98results about How to "Improve the vibration isolation effect" patented technology

A six-degree-of-freedom adaptive active and passive composite space electromagnetic array damper belongs to the technical field of precise vibration isolation, and uses six sets of electromagnetic vibration isolation dampers which are connected with an upper plate and a substrate and are arranged in a Stewart mode to generate low-frequency high damping and high-frequency low damping characteristics in six degrees of freedom, so as to comprehensively and effectively isolate tiny vibration interference of different frequencies. Each set of electromagnetic vibration isolation damper adopts 4n (n is greater than or equal to 1, n belongs to N +) layers which are arranged in an array along the axial direction, vertical magnetized uniform-section magnetic rings between adjacent layers are used for constructing a high-damping excitation magnetic field, the change of external excitation frequency is responded in real time, the magnitude and direction of coil current are precisely regulated and controlled through a speed feedback control method, the damping force is dynamically adjusted to adapt to different working conditions, and the vibration isolation effect is good. And the optimal vibration isolation effect is ensured. Due to the adaptability and the stability of the self-adaptive active and passive composite space electromagnetic array damper, the self-adaptive active and passive composite space electromagnetic array damper still keeps high vibration isolation performance in a multi-degree-of-freedom and frequency-diversified vibration environment, and stable operation of precise instruments and equipment is guaranteed.

The invention belongs to the technical field of winding equipment, and particularly relates to a flexible vibration isolation winding machine and a winding method thereof.The flexible vibration isolation winding machine comprises a winding rack, a fixed disc is fixedly connected to the upper end of the winding rack, a rotating rod is rotationally connected to the fixed disc in a penetrating mode, and the rotating rod is sleeved with a winding roller; a first supporting rod is fixedly connected to the upper end of the winding rack, a first motor used for driving the rotating rod is fixedly connected to the side wall of the first supporting rod, a fixed wheel is arranged at the upper end of the winding rack, and the fixed wheel is sleeved with a take-up roller used in cooperation with the winding roller; and the buffering mechanism comprises a plurality of sliding grooves formed in the fixed disc in a circumferential array mode, and transmission plates are linearly and slidably connected into the sliding grooves. By arranging the buffering mechanism, the rigidity of the gas spring can be continuously reduced along with winding work, so that the vibration isolation performance of the gas spring is improved, and the vibration isolation performance is always matched with the vibration amplitude of the winding roller.

The invention belongs to the technical field of gravity measurement auxiliary equipment, and particularly discloses an atom gravimeter vibration isolation system and a control method thereof.The system comprises a horizontal keeping device, a vibration isolation platform, a support used for fixing an atom gravimeter, a plurality of vibration sensors, a vibration motor and a control unit; the bracket, the plurality of vibration sensors and the vibration motor are all arranged in a central position area on the vibration isolation platform; the plurality of vibration sensors and the vibration motor are connected with the control unit; the horizontal keeping device is used for keeping the vibration isolation platform in a horizontal state; the plurality of vibration sensors are used for collecting multiple paths of vibration signals generated when the vibration isolation platform is interfered by external vibration; the control unit is used for conducting signal fusion processing based on the received multiple vibration signals and controlling the vibration motor to output vibration force based on the obtained fusion signals so as to offset vibration of the vibration isolation platform. According to the invention, the data precision of the obtained vibration signal can be effectively improved, and the vibration isolation effect and performance of the active vibration isolation system are improved.

The utility model discloses an annular spring composite conical rubber two-stage variable-stiffness vibration double-control support which comprises a horizontal vibration isolation support body, a longitudinal vibration isolation support body and a transverse vibration isolation support body. The vertical vibration isolation support comprises a support upper connecting unit and a support lower connecting unit, the lower part of the support is connected with a unit; the double-stage variable-stiffness vertical vibration isolation unit comprises upper inner ring spring composite conical rubber, lower inner ring spring composite conical rubber and an outer ring spring, and the upper inner ring spring composite conical rubber and the lower inner ring spring composite conical rubber are partially embedded into the outer ring spring from the upper portion and the lower portion respectively. When the two-stage variable-stiffness vertical vibration isolation unit is subjected to first-stage vertical loading, the vibration isolation unit has first-stage vertical stiffness, when the two-stage variable-stiffness vertical vibration isolation unit is subjected to second-stage vertical loading, the vibration isolation unit has second-stage vertical stiffness, and the first-stage vertical stiffness is smaller than the second-stage vertical stiffness. According to the double-order variable-stiffness vertical vibration isolation device, the vertical vibration effect and the horizontal earthquake effect can be isolated at the same time, meanwhile, double-order variable-stiffness vertical vibration control is achieved by means of the combined vibration isolation units of the annular springs and the conical rubber, and the vibration isolation effect is remarkably improved.

The invention provides a line spectrum damping device and method based on dynamic anti-resonance, the line spectrum damping device comprises a main mass block, a positive stiffness spring, a base, an inertial element and a self-adjusting element, the upper end and the lower end of the positive stiffness spring are fixed between the main mass block and the base respectively, and the inertial element comprises a lever and an inertial mass block; the lever is movably clamped and positioned through a flexible hinge mechanism fixed on the main mass block and the base, the inertia mass block is fixed at one end of the lever and is connected with the base through a negative stiffness mechanism, the self-adjusting element is fixed on the base, and two fulcrums are arranged at the top end of the self-adjusting element and are respectively contacted with the lever; the lever ratio of the damping device can be adjusted in real time according to the excitation frequency, automatic adjustment of the vibration isolation frequency is achieved, the vibration isolation effect is enhanced, and meanwhile the weight is reduced.

The invention relates to the technical field of hard rock stratum blasting construction, and discloses a hard rock stratum excavation device based on blasting vibration safety control and a using method of the hard rock stratum excavation device. The technical problems that in the prior art, harmful effects exist in underground engineering drilling and blasting method construction, and control is difficult are solved. The system comprises a blasting structure arranged in a hard rock stratum section and a monitoring module arranged on the earth surface, the blasting structure comprises blast holes and vibration reduction holes, the blast holes comprise slotting holes, auxiliary holes and peripheral holes, eccentric non-coupling vibration isolation charging structures are arranged in the slotting holes and the auxiliary holes, and the vibration reduction holes are arranged in the peripheral holes. Comprising a radial non-coupling charging structure and an axial non-coupling charging structure, an energy gathering cover interval charging structure is arranged in a peripheral hole, a vibration reduction hole is formed between a blast hole in a tunnel and a protection object, and the monitoring module comprises measuring points and vibration meters which are arranged in excavated and non-excavated areas on the two sides of a tunnel face. According to the method, the technical level of hard rock stratum blasting excavation construction is improved, and metro hard rock stratum blasting fine design, meticulous construction and control over harmful effects are achieved.

The invention relates to a self-adaptive vibration reduction support for a vision measurement system. The vibration reduction support comprises a lower base and an upper supporting plate and is used for placing vision measurement equipment and a filtering device. A loading shock isolation assembly is arranged in the middle of the vibration reduction support, and the three-direction vibration isolation design is achieved through the synergistic effect of the evenly-distributed vertical main spiral springs and the quasi-zero stiffness shock isolation device. According to the shock isolation device, a horizontal rigid supporting base forms transverse constraint on a bistable beam, fastening connection is achieved through screw rod design, and the quasi-zero stiffness characteristic is jointly formed through the horizontal rigid supporting base and a lower auxiliary spiral spring. A special bistable beam elastic structure is designed, so that a bearing effect is provided for upper equipment, and a constant three-way vibration isolation effect can be kept under different frequencies. And the upper digital filtering device is used for further processing high-frequency noise and ensuring the measurement precision and stability of the vision measurement system. According to the self-adaptive vibration reduction support, digital filtering and physical vibration isolation are fused, and a complete set of method for improving the vision measurement precision is achieved.

The present invention relates to a movable verticality detection device for engineering quality inspection applied to the technical field of measuring devices. The device adopts a spherical shell sealing structure, the interior of which is filled with liquid and evacuated to improve vibration isolation performance. The device is provided with a horizontal shell and a vertical shell supported by buoyancy, and resists external disturbances through a high-speed rotating turntable to provide a stable reference direction. Laser reflection lenses and prisms are used to project a laser beam onto the surface of an object to be measured, and the verticality is judged by comparing the light band deviation. The device adopts a conductive coil to transmit power and signals, and a laser angle detection component corrects errors in real time. The permanent magnet adsorption method is easy to install, and the controller realizes automatic operation and data processing, thereby improving detection efficiency and accuracy. The present invention integrates laser and electronic technologies, realizes automatic and intelligent detection, improves detection accuracy and efficiency, is suitable for engineering construction, precision instrument calibration and other fields, and has broad application prospects.

The invention discloses a multi-arc-shaped vibration reduction and isolation structure and a construction method thereof, and relates to the technical field of building vibration isolation, the multi-arc-shaped vibration reduction and isolation structure comprises a groove, the groove is arranged between a vibration source and a building, and a plurality of steel plates, a prefabricated reinforced concrete plate, a prefabricated elastic material plate and a cast-in-place concrete plate are horizontally and sequentially arranged in the groove; the steel plates are horizontally arranged on the side wall, close to the vibration source, of the groove, and each steel plate is arc-shaped; one end of each anchor rod assembly penetrates through the prefabricated reinforced concrete plate and the prefabricated elastic material plate, and the other end of each anchor rod assembly is embedded into the cast-in-place concrete plate. Vibration waves are blocked through the circular-arc-shaped steel plates, multi-angle reflection and refraction are generated when the vibration waves make contact with the steel plates, the vibration isolation effect is provided, the rigid materials and the elastic materials are alternately arranged in the grooves, the vibration isolation effect is further improved, the defects of vibration isolation empty grooves and vibration isolation groove filling are overcome, the structure is stable, and the vibration isolation effect is good. And the vibration isolation effect is better than that of filling a vibration isolation trench.

The invention relates to the technical field of seismic mitigation and isolation, and discloses a building high-damping magneto-rheological seismic isolation device which comprises a bottom plate, a vertical seat, a main plate and a reset column, through grooves are formed in the two sides of the upper surface of the bottom plate, and two sleeve blocks are slidably clamped in the through grooves. According to the high-damping magneto-rheological shock insulation device for the building, the rigidity and damping of the shock insulation support are controlled by changing the size of a magnetic field, the resonance phenomenon is effectively avoided, meanwhile, when a sliding block moves downwards, a third gear is driven to rotate, meanwhile, the third gear can drive a second gear to rotate, and therefore the shock insulation effect is improved. When a sliding block moves, a rack can carry a sleeve block to synchronously move, a reset spring is driven to stretch, the pulling force of the reset spring is applied to the sleeve block, the rack is driven to move, and a multi-buffering and damping mechanism and multi-stage buffering and damping are achieved. And the vibration can be counteracted through the reset spring and the first magneto-rheological damper, so that different types of vibration are adapted, and the vibration isolation effect is achieved.

The invention relates to the field of assembly type subway station structure engineering. The buffering and vibration isolation device comprises two bottom plates and two frames, the number of the bottom plates is two, the number of the frames is two, and the frames are arranged at the top ends of the bottom plates; the transverse rods are installed at the top ends of the two bottom plates correspondingly and located on the inner sides of the two frames, and a plurality of rectangular through grooves are formed in the transverse rods; the plurality of longitudinal rods respectively penetrate through the plurality of rectangular through grooves; according to the transverse vibration isolation mechanism, when the cross beam is subjected to transverse force, a baffle moves in a shell, a fourth spring is attached to a cylinder to stabilize deformation buffering, a first elastic piece and a second elastic piece are matched through an inclined face or a protrusion, transmission force is evenly distributed, cooperative buffering is achieved, and impact vibration generated when the beam column connection is subjected to longitudinal and transverse force is effectively reduced; the service life of the device is prolonged; and the safe and stable operation of the structure is maintained.

The utility model provides a foundation pit double-row pile supporting and shock insulation ditch system, which relates to the technical field of foundation pit construction and comprises a row of outer-row cast-in-place piles, a row of inner-row cast-in-place piles are arranged on the inner sides of the row of outer-row cast-in-place piles, and water stop piles are arranged between the adjacent outer-row cast-in-place piles. A shock insulation groove is formed between the inner row of cast-in-place piles and the outer row of cast-in-place piles and filled with shock insulation materials, coping crown beams are arranged at the tops of the inner row of cast-in-place piles and the tops of the outer row of cast-in-place piles, drainage ditches are formed in the inner side portions of the coping crown beams, and prefabricated cover plates are arranged at the tops of the two coping crown beams. And a plurality of temporary inner supports are arranged between the two coping crown beams. According to the utility model, the problems of large requirement on a seismic isolation construction working surface and relatively high construction investment can be solved.

The invention belongs to the technical field of gravity measurement, and particularly discloses a control method and device for a vibration isolation system of a marine atom gravimeter. According to the application, the data fusion technology is utilized to perform signal fusion processing on the obtained vibration signals generated when the vibration isolation platform in the marine atom gravimeter vibration isolation system is interfered by external vibration, the first signal containing rich vibration information is obtained, and the first signal acts on the actuator in the marine atom gravimeter vibration isolation system. The actuator is controlled to generate more accurate vibration force to offset vibration generated at the vibration isolation platform, the vibration isolation effect and performance of the vibration isolation system of the marine atom gravimeter can be effectively improved, interference of external vibration on the marine atom gravimeter is reduced, and a better measurement environment is provided for the marine atom gravimeter.

The utility model discloses a suspension anti-vibration pad and a vehicle with the suspension anti-vibration pad, the suspension anti-vibration vehicle comprises an outer framework, the outer framework is suitable for being installed on a vehicle frame, and a containing hole is formed in the center of the outer framework; the vibration reduction soft cushion partially extends into the accommodating hole; and the inner framework is connected to the upper portion of the damping cushion and located on the side, facing a power assembly, of the outer framework, and the upper portion of the inner framework is suitable for installing a power assembly suspension support. The suspension anti-vibration pad has the advantages that the vibration isolation performance is improved, and the light weight degree is high.

The present invention proposes an optimal controller design method for an ultra-low frequency vibration isolation system, the method comprising the following steps: establishing a dynamic model of the ultra-low frequency vibration isolation system in the present invention, deriving the state space equation of the ultra-low frequency vibration isolation system; allocating weight matrices Q and R according to the objective function of the optimal quadratic algorithm and the control target of the vibration isolation system; deriving the control force model of the optimal controller according to the weight matrix Q and R and in combination with the state space equation of the vibration isolation system, substituting the control force into the control loop to obtain a complete optimal controller and obtaining a better control effect by optimizing the weight allocation of the Q and R matrices. Thus, the active control performance of the ultra-low frequency vibration isolation system is improved. The method is low-cost, simple and easy to use, and effectively improves the vibration isolation performance of the ultra-low frequency vibration isolation system.

The invention discloses a transmission tower modular foundation with multi-dimensional energy dissipation function and an energy dissipation method thereof, which relates to the technical field of transmission line foundation, including: a base plate, a step module and a column; the step module includes a vibration reduction module, and the vibration reduction module includes an energy dissipation top layer, an energy dissipation middle layer and an energy dissipation lower layer; in the energy dissipation top layer, the vibration of the elastic rope is stimulated by the collision of the ball and the rotation of the turntable, and the reciprocating motion of the elastic rope is driven by the elastic rope retracting device to dissipate energy; in the energy dissipation middle layer, the vibration of the elastic rope drives the annular rack to move linearly, thereby driving the rotation of the blade through the spiral pair and cutting the viscous damping liquid to dissipate energy; in the energy dissipation lower layer, the sliding of the slider drives the movement of the mass block in the shear thickening liquid and drives the vibration of the elastic rope to dissipate energy. While ensuring that the transmission tower foundation is easy to transport and install, the earthquake resistance and wind vibration resistance of the transmission tower foundation are improved, the transmission tower line is assisted to dissipate wind vibration energy, and the damage to the transmission tower caused by vibration is reduced.

The utility model relates to a vehicle-mounted ceiling screen support assembly formed by punching a galvanized steel sheet, which comprises a fixed support, an overturning component, a supporting component and a spring bolt component, the fixed support is made of the galvanized steel sheet formed by punching, a reinforcing structure is formed on the surface of the fixed support, and a screw hole is formed on the surface of the fixed support; the overturning assembly and the supporting assembly are symmetrically arranged on the two opposite sides of the screen. A side opening clamping structure is arranged on a shell of the overturning assembly and a shell of the supporting assembly, a vibration isolation sleeve is embedded in the clamping structure, a center through hole is formed in the vibration isolation sleeve, the vibration isolation sleeve is fixed to the screw hole through a step screw, and the outer diameter of the step face of the step screw is in interference fit with the inner diameter of the center through hole of the vibration isolation sleeve. According to the vehicle-mounted ceiling screen support assembly formed by stamping the galvanized steel sheet, the galvanized steel sheet formed by stamping is adopted as a core structure, all the components are optimally designed, and the effects that cost is reduced, structural strength is improved, vibration isolation and assembly are simplified, and installation adaptability is enhanced are achieved.

The invention relates to the technical field of auxiliary frames, and discloses an auxiliary frame assembly and a vehicle, the auxiliary frame assembly comprises two cross beam bodies and at least two shock absorber mounting supports, the at least two cross beam bodies are arranged in a spaced mode in the first direction, each cross beam body is used for being connected with a frame, and the shock absorber mounting supports are arranged in the second direction. The two shock absorber installation supports are arranged in a spaced mode, each shock absorber installation support is fixedly connected between the two cross beam bodies, each shock absorber installation support is provided with an installation protrusion used for installing a shock absorber, and the first direction is perpendicular to the second direction. Therefore, integration of shock absorber installation functions is achieved on the auxiliary frame assembly, the auxiliary frame assembly is more compact, meanwhile, the anti-deformation capacity of the shock absorber installation support can be improved by arranging the installation protrusions on the shock absorber installation support, the strength and rigidity of the auxiliary frame assembly can be improved, and the service life of the auxiliary frame assembly is prolonged. Therefore, the vibration isolation performance and the NVH performance of the auxiliary frame assembly are improved.

This application discloses a method for calculating the vibration isolation of ship vibration isolation devices based on isolator type spectrum data, relating to the field of ship vibration isolation design. The method includes: acquiring the type spectrum data and impedance test data of the target isolator; determining the stiffness and damping parameters of the target isolator based on the type spectrum data and impedance test data; constructing a finite element model of the ship vibration isolation device; inputting the stiffness and damping parameters of the target isolator into the finite element model for calculation, and obtaining the vibration isolation calculation results of the target isolator. This method can efficiently utilize isolator type spectrum data to conduct vibration isolation calculation and evaluation of ship vibration isolation devices during the ship design phase, avoiding resonance between the natural frequency of the vibration isolation device and the excitation frequency of the equipment, and improving the vibration isolation effect.

The invention relates to the technical field of water purification, and discloses a noise reduction method for water purification equipment and the water purification equipment, the air pressure in an air chamber can be automatically adjusted according to the working state of a booster pump, so that the inflation rigidity of an air bag body can be accurately adjusted according to the vibration characteristics of the booster pump in different working states, and the air bag body can absorb and disperse vibration energy more effectively; and vibration transmission and noise generation are reduced, it is ensured that the air bag body can always keep good vibration isolation performance under vibration of different frequencies, wide-frequency precise vibration isolation is achieved, the air bag body adapts to the complex vibration environment, the noise reduction effect is remarkably improved, and the user experience is improved.

The utility model discloses a rail vehicle vibration isolation supporting device and relates to the technical field of rail vibration isolation supporting, the rail vehicle vibration isolation supporting device comprises an upper supporting plate and a lower supporting plate, mounting plates are fixedly mounted on the outer walls of the sides, close to each other, of the upper supporting plate and the lower supporting plate correspondingly, and mounting grooves are formed in the two mounting plates correspondingly; supporting mechanisms used for installing the vehicle vibration isolation supporting device are arranged in the two installing grooves correspondingly, and each supporting mechanism comprises a bottom plate installed in the corresponding installing groove in a sliding mode. Under the matching action of the composite spring and the like, the composite spring has the characteristics of high damping, high strength and high fatigue resistance through a high-molecular polymer and a nano reinforcing material, so that the composite spring can still keep stable vibration isolation performance under high-frequency vibration, the vibration isolation effect of the vibration isolation device under the high-frequency vibration is improved, the service life of the vibration isolation device under the high-frequency vibration is prolonged, and meanwhile, the service life of the vibration isolation device is prolonged. The device is compact in structure, convenient to install and capable of being widely applied to various railway vehicles.

The utility model discloses a battery assembly vibration isolation structure, which is characterized in that a battery assembly receiving body is arranged between a connecting part at the lower end of a handheld electric tool shell and a power supply device, a middle connecting body is arranged between the battery assembly receiving body and the connecting part, and the middle connecting body is fixedly connected with the connecting part; the middle connecting body is flexibly connected with the battery assembly receiving body through the isolation buffering body and the bolt, and during vibration, the battery assembly receiving body and the connecting part move relatively, so that the battery assembly receiving body and the bolt on the battery assembly receiving body move relatively to the middle connecting body, and the isolation buffering body is extruded in the relative movement direction; the isolation buffer body is pressed to generate elastic deformation to absorb impact caused by vibration, so that the effects of buffering and isolating vibration are achieved; the isolation buffering body with the I-shaped section can play a buffering role in all directions, the problem that an existing battery assembly is poor in buffering and vibration isolation effect can be effectively solved, the vibration isolation effect can be improved, the stability of the handheld electric tool is enhanced, and the service life of the handheld electric tool is prolonged.

The invention discloses a hysteresis flexible sound insulation board and a manufacturing method, which belongs to the field of industrial sound insulation and vibration isolation. A hysteresis flexible sound insulation board manufacturing method comprises the following steps: stirring flexible particles, ferromagnetic particles and glue for 15 to 20 minutes to form a mixture, then moving the mixture into a mold, slowly applying pressure to the mixture for molding, and applying a magnetic field to the mixture while applying pressure, so that the ferromagnetic particles adjust their directions due to the magnetic field, stopping pressurization and applying the magnetic field after the mixture is formed, taking out the formed mixture, applying the magnetic field again after cooling, and applying the magnetic field to the mixture again, wherein the applied magnetic field strength is the same as the magnetic field strength applied during the molding process, and stopping applying the magnetic field after 25 to 35 minutes to form a hysteresis flexible sound insulation board. The hysteresis flexible sound insulation board and the manufacturing method of the invention improve the strength, rigidity and damping effect of the hysteresis flexible sound insulation board, and improve the sound insulation and vibration isolation effects of the hysteresis flexible sound insulation board.

The invention relates to a compressor vibration isolation device and a refrigerator thereof. The compressor vibration isolation device comprises a vibration isolation pad and a mounting piece. The vibration isolation pad comprises a first vibration isolation piece, a second vibration isolation piece and a third vibration isolation piece which are connected in sequence. The outer diameter of the first vibration isolation piece and the outer diameter of the third vibration isolation piece are larger than the outer diameter of the second vibration isolation piece. Through assembly cavities are formed in the first vibration isolation piece, the second vibration isolation piece and the third vibration isolation piece. The mounting part is inserted into the assembly cavity and comprises a screw, a sleeve and a gasket which are integrally formed. And the vibration isolation cavity is arranged around the mounting piece. By arranging the vibration isolation cavity, the overall elasticity of the vibration isolation pad can be improved, and then the cavity structure in the vibration isolation cavity can absorb vibration energy from the compressor to a greater extent, so that the vibration isolation efficiency of the vibration isolation device of the compressor is better improved. Furthermore, the mounting part is integrally formed, so that the assembly is simpler, the operation is easy, and the cost is lower.

The invention discloses an inerter damping device capable of switching between series connection and parallel connection. Comprising an upper lifting lug, an outer cylinder arranged below the upper lifting lug, a spiral pipe arranged on the outer cylinder, an inerter piston arranged in the outer cylinder, an inner cylinder arranged in the outer cylinder and connected with the inerter piston, a damping piston arranged in the inner cylinder, a piston rod arranged on the damping piston and a lower lifting lug arranged below the piston rod. An upper lifting lug is fixedly connected with the outer cylinder, a spiral pipe is communicated with the interior of the outer cylinder, an inerter piston is fixedly connected with the inner cylinder, a hole is formed in the upper end of the inner cylinder, a slender damping hole is formed in a damping piston, and the damping piston is fixedly connected with a piston rod. The stator winding is coaxially and tightly attached to the rotor magnet, and the piston rod is fixedly connected with the lower lifting lug. The device has the beneficial effects that the inertial damping can be switched between a series structure and a parallel structure, so that the vibration isolation performance of the device is improved; and meanwhile, the device has the characteristics of simple structure and small size.

The utility model relates to the field of truck motor system vibration reduction, in particular to a truck motor suspension assembly which comprises an installation seat, a vulcanization body located in the installation seat and a limiting plate connected to the installation seat and the vulcanization body. Accommodating grooves are formed in the mounting seat, the outer side ends of the rubber bodies are accommodated in the accommodating grooves, limiting tables are arranged between the adjacent accommodating grooves in the mounting seat, deformation gaps exist between the limiting tables and the rubber bodies in a normal state, press-fitting plates located in the accommodating grooves are arranged in the rubber bodies, and inner convex parts and inner concave parts are arranged on the press-fitting plates and the mandrel in the Y direction correspondingly; the inner convex part and the inner concave part are matched to bear force, a fastener is arranged at the corner of the limiting plate, the limiting plate is connected with the mounting seat and the frame through the fastener, and the limiting plate is tightly pressed at the outer end of the press-fitting plate. According to the scheme, the motor suspension assembly is large in rigidity in the Y direction, large in rigidity in other directions and good in limiting capacity, the vibration isolation and reduction performance can be improved, the manufacturing cost is reduced, and the fatigue life is prolonged.

This invention discloses a hydraulic motor mount device for electric vehicles, relating to the field of hydraulic mount technology. It aims to solve the technical problem that traditional hydraulic mounts cannot adaptively match the complex vibration conditions of electric vehicles. The device includes a mount housing, a vibration isolation assembly, a damping assembly, a base diaphragm, and a vertical shaft assembly. The damping assembly includes an outer ring fixed to the middle of the mount housing. A ring body is movably disposed within the outer ring. A threaded half-groove A is formed on the inner surface of the outer ring, and a threaded half-groove B is formed on the outer surface of the ring body. Threaded half-groove A and threaded half-groove B form a damping flow channel. This invention, by designing a structure comprising a relatively movable outer ring and a ring body, with mating threaded half-groove A and threaded half-groove B on their opposing surfaces to form a damping flow channel, allows the geometry of the damping flow channel to adaptively change simply by moving the ring body along the threaded path. This solves the technical problem that traditional hydraulic mounts, due to their fixed damping channels, cannot adaptively optimize broadband vibration isolation performance.

The vibration isolation frame comprises a frame body, a first vibration isolation module and a balancing weight, the top of the frame body is used for being connected with a screening machine, the first vibration isolation module is arranged at the bottom of the frame body, the first vibration isolation module is used for being installed on an installation base body, the balancing weight is arranged on the frame body and provided with a material collecting cavity, and the material collecting cavity is communicated with the first vibration isolation module. The material collecting cavity is used for collecting materials screened by the screening machine. By means of the structure, the balancing weight is provided with the material collecting cavity used for collecting materials screened by the screening machine, so that the balancing weight has the balance weight vibration reduction function and the material collecting function, in other words, the vibration isolation frame can improve the vibration isolation effect through the balancing weight, and the materials screened by the screening machine can be collected through the balancing weight.

This application relates to the field of vehicle chassis and provides a suspension structure and a vehicle. The suspension structure of this application includes an outer tube, an inner core disposed within the outer tube, and an elastic body disposed between the outer tube and the inner core. The elastic body has a first portion wrapped around the inner core and a second portion connected to the first portion. The second portion is disposed at the end of the inner core connected to the powertrain bracket, and when the inner core is connected to the powertrain bracket, the second portion can abut against the powertrain bracket. The suspension structure of this application can increase the friction between the elastic body and the powertrain bracket, and also increase the friction between the powertrain bracket and the inner core during the connection process, preventing the inner core from shifting. This effectively avoids torsional deformation of the elastic body, thereby improving the reliability of the elastic body and the overall suspension structure.

The invention relates to an integrated control box mounting bracket which comprises a bracket body, a cross beam and a vertical beam, the bracket body, the cross beam and the vertical beam form a main body structure of the mounting bracket, and the integrated control box mounting bracket is used for carrying out integrated arrangement and mounting on complex and diversified local control boxes under the condition of a limited cabin space. According to the integrated control box mounting bracket disclosed by the invention, complex and diversified local control boxes are integrally arranged and mounted under the condition of limited cabin space, and the mounting positions of the control boxes are flush with the average height of a user, so that the user can conveniently and effectively operate the control boxes; by combining the arrangement of the diesel generating set or the cabin pipeline and utilizing the height difference between the pipeline and the control box for layout, the integrated installation of the control box is completed under the condition of not increasing the space, the cabin layout space is effectively saved, and the operation and use convenience of a user is improved.