94 results about "Vertical vibration" patented technology

The application is a kind of force and three-dimensional acceleration composite sensor and its using method, belongs to composite sensor field. Its technical scheme is, a kind of force and three-dimensional acceleration composite sensor, including force detection component and three-dimensional acceleration detection component, force detection component includes annular force core body electrode column, and lower quartz ring and upper quartz ring are respectively arranged on its upper and lower ends, impact platform is arranged above the upper quartz ring, and the lower quartz ring is attached to the base;Three-dimensional acceleration detection component is located inside annular force core body electrode column, including center integrated column, and four horizontal vibration arms and multiple vertical vibration arms are arranged on the outer periphery of the center integrated column, and acceleration detection unit is arranged on the end of each vibration arm away from the center integrated column. The sensor integrates force and three-dimensional acceleration measurement function, can synchronously collect two kinds of signals, the annular structure and the internal setting improve the protection to acceleration detection component, the cantilever structure converts impact force into vibration, reduces the impact suffered by detection unit, and is suitable for instantaneous high impact force working condition.

This invention belongs to the field of vibration control technology and discloses a viscous damper for controlling vertical vibration. The viscous damper adopts a double-cylinder, unsealed structure. The two cylinders are connected by a connecting rod hole in the middle of the cylinder partition. One end of the connecting rod is rigidly connected to a piston inside the second cylinder, and the other end passes through the cylinder partition and the top plate of the first cylinder before connecting to a structure. The bottom of the second cylinder is connected to another structure. When the two structures generate a vertical relative velocity, the connecting rod drives the piston to move in the damping fluid of the second cylinder, generating viscous resistance and suppressing the relative motion of the two structures. This invention does not require strict sealing, has a simple structure, low manufacturing cost, and better durability. The damping coefficient can be dynamically adjusted as needed by the comb teeth or the gradually changing inner cavity of the cylinder, resulting in higher efficiency compared to traditional dampers. This invention can effectively control the vertical or slightly inclined relative motion between various large structures such as bridges, cables, building internal structures, and marine engineering projects caused by various dynamic loads.

The application discloses the technical field of optical platform, and particularly provides an optical platform with good vibration isolation effect, which comprises an optical platform body, a vibration isolation device and a load-bearing damping device, the optical platform body is supported and connected through the vibration isolation device and the load-bearing damping device, and the optical platform body can stably place optical equipment, the vibration isolation device is arranged around the bottom of the optical platform body, and the vibration isolation device can isolate vibration of the four corners of the bottom of the optical platform body, the application can isolate the vertical vibration direction of the placing platform, increase the vertical vibration isolation capacity of the placing platform, and isolate the side of the placing platform and increase the damping capacity of the side of the placing platform.

This invention relates to a composite vibration-assisted flexible conformal polishing device for complex curved optical elements, comprising a gantry with a worktable positioned below it; a vertical vibration mechanism is positioned on the gantry facing the working bearing area to provide vertical vibration force; a flexible conformal polishing disk conformally and uniformly fits the optical element to its lower end; the optical element is located on a horizontal sliding vibration mechanism in the working bearing area, achieving short-distance reciprocating sliding vibration in the lateral direction; the short-distance reciprocating sliding vibration in the lateral direction and the vertical vibration combine to form a composite vibration. The vibration of the flexible conformal polishing disk in both the vertical and horizontal directions improves the material removal efficiency of the optical element and enhances the fit characteristics of the flexible conformal polishing disk to the complex curved optical element, thereby improving the smoothness of small-scale ripples. It can be used for rapid removal of defects remaining from previous processing during rough polishing, and can also be used to remove small-scale ripples after sub-aperture polishing.

This invention discloses a comprehensive performance testing machine for bicycle wheelsets. A yaw mechanism is rotatably mounted between the upper platform and the machine base. A height adjustment mechanism for adjusting the height is fixed at the top of the yaw mechanism. A vibration structure for simulating vertical vibration is mounted on the height adjustment mechanism. A yaw component is mounted on the height adjustment mechanism, and a walking structure for bicycle wheel rotation is also mounted on the yaw component. A sliding platform is slidably mounted on the bottom of the machine base via a linear track and a moving cylinder. A roller module is rotatably mounted on the sliding platform via a bearing seat. A high-speed motor and a low-speed motor are also mounted on the sliding platform. This machine integrates multiple testing functions, including riding fatigue, yaw cornering, road bumps, braking performance, acceleration performance, and transmission system compatibility. It comprehensively covers the actual riding scenarios of bicycle wheelsets, completing multiple performance tests of the wheelset in one go, significantly improving testing efficiency.

The utility model discloses a vibrating type diamond micro powder drying box, including drying box, drying box one side is open to set, and the place rotation is connected with sealing door board, the symmetric setting of drying box in has two groups slide rod, two groups the slide rod outer wall all slidingly connected with fixed block, the recess that the fixed block outer wall has seted up, and the inner wall of slide groove all are wave -shaped setting, the outer wall of connecting rod is provided with elastic mechanism, the driving mechanism of drying box in is provided with the drive scraper, drying box back is provided with the air heater, and the air outlet is connected with drying box in. The utility model discloses through the vertical vibration of cam drive and the horizontal reciprocating motion of scraper's synergistic effect, forced dispersion diamond micro powder is in the accumulation of the placement board surface, especially for the material of edge and corner area, ensure that the material distribution is even in the drying process, avoid the drying uneven phenomenon that traditional single vibration mode leads.

A method and an apparatus for measuring ultrasonic viscoelasticity, a device and a medium are provided. The method includes: establishing an inhomogeneous viscoelastic wave equation; coding the inhomogeneous viscoelastic wave equation as a loss function, and constructing a physics-informed neural network, where the spatial-temporal neural network is configured to predict a stream function, the inhomogeneous viscoelastic wave equation is used to obtain vertical vibration velocity of particles based on the stream function outputted, the spatial neural network is configured to predict shear modulus and viscosity, and the loss function is used to calculate an aggregate loss; inputting the multi-frame vertical vibration velocity of particles of the object to be measured as supervisory data into the physics-informed neural network, to obtain a spatial distribution of the shear modulus and a spatial distribution of the viscosity of the object to be measured.

The utility model discloses a gearbox housing snatchs the grab hand belongs to gearbox production technical field. The device includes hoisting subassembly, and hoisting subassembly output is provided with the hoisting plate, and the front clamping plate is fixedly arranged in the hoisting plate front side, and the back clamping plate that cooperates with the front clamping plate is movably connected to the hoisting plate rear end, and the hoisting plate is provided with the clamping mechanism that is used for driving the back clamping plate bottom to draw close to the front clamping plate to hold the gearbox housing for cooperation, and the vertical vibration motor that is used for generating the up and down direction vibration is fixedly arranged on the front clamping plate top. The utility model discloses when using, and the vertical vibration motor is with 200 300Hz high frequency micro amplitude vibration direct action on the shell joint surface, and only needs 5 seconds to make the up and down shell body and internal component accurate adhesion, and the efficiency is improved. The first, second cooperation piece of rubber material guarantees friction force and prevents slipping, and also avoids shell surface damage, and the vibration energy is evenly transmitted through the contact surface simultaneously, thereby improve the overall assembly efficiency.

The utility model relates to the field of hemodialysis especially relates to hemodialysis pipeline anti -coagulation oscillator structure, including bottom plate, the lower end of bottom plate is integrated with the built -in self -locking mechanism's universal wheel, the upper end fixed connection of bottom plate has vertical vibration unit, installs the support plate in vertical vibration unit, the lower end of support plate is configured vibration motor as drive source to carry out vertical direction's vibration action, the upper end of support plate sets up horizontal reciprocating motion module, and is provided with the receiving plate in horizontal reciprocating motion module, still fixed with the vertical board on the support plate, the surface of vertical board is provided with linkage's sliding mechanism, and sliding mechanism and horizontal reciprocating motion module synergistic effect are used for realizing the guiding displacement of receiving plate, the utility model discloses through vertical vibration and horizontal reciprocating motion combination, more effectively simulate human blood circulation, reduce blood coagulation risk, at the same time, the lower end of bottom plate is integrated with self -locking universal wheel, makes oscillator mobile flexible and fixed stable, and it is convenient to use in different scenes.

The application discloses a kind of layered foundation in friction type pipe pile vertical flexibility calculation method, comprising: establishing three-layer physical model including pipe pile body, virtual soil pile and pile core soil plug;Based on Hamilton variation principle, the vertical vibration control equation of pipe pile body, virtual soil pile, pile core soil plug is respectively established, and the radial attenuation function control equation describing the radial displacement attenuation law of soil body around pile is established;Boundary conditions and pile-soil continuity conditions are set, and the displacement response expression of pipe pile body, soil body around pile and soil plug is obtained;For the strong coupling problem of pile body displacement and soil radial attenuation function existing in displacement response, iteration algorithm is introduced until convergence;The vertical displacement of pile top after convergence is divided by excitation load amplitude, and the vertical dynamic flexibility of pipe pile is obtained.The application models the pile core soil plug as deformable continuous medium soil column consistent with the layered mode of pipe pile, which is more in line with engineering practice and improves the accuracy of vertical flexibility calculation.

The utility model discloses a novel swing type planetary ball mill, which relates to the technical field of ball milling equipment and comprises a base, two swing support frames fixed at the top of the base, swing bearing seats fixed at the tops of the swing support frames, a swing frame rotatably connected between the two swing support frames through the swing bearing seats, and a swing arm mechanism arranged on the base. The swing arm mechanism comprises a speed reducer fixed to the base, a motor is installed at the input end of the speed reducer, a rotating wheel is fixed to an output shaft of the speed reducer, a swing arm is fixed to the shaft end of one end of the swing frame, and a connecting rod is rotationally connected between the rotating wheel and the swing frame. Reciprocating swing of the grinding tank can enlarge the coverage range of grinding balls in the tank, the phenomenon that materials on the inner edge or the bottom of the grinding tank are not fully ground in a traditional single rotation mode is reduced, an additional impact direction such as horizontal or vertical vibration can be introduced, energy input in unit time can be improved in combination with original planetary rotation, and the service life of the grinding tank is prolonged. And particularly, the crushing effect on tough materials is better.

The utility model provides a water softener. The water softener comprises a resin tank; the salt box is provided with a first containing cavity, a mounting opening and a first limiting part, the first containing cavity is used for containing saline water and the resin tank, the mounting opening is located in the top of the salt box and communicates with the first containing cavity, and the first limiting part is located on the bottom wall of the first containing cavity and matched with the lower portion of the resin tank; the supporting middle shell is arranged on the salt box, covers the mounting opening and is provided with a second limiting part, and the second limiting part is arranged around the upper part of the resin tank; and the flexible part is arranged between the outer wall of the upper part of the resin tank and the second limiting part. The first limiting part arranged on the bottom wall of the salt box is matched with the lower part of the resin tank to limit the horizontal displacement; and meanwhile, the second limiting part of the supporting middle shell is combined with the flexible component to conduct surrounding constraint on the upper portion of the resin tank, horizontal movement is limited, vertical vibration is buffered, stable installation of the resin tank is achieved, and the loosening problem caused by machining errors or deformation is avoided.

The application belongs to the technical field of structural vibration control devices, and discloses a high-stability multidirectional vibration isolator. The vibration isolator comprises horizontally arranged upper and lower steel plates, a spiral spring fixed between the upper and lower steel plates, a threaded sleeve and a viscoelastic damping block. The threaded sleeve is rigidly connected to the upper and lower steel plates and located outside the spiral spring. The viscoelastic damping block is arranged in the spiral spring and fixed below the upper steel plate and above the lower steel plate. The viscoelastic damping block is a curved surface. The application improves the vertical vibration isolation effect and displacement control capacity of the spring vibration isolator, makes up for the horizontal vibration isolation defects caused by the insufficient lateral stability of the spring vibration isolator, increases the application scenarios of the spring vibration isolator, and does not excessively increase the implementation complexity, thereby facilitating application.

This invention discloses a multi-structure data-driven method and system for quantitative identification of wheel flats. It constructs a vehicle-track rigid-flexible coupling dynamic model, using synthetic flats as excitations for wheel out-of-roundness to obtain the dynamic response of the axle box under different working conditions. The vertical vibration acceleration of the axle box is processed in the time domain, frequency domain, and time-frequency domain to create sample sets with different structural forms. A multi-input convolutional neural network (MCNN) with appropriate structure and configuration parameters is constructed, using vehicle speed signals as network constraints. Sample sets of different structural forms and their combinations are fused with speed signals and input into the MCNN model for training. The accuracy and timeliness of the MCNN model for quantitative identification of wheel flats under different data structures are compared. Based on this invention, the optimal combination of sample input forms with the best recognition performance can be obtained. Furthermore, the resulting recognition model not only has good noise resistance but also exhibits better performance due to using speed as network constraint information, demonstrating overall superiority.

This utility model discloses a timekeeping device with a shock-absorbing structure, comprising: a left retainer on the left side and a right retainer on the right side; side damping plates are fixedly connected to the inner walls of both the left and right retainers; upper damping pads are fixedly connected to the top inner sides of both the left and right retainers; an upper clamping plate is fixedly connected to the lower surface of the upper damping pads; and movable grooves are provided on the bottom surfaces of both the left and right retainers. A bottom support plate is hinged inside the movable groove, and a lower damping pad is fixedly connected to the upper surface of the bottom support plate. The upper and lower damping pads cooperate with the upper and lower clamping plates respectively, abutting against the upper and lower surfaces of the timekeeping device. The elasticity of the pads buffers vertical vibrations, reducing the direct impact of vibrations on the device. The side damping plates on the inner walls of the left and right retainers are movably connected to the left and right sides of the device, absorbing lateral vibrations and limiting lateral displacement, further enhancing the shock-absorbing effect.

The application discloses a primary active ultra-low frequency vertical vibration isolation system, comprising a passive vibration isolation platform, a load, a vibration sensor, a driver and a control circuit, wherein the passive vibration isolation platform is internally provided with a horizontal limiting mechanism, the horizontal limiting mechanism is any mechanism capable of limiting three rotational degrees of freedom and two degrees of freedom of translation in a horizontal plane of an object, and only has a single degree of freedom of vertical translation. The system has the characteristics of low complexity and good long-term stability, the scheme for realizing horizontal limiting through mechanical design is simpler, and is helpful to improving the stability of the active vibration isolation system. Compared with the prior art, the application does not need more cost, and the efficiency is not obviously reduced.

The present invention relates to a device, use of device, and method of reducing vibrations in a structure. The method comprises a step of rotating a first element (11) in a first rotational plane (P1) and a second element (22) in a second rotational plane (P2) parallel to the first rotational plane (P1) around the rotational axis (2). The first element (11) has a first mass (M1) arranged with a distance (R1) from the rotary axis (2) in the first rotational plane (P1), and the second element (22) has a second mass (M2) arranged at a second distance (R2) from the rotary axis (2) in the second rotational plane (P2). The first and second element (11,22) are rotated in opposite directions around the rotational axis (2) with the centres of mass passing a line extending from the rotational axis (2) and outwards in a predetermined direction.

This invention discloses a system and method for monitoring the overall force on a mining truck based on intelligent bearings, belonging to the technical field of condition monitoring and safety control of mining transportation equipment. The method includes: installing intelligent bearings with integrated multi-source data sensors at the wheel hubs of each wheel to collect real-time data on triaxial forces, rotational speed, and vertical vibration in a reference coordinate system; identifying the current working condition based on the speed ratio, vertical vibration amplitude, and rotational speed status; calculating motion state parameters when the working condition is turning or the tires are straightening; calculating the longitudinal, lateral, and vertical forces of the entire vehicle when the working condition is turning; calculating the overall vehicle weight when the working condition is stationary or at a constant speed; and finally, judging abnormal states such as overload, uneven load, wheel lift-off, or tire blowout based on the overall vehicle force parameters and issuing warnings. This invention achieves direct, real-time monitoring of triaxial forces and multi-dimensional safety warnings during the movement of the mining truck, and has advantages such as high measurement accuracy, strong adaptability to all working conditions, and no need for additional sensors.

The application relates to a high-stability structure of a flexible photovoltaic support, and relates to the photovoltaic support field, which comprises a bearing cable, two auxiliary cables, a photovoltaic panel, a force guide plate and a force guide framework, the force guide framework comprises two connecting arms, the two ends of the connecting arms are respectively set as first end portions and second end portions, the first end portions of the two connecting arms are connected, the connecting positions between the two first end portions are connected with the bearing cable through a first connecting structure, the second end portions of the two connecting arms are respectively connected with the auxiliary cables through second connecting structures, the photovoltaic panel and the force guide plate are respectively fixed on the two connecting arms, the photovoltaic panel and the force guide plate are arranged in an inclined mode, the photovoltaic panel and the force guide plate are symmetrically arranged in an up-down mode, and the photovoltaic panel and the force guide plate are provided with an air inlet-outlet gap between the proximal ends. The application can reduce the vertical vibration of the auxiliary cables and the bearing cable, so that the stability of the overall structure is improved.

The utility model discloses a kind of material-receiving hopper devices for port operation, it is related to port equipment technical field, including material-receiving hopper, the dust fall subassembly of material-receiving hopper bottom end is equipped;The external wall lower end of the support column of the external corner position of material-receiving hopper is close to the front and back sides of material-receiving hopper and is equipped with first cross bar.The utility model can effectively resist horizontal, vertical vibration and impact by improving the deformation resistance of material-receiving hopper, also can disperse local stress to entire support frame, avoid stress concentration to cause the metal fatigue of material-receiving hopper, by starting hydraulic cylinder and pushing cross plate to move inside oil storage tank, make multistage telescopic sleeve from connection frame inside, can effectively reduce the height when material discharges, and then when material falls into vehicle, the entrainment effect of falling airflow to surrounding air can be significantly weakened, greatly reduce the range of dust diffusion.

This invention relates to the fields of aquaculture and cold chain logistics transportation technology, specifically a constant-temperature sealed box for transporting live aquatic products, comprising: a box body basic construction module: providing physical load-bearing capacity and fluid circulation environment; a real-time transportation condition sensing module: collecting box body acceleration and water temperature data; a fluid dynamics feature extraction module: calculating vertical vibration intensity and horizontal sway amplitude; a thermodynamic and dynamic decoupling calculation module: calculating the required rotational speed for heat exchange and the required rotational speed for wave suppression respectively; an adaptive execution and conflict arbitration module: comparing rotational speeds to switch between high-frequency wave suppression and low-power cruise modes; and a constant-temperature wave suppression collaborative control module: increasing pump speed to form a horizontal diffusion layer in high-frequency wave suppression mode and adjusting cooling power to maintain water temperature. This invention utilizes active fluid intervention to replace physical partitions, effectively avoiding mechanical damage to fish and extending power supply life.

To provide a vibration damping device that allows for fine adjustment of the fixing position of the leaf spring. [Solution] A vibration damping device for damping vertical vibrations of a building floor, comprising: a base plate; a weight member provided on the base plate so as to be displaceable in the vertical direction; a damping element that provides a damping force to the vertical vibration of the weight member; a leaf spring disposed in the gap between the base plate and the weight member and biasing the weight member upward; a fixing means for fixing the leaf spring to the base plate; and a positioning means for positioning the leaf spring relative to the base plate, wherein the fixing means can adjust the fixing position of the leaf spring steplessly within a predetermined adjustment range, and the positioning means can position the position of the leaf spring relative to the base plate in steps within the predetermined adjustment range.

The invention discloses a shock-absorbing mounting seat of a textile machine for spinning, and relates to the technical field of textile equipment. The textile machine comprises a base, a textile machine base is arranged at the top of the base, and a rack is mounted at the top of the textile machine base; a connecting mechanism is arranged at the top of the base and comprises a connecting shell installed at the bottom of the textile machine base and a buffering base installed at the bottom of the connecting shell. Through cooperation of the toothed plate, the gear, the transmission rod and the torsional spring, vertical vibration of the textile machine base is converted to achieve first-stage buffering, meanwhile, linkage of the rotating rod, the push rod, the movable shell and the buffering air bag is utilized, residual vibration in the horizontal direction is converted into air bag compression energy absorption, second-stage buffering is achieved, and the service life of the textile machine base is prolonged. And then the sealing plug rod pushes oil liquid to enter the buffer groove to compress the spring, hydraulic damping cushioning is formed, the three cushioning modes have a synergistic effect, the problem that the cushioning effect of a single spring is limited is effectively solved, and the operation stability of the textile machine is guaranteed.

This invention relates to the field of coupled dynamics analysis technology for rocket sled test systems. It proposes a method for calculating the track-vertical coupled dynamic response based on a variable-parameter contact force model. This method establishes a track motion model considering mass changes and a vertical vibration model based on beam elements. The irregularity characteristics of long-distance slide rails are characterized through frequency domain reconstruction and stochastic methods. Based on this, after obtaining the contact stiffness and energy recovery coefficient through reliable finite element numerical simulation, a variable-parameter contact force model is introduced to describe the sled-rail contact process. The track-vertical coupled dynamic equations are then constructed and numerically solved. This method enables accurate calculation of the dynamic response of the rocket sled throughout its entire operation, providing a reliable theoretical basis for determining slide rail length, designing multiple types of test trajectories, and designing sled structures. It effectively improves the calculation accuracy and engineering adaptability of the coupled dynamics model.

This utility model discloses an ultrasonic cleaner for easy separation of dirt, including a body and a stainless steel tank, a vibrating plate, and a circuit board disposed within the body. It also includes a basket placed inside the stainless steel tank, with an elastic component between the bottom of the basket and the bottom of the tank. An upwardly extending vertical rod is located inside the basket. The body includes an outer shell and a top cover, with a magnetic attraction component between them. The top cover has a first through hole, and the vertical rod extends beyond this hole. This ultrasonic cleaner, by placing a basket inside the stainless steel tank and using an elastic component between the basket and the bottom of the tank, enhances the vertical vibration of objects and simultaneously separates them from dirt, thus improving the cleaning effect.

This utility model relates to the technical field of sheet metal processing equipment, specifically a metal surface polishing machine, including a frame and a support assembly. The support assembly includes a lower crossbeam and an upper crossbeam. The left ends of both the lower and upper crossbeams are fixedly connected to the left side of the frame. A drive roller is rotatably connected to the lower crossbeam. Multiple vertically sliding support columns are inserted into the upper crossbeam. A U-shaped seat is fixedly connected to the top of each support column, and a driven roller is rotatably connected inside the U-shaped seat. The advantage is that the strong vibration generated by the driven roller during high-speed operation is transmitted laterally to the support columns, which are then supported by the upper crossbeam, thus overcoming the lateral vibration. Therefore, the piston rod end of the cylinder only needs to bear the weight of the driven roller and the vertical vibration force, preventing the piston rod end from bending and being damaged due to stress, thereby extending the cylinder's service life.

This invention relates to a tuned damper and a monorail for controlling vortex-induced vibration of a monorail main beam. The damper includes a damping box, a mass block assembly, a spring, a guide shaft, a guide assembly, and damping fluid. One end of the spring is connected to the bottom of the damping box cavity, and the other end is connected to the bottom of the mass block assembly. One end of the guide shaft is connected to the bottom of the damping box cavity, and the other end is connected to the top of the damping box cavity, passing through the mass block assembly. The guide assembly is fixedly connected to the mass block assembly and symmetrically arranged on both sides of the guide shaft. The damping fluid is disposed within the damping box cavity. The advantages of this invention are: 1. By limiting lateral displacement through the guide assembly, stability is increased; 2. Adjusting the base allows for adjustment of the gap between the roller and the guide shaft without affecting the vertical vibration of the mass block assembly, thus promoting stable and long-term operation of the device; 3. The mass block assembly optimizes the adjustment efficiency.

This invention relates to a leaf spring elastic support for a balance suspension, comprising an upper mounting base and a lower mounting base, which are longitudinally fitted together. A spring mounting position is provided circumferentially on the upper mounting base, with the spring portion mounted vertically within the mounting position. The upper mounting base is fixed to a pre-tightened frame via an intermediate connecting part to provide vertical vibration damping. The vertical mounting of the spring portion, combined with the special structures of the upper and lower mounting bases, such as conical mounting surfaces and cylindrical support structures, effectively resists horizontal forces and tensile forces, preventing performance degradation or failure of the support under complex stress environments. Simultaneously, this design enhances the structural strength of the support and extends its service life.