10results about How to "Control vibration" patented technology

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 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 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 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 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 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 application discloses a vibration control method and device, a mobile terminal and a storage medium. The vibration control method is applied to the mobile terminal, and the vibration control method comprises the following steps: in a game running process, in response to a drawing instruction of a graphic application programming interface (API), drawing data of a game interface to be drawn is acquired; based on the drawing data, content information of a specified region in the game interface is determined; and if the content information satisfies a vibration triggering condition, the mobile terminal is controlled to vibrate. The method can reduce power consumption during vibration control during the game.

The utility model provides a double crank mechanism embroidery machine head relates to sewing embroidery technical field, including the casing, be equipped with the presser foot drive crank in the casing, the presser foot drive crank is connected with needle bar drive crank through same transmission shaft fixedly. Adopt double crank mechanism respectively simultaneously drive needle bar main part and presser foot main part, can make both sides keep a balanced state of opposition in the movement, the movement between two cranks can offset each other axial centrifugal swing, effectively control the vibration produced in axial, reduce the vibration and noise produced when equipment works. Through the coordinated transmission between control connecting rod, make presser foot main part cloth time meet the cooperation between the sewing mechanism, effectively improve the sewing performance. Through a plurality of connecting rod transmission, make presser foot main part and needle bar main part's movement more coordinated, in the both separation and contact instant is in the same speed state, reduce the vibration produced between the impact when mechanism movement, reduce noise and improve the sewing quality.

This invention provides a multi-station self-centering machining fixture for irregular products, including a base, a support seat, a clamping device, a clamping seat, and a support base B. The support seat has a positioning device, the clamping seat has a clamping device, and the support base B has an intermediate support device. The positioning device includes a positioning wedge located on the side surface of the support seat, with two guide positioning posts. The positioning wedge is fixedly connected to the side surface of the support seat by bolts A. A spring A is installed in the middle hole of the positioning wedge, and the spring A is connected to a limiting screw on the side surface of the support seat. This invention has low manufacturing cost, can automatically center and determine the center, rationally allocate clamping positions, provide quick and efficient clamping, has a reliable clamping method, minimizes workpiece deformation, effectively controls vibration during processing, and can greatly reduce the labor intensity of workers and reduce the scrap rate of products.