194 results about "Transverse vibration" patented technology

The utility model discloses a wafer processing device, and belongs to the technical field of semiconductors. The wafer processing device comprises a carrying table, a shock insulation pad and an ultrasonic device, wherein the carrying table is used for carrying a crystal ingot with a modified layer; the ultrasonic device is arranged above the carrying table, the ultrasonic device can generate transverse vibration waves, and the transverse vibration waves are used for vibrating along the crystal ingot and enabling cracks of the modified layer to extend in the transverse direction; and the bottom of the carrying table is fixedly arranged on the shock insulation pad. According to the utility model, the cracks of the modified layer formed on the crystal ingot by the laser pulse grow and are connected along the transverse direction, the longitudinal growth of the cracks is avoided, the production efficiency of the modified layer is improved, the laser pulse does not need to be intensively emitted, and the wafer processing period is shortened.

The invention relates to the technical field of insulator fault early warning, in particular to an insulator mechanical pulse electrification early warning system. The system comprises a pulse signal acquisition module which is used for setting sampling points at equal intervals at each height of an insulator and acquiring vibration pulse signals of the sampling points; the vibration abnormity identification module is used for determining the transverse vibration abnormity degree and the longitudinal vibration abnormity degree of the vibration pulse signal of each sampling point; the pulse signal denoising early warning module is used for acquiring a standard comprehensive abnormal index of the vibration pulse signal of each sampling point; identifying the non-low-frequency energy intensity of the vibration pulse signal of each sampling point, and adjusting a fixed threshold value in a wavelet denoising algorithm in combination with the standard comprehensive abnormal index so as to perform defect early warning on the insulator by using the denoised vibration pulse signal; according to the invention, the accuracy of defect early warning of the insulator is improved.

The invention provides an ultra-deep well large annulus flexible righting transverse vibration reduction method, which belongs to the technical field of well drilling and drilling, and comprises the following steps of: inputting pre-drilling well drilling engineering information, and calculating a whole well section drill string vibration distribution form based on an established drill string finite element dynamic model; the tripping-in positions and the number of the flexible stabilizers and the layer number and the compression space of plate springs in the flexible stabilizers are designed, and an initial vibration reduction scheme is generated; comparing the real-time vibration data with the predicted vibration distribution pattern, carrying out real-time risk assessment, carrying out dynamic optimization on the initial vibration reduction scheme according to the real-time risk assessment, adjusting the tripping-in position and number of flexible stabilizers, the number of plate spring layers and the compression space, and generating an optimized real-time vibration reduction scheme; a flexible stabilizer is put in the designated position of the drill column; when the drill column transversely vibrates and collides with the well wall, the buffer block of the flexible stabilizer is pressed, the plate spring is driven to generate radial elastic deformation, part of radial impact kinetic energy is converted into elastic potential energy of the plate spring to be stored, and radial vibration reduction is achieved.

The utility model provides a fluid medium pressure gauge adopting an embedded damping device, which comprises a damping plate, bottom plates are arranged on two sides in a sliding chute, a supporting seat is movably arranged at the top of each bottom plate, an outer protection plate is mounted at the top of each supporting seat, and a pressure gauge body is mounted on each outer protection plate. An inner buffer rubber block is arranged between the bottom of the pressure gauge body and the outer protection plate; according to the utility model, the top of the damping plate is provided with the supporting seat sliding on the bottom plate, the top of the supporting seat is provided with the outer protection plate, the pressure gauge body is supported by the outer protection plate, and one side of the supporting seat is provided with the damper, so that the pressure gauge body can be damped through cooperation of the supporting seat and the damper when being subjected to transverse vibration; and meanwhile, the inner buffer rubber block is arranged between the pressure gauge body and the outer protection plate, so that the transmitted vibration can be reduced through the inner buffer rubber block when the pressure gauge body is subjected to vertical vibration, and the impact on the pressure gauge body is reduced.

The invention discloses laser datum line alignment calibration equipment for printing registration, and relates to the technical field of laser instrument calibration. Comprising a mounting table, a suspension mounting mechanism is arranged at the top of the mounting table and used for reducing vibration conduction during operation of the printing equipment, and a linear adjusting mechanism is mounted on the bottom wall of the mounting table. The defects that a traditional lead screw sliding block has a residual gap and is prone to being affected by vibration to move are overcome in a targeted mode, a triangular locking piece can convert transverse vibration force into longitudinal compression force, and it is guaranteed that the locking piece is accurately embedded into a locking groove to achieve mechanical locking in cooperation with limiting guiding of a lug block and a lug groove. After the electromagnet is powered on, secondary fixing is formed through attraction force to be tightly attached to the locking piece and the inner wall of the locking groove, residual gaps are thoroughly eliminated, the double locking enables the position precision and the anti-vibration stability of the laser emitting device to be higher, and it is guaranteed that a datum line is accurate and stable in the whole printing process.

The application provides a bearing assembly for chemical mechanical polishing, comprising a damping module, a driving module and a bearing head; wherein the damping module comprises a spindle with a cavity inside and a first damping unit in the cavity, the first damping unit comprises a core and a plurality of damping blocks arranged on the outer wall of the core, the damping blocks extrude the inner wall of the cavity to absorb the transverse vibration of the spindle. The core is placed in the spindle, which enhances the damping and anti-vibration effect, in addition, the plurality of damping blocks arranged on the outer wall of the core can absorb the transverse excitation generated from the polishing head grinding, the compression resistance of the damping blocks is fully utilized, the original shearing and tensile working state is changed to a compression working state, the transverse damping capacity is increased, and the reset and limiting effects are also exerted.

The application discloses a fuel beach buggy engine suspension assembly and belongs to the technical field of installation and arrangement of internal combustion engines. The fuel beach buggy engine suspension assembly comprises a base and a framework. A buffer assembly one is arranged at the corner of the framework. The buffer assembly one is assembled and connected with a vehicle frame. A buffer assembly two is arranged at the middle section of the framework. The buffer assembly two is assembled and connected with an engine. The buffer assembly one comprises two hierarchical bushings and two rubber bushings. The buffer assembly one and the buffer assembly two are arranged to decouple and process impacts and vibrations in different directions. The buffer assembly one mainly bears impacts in the vertical direction and the vehicle longitudinal direction, and the buffer assembly two focuses on processing impacts and vibrations in the vehicle transverse direction. The design with clear division of labor enables the suspension system to efficiently cope with the complex stress environment of the beach buggy, and significantly improves the inhibition capacity for transverse vibrations.

The application discloses a BLDC rivet automatic feeding detection mechanism, which comprises two transverse vibration supports arranged on a workbench, a longitudinal feeding plate arranged corresponding to a channel, a rivet detection assembly for detecting defective rivets and a defective product dropping mechanism for receiving defective rivets. The transverse vibration supports and the longitudinal feeding plate are arranged to quickly convey the rivets to be detected, so that manual feeding is avoided and the work efficiency is improved. Meanwhile, the rivet detection assembly and the defective product dropping mechanism are arranged to cooperate with each other to detect the rivets. The automatic detection improves the detection accuracy and realizes synchronous detection of a conveying line, thereby reducing the complexity of an assembly line.

The mixing tank for latex paint production comprises a bottom plate, two connecting rods are installed on the upper end face of the bottom plate in a sliding and penetrating mode through a supporting plate, a tank body is fixedly installed at the ends of the two connecting rods together through a fixing mechanism, and an extrusion block is fixedly connected to the outer walls of the two connecting rods together. The inner wall of the extrusion block is connected with the outer wall of the supporting plate through an elastic mechanism, a first motor is fixedly installed on the outer wall of the supporting plate through a connecting mechanism, an eccentric wheel is fixedly installed on the outer wall of an output shaft of the first motor, and an extrusion groove matched with the eccentric wheel is formed in the outer wall of the extrusion block. Through the arrangement of the eccentric wheel, the extrusion block, the spring and other components, when the eccentric wheel is in rotating contact with the extrusion groove in the outer wall of the extrusion block, the tank body can generate transverse vibration under the cooperation of the elastic effect of the spring, and the transverse vibration is combined with the stirring effect of the stirring blades, so that the mixing uniformity of materials is greatly improved; the problem that a traditional mixing tank is uneven in mixing is effectively solved.

The invention discloses a method for predicting machine tool guide rail straightness degradation induced by assembly pretightening force relaxation. The method comprises the following steps that 1, a machine tool guide rail system refined finite element model considering thread contact nonlinearity is established; and 2, constructing a pretightening force relaxation dynamic simulation model under the transverse vibration load. And 3, calculating the deformation distribution of the machine tool guide rail joint surface along the length direction at the corresponding moment. And 4, processing the deformation distribution curve of the guide rail at each moment by adopting an envelope method, calculating the straightness of the guide rail, and analyzing the evolution law of the straightness at m moments. And step 5, establishing a nonlinear mapping model of the straightness and the time based on the data that the straightness changes along with the time, and verifying a prediction result through a test. The method can effectively predict and improve the precision retentivity of the combined surface of the key parts of the machine tool.

The application provides a multiple-redundancy anti-loosening uniform load nut system based on biaxial counter-pressing and vibration energy conversion and an assembling method, which comprises an anti-loosening locking module and a standard nut; the anti-loosening locking module is used for cooperating with a bolt; the standard nut is used for cooperating with the bolt; when the anti-loosening locking module and the standard nut cooperate to lock a workpiece, biaxial counter-pressing is formed between the standard nut and the anti-loosening locking module. The application establishes a static mechanical balance of biaxial counter-pressing, and utilizes the rotation direction characteristics of the positive and reverse threads to lock the nut and intelligently convert the energy component leading to loosening in random transverse vibration into a driving force of dynamic enhanced locking force, so that a positive feedback anti-loosening mechanism of the tighter the better is realized.

The utility model relates to the technical field of scrap recovery, in particular to a plastic plate production and processing scrap recovery mechanism which comprises a base, a connecting frame is installed on the base through a sliding mechanism, the connecting frame is connected with a transverse vibration mechanism, and an installation frame is transversely arranged above the connecting frame. A limiting rod movably penetrating through the mounting frame is vertically and fixedly mounted at the corner of the upper end face of the connecting frame, a butt-joint groove is formed in the inner side wall of the connecting frame, a screening frame is slidably matched with the inner wall of the connecting frame, and a butt-joint strip slidably matched with the butt-joint groove is transversely and fixedly mounted on the outer wall of the screening frame; a driving shaft rotationally connected with the connecting frame is transversely arranged below the screening frame, the outer wall of the driving shaft is fixedly sleeved with a cam in sliding fit with the mounting frame, the driving shaft is connected with a power mechanism, and a collecting tank movably embedded in the upper end face of the base is arranged below the screening frame. According to the utility model, the screening frame moves more complexly, so that the passing of chips is accelerated, and the screening and recycling efficiency is improved.

The application discloses a self-supporting structure deep water transducer based on a relaxor ferroelectric single crystal, which comprises a certain number of transducer units, each of which comprises a piezoelectric element, a transition block, a curved shell, a force transmission plate and a radiation panel; the piezoelectric element adopts a relaxor ferroelectric single crystal element; the curved shell adopts a type VII bending-stretching transducer shell form with the long axis and the short axis vibrating in phase, one force transmission plate is added to the outside of the short axis of the shell, a certain number of transducer units are arranged in a certain rule, the radiation panel is connected to the transducer units through the force transmission plates at both ends of the transducer units, the transverse vibration of the single crystal element is amplified in displacement through the curved shell at the short axis of the shell, the vibration is transmitted to the radiation panel through the force transmission plate, the radiation panel is used for reducing the working frequency, unifying the vibration phase of the transducer units, directly facing the fluid to bear the hydrostatic pressure, and isolating the internal space from the external fluid; the static pressure of the external fluid acts on the radiation panel and then acts on the short axis of the shell through the force transmission plate.

A kind of high-density coil-based vibration transducer, the upper part of the transduction structure support is provided with A vibration pickup beam, the lower part of the transduction structure support is fixed B vibration pickup beam, A vibration pickup beam and B vibration pickup beam are provided with permanent magnet, the top cover center of transduction structure support is provided with upper laminated flexible coil, the bottom end center of the shell base below B vibration pickup beam is provided with lower laminated flexible coil;The positive and negative poles of upper laminated flexible coil and lower laminated flexible coil are connected to the electrode sheet of line lead-out terminal in cascaded manner, lead-out terminal is fixed at the center reserved hole of shell top cover, shell top cover and shell base are adapted to form vibration transducer shell together;The present application adopts double-beam plus double-coil output, reduces the transverse vibration of device;Improve device sensitivity, change the previous magnet through-type structure of magnetoelectric transduction structure using winding coil, adopt the upper and lower integrated mode of magnet and coil, effectively reduce the overall size of device.

The online operation state evaluation method for the main driving chain of the escalator comprises the steps that an image collection system is built, and state images of the main driving chain are continuously collected in the historical operation process of the escalator; the collected state image is processed, and a transverse vibration signal generated in the running process of the driving chain is extracted; performing sample labeling, signal denoising, signal fragmentation and data standardization processing on the collected original transverse vibration signals to obtain a real historical data sample set for model training; a real historical data sample set is used as training data, and a data enhancement model based on a time sequence generation framework is constructed and trained; inputting a random noise vector into the trained data enhancement model, generating different types of abnormal samples, and forming a health state evaluation training set by real historical data samples and the abnormal samples; and establishing and training a health state assessment model based on the health state assessment training set.

The utility model discloses an anti-vibration electronic compass structure, which comprises an electronic compass main body and four groups of damping components respectively arranged at four corners of the electronic compass main body, mounting holes are arranged at the four corners of the electronic compass main body, and each group of damping component comprises an outer sleeve arranged in the corresponding mounting hole. A mounting sleeve is coaxially arranged in the outer sleeve, the outer wall of the mounting sleeve is connected with the inner wall of the outer sleeve through a plurality of transverse elastic pieces, the two ends of the mounting sleeve are connected with the electronic compass main body through longitudinal elastic pieces respectively, and transverse vibration and longitudinal vibration of equipment during working can be absorbed through the transverse elastic pieces and the longitudinal elastic pieces; the vibration reduction effect is good, parts on the electronic compass main body are prevented from being damaged due to vibration, and the service life of the electronic compass is prolonged.

The utility model discloses a swing device of swing bogie, including H type frame, the H type frame is fixedly connected with the butt joint board for connecting train in the position of center, the top fixed connection of H type frame has two air springs, the both ends of H type frame are all rotatably connected with wheelset through bearing, and the outside fixed connection of wheelset has two limit stops, two L type boards are fixedly connected in the H type frame, and wheelset passes through L type board, the top fixed connection of L type board has two fixed blocks, and one side of two fixed blocks is all fixedly connected with the rotating plate. The utility model not only can effectively reduce the impact between wheel and rail, improve the running stability of vehicle, reduce wheel and rail wear, prolong the service life, promote the operation efficiency, but also can restrain the lateral vibration and swing of carriage in the horizontal plane, especially prevent dangerous "snake movement", ensure the running stability and safety.

The utility model relates to a novel ultrasonic elliptical vibration coupling mechanical rubber tapping system which is suitable for high-precision low-damage harvesting operation of natural rubber trees. Through cooperative work of the ultrasonic power source, the ultrasonic transducer, the ultrasonic amplitude-change pole, the tool holder and the rubber tapping system base, controllable elliptical vibration of the rubber tapping knife is achieved, and the defects in the prior art are effectively overcome. The system adopts a full-bridge structure high-frequency inverter circuit with an auxiliary network, so that the switching loss is reduced, and the power conversion efficiency is improved; the bimodal composite vibration type ultrasonic transducer generates elliptical vibration through the transverse vibration set and the longitudinal vibration set, and the cutting effect is improved. The exponential ultrasonic amplitude-change pole amplifies a vibration signal, and the cutting strength and efficiency are enhanced; the rubber tapping system base ensures stable connection between the system and the robot; and the cutter clamping seat adopts a clamping type positioning groove, so that the blade is convenient to replace. The rubber tapping device has the advantages of being efficient, accurate and low in abrasion, and the quality and efficiency of rubber tapping operation are remarkably improved.

The utility model provides a spiral vibration fat -burning machine relates to fitness equipment technical field, including base, pedal, fixed frame and vibration frame, is equipped with the fat -burning module on fixed frame, is used for driving vibration frame and pedal to make longitudinal reciprocating motion, the middle part fixed vibration frame has the mounting panel, sets up spiral vibration module on it, this module is constituted by vibration motor and eccentric block, motor is inverted in the mounting panel bottom surface, the output shaft is upwardly through the through -hole and is connected eccentric block, drives pedal to make transverse reciprocating motion. Through the complex effect of longitudinal and transverse vibration, form spiral vibration track, can multidimensional stimulation human muscle group, simulate real movement mode, effectively promote fat -burning efficiency and exercise effect.

The invention discloses a strip polishing device. The strip polishing device comprises a rack, a pinch roll assembly, a polishing assembly and a transverse vibration assembly, the pinch roll assembly is connected with the rack, and the pinch roll assembly is used for supporting and conveying strips; the polishing assembly is connected with the rack, the polishing assembly is used for polishing the surface of the strip, the polishing assembly comprises a polishing roller and a polishing carrier roller which are arranged on the rack, the polishing roller and the polishing carrier roller are located on the two sides of the strip in the thickness direction respectively and are oppositely arranged, and the polishing roller can move in the axial direction of the polishing roller relative to the rack; the transverse vibration assembly is connected with the rack and the polishing roller and used for driving the polishing roller to reciprocate relative to the rack in the axial direction of the polishing roller. According to the strip polishing device, the transverse vibration assembly drives the polishing roller to vibrate in the axial direction of the transverse vibration assembly, the polishing quality can be improved in combination with the rotating motion of the polishing roller, and it is avoided that polishing lines are obvious in the continuous polishing process.

A box-type substation with a good anti-seismic effect relates to the technical field of power transmission equipment, a base is fixedly arranged on a foundation, a mounting table is arranged on the base, two sliding rail pairs are fixedly arranged on the base in parallel, the two sliding rail pairs are arranged in bilateral symmetry, and a sliding block is fixedly arranged on the lower surface of the mounting table. The sliding block is slidably erected on the sliding rail pair, the damping mechanism is arranged on the base, and the damping mechanism and the mounting table are arranged in a transmission mode; based on a damping part of a box-type transformer substation, a damping type active damping structure is redesigned, transverse vibration is reduced through conversion from kinetic energy to gravitational potential energy, and damping strength is adjusted through design of an adjustable counterweight structure and an adjustable transmission ratio structure, so that the damping strength of equipment is adjusted according to actual conditions, and the damping effect of the equipment is improved. Therefore, the shock absorption and shock resistance requirements of equipment under corresponding working conditions are met.

The utility model discloses a PVC granule cooling vibration sieve relates to PVC granule processing technical field, the utility model discloses a cooling sieve box and controller, the controller fixed mounting is at the cooling sieve box front surface, and the both opposite surfaces of cooling sieve box all are established with two opening grooves, and the both opening grooves between sliding installation have the sliding board, and two sliding boards both ends extend to the outside of cooling sieve box through the opening groove, and the both sliding boards upper surfaces all are established with the installation groove, and the both installation grooves inside all are installed with the screening net, and the cooling sieve box one surface is installed with two mounting sleeves through bolt, and the position of two mounting sleeves corresponds with the position of two sliding boards. The utility model discloses through sliding board, return spring and eccentric wheel structure, make two sliding boards and screening net move back and forth fast in horizontal direction, realize the transverse vibration of screening net, and when the accumulation of PVC granule can be dispersed screening through the fast transverse vibration, guarantee the screening efficiency of device.

The invention relates to the technical field of safety monitoring of water conservancy and hydropower engineering, in particular to a tension wire tension non-contact checking method and device based on a sound wave vibration frequency method.The tension wire tension non-contact checking method comprises the steps that a non-contact exciter emits excitation pulses to a tension wire to excite the tension wire to generate transverse vibration; collecting a vibration signal of the tension wire in a non-contact manner by using a laser vibration meter; performing fast Fourier transform on the vibration signal to obtain a vibration fundamental frequency of the vibration signal; according to a string vibration formula, in combination with pre-input tension wire length and linear density parameters, a real-time tension value of the tension wire is calculated, and the device comprises an excitation unit, a sensing unit, a main control processing unit and a display and input unit. According to the invention, absolute zero-disturbance, high-precision and rapid on-site checking of the tension of the tension wire is realized, and the problems that a traditional method needs contact measurement, disturbance is large and operation is tedious are solved.

The present application relates to the field of harvesting machines, and particularly relates to a 3D cleaning system for a combine harvester and the combine harvester. The 3D cleaning system for the combine harvester comprises a return disc component, an upper sieve box component arranged below the return disc component, and a driving component. The driving component comprises a first driving arm assembly, a second driving arm assembly, a driving assembly, and a connecting assembly. The connecting assembly is driven to move by the driving assembly, the connecting assembly drives the return disc component to move through the first driving arm assembly, and drives the upper sieve box component to move through the second driving arm assembly. The movement of the return disc component and the upper sieve box component is decoupled through the connecting mode, so that the return disc component and the upper sieve box component can independently move, the movement of the return disc component is not interfered by the upper sieve box component in the transverse vibration process, and the stable operation of the return disc component is ensured, and the return disc component will not abnormally vibrate or deviate from the track due to the transverse vibration of the upper sieve box component.

The utility model provides a kind of damping system and car seat, it is related to car seat technical field, for the vibration after attenuation of suspension system is attenuated again, further reduce the jolt of passenger, improve the ride comfort of passenger.The damping system includes at least one damping mechanism, and, any damping mechanism includes two damping components and first damping element.It needs to be explained, linkage mechanism is formed between first damping element and two damping components, common attenuation is acted on longitudinal vibration and transverse vibration formed by outside impact transmission.Specifically, any damping component is used to connect between seat frame component and vehicle body, and is used to attenuate longitudinal vibration, to reduce the jolt of passenger when riding.And first damping element is connected between two damping components, and is used to attenuate transverse vibration, to reduce the swing feeling of passenger when riding.

The invention discloses a double-collision double-tuned damper for controlling transverse vibration of a floating fan tower, which is designed by the following steps of: constructing a single-column floating fan model; describing the movement of the single-column floating fan by adopting an Euler-Lagrange method and multi-body dynamics; and finally, substituting the kinetic energy and the potential energy into an Euler-Lagrange equation and carrying out linearization to obtain a mass matrix, a stiffness matrix and a damping matrix of the floating fan. DPDTMD design: coupling the kinetic energy and potential energy of the DPDTMD with the kinetic energy and potential energy of the floating fan, and finally obtaining a mass matrix, a stiffness matrix and a damping matrix of a motion equation of the single-column floating fan under the control of the DPDTMD through an Euler-Lagrange equation; dPDTMD parameter optimization includes the mass, rigidity and damping of the two dampers, the installation position of the limiting stopper and the collision rigidity and recovery coefficient of the collision material. On the basis of ensuring the control effect and robustness of the damper, the maximum stroke of the vibration absorber is limited.

The utility model discloses a kind of roller type vibration filters, including shell, the front side center of shell is air inlet, back side center is air outlet, the bottom of shell is ash outlet;Rotary shaft is respectively arranged in the top center and the bottom center in shell, rotary shaft both ends are respectively rotationally connected to the left and right sides of shell, the axis of rotary shaft is perpendicular to air inlet direction;Rotary shaft is connected with roller, filter core band is connected around two rotary shafts, the left and right sides of filter core band are close to the inner wall of shell, rotary shaft rotates and drives filter core to rotate;Vibration shaft is connected in the middle of shell, vibration shaft is parallel with rotary shaft, vibration shaft is also connected with roller;Vibration shaft transverse vibration drives filter core band vibration, and ash is removed by vibration effect;Scraping brush is equipped on the left side of shell bottom, scraping plate is also equipped on the right side of shell bottom, scraping plate front end is close to filter core band, and scraping plate is used to scrape dust on surface in filter core band operation.

A low-energy-consumption PDC drill bit comprises a drill bit body and a plurality of blades extending from the drill bit body, cutting elements and nozzles are arranged on the blades, and at least two steps are arranged on the cutting contour line of the drill bit, so that the drill bit with the structure can release the stress of rock at the bottom of a well, reduce the strength of the rock, reduce the rock breaking difficulty of the drill bit and improve the mechanical drilling speed of the drill bit; the step protruding rock ridges can restrain transverse vibration of the drill bit and improve the stability of the drill bit, so that the service life of the drill bit is prolonged, and the anti-drifting capacity of the drill bit in directional drilling is improved.

The invention relates to a high-strength and high-modulus carbon fiber ultrathin prepreg manufacturing process method which comprises the following steps: uniformly distributing high-strength and high-modulus carbon fibers, and preheating to soften a sizing agent on the surfaces of the high-strength and high-modulus carbon fibers; the preheated high-strength and high-modulus carbon fibers enter a cavity for airflow yarn spreading, and airflow is perpendicular to the advancing direction of the fibers; arranging a group of mechanical yarn spreading rollers after airflow yarn spreading: enabling the fibers to firstly pass through a first transverse vibration roller, and then arranging a longitudinal vibration roller and a second transverse vibration roller, so that the fibers are further uniformly spread; a group of ultrasonic vibration rollers are arranged after mechanical yarn spreading, the fiber bundles are continuously vibrated by means of air oscillation, collapse of the upper-layer fibers towards the lower layer is intensified, the fiber bundles are further uniformly spread and thinned, and then a composite curing process is carried out. The problems of poor thickness uniformity and surface abrasion of the high-strength and high-modulus carbon fiber ultrathin spread yarn are solved, and the prepared composite material is high in designability, good in mechanical property and high in folding adaptability under high strain.

The application provides a liquid-carrying rocket transverse vibration analysis method considering sloshing effect, characterized in that the liquid in the tank has the sloshing effect, and the method comprises the following steps: 1, establishing a finite element model for the transverse vibration analysis of the whole rocket; 2, collecting the structure size of each tank of the liquid-carrying rocket and the liquid parameters in the tank; 3, equivalently taking the first-order sloshing liquid in the tank as a transverse spring oscillator model; 4, recalculating the liquid level height; 5, establishing a mass unit of the sloshing liquid in the tank; 6, establishing a spring connection node of the mass unit of the sloshing liquid in the tank; 7, connecting the reference node and the spring connection node through a spring unit; 8, simulating the remaining liquid in the tank by using a virtual mass method; 9, repeating; and 10, submitting a finite element analysis software to complete the calculation. The application can effectively simulate the influence of the sloshing effect of the liquid in the tank on the transverse vibration characteristics of the whole rocket, and is convenient for obtaining more accurate transverse vibration characteristics of the whole rocket.