1451 results about "Vibration transmission" patented technology

The invention discloses a method for determining a transportation impact damage limit value of a transformer, which belongs to the technical field of transformers, and comprises the following steps: optimizing the layout of a sensor based on a vibration transmission path and a simulation result through three-dimensional modeling and finite element analysis, collecting vibration data in a transportation process in real time, and comparing and analyzing the vibration data with an impact limit value; according to the method, the transportation path and the fixing mode are optimized, a transportation path assessment report and a quality assessment report are automatically generated, the technical problem of structural damage risk assessment and optimization caused by impact damage in the transportation process of the transformer is solved, accurate modeling of the transformer structure and mechanical simulation verification in the transportation process are achieved, and the reliability of the transformer structure is improved. According to the invention, comprehensive monitoring of key parts is ensured, vibration data in the transportation process are collected in real time and are compared and analyzed with an impact limit value, instant alarm and feedback are provided, and the risk of impact damage is effectively reduced.

The present application relates to the technical field of purification equipment, and in particular, to a vibration damping and noise reduction device, a fan, and a range hood. The vibration damping and noise reduction device includes a damping plate, a buffer plate, and an elastic buffer member. The damping plate and the buffer plate are spaced apart facing each other, and the damping plate is used to fit with the fan cover plate. The elastic buffer member is disposed between the damping plate and the buffer plate, and both ends of the elastic buffer member are respectively abutted against and connected to the buffer plate and the damping plate. The elastic buffer member can expand and contract in a direction perpendicular to the damping plate, so that when the fan operates and generates vibrations, the expansion and contraction deformation of the elastic buffer member can extend the time of vibration transmission to reduce the impact force generated by the vibration. Furthermore, under the combined action of the damping effect of the damping plate and the elastic buffer member, the vibration of the fan can be more effectively alleviated, and the working noise of the fan can be reduced.

The invention discloses a collaborative enhancement energy consumption mechanism and a support arm type fan tower drum damping device with the collaborative enhancement energy consumption mechanism, and relates to the technical field of engineering structure vibration, the collaborative enhancement energy consumption mechanism comprises a liquid column lever assembly and a plurality of inerter damping units symmetrically installed at the end of the liquid column lever assembly, and each inerter damping unit comprises a shell; the hydraulic damper and the linear-rotation converter are sequentially and axially installed in the shell from top to bottom, when the liquid column inclines, the first connecting plate is driven to drive the piston rod to stretch out and draw back, the piston rod drives the flywheel to rotate through the linear-rotation converter, and therefore vibration energy is transmitted to a fixed foundation structure through the second connecting plate to be dissipated; the invention further discloses a supporting arm type fan tower drum vibration reduction device, displacement of the vibration transmission part is transmitted to the liquid column lever through the connecting piece, the inerter damping unit is driven to stretch out and draw back, a complete energy consumption chain of the tower drum, the vibration transmission part, the connecting piece, the liquid column, the inerter damping unit and the ground is formed, and it is guaranteed that energy is stably transmitted to a fixed foundation structure.

The invention discloses a power transmission system internal source excitation load and vibration transmission analysis method and system. The method comprises the steps that firstly, gear dynamic meshing rigidity, spline equivalent bearing rigidity and a flexible shaft model are obtained based on parameters of a gear, a spline and a rotating shaft, and then a power transmission system vibration transmission analysis model is established by combining bearing parameters; the method comprises the following steps: respectively obtaining a vibration acceleration signal of each bearing seat position through experiments and simulation, extracting a signal corresponding to each meshing excitation from each bearing seat measuring point signal through a defined comb filter, and calculating the vibration energy contribution of each meshing excitation; finally, through meshing excitation vibration contribution of multiple measuring points and a load transmission rule among parts obtained through simulation, a transmission rule of endogenous excitation load and vibration in the power transmission system is disclosed, vibration characterization of each measuring point in the power transmission system can be accurately obtained based on the method, a theoretical basis is provided for selection of sensitive measuring points, and the method has a wide application prospect. Therefore, support is provided for digital twin modeling and health management of the power transmission system.

The invention discloses a motor coil winding device and method, and belongs to the technical field of motor manufacturing, the motor coil winding device comprises a winding machine body, the upper surface of the winding machine body is fixedly connected with a pair of supporting plates, and the outer surfaces of the supporting plates are provided with self-adaptive floating wire protection assemblies; a wire dynamic regulation and control assembly is installed on the upper surface of the winding machine body, a fixing piece is installed on the upper surface of the winding machine body, and a winding displacement quality sensing assembly is installed on the portion, close to the fixing piece, of the upper surface of the winding machine body. The magnetorheological fluid in the magnetorheological fluid damper rapidly changes the rheological property under the action of a real-time control magnetic field, vibration transmission is effectively restrained, the phenomenon that a wire is broken due to too large tension is avoided, when it is monitored that the tension is too small, the magnetic powder brake increases the resisting moment and slows down the rotating speed of the pay-off reel to improve the tension, and if the tension is too large, the magnetic powder brake stops working. The magnetic powder brake reduces the resistance moment and accelerates the pay-off, and ensures that the wire is always at the optimal traction angle.

The invention relates to an active and passive hybrid vibration isolation test platform and a working method thereof. The active-passive hybrid vibration isolation test platform is composed of a main body device, a vibration sensing device, a vibration control device and an active-passive hybrid vibration isolation device. The active and passive hybrid vibration isolation devices are symmetrically arranged on the two sides of the armature and comprise supports, particle dampers and electromagnets, the electromagnets are supported above the armature through the supports, the supports are of hollow structures, damping particles are filled in the supports, and coils are wound on the electromagnets. A suspension controller in the active vibration isolation module controls the current of an electromagnet coil so as to attenuate a low-frequency vibration signal and realize active vibration control; and under the combined action of particle damping in the passive vibration reduction module, medium-frequency and high-frequency vibration signals are attenuated, and passive vibration control is realized. Compared with the prior art, the device has the advantages that the adjusting range of elasticity and damping parameters is expanded, and the vibration isolation stability is improved.

The invention discloses a burr polishing device for a high-strength automobile structural member, which belongs to the technical field of mechanical polishing and comprises a workbench and a workpiece, a machining table is arranged on the workbench, a motor and a liquid pipe are connected in the machining table, the output end of the motor is connected with a polishing head, and the burr polishing device further comprises a clamping mechanism and a detection mechanism which are arranged at the bottom of the machining table. In the polishing process, vibration transmission between the machining table and the machined part can be attenuated, chatter marks are reduced, and the surface smoothness is improved through elastic clamping of the second sliding block, the first sliding block and the third sliding block on the machined part, in the polishing process, the protruding degree of a polishing area is pre-detected through the detection block, and when the polishing head passes through the detection area subsequently, the polishing efficiency is improved. The rotating speed of the grinding head and the liquid spraying amount of the liquid pipe are adjusted through the transmission rod, self-adaptive automatic adjustment of the grinding head and the liquid pipe is achieved according to the pre-detection result of the machined part, and the grinding efficiency and the grinding work quality are guaranteed.

The invention discloses a physical-data dual-drive track steel spring damage detection and identification method and system, belongs to the field of vibration and noise reduction and safe operation and maintenance of track traffic, and is characterized in that simulation data are acquired through a vehicle-track coupling dynamic model, and actually measured data are collected by using a fiber grating acceleration sensor array system. The data are preprocessed, and a data set with labels is established; in the aspect of feature extraction, data driving and physical driving methods are combined, and implicit and display features of data are extracted from the angles of time domain, frequency domain, vibration transfer coefficient, wavelet packet energy spectrum and the like. After being fused, the features are used for training a steel spring damage identification model based on an attention mechanism. According to the method and the system, physical and data driving methods are effectively integrated, the accuracy and the efficiency of steel spring damage detection are improved, and the method and the system are suitable for complex engineering environments.

A substrate support device includes: a plurality of rollers that is arranged inside a housing and holds an outer edge of a substrate; a rotation drive unit that rotates the substrate by rotationally driving the plurality of rollers; a vibration transmission mechanism that is installed in such a manner as to extend from any of the rollers or the rotation drive unit up to the housing and transmits vibrations to the housing, the vibrations occurring due to a notch or an orientation flat on the outer edge of the substrate hitting the roller; a detection sensor that is arranged outside the housing, detects at least one of sound, vibration, and strain occurring from the housing, and outputs a signal corresponding thereto; and a rotation speed calculation section that calculates a rotation speed of the substrate, based on the signal outputted from the detection sensor.

The invention is suitable for the technical field of hovercar control, and provides a thermal-vibration-weight collaborative optimization method of a high-power-density hovercar controller, and the method comprises the steps: constructing a three-dimensional housing structure based on fractal mechanics, achieving 35-45% of weight reduction through bionic design, and remarkably reducing the weight while guaranteeing the structural strength; thermal management, electromagnetic compatibility and vibration suppression collaborative optimization layout is established, a high-heating-power module is arranged near a heat dissipation air opening, and a sensitive control unit is arranged in a center damping area of a shell; a gradient material distribution scheme is adopted, a high-heat-conduction composite material is configured in a high-heat-flow area, and a high-damping material is adopted in a vibration sensitive area. Under the high-power working condition, the heat dissipation performance of the controller is improved, vibration transmission is reduced, the overall weight is reduced, and high-reliability control hardware support is provided for the hovercar.

The invention discloses a sliding rail moving type bus duct structure, and relates to the technical field of bus ducts. Comprising a protection shell, a sliding cover, a wire row and a fixed protection assembly, heat generated by the wire row is transmitted to a self-adaptive baffle through a conduction vibration buffering piece, the self-adaptive baffle generates corresponding bending deformation according to the magnitude of the absorbed heat, and therefore a gap of the corresponding size is generated in a heat dissipation opening, and the purpose of self-adaptive heat dissipation according to the temperature is achieved. The fixing frame is used for fixing a wire row, vibration is transmitted to the conduction shock absorber, part of vibration is absorbed through deformation of the arc-shaped spring piece, the vibration is reduced, the transmission plate is used for driving the damping sliding block to slide in the sliding groove of the protection shell in a reciprocating mode, and friction force generated between the damping sliding block and the damping piece resists movement of the damping sliding block. The vibration amplitude of the damping sliding block is weakened, so that the damping sliding block tends to be static more quickly, vibration of the wire row is converted quickly, and the purposes of vibration reduction and noise elimination are achieved.

The invention discloses a solving method for a micro-vibration transmission model of a flexible cable of a spatial magnetic suspension vibration isolator, and relates to the technical field of spatial vibration isolation. The method comprises the following steps: establishing a spatial magnetic suspension vibration isolator flexible cable micro-vibration transmission model based on central line telescopic deformation and cross section shear deformation; constructing a partial differential equation solving model based on the physical information neural network; constructing a loss function of a partial differential equation solving model by using the residual error, the residual error gradient, the initial condition and the boundary condition of the partial differential equation so as to train the partial differential equation solving model, and performing offline storage on the trained model; and then solving the micro-vibration transmission model of the flexible cable of the spatial magnetic suspension vibration isolator to obtain a solving result. According to the method, the accuracy of the flexible cable micro-vibration transmission model in the construction and solving process can be improved, support is provided for the design of vibration isolation compensation control, and then the problem of dynamic disturbance introduced by the flexible cable in a space magnetic suspension vibration isolation system is solved.

The invention relates to the field of vehicles, and provides a local resonance damping design method and electronic equipment. The method comprises the following steps: S1, determining the resonant frequency and position of a vehicle body by analyzing the sound and vibration characteristics of the vehicle body; s2, setting an optimization constraint and an optimization target based on the determined resonant frequency, and performing optimization design on a damping structure of local resonance through first simulation software to obtain an optimized damping structure corresponding to the resonant frequency; the design parameters of the optimized damping structure at least comprise modal parameters, three-dimensional data and material parameters; s3, calculating a resonance band gap of the damping structure by using second simulation software according to the design parameters of the damping structure; s4, according to the resonance frequency of the vehicle body and the resonance band gap of the damping structure, optimization design is conducted on the damping layer; and S5, arranging the optimized damping structure and damping layer according to the analyzed vibration transmission steps. The control efficiency of low-frequency vibration can be improved, and the driving comfort of a user is guaranteed.

According to the light and simple crawler-type vibration harvester suitable for the steep mountain land, the triangular crawler belt is adopted for driving, the contact area with the ground is increased, the climbing performance is improved, maneuverability, flexibility and reliability are high, flexible connection is formed through the elastic coupler, and vibration transmission is stable. The device comprises a vehicle body, a suspension platform and a vibration clamping mechanism, wherein the vehicle body comprises an H-shaped bottom formed by two longitudinal beams and a cross beam; triangular driving tracks are arranged at the rear ends of the longitudinal beams; auxiliary wheels are arranged at the front ends of the longitudinal beams; the suspension platform is located above the position between the front portions of the two longitudinal beams, the rear portion of the suspension platform is fixed to the sliding frame, and the sliding frame is arranged on the guide rods in an up-down sliding mode. The lifting driving device for driving the suspension platform or the sliding frame to lift up and down relative to the guide rod is connected with the suspension platform or the sliding frame; the vibration clamping mechanism used for clamping a tree trunk and conducting excitation vibration on the tree trunk is hung on the driving hanging platform through a flexible rope.

The invention discloses an assembly type efficient sound insulation cover convenient to install, and relates to the technical field of sound insulation covers. Comprising a plurality of pieces of main body square steel, the main body square steel are linearly and evenly distributed at equal intervals, jacking mechanisms used for improving the bottom supporting strength are arranged on the inner walls of the main body square steel correspondingly, and assembly type connecting mechanisms used for improving the connecting strength and stability are installed in the main body square steel correspondingly; according to the assembly type efficient sound insulation cover convenient to install, main body square steel is inserted and limited in a penetrating and inserting mode through the assembly type connecting mechanism, the defect that limiting performance is insufficient due to the fact that a lap joint mode is directly used in a traditional structure is overcome, the whole assembly process is simpler and more convenient, rubber pads and expansion water stop strips are arranged at splicing joints, and the assembly efficiency is improved. The vibration transmission of equipment can be blocked, the inherent frequency is kept away from the vibration frequency of the equipment, secondary noise caused by resonance is avoided, meanwhile, through gaps are reduced, the noise is prevented from leaking from the insertion hole position, and the problem of noise leakage is solved.

The invention relates to a site micro-vibration attenuation test measuring point determination method and system, belongs to the technical field of vibration test, and solves the problem that vibration test measuring point arrangement depends on vibration source load accuracy or artificial experience in the prior art. The method comprises the following steps: determining a basic measuring point based on a target site parameter, obtaining an actual measurement vibration response, and calculating an actual measurement response transfer ratio; establishing an initial finite element model of the target site, and applying a preset load to the initial finite element model to obtain an initial finite element calculation result; according to the basic measuring points, corresponding model calculation points and predicted vibration responses are extracted, and predicted response transfer ratios are calculated; and performing model parameter updating by using the actually measured response transfer ratio and the predicted response transfer ratio, obtaining a basic finite element model, generating a vibration transfer form curve, obtaining vibration transfer characteristics, and determining the number and the positions of the measuring points. The micro-vibration transmission characteristics are accurately determined without depending on the vibration source load, and the number and the positions of the vibration attenuation test points are reasonably formulated.

A seal assembly (100) for an elevator (200) is disclosed. The seal assembly includes a covering structure (102). The covering structure covers a top portion of the elevator. The covering structure (102) comprises a plurality of pairs of U-shaped slots (102A) integrally formed along a peripheral portion of the covering structure (102), the plurality of pairs of U-shaped slots (102A) being arranged in mutually orthogonal orientations. Further, a plurality of U-shaped plates (104) are disposed along the peripheral portion and a plurality of seal moulds (106), each seal mould (106) is positioned in a respective region bounded by the peripheral portion and a lower surface of the covering structure (102), the pair of outer side walls (104A, 104B), and an elevator cabin (220) of the pneumatic vacuum elevator (200), thereby enhancing sealing performance and reducing vibration transmission to the elevator cabin.

The invention relates to the field of tunnel early warning, in particular to an adjacent existing line construction disturbance degree evaluation method and system, and the method comprises the steps: determining stress distribution data and damage factor distribution data of regions where an engine oil tunnel and a construction tunnel are located through finite element analysis; then, a disturbance evaluation area between the existing tunnel and the construction tunnel is extracted, stress concentration areas are extracted from the disturbance evaluation area, and after the areas are unstable, large disturbance can be generated on the existing tunnel. And extracting damage factors of the stress concentration area from the damage factor distribution data, and delimiting a possible influence range based on the stratum and the basic information in the construction process. An attenuation model of vibration transmission during operation of the construction tunnel is constructed, and the attenuation model evaluates vibration energy reaching the stress concentration area. And comprehensively evaluating whether the stress concentration area has an instability risk or not by combining the damage factor data of the stress concentration area.

The invention relates to the field of noise monitoring, in particular to a noise monitoring device for a reduction gearbox gear of an open mill and a monitoring method thereof. Comprising an open mill driving motor, the output end of the open mill driving motor is in transmission connection with an open mill braking structure, and the open mill braking structure is in transmission connection with an open mill reduction gearbox assembly; a sliding rod slides in a sleeving cylinder to extrude a compression spring, the compression spring acts rebound force on a pressure sensor when sensing pressure, an elastic transmission block is driven to abut against the inner wall of a transmission pipe, when vibration occurs in the working condition of a gear of a reduction gearbox subsequently, the transmission pipe is driven to shake violently, and then the elastic transmission block is driven to stretch out and draw back; the vibration force directly enables the elastic transmission block to drive the sliding rod to extrude the pressure sensor, and an alarm is given after the pressure of the pressure sensor reaches a specified value, so that the precise effect of vibration transmission is improved, and the working effect of noise real-time monitoring is improved at the same time.

The invention discloses a pull type electric tension machine and method for tension stringing of a power transmission line, and relates to the technical field of tension machines, the pull type electric tension machine comprises a supporting frame, a traction wheel is arranged on one side of the interior of the supporting frame, and driving teeth are arranged in the middle of the supporting frame; a tension adjusting assembly for adjusting the tension of the electric wire and a conical roller assembly for improving the guide of the electric wire and uniformly distributing the tension are arranged on the other side in the supporting frame, and an inclined roller assembly is arranged in the middle of the supporting frame. In the electric wire traction process, the vibration machine transmits vibration to the surface of the electric wire through the elliptical shell and the round roller, so that the electric wire generates small displacement, and the friction force between the electric wire and the contact surface is effectively reduced. According to the structure, the static friction coefficient between the electric wire and the supporting structure such as the ground and the guide wheel is remarkably reduced, the adhesion effect is reduced, the electric wire can slide more smoothly, traction resistance increase or wire body damage caused by excessive friction is avoided, and the electric wire is helped to be separated from an obstacle or a bending point more easily.

The invention relates to the technical field of bridge structure engineering, in particular to a new and old bridge joint vibration disturbance control method, which comprises the following steps: S1, arranging a sensor at a new and old bridge joint, and collecting vibration data of the part; according to the method, a multi-source information identification model is constructed by fusing a physical mechanism and deep learning, robust identification of a vibration source and dynamic reconstruction of a transmission path are realized in combination with vibration transmission entropy and Granger causal test, an accurate basis is provided for subsequent vibration reduction scheme design, and an adaptive scheme is screened based on vibration characteristics, so that the accuracy of vibration reduction is improved. A four-dimensional coupling model is constructed through finite element simulation, an improved genetic algorithm is adopted to solve a Pareto optimal solution under the constraint of cooperative work performance of new and old bridges, parameters are selected according to engineering priorities, and cooperative optimization of the vibration reduction effect, structural safety, cost control and durability is achieved. Therefore, the accuracy and engineering applicability of vibration disturbance control at the joint of the new bridge and the old bridge are remarkably improved.

The invention belongs to the technical field of prefabricated part pouring, and particularly relates to a vibration platform for prefabricated part pouring. Comprising a conveying roller way, a material box, a vibration platform and a plurality of adjusting devices, the vibration platform is connected with a rack of the conveying roller way through an air spring, a rectangular through hole is formed in the top end of the vibration platform, the adjusting devices are arranged in the rectangular through hole and comprise hydraulic cylinders and U-shaped adjusting plates, and the hydraulic cylinders drive the U-shaped adjusting plates to adjust the height of the material box. Through cooperative control of the adjusting device driven by the hydraulic cylinder and the displacement sensor, automatic adjustment of the levelness of the material box is achieved. According to the structure, no matter what working condition is, the bottom face of the material box can be completely attached to the vibration transmission face of the vibration platform, and uniform and efficient vibration energy transmission is achieved. According to the vibration platform, the technical problems that an existing vibration platform inclines due to the nonlinear characteristic of a supporting device, and contact of the workbins is uneven are solved, it is guaranteed that pouring materials are even and dense, and the finished product quality of prefabricated parts is effectively improved.

The utility model relates to a controller used on an air mattress and an intelligent bed, belongs to the field of intelligent bed accessories, and provides the controller used on the air mattress aiming at the problem that large vibration is generated when an existing control electromagnetic valve works, the controller comprises an inner shell, a suspension connected to the upper portion of the inner shell and an air pump assembly used for generating airflow, the electromagnetic valve assembly is arranged on the suspension from bottom to top, and airflow is controlled to be switched on and off by opening and closing the electromagnetic valve assembly; the electromagnetic valve assembly is directly or indirectly connected with the suspension through the damping belt, so that the electromagnetic valve assembly is suspended in the inner shell. The electromagnetic valve assembly generating vibration is suspended on the suspension frame, the electromagnetic valve assembly and the suspension frame are connected only through the damping belt, the contact area is effectively reduced, vibration transmission paths are reduced, then noise is reduced, the damping belt can absorb part of vibration, vibration is further reduced, and the influence caused by vibration is effectively relieved.

The embodiment of the utility model provides an objective lens damping device which comprises an objective lens damper, a flexible hinge structure is adopted in the objective lens damper, and the flexible hinge structure provides elastic support when external vibration or temperature changes so as to buffer vibration transmission and reduce stress caused by a thermal expansion effect; the upper layer of the objective lens damper is an objective lens contact end; the lower layer is a frame contact end and is provided with an interface connected with a frame; the middle layer is of a flexible hinge structure, necessary flexible supporting is provided, and therefore vibration isolation and thermal stress buffering are achieved. According to the utility model, the objective lens damper is arranged between the objective lens and the frame, so that the objective lens and the frame are flexibly connected through the scalability of the flexible hinge instead of being rigidly connected through a screw, a better protection effect on the objective lens is achieved, and the designed objective lens damper belongs to passive vibration reduction, so that the service life of the objective lens damper is prolonged. Only through mechanical design, the vibration isolator is easy to achieve, and vibration isolation and thermal decoupling are well achieved.

The invention discloses a vibration transmission structure of a high-temperature vibration sensor calibration device, which comprises a vibration transmission structure body and a transverse auxiliary mechanism, and is characterized in that the vibration transmission structure body is divided into a transmission structure upper section and a transmission structure lower section, the transmission structure upper section is a cylindrical metal structure, and the transmission structure lower section is a cylindrical ceramic structure; a plurality of threaded holes are formed in the upper end face of the upper transmission structure section and used for being in rigid connection with a calibrated vibration sensor, a plurality of threaded holes are formed in the lower end face of the upper transmission structure section and used for being in rigid connection with the lower transmission structure section, and a plurality of through holes are formed in the lower transmission structure section. The transmission structure lower section is used for being rigidly connected with a vibration table of the high-temperature vibration sensor calibration device and the transmission structure upper section, and a threaded hole is formed in the center of the lower end face of the transmission structure lower section and used for installing a standard sensor back to back. According to the invention, the acceleration amplitude uniformity under the vibration temperature composite stress condition can be improved, and the test calibration precision of the high-temperature vibration sensor is effectively improved.

The invention discloses a bone conduction earphone and a bone conduction earphone system thereof, and relates to the technical field of bone conduction earphones, and the bone conduction earphone and the bone conduction earphone system thereof comprise a power supply module, a sound processing module and a connection module used for being connected with external equipment, the sound processing module comprises an audio input unit for receiving analog or digital audio signals from a microphone or other audio sources, the signal processing unit is used for processing the received audio signals; the vibration transmission unit is used for converting the processed audio signals into vibration signals and transmitting the vibration signals to auditory nerves of a user through skull bones; the signal processing unit comprises a noise reduction algorithm for reducing noise and a sound leakage prevention algorithm for reducing sound leakage of the bone conduction earphone; the noise reduction function and the sound leakage prevention function are achieved through the noise reduction algorithm and the sound leakage prevention algorithm respectively, and the noise reduction performance and the sound leakage prevention performance of the bone conduction earphone are improved.

The invention belongs to the technical field of pipeline installation equipment, and particularly provides a pipeline support hanger and an assembling method thereof.The pipeline support hanger comprises a vibration absorption module used for receiving vibration generated by a pipeline and comprising a balance weight shell and a first connecting rod, the balance weight shell is internally provided with a containing space, and the two ends of the first connecting rod are connected to the first end of the balance weight shell and the pipeline correspondingly; the vibration isolation module is used for weakening vibration transmission and comprises a second connecting rod and an elastic assembly, and the second connecting rod penetrates through the second end of the balance weight shell; the elastic assembly is arranged in the containing space and connected with the second connecting rod, and the elastic assembly is configured to be stressed to drive the second connecting rod to move relative to the balance weight shell in the guiding direction of the second connecting rod. The invention aims to solve the problem of transverse line spectrum vibration in the field of existing pipeline vibration control, the integration level of the system is improved while transverse line spectrum control is realized, the installation space is small, and the overall space utilization rate of the pipeline system is effectively improved.

The invention discloses a vibration plate type anti-scaling MVR evaporator, and relates to the technical field of MVR evaporators. Comprising a compressor, a heater, a separator, a circulating pump and a heat exchanger which are connected with one another, the side end face of the heat exchanger fixedly communicates with a cold side inlet pipe and a hot side inlet pipe, the cold side inlet pipe is located on one side of the hot side inlet pipe, and an L-shaped fixed plate is fixedly installed on the side end face of the heat exchanger and located on the outer side of the cold side inlet pipe; an intercepting assembly is arranged on the L-shaped fixed plate; a mounting fixed plate and a stabilizing transverse plate are fixedly mounted on the heat exchanger, an auxiliary assembly is arranged on the mounting fixed plate and the stabilizing transverse plate, and a vibration transmission plate is arranged on the auxiliary assembly. Through cooperative use of the interception assembly and the auxiliary assembly, the anti-scaling capacity of the MVR evaporator is effectively improved, the heat exchange efficiency is improved, the service life of equipment is prolonged, energy consumption is reduced, and the use effect of the MVR evaporator is greatly improved.

The invention provides a shear thickening damper applied to an automobile suspension and a control method of the shear thickening damper, and relates to the technical field of suspension dampers, the shear thickening damper comprises a suspension mechanism, the suspension mechanism comprises a rigid suspension, and a steering adjuster is arranged on the rigid suspension. Through collaborative design of the suspension mechanism, the damping mechanism and the protection mechanism, the comprehensive performance of the automobile suspension system is remarkably improved, the steering adjustor and the reinforcing arc frame dynamically adapt to different steering working conditions and road surface loads, the supporting stability is ensured, the power transmission efficiency is optimized through efficient meshing transmission of the crown gear rod and the gear rotating disc, and the service life of the automobile suspension system is prolonged. The tire grounding stability is enhanced through the adjustable gap design of the connecting ball rod, the damping coefficient and the pre-tightening force of the damping mechanism are adjusted in a self-adaptive mode through multi-stage buffering in combination with real-time sensor feedback, road surface impact is effectively absorbed, vibration transmission is reduced, and the protection mechanism is made of intelligent materials and a collapsible framework structure; and during collision, energy is absorbed according to a preset mode in a deformation grading manner, so that the passive safety is greatly improved.

The embodiment of the invention provides a damping structure suitable for a pin for a steering wheel and an automobile steering wheel, the damping structure is installed and fixed on a supporting piece of any one of the steering wheel or a safety air bag module and used for attenuating vibration transmission between the pin and surrounding parts, and a sleeve is fixed at a through hole in the supporting piece. The elastic piece is fixed on the supporting piece and provided with a supporting leg which always moves from the position outside the axial projection area of the through hole to the position inside the axial projection area of the through hole under the elastic bias action of the supporting leg, the tail end of the pin is provided with a clamping groove, the supporting leg is elastically embedded into the clamping groove, and the pin is provided with a step part. A damping piece is arranged between the step part and the upper end face of the sleeve and abuts against the step part and the upper end face of the sleeve in an interference mode. The elastic piece and the damping piece are arranged, the supporting leg of the elastic piece is embedded into the clamping groove in the tail end of the pin, the damping piece abuts against the position, close to the upper end face of the sleeve, of the pin in an interference mode, the pin is fixed, and the stability of the pin after installation is guaranteed.