16results about How to "Large amplitude" patented technology

The invention relates to the technical field of drilling machines, in particular to a radial drilling machine for zinc-aluminum-silicon-magnesium-chromium alloy machining, which comprises an L-shaped rocker arm and a spindle box mounted on the L-shaped rocker arm, the spindle box is matched with the L-shaped rocker arm to adjust the drilling position, and a rotatable assembled drill bit is mounted on the lower portion of the spindle box. An axial flow channel and a forking flow channel are formed in the assembled drill bit; the forking runner directly sprays the gas-liquid mixed medium, and compared with an external cutting fluid spraying mode in the traditional technology, the gas-liquid mixed medium can directly reach the end of the drill bit and take away cutting powder.

This invention provides an electronic device comprising a housing, a hard disk, at least one fan, and at least one vibration damping structure. The hard disk is disposed within the housing. At least one fan is disposed within the housing. At least one vibration damping structure is located between the hard disk and the at least one fan, and includes an elastic element and a mass block. The elastic element includes a mounting portion, a supporting portion, and a swinging portion. The mounting portion is disposed within the housing. The opposite ends of the supporting portion are respectively connected to the mounting portion and the swinging portion. The mounting portion and the swinging portion are located on the same side of the supporting portion. The swinging portion is oscillating relative to the supporting portion and the mounting portion. The mass block is disposed within the swinging portion. The solution provided by this invention enables the vibration damping structure to achieve both low assembly cost and effective vibration damping.

This invention discloses a method for unsteady-state ultrasonic standing wave-assisted control of fusion welding. It utilizes dual ultrasonic transducers to perform dual-wave interference, forming an ultrasonic standing wave. This ultrasonic standing wave is introduced into the fusion welding process, and its action on the welding area allows for real-time control of the microstructure and properties of different parts of the weld joint. This forms a unsteady-state ultrasonic standing wave with controlled directional movement of the wave packet nodes, which is then used to regulate the microstructure and properties of the weld joint. This invention enables control over the direction and speed of movement of the unsteady-state ultrasonic standing wave wave packet nodes, allowing for regional control of the microstructure and properties of different parts of the weld joint, resulting in a more uniform joint composition and microstructure. It can solve problems such as undercut, burn-through, high residual stress, severe deformation, and columnar crystals that reduce joint performance during the welding of thin materials or fine wires, refining grains and improving joint performance. It can achieve controllable connections from the centimeter scale to the micrometer scale.

The utility model discloses a high-performance micro-flat magnetic horn, which comprises a shell and a front cover with a sound outlet hole, the front cover covers the shell, a diaphragm is arranged in a cavity formed by the shell and the front cover, a voice coil is adhered to the bottom of the diaphragm, an outer magnet and an inner magnet arranged in the center of the outer magnet are mounted in the shell, an outer washer is adhered to the top of the outer magnet, and an inner washer is adhered to the bottom of the outer washer. The top of the inner magnet is bonded with the inner washer, a copper ring of the diaphragm is arranged between the shell and the front cover and located on a platform of the shell, the top of the outer magnet is flush with the platform of the shell, the outer washer is arranged in the copper ring, and the copper ring and the outer washer share the same circle center. According to the utility model, the sizes of the diaphragm copper ring, the inner magnet, the outer magnet, the inner washer and the outer washer are optimally designed and reasonably arranged, so that the thickness of the loudspeaker is not increased while the performance of the loudspeaker is improved, and the application range is wider.

This invention discloses an automatic correction and feeding mechanism for a flexible vibratory feeder, belonging to the field of vibratory feeding technology. It includes a fixed box, a vibratory feeder seat above the fixed box, a feed tray on the top surface of the vibratory feeder seat, and a camera assembly on one side above the feed tray. It also includes a flexible vibration assembly, comprising a connecting seat fixedly connected to the bottom surface inside the fixed box, an eccentric vibration motor fixedly connected to the top of the connecting seat, and one end of the output shaft of the eccentric vibration motor fixedly connected to the center of the bottom of the vibratory feeder seat. In this invention, a single eccentric vibration motor combined with four sets of obliquely symmetrical elastic support structures decomposes the rotational excitation force output by the motor into two orthogonal simple harmonic vibration components in the X and Y directions. The two components are superimposed to synthesize a stable and controllable horizontal elliptical motion trajectory. This trajectory causes the pins inside the feed tray to produce continuous, low-impact flexible sliding under the action of friction and inertia, preventing deformation, bending, or peeling of the surface coating of the parts.

The utility model relates to a kind of driving device for the blade assembly installation of laser cutter mould, comprising: several pull plates, are fixed to the bottom of blade assembly according to interval, the two sides of the pull plate are respectively provided with corresponding clamping portion outside convex;Blade pulling mechanism includes workbench, the workbench can be lifted and is provided with several groups of corresponding clamping plate of the pull plate, the protruding portion that the clamping plate is respectively provided with clamping to the clamping portion on the pull plate, and the clamping plate is connected to the output shaft end of corresponding lifting drive mechanism by corresponding link plate;Ultrasonic transducer, fixedly installed on the link plate;Clamping plate limiting assembly, after the same group of clamping plate clamping to the clamping portion of corresponding pull plate, the clamping plate limiting assembly is fixed to the same group of clamping plate.The utility model can quickly install the blade assembly of laser cutter mould, and can effectively ensure that blade assembly does not appear the situation that cutting edge is damaged in assembly process.

The utility model discloses a double magnetic circuit structure of ultrathin woofer, including shell, magnetic member, voice coil, damper and cone, the magnetic member includes first magnet and second magnet, first magnet is provided at one end portion of shell, second magnet is coaxially sleeved with first magnet inner side and is fixedly connected with first magnet, and the cone is provided with the first magnet. One end portion of the voice coil extends between the first magnet and the second magnet. The inner side and the outer side of the voice coil are respectively provided with one magnet, double magnetic circuits can be formed in the same loudspeaker space, compared with a conventional single magnet, the double-magnetic-circuit loudspeaker can generate larger magnetic field intensity when acting with the voice coil under the same condition, larger ampere force is formed to act on the voice coil, the cone is driven to generate larger amplitude, the sound loudness is improved, and the sound quality is improved. And the magnetic field can be relatively more uniform and stable through the washer, so that the fidelity of sound is improved to the greatest extent, and the sound effect quality of the loudspeaker is improved.

The invention discloses a device for eliminating effect force during vibration of an electrolytic copper foil workpiece, which relates to the technical field of metal material processing and treatment and comprises a placing frame for supporting an electrolytic copper foil coiled material, and further comprises a base, the central bearing is located at the central position of the electrolytic copper foil coiled material and plays a role in rolling, and the electrolytic copper foil coiled material is placed on the placing frame through the central bearing; the uniform excitation mechanism is mounted at the end part of the central bearing through a special clamp, and excitation forces at different positions can be automatically adjusted through the uniform excitation mechanism according to the size of the copper foil coiled material, so that the situation that stress cannot be effectively eliminated due to unbalance of the excitation forces is avoided; and the vibration exciter is connected with the uniform vibration excitation mechanism, and vibration force is provided through the vibration exciter, so that stress elimination of the electrolytic copper foil coiled material is completed through the vibration force.

The utility model relates to mixing device technical field, and disclose a kind of premixing device for polyamide staple fibre spinning, including, horizontal mixing box, the horizontal mixing box is used to hold material, one side of the horizontal mixing box is equipped with discharge hole;Mixing mechanism, the mixing mechanism is located inside horizontal mixing box;Vibrating discharge mechanism, the vibrating discharge mechanism is equipped in one side of horizontal mixing box and is communicated with discharge hole.The utility model is provided with vibrating discharge mechanism, so that vibrating motor rotates and generates vibration, while discharge hopper and horizontal mixing box resonate, and through the setting of turnover type support mechanism, when discharging, the horizontal mixing box is inclined, and the horizontal mixing box and turnover cylinder are supported by support spring, so as to further expand the amplitude of horizontal mixing box, and further improve the discharge effect.

The invention provides an electronic device. The electronic device comprises a machine shell, a hard disk, at least one fan and at least one vibration reduction structure. The hard disk is arranged in the case. The at least one fan is arranged in the machine shell. The at least one damping structure is located between the hard disk and the at least one fan and comprises an elastic piece, a first mass block, at least one compression spring and at least one second mass block. The elastic sheet comprises two mounting parts and a bending part. The two installation parts are installed on the machine shell. The two opposite ends of the bending part are connected to the two installation parts respectively. The distance between the middle section of the bending part and the casing is larger than the distance between the two opposite ends of the bending part and the casing. The first mass block is arranged at the middle section of the bending part. One end of at least one compression spring is arranged on one of the two mounting parts. One end of the at least one second mass block is connected to the other end of the at least one compression spring. According to the vibration reduction structure, the low assembly cost and the vibration reduction effect can be achieved at the same time.

The utility model relates to the technical field of electroacoustic horn design, in particular to a box-type horn, which comprises an upper cover box and a lower cover box, diaphragm frames are arranged in the upper cover box and the lower cover box, diaphragms are arranged in the diaphragm frames, three-fold ring edges are arranged at the joints of the diaphragms and the diaphragm frames, and the diaphragm frames are arranged in the three-fold ring edges. A miniature hole is formed in the middle of the diaphragm, a magnet frame is installed between the upper cover box and the lower cover box, and a plurality of sets of magnets are arranged in the middle of the magnet frame. According to the utility model, the coil is laterally arranged, so that the two long sides of the coil are respectively arranged in magnetic fields with different directions, driving force in the same direction is generated during power-on work, and larger amplitude can be generated in the same volume; the sound box can be divided into an upper cavity and a lower cavity which serve as a front cavity for sound output, and the sound pressure level can be increased due to the fact that the phases of two sounds are consistent.

This invention discloses an electromagnetic excitation device, relating to the field of seismic exploration technology. It includes a housing assembly, an excitation assembly, and a vibrating plate. The housing assembly includes a housing body with a first receiving groove having a first opening facing a first direction. The excitation assembly is disposed within the first receiving groove and includes two permanent magnets and an electromagnet. The two permanent magnets are arranged opposite each other with the same pole along a second direction and connected to the bottom wall of the first receiving groove. The electromagnet is disposed between the two permanent magnets and connected to the housing body. When an alternating current is applied, it vibrates back and forth between the two permanent magnets, generating an excitation force that acts on the housing body. The vibrating plate is disposed on the side of the bottom wall of the first receiving groove facing away from the first opening and is coupled to the ground. When the electromagnet is energized, it is subjected to the excitation force transmitted by the housing body and acts on the ground. Thus, the structure is simple, the overall size is small, the weight is light, and it is easy to carry. Simultaneously, it generates a large amplitude and excitation force, improving exploration accuracy and depth.

The utility model discloses a rhythm vibrator with larger amplitude, which comprises a shell, a double-output-shaft vibration motor and two eccentric blocks, the double-output-shaft vibration motor and the two eccentric blocks are all positioned in the shell, the two eccentric blocks are respectively connected onto double output shafts of the double-output-shaft vibration motor, the two eccentric blocks are equal in size, and the two eccentric blocks are arranged in the shell. The sum of the weight of the two eccentric blocks is at least more than half of the weight of the double-output-shaft vibration motor, and the sum of the weight of the two eccentric blocks is at most 2-3 times of the weight of the double-output-shaft vibration motor. The weight ratio of the weight of the two eccentric blocks to the weight of the double-output-shaft vibration motor is determined again, compared with an existing vibrator, the weight of the two eccentric blocks is heavier, larger amplitude can be generated when the double-output-shaft vibration motor drives the two eccentric blocks to vibrate, and the vibration effect is better. Particularly, when the vibrator is used for a thick dielectric layer or the vibrator is far away from a human body, people can still feel a regular vibration effect due to larger amplitude.

This disclosure relates to an audio signal processing method, apparatus, terminal device, and storage medium. The method includes: acquiring a first audio signal through a first acquisition unit of the terminal device and acquiring a second audio signal through a second acquisition unit of the terminal device; the distance difference between the first acquisition unit and the second acquisition unit and a first sound source is within a first range; the distance difference between the first acquisition unit and the second acquisition unit and the second sound source is greater than the maximum value of the first range, and the first sound source is the target acquisition object; superimposing the first audio signal and the second audio signal in the time domain to obtain a superimposed audio signal; filtering out noise audio signals with amplitudes less than a preset value from the superimposed audio signal to obtain the target audio signal of the target acquisition object. This reduces the interference of the sound emitted by the sound source on the desired sound, resulting in the desired audio signal, reducing noise, and improving the quality of the audio signal.

The application discloses an ultrasonic knife rod, which comprises a rod body and an end effector, the rod body is provided with a gain structure and a frequency modulation structure, the effective length of the rod body is an integer multiple of the half wavelength of an amplitude longitudinal wave, and the proximal end face of the rod body is located at an antinode position of the amplitude longitudinal wave; the gain structure comprises a first gain step and a second gain step, the first gain step is located at a first node position of the amplitude longitudinal wave, the second gain step is located at a last node position of the amplitude longitudinal wave, the frequency modulation structure is located between the first gain step and the second gain step, and the frequency modulation structure is located at an antinode position of the amplitude longitudinal wave. The ultrasonic knife rod can make the end effector obtain the maximum amplitude under the action of an ultrasonic transducer, so as to meet the operation requirement.

The utility model discloses a supporting device for pipe jacking construction, which belongs to the technical field of pipe jacking construction, and comprises a fixing mechanism and a supporting mechanism, the fixing mechanism comprises a bottom plate and a supporting frame; the supporting mechanism comprises a track and a ball; by arranging the independent track structure, the tracks are installed on the movable frame, the height of the movable frame is adjustable, the distance between the two tracks can be changed by adjusting the position of the supporting frame, different construction requirements are met, and the third reinforcing plates correspondingly arranged at the balls of the tracks can enhance the structural strength of the tracks. A rubber pad at the joint of the track and the movable frame is pressed when the track is installed, vibration buffering protection is provided for the track while the track amplitude is prevented from being too large, the damaged track can be independently replaced when the track generates plastic deformation or fatigue cracks, and the overall maintenance cost is reduced. And adaptability adjustment can be conveniently carried out on the track according to different pipe jacking construction requirements.