged on the two sides of the vehicle in the transverse direction, the middle areas of the front plate spring assemblies are fixed to a front axle, and the two longitudinal ends of the front plate spring assemblies and a vehicle frame are fixed together. The two telescopic shock absorbers are arranged in the middle areas of the outer side faces of the two front plate spring assemblies in the transverse direction, the tops of the telescopic shock absorbers are connected with a frame, and the bottoms of the telescopic shock absorbers are connected with a front axle. The tie rod is arranged between the two front plate spring assemblies, one end of the tie rod is connected with the frame, and the other end of the tie rod is connected with the front axle. The two longitudinal thrust rods are arranged on the two sides of the vehicle in the transverse direction, one end of each longitudinal thrust rod is connected with the vehicle frame, and the other end is connected with the front axle. The device is simple in structure and high in reliability, multi-direction restraining and elastic damping functions are achieved, vibration of a whole vehicle in multi-direction restraining and limiting and vibration of a frame and a vehicle body can be limited, and the comfort and the reliability of the whole vehicle are improved.

The present invention provides a neural network intelligent control method and system based on piezoelectric fiber driven vibration reduction, the method comprising the following steps: using LQR algorithm to obtain MFC response signal and control force, and using CNN-LSTM neural network training as training data to be applied to neural network intelligent control module, directly mapping the control current signal required by the current controller according to the acceleration signal, velocity signal and displacement signal output by the signal acquisition module; transmitting the control current signal to the current controller, the current controller generates a corresponding current, and drives the MFC actuator after amplification by a high-voltage amplifier; the MFC actuator generates a control force to suppress the vibration of the controlled structure, and reduces the vibration response of the controlled structure in real time. The present invention improves the operating speed and stability of the control system, realizes rapid data collection, analysis, and vibration control; does not need to establish a mathematical model and parameters of the controlled object, and can adapt to complex vibration conditions.

The invention belongs to the technical field of organic light-emitting materials and semiconductors, and particularly relates to a difluoro-boron imidazole heterocyclic compound and an electroluminescent device thereof. The structural general formula of the difluoro-boron imidazole heterocyclic compound is as shown in the general formula 1. According to the difluoro-boron imidazole heterocyclic compound provided by the invention, a TADF object structure material taking a benzimidazole difluoro-boron heterocyclic ring as a skeleton is subjected to precise functional modification on a 12-site of a host structure, so that the TADF object structure material can be used as an electron acceptor when being connected with an electron-donating group; and when connected with an electron withdrawing group, the compound can be used as an electron donor to form a bidirectionally adjustable D-A type TADF molecular design, so that the difluoro-boron imidazole heterocyclic compound and an electroluminescent device prepared by taking the difluoro-boron imidazole heterocyclic compound as a guest luminescent material are obtained, and the technical problems that the existing TADF is low in luminous efficiency, short in service life and poor in luminous color purity are solved.

The invention belongs to the technical field of machining tools, and particularly relates to a thin-wall workpiece clamping tool. The thin-wall workpiece clamping tool comprises a bottom plate, a locking assembly, a plurality of clamping assemblies, a plurality of first steering assemblies, a headless traction rope, an adjusting assembly and an adjusting traction rope. The locking assembly is connected to the bottom plate and used for fixing the bottom of the thin-wall workpiece and the bottom plate. The first steering assembly is connected to the bottom plate and comprises a first steering wheel; the headless traction rope penetrates through the wire passing piece and the first steering wheel, and the ends of the headless traction rope are connected to form a closed loop. The adjusting assembly is arranged on the bottom plate and comprises a wiring piece, and the wiring piece can move relative to the bottom plate; one end of the adjusting traction rope is connected with the headless traction rope, and the other end of the adjusting traction rope is connected with the wiring piece. According to the technical scheme, the thin-wall workpiece clamping tool can effectively reduce vibration in the machining process of the thin-wall workpiece, and structural deformation of the workpiece cannot be caused.

The utility model discloses a novel machine cabin control dry-type transformer, including three phase coil, iron core, upper clamp piece and lower clamp piece, high voltage coil and low voltage coil among three phase coil adopt the structure of winding together. This machine cabin control dry-type transformer complies with the tension rebound phenomenon after wire winding, and the four edges of three phase coil are wound into arc edges, and the four corners are wound into circular arc corners, so that three phase coil is wound into eight continuous circular arcs, and the inner side of arc edge of three phase coil is provided with support plate between iron core, and the inner side of circular arc corner of three phase coil is provided with angle support piece between iron core, and the position of three phase coil relative to iron core is accurately fixed through mechanical constraint, and the vibration or deformation of three phase coil under the action of electromagnetic force is limited.

The utility model discloses a material suction manipulator of a button cell feeder, which comprises a main body box and is characterized in that the lower end of the main body box is fixedly connected with a support frame, a fixed plate is fixedly connected in the main body box, a vibration component is arranged on the fixed plate, and the main body box is connected with a material suction port through the vibration component. The upper surface of the material suction opening is fixedly connected with a canvas connecting opening, the vibration assembly and the fixing plate are provided with an adjusting assembly used for adjusting the vibration strength, after the equipment is started, the servo motor is powered on to operate, the output end of the servo motor drives the rotating plate to rotate, and the rotating plate rotates along with rotation of the rotating plate. The force application block fixed to the rotating plate starts to do circular motion around the rotating center, when the force application block moves to make contact with a progress groove in the force application plate, the force application block pushes the force application plate, then the bearing plate is driven to overcome the elastic force of the reset spring to slide upwards along the fixing rod, and at the moment, the material suction opening transversely moves along with the bearing plate; when the force application block moves to the tail end of the forward stroke groove, the force application block starts to enter the reverse stroke groove.

The utility model discloses a color printing carton developing solution recycling device, which relates to the technical field of color printing, and comprises a box body, one side of the box body is provided with a servo motor, the driving end of the servo motor is connected with a material guide roller, the outer wall of the material guide roller is fixedly provided with an impact assembly, the inner wall of the box body is fixedly provided with two groups of mounting rods, and the two groups of mounting rods are fixedly connected with the driving end of the servo motor. The top of each mounting rod is fixedly provided with a plurality of reset springs, a mounting plate is arranged above one group of mounting rods, and the reset springs are fixedly connected with the mounting plate. According to the paper board developing device, the paper board is comprehensively vibrated through rotation of the material guide roller and the impact assembly, the adhesive force between developing liquid and the surface of the paper board is destroyed, and the developing liquid is prevented from falling off; and the impact assembly simultaneously pushes the filter screen frame to form vibration, so that blocking points are reduced, the filtering efficiency is improved, and the requirements of the modern manufacturing industry on efficient and environment-friendly production are met.

The utility model relates to the technical field of engine suspension systems, and provides a combined type engine suspension assembly which comprises a base, a rubber cushion and a positioning pin shaft, the rubber cushion is inserted into the base, the outer end of the positioning pin shaft is located on the outer side of the base, and the inner end of the positioning pin shaft penetrates through the side wall of the base and then is pressed on the rubber cushion. And meanwhile, the rubber cushion is of a vulcanized integrated structure and is provided with a rubber boss structure, so that buffering and limiting effects are achieved when the rubber cushion moves in a large displacement mode in all directions, and abnormal sound caused by collision between the rubber cushion and the base is avoided. According to the technical scheme, on one hand, the problems that in the related technology, a rubber cushion is prone to disengagement in the vertical direction of the bottom plate of the base, and the connection firmness between the rubber cushion and the base needs to be improved are solved; and on the other hand, the problems that in the prior art, when severe working conditions are met, the deformation displacement amount of engine suspension is too large, rubber is prone to being torn, and a failure mode that rubber and a framework are bonded and stripped occurs are solved.

The invention relates to a high-reliability low-frequency broadband coupling damping vibration absorber which comprises an outer shell and an oscillator system arranged in the outer shell. The oscillator system comprises two oscillator units with different resonant frequencies; the two oscillator units are connected in an inner and outer nesting manner; each vibrator unit comprises a three-dimensional mass block, flexible side edge connecting pieces arranged on the two opposite sides of the three-dimensional mass block respectively, and a spring connecting structure arranged at the bottom of the three-dimensional mass block. In the vibrator system, the vibrator unit located on the outer side is connected with the side wall of the outer shell based on a flexible side edge connecting piece, and the vibrator units arranged inside and outside in a sleeved mode are connected based on the flexible side edge connecting piece of the vibrator unit on the inner side. The two vibrator units are respectively connected with the bottom of the outer shell based on the spring connecting structures. The low-frequency vibration absorption effect is enhanced through coupling of the inner vibrator unit and the outer vibrator unit, the high-frequency vibration absorption effect is considered, and the vibration absorber is compact in structure and high in reliability, impact resistance and creep resistance.

The invention relates to the technical field of flat polishing machine grinding head structures, in particular to a flat polishing machine swing grinding head structure which comprises a plate frame, a guide rail is connected to the top end of the plate frame, a grinding head assembly is arranged at the bottom end of the plate frame and comprises a swing accessory, and a rotating shaft is rotationally installed on the side of the swing accessory. The shaft barrel drives the frame shaft to rotate to control the grinding wheel to rotate, when the grinding wheel rotates, the rotating shaft can be driven to be between the left retaining ring and the right retaining ring, at the moment, the V-shaped return rail groove of the rotating shaft can be matched with the guide block to control the rotating shaft to rotate and move left and right between the left retaining ring and the right retaining ring, and then the grinding wheel is controlled to grind parts during swinging; at the moment, in the pushing process of the part, the grinding wheel can grind the part in the non-stop and non-debugging state, the probability that lines are formed in the horizontal moving direction of the polished part between one polishing track and another polishing track in the traditional grinding process is effectively reduced, and the polishing and grinding effect is guaranteed.

The utility model belongs to the technical field of angle punching machine machining, and particularly relates to an angle punching machine with a shock absorption and sound insulation structure. Comprising a base, an angle punching machine body is arranged on the base, fixing clamping grooves are symmetrically formed in the base corresponding to the angle punching machine body, and the base is provided with a shock absorption and noise reduction mechanism matched with the angle punching machine body. Through the design of the damping supporting legs and the isolation frame, overall vibration and noise are limited, the overall vibration is effectively limited through cooperation of common hydraulic rods and damping springs, and protection of a machine and product quality are obviously improved; in addition, due to the design of the corrugated pipe and the sound absorption groove, multi-layer isolation and noise weakening, noise can be effectively reduced, the working environment quality is improved, and good benefits are achieved for the body health of workers.

The invention provides a method for improving the fluorescence intensity of a two-dimensional polymer with excitation wavelength dependence, which comprises the following steps: (1) adding the two-dimensional polymer with excitation wavelength dependence into an organic solvent, stirring to obtain a uniform and transparent solution, adding fluorescent molecules and a catalyst into the uniform and transparent solution, and stirring to obtain a transparent solution; carrying out esterification or amidation reaction on the two-dimensional polymer with excitation wavelength dependence and fluorescent molecules; and (2) after the reaction is finished, precipitating, dialyzing, filtering and drying to obtain the product. Traditional fluorescent molecules are introduced into the two-dimensional polymer with excitation wavelength dependence to change the molecular aggregation state of the two-dimensional polymer and limit intramolecular rotation or intramolecular vibration, so that non-radiation attenuation is reduced, fluorescence of the two-dimensional polymer with excitation wavelength dependence is remarkably enhanced, and the fluorescence intensity of the two-dimensional polymer with excitation wavelength dependence is improved. According to the present invention, the excitation wavelength dependence is maintained in the relatively wide excitation wavelength range, the original blue and green are enhanced, the red fluorescence can be obtained through adjustment, and the red fluorescence intensity is correspondingly enhanced;

The invention discloses a whole vehicle model vibration control analysis optimization method and system. The method comprises the following steps: solving a whole vehicle inherent frequency and a third period peak attenuation rate of a mass center vertical vibration acceleration; uncertain intervals of the suspension rigidity, the damping coefficient and the tire rigidity are divided into a plurality of sub-intervals as focal element intervals, and corresponding focal element values are given; taking the condition that the inherent frequency of the whole vehicle and the peak attenuation rate of the mass center vertical vibration acceleration in the third period meet the design requirement as a proposition to obtain a probability cumulative distribution curve, and representing the minimum probability and the maximum probability of proposition establishment by using the credibility and the likelihood; establishing an evidence theory optimization model, setting a constraint function, and carrying out optimization design on the suspension rigidity, the damping coefficient and the tire rigidity; based on the evidence theory, the probability cumulative distribution of the peak attenuation rate of the third period of the suspension stiffness, the damping coefficient and the tire stiffness under different uncertainties of the inherent frequency and the mass center vertical vibration acceleration of the whole vehicle is analyzed, and the maximum uncertain interval enabling the vibration control of the whole vehicle to have stability is determined.

The present invention belongs to the technical field of electroluminescent materials, and relates to an organic compound and its application. The seven-membered ring structure composed of two naphthalene rings and a N atom can well restrict the rotation and vibration of the naphthalene ring, greatly improve the rigidity of the material, and enhance the stability of the material. The electron-donating ability of the parent nucleus is further enhanced by combining the naphthalene ring with a six-membered nitrogen or oxygen heterocycle. The electron-donating group or the electron-withdrawing group is connected by the N atom to construct a new compound, which can effectively improve the carrier migration ability. The organic compound has a suitable orbital energy level, can be used to prepare an electroluminescent material, can effectively reduce the driving voltage, and improve the brightness efficiency and lifespan.

The invention relates to a vibration calibration method and device of a motor, electronic equipment and a storage medium, and the method comprises the steps: responding to a first designated operation, sending a plurality of driving voltage waveforms to the motor, and controlling the motor to vibrate, the plurality of driving voltage waveforms being voltage waveforms of different frequencies; acquiring a voltage waveform and a current waveform of the motor, and determining an impedance curve of the motor based on the voltage waveform and the current waveform; according to the impedance curve, calibration information is determined, the calibration information is stored, and the calibration information is used for calibrating vibration of the motor. The accuracy of vibration calibration can be improved by determining the calibration information of the motor by using the impedance curve.

The invention provides a flash discharge lamp capable of suppressing blackening of a trigger tube and a flash irradiation device. The flash discharge lamp includes: a light emitting tube extending in a first direction and exhibiting light transmissivity; a pair of electrodes arranged on the inner side of the light-emitting tube and facing each other in the first direction; and a trigger tube disposed along the outside of the light emitting tube so as to extend across the pair of electrodes, the trigger tube including: a conductive member extending in a first direction; and an insertion tube that extends in the first direction, accommodates at least a portion of the conductive member on the inside thereof, and is transmissive to light, the insertion tube being provided with a plurality of constricted portions along the first direction in a region facing between the pair of electrodes, the constricted portions having a portion of the inner peripheral surface thereof protruding toward the conductive member.

The utility model relates to the technical field of speed reducing mechanisms, in particular to a speed reducer integrated with a centrifugal braking function, a linear driving device and lifting equipment. The protective cover is connected to the shell; the connecting shaft is coaxially connected with the rotating shaft of the speed reducing assembly; the balancing weight is in sliding connection with the connecting shaft in the radial direction of the connecting shaft, the balancing weight is located in the protective cover, the balancing weight is connected to a spring used for resetting the balancing weight, and the side wall, away from the connecting shaft, of the balancing weight is matched with the inner side wall of the protective cover; the linear driving device comprises an output mechanism, a motor and the speed reducer integrated with the centrifugal braking function, and the speed reducer integrated with the centrifugal braking function is connected between the motor and the output mechanism. And the lifting equipment takes the linear driving device as a driving source. The speed reduction assembly and the centrifugal brake are integrated into a whole through the flange, centrifugal force is generated through the balancing weight when motor braking fails, and braking is achieved through friction force between the balancing weight and the protective cover.

The present invention relates to a novel organic compound having the following structure: a , R b , R c , R d and R e Each independently represents a single substituent to the maximum permissible substituent, and each independently is selected from hydrogen, substituted or unsubstituted C1-C12 chain alkyl, substituted or unsubstituted C3-C12 cycloalkyl, substituted or unsubstituted C1-C12 alkoxy, halogen, cyano, nitro, hydroxyl, silane, amino, substituted or unsubstituted C6-C30 arylamino, substituted or unsubstituted C3-C30 heteroarylamino, substituted or unsubstituted C6-C30 aryl, substituted or unsubstituted C3-C30 heteroaryl, at least one hydrogen in the compound structure represented by formula (1) is deuterated. When the compound of the present invention is used as a light-emitting layer material in an OLED device, it exhibits excellent device performance and stability. The present invention also protects an organic electroluminescent device using the compound of the above general formula.

The utility model discloses a deeply-buried wall type pile plate structure, and relates to the technical field of rail transit. In order to mainly solve the problems that the existing railway subgrade structure generally generates larger vibration to induce the vibration of the ground and buildings and influence the surrounding living environment, the utility model provides the following technical scheme: the railway subgrade structure comprises a soil retaining assembly, a supporting assembly connected to the bottom of the soil retaining assembly and a vibration reduction mechanism arranged at the upper part of the soil retaining assembly; the soil retaining assembly comprises a soil retaining plate and anti-vibration pads which are oppositely arranged and matched with each other on the upper side and the lower side of the soil retaining plate, and buckles are arranged on the opposite sides of the anti-vibration pads. Anti-vibration pad mounting grooves are formed in the upper side and the lower side of the soil retaining plate; and the buckles of the anti-vibration pad are respectively embedded into the anti-vibration pad mounting grooves so as to fix the anti-vibration pad. The utility model has the beneficial effects that the settlement of the embankment can be prevented, the ground vibration induced by a train can be controlled, and the influence of a railway on the surrounding environment and a residential area is reduced.

The invention discloses a rotary distributor for feed processing, and relates to the technical field of feed processing. A rotary distributor for feed processing comprises a shell, the shell is connected with distribution pipes equidistantly distributed around the circumference, a fixed disk is fixedly connected inside the shell, the top of the distribution pipe is connected with the fixed disk, the top of the shell is connected with a feed barrel, a rotating shaft is rotatably connected between the center of the shell and the fixed disk, and a feed pipe is fixedly connected with the top of the rotating shaft. Materials are introduced into the distribution pipe through the feed pipe for transportation and distribution. When the feed pipe rotates to change the feeding channel, the scraper rotates to clean the inside of the feed hopper to prevent the material from staying on the feed hopper and causing blockage. When the feed pipe is conveying materials, the first dredging rod rotates to dredge the materials in the feed pipe to prevent the materials from being blocked and ensure the smooth transportation of the materials. When the vibration plate knocks the feed pipe, the vibration of the feed pipe can be controlled, and the blockage of the feed pipe can be further avoided to promote the smooth transportation of the materials.

The utility model provides a car door sealing strip and a car and relates to the field of car parts, the car door sealing strip comprises a sealing strip body and a reinforcing structure, the sealing strip body is used for being installed on a car door frame, and the sealing strip body is provided with a sealing bubble which extends in the length direction of the sealing strip body and is used for being in contact with a car door. A cavity is formed in the sealing bubble, the reinforcing structure is located in the cavity, and the reinforcing structure and the sealing strip body are of an integrated structure. The reinforcing structure is arranged in the cavity of the sealing bubble and can be made of a material different from that of the sealing strip body, so that the sealing strip has high hardness, the compression amount of the sealing bubble and the interference amount of the sealing bubble and the reinforcing structure are controlled to effectively support a vehicle door, and the driving requirement of a vehicle on a flat road section is met; when a vehicle runs to a bumpy road section, the compression amount of the vehicle door to the sealing bubble is increased due to vibration, so that the interference amount of the sealing bubble and the reinforcing structure is increased, the sealing reaction force of the vehicle door sealing strip is sharply increased, and the vibration of the vehicle door is limited.

The utility model discloses a hydrogen energy carrier's hydrogen storage bottle damping structure, including base plate, the base plate is fixed and is equipped with damping assembly, the damping assembly includes front end subassembly and rear end subassembly, the front end subassembly is used for with the front end of hydrogen storage bottle and carries out the limited cooperation, the rear end subassembly is used for with the rear end of hydrogen storage bottle and carries out the limited cooperation, the utility model hydrogen storage bottle damping structure is fixed with the damping assembly on the base plate, respectively with the front end and rear end of hydrogen storage bottle and carries out the limited cooperation, and the upper mounting column mainly restricts the bottle body to jump upward, and the lower mounting column can effectively limit the front and back of bottle body and produce when the sudden brake or acceleration and move, forms a plurality of contact areas in the bottle body, this makes the restraint effect of hydrogen storage bottle lateral swing more stable, effectively absorbs and disperses the impact energy, limits the displacement and vibration of hydrogen storage bottle, prevents the collision and shakes, and then improves the stability and security of hydrogen storage bottle, reduces the risk of leakage.

The invention discloses an inhaul cable multi-order modal vibration three-damper control system and a vibration monitoring method, the system comprises a mechanical damper arranged at a near cable-beam anchoring end of a cable-stayed bridge, and the mechanical damper comprises a speed type damper and a tuned mass damper; the two speed type dampers form an isosceles trapezoid type double-speed type damper in an isosceles trapezoid structure.