1984 results about "Vibration isolation" patented technology

The invention discloses a tunnel deep-buried drainage ditch rapid blasting excavation method based on vertical drilling, which comprises the following steps: step 1, detecting the geology in front of a tunnel by using vertical drilling coring, geological radar and TSP seismic wave technology, and constructing a three-dimensional model; 2, generating an asymmetric hole net layout based on a geological model and AI, and setting a drilling-free vibration isolation belt; the design of dense inside and sparse outside is adopted, and vibration propagation is blocked; thirdly, a three-stage air spacer is arranged at the bottom of the blast hole, segmented charging is implemented, the explosive energy release time is prolonged, and the single-segment explosive quantity peak value is reduced; fourthly, an electronic detonator is adopted for millisecond detonation, and peak vibration is weakened through the waveform superposition offset effect; 5, arranging fiber grating sensors in the tunnel, collecting data in real time and transmitting the data to the cloud AI platform; dynamically adjusting parameters based on the monitoring data; and 6, evaluating a blasting effect through a three-dimensional laser scanner, generating an evaluation report in combination with data, updating a BIM model database, and continuously optimizing an AI algorithm.

The invention discloses an ultrasonic transducer characteristic parameter test system, which belongs to the technical field of ultrasonic detection and comprises an excitation signal generation module, an impedance matching adjustment module, a resonance characteristic extraction module, a signal acquisition and processing module, a temperature control loading module, a physical vibration isolation module and a frequency spectrum calibration module. The excitation signal generation module is combined with an off-chip frequency locking feedback loop through an on-chip oscillator to generate a multi-frequency-point sweep frequency pulse array, the multi-frequency-point sweep frequency pulse array is connected to the resonance characteristic extraction module after passing through the impedance matching adjustment module, the multi-frequency-point sweep frequency pulse array and the frequency spectrum calibration module construct a bidirectional feedback path and share harmonic node synchronous calibration logic, and coupling offset compensation is achieved; the frequency spectrum calibration module performs bidirectional real-time error correction on the excitation output frequency and the resonance input phase; and the transducer is arranged in the thermal convection temperature equalizing cabin of the temperature control loading module and is overlapped with the physical vibration isolation module. The method has the advantages that high-precision, low-interference and full-frequency-domain dynamic testing of characteristic parameters of the ultrasonic transducer is achieved, and testing stability is improved.

The invention discloses a gravimeter active vibration isolation control method, and belongs to the technical field of gravimeter active vibration isolation, and the control method comprises the steps: S1, presetting a three-axis acceleration sensor and a gravimeter bearing platform, and detecting a space vibration signal of the gravimeter bearing platform in real time through the three-axis acceleration sensor; s2, the signal processing unit performs frequency domain decomposition on the space vibration signal; s3, establishing a feedforward control unit, a feedback control unit and a synthesis unit; s4, a multi-degree-of-freedom actuator is preset, and reverse compensation force is applied in the X-axis direction, the Y-axis direction and the Z-axis direction through the multi-degree-of-freedom actuator according to the composite control signal; and S5, the preset state monitoring unit samples the vibration suppression rates in three continuous sampling periods. The high and low frequency vibration components are dynamically divided according to the frequency-band energy accumulation proportion, the vibration interference model is established in combination with the high and low frequency vibration components, and compensation failure caused by model mismatch under complex working conditions is avoided.

The invention relates to the technical field of vibration control, and discloses a quasi-zero stiffness vibration isolator imitating an insect jumping foot structure, which comprises a base and a bearing table between which a vertical spring is arranged, the two sets of connecting rod mechanisms are arranged between the base and the bearing table, each set of connecting rod mechanism comprises two lower connecting rods, two upper connecting rods and two middle connecting rods, the two lower connecting rods are hinged to the top face of the base, the two upper connecting rods are hinged to the bottom face of the bearing table, and the two middle connecting rods are distributed in an X shape; two ends of the two middle connecting rods are respectively hinged with the lower connecting rod and the upper connecting rod; the transverse springs are arranged at the hinged positions of the two lower connecting rods and the two middle connecting rods and the hinged positions of the two upper connecting rods and the two middle connecting rods correspondingly. The vibration isolator is simple in structure, small in transverse size, convenient to assemble and disassemble and easy to adjust, quasi-zero-stiffness vibration isolation is achieved through the special mechanical property of the overall structure, vibration energy can be efficiently absorbed, and the vibration isolator has wide application prospects in the field of low-frequency vibration control.

The invention discloses a damping shell easy to assemble and a kitchen waste processor using the damping shell. The damping shell comprises a shell body, an upper end cover is fixedly connected to the upper portion of the shell body, a plurality of supporting cushion blocks are fixedly connected to the upper portion of the bottom end of the shell body, and a plurality of fixing rod pieces are fixedly connected to the periphery of the upper end cover downwards; the top surface of the vibration isolation base is upwards and fixedly connected with hoisting rod pieces corresponding to the fixed rod pieces, and the hoisting rod pieces are respectively fastened and mounted on the corresponding fixed rod pieces through corresponding locking assemblies, so that the vibration isolation base is positioned on the upper side of the supporting cushion block to form suspension mounting; the vibration isolation supporting assembly comprises a rotating plate rotationally installed on the bottom side of the vibration isolation base, the periphery of the rotating plate extends outwards to be provided with supporting parts, and the bottom sides of the supporting parts are fixedly connected to the upper sides of the corresponding supporting cushion blocks in an abutting mode; provided is a vibration reduction and energy absorption device. The vibration reduction effect can be effectively and obviously improved, and the machine core of the kitchen garbage processor can be conveniently installed.

The invention discloses intelligent detection equipment for internal defects of a titanium alloy cartridge receiver, and relates to the technical field of nondestructive testing, the intelligent detection equipment comprises a supporting base, a self-adaptive electromagnetic active vibration isolation assembly and a magnetic suspension pneumatic fine adjustment assembly, and by means of the synergistic effect of two core assemblies, namely the self-adaptive electromagnetic active vibration isolation assembly and the magnetic suspension pneumatic fine adjustment assembly, the internal defects of the titanium alloy cartridge receiver are detected. Ultra-stable vibration isolation and nanoscale precise positioning of the industrial CT three-coordinate measuring machine in the precise scanning process are achieved, and different from a traditional lag and friction scheme depending on passive air floating vibration isolation and mechanical transmission positioning, high-precision scanning operation is more stable and more precise, and the precision of the industrial CT three-coordinate measuring machine is improved. Firstly, a magnetic suspension friction-free support of the magnetic suspension pneumatic fine adjustment assembly is matched with a pneumatic nozzle matrix in a zero-contact and zero-abrasion mode, the bottleneck that a traditional lead screw guide rail mechanism is large in positioning error due to friction stick-slip and idle stroke is broken through, stable support is achieved through non-contact suspension, and accurate micro-power output is achieved through pneumatic counter-acting force; and the full-scale range from macroscopic positioning to nanoscale fine adjustment is ensured.

The invention provides an adjustable damping capsule vibration isolation system based on electrorheological fluid, and belongs to the field of vibration isolation devices.The adjustable damping capsule vibration isolation system comprises a vibration isolation capsule, the vibration isolation capsule is filled with the electrorheological fluid, and the electrorheological fluid comprises solid particles; a pneumatic pump; a conduit; at least part of solid particles in the electrorheological fluid move to the guide pipe under the action of gravity; the pneumatic pump is configured to pump gas into the guide pipe based on the target gas flow so as to convey a target number of solid particles in the guide pipe into the vibration isolation bag body to change the concentration of the solid particles in the electrorheological fluid, and the electrorheological fluid is configured to perform vibration isolation treatment on elastic waves of the vibration source by using an electrorheological effect based on the concentration of the solid particles.

The invention belongs to the technical field of active suspension control, and particularly relates to an active suspension control method and system based on Skhook-ADRC-FFORC. According to the method, key parameters are obtained by establishing a 1 / 4 vehicle suspension dynamical model, a state space model is constructed, active disturbance suppression control is introduced on the basis, and the stability of the vehicle suspension is improved. Real-time estimation and compensation of vehicle body displacement and total disturbance of a system are realized, fractional order sliding mode control is combined, a fractional order sliding mode surface is constructed by using a Caputo operator, high robustness and smoothness are considered, the buffeting problem of a traditional sliding mode is suppressed, and finally, the high-frequency vibration isolation advantage of Skyhook control and the anti-interference capability of ADRC-FFORC are subjected to weighted fusion. The problems that in the prior art, model simplification and control distortion are caused, and a single strategy cannot give consideration to multi-target performance are solved, and by fusing ADRC, FOSMC and Skyhook control and realizing adaptive weighted switching, the robustness, smoothness and real-time performance of the active suspension under complex working conditions are effectively improved, so that collaborative optimization of vehicle comfort and safety is realized.

The invention relates to a four-body coupling vehicle base vibration noise prediction optimization method and system, and relates to the technical field of rail transit operation and maintenance optimization, and the method comprises the steps: obtaining a vehicle base multi-physics field correlation monitoring data set; carrying out system level assembly in a multi-physics field co-simulation environment to generate a coupled system state parameter matrix; generating sound ray bending trajectory data; loading the vehicle operation condition time sequence data to a wave equation solver, and outputting vibration noise propagation characteristic field distribution data; building a network topology structure to form a prediction model, and executing a back propagation algorithm to train network parameters to a convergence state; designing a vehicle scheduling scheme chromosome coding structure to generate a candidate solution population; and performing selection, crossover and variation genetic operations on the primary solution set, and outputting a vehicle base operation and maintenance scheduling real-time optimization scheme. The method has the beneficial effects that the precision and generalization ability of vibration noise prediction in the future time period are greatly improved, and the fundamental transformation from passive vibration isolation treatment to active prediction optimization is realized.

The utility model relates to the technical field of water purification, and discloses a booster pump assembly which is used for pressurizing fluid in a water purifier and comprises a booster pump and an air bag body, an air chamber for storing air is arranged in the air bag body; the air bag body is positioned inside the water purifier, and a mounting groove is formed outside the air bag body; the booster pump is installed and positioned in the installation groove, the air bag body suspends and supports the booster pump, and mechanical vibration transmitted to the outside when the booster pump works is blocked and restrained for noise reduction. The air bag body is selected as a supporting structure to suspend and position the booster pump, the air bag body is filled with air, the air can play an extra buffering role, the vibration isolation effect is enhanced, vibration energy generated when the booster pump works is more effectively absorbed and dispersed, mechanical vibration transmitted to the outside by the booster pump is effectively restrained and reduced, and the service life of the booster pump is prolonged. The noise generated when the water purifier works is reduced, so that the user experience is deeply improved.

The invention relates to a replaceable sliding anti-seismic device of a steel spring vibration isolator, which is used on a building foundation with multiple requirements of vibration isolation and seismic resistance, and belongs to the civil engineering industry. A replaceable sliding anti-seismic device of a steel spring vibration isolator comprises an upper structure, an upper buttress, a lower structure, a lower buttress, a central circular steel tube concrete column, a trapezoidal slidable connecting plate, a replaceable energy dissipation structure, a connecting pin, the spring vibration isolator, a vibration isolation rubber pad, a leveling steel plate and a bolt. The spring vibration isolators are connected with an upper structure and a lower structure through bolts to reduce the influence of vibration and small seismic load on an upper building, the trapezoidal slidable connecting plate is used for connecting the central circular steel pipe concrete column and the lower structure, and under the normal working condition, the replaceable energy dissipation structure supports the building and achieves the energy dissipation effect under the seismic load effect. After an earthquake, the use function can be quickly recovered by replacing the energy dissipation structure, and the concept of multi-stage vibration isolation and earthquake resistance is achieved. According to the invention, the comprehensive performance of vibration isolation and seismic resistance of the building is greatly improved.

The invention discloses a mobile small-flow flowmeter online calibration system and method, and belongs to the technical field of flow metering calibration. The system comprises a test pipeline, a start-stop valve group connected with a calibrated flowmeter in series, a weighing container, a high-precision electronic balance and a full-automatic control system. The system is characterized by further comprising an automatic emptying system which is kept physically separated from the weighing container during measurement and automatically descends to enter the container to empty liquid after measurement is finished; and the windproof vibration isolation system integrally wraps the high-precision electronic balance and the weighing container and is used for isolating environment airflow and mechanical vibration. Through the non-contact emptying and environment isolation design, the interference of the outside on the weighing precision is fundamentally eliminated, the technical problems of low field calibration precision and poor repeatability of the mobile small-flow flowmeter are solved in combination with the full-automatic control process, and the mobile small-flow flowmeter has the advantages of high calibration precision, high automation degree and high reliability.

The invention provides a capsule vibration isolation system based on nanobubbles, and belongs to the field of vibration isolation devices. The capsule vibration isolation system based on the nanobubbles comprises a vibration isolation capsule, the vibration isolation capsule is filled with buffer liquid and solid particles, the nanobubbles are attached to the surfaces of at least part of the solid particles, and bubble attached particles are formed; wherein the bubble attachment particles are configured to collide under the action of elastic waves of the vibration source, so that nano bubbles on the surfaces of the bubble attachment particles are broken, and the bubble attachment particles generate internal energy based on collision friction and bubble breakage to increase energy dissipation of the elastic waves so as to perform vibration isolation treatment on the elastic waves of the vibration source; and the preparation device is configured to prepare the nano bubbles based on a target generation rate under the control of the far infrared control signal, and input the nano bubbles into the vibration isolation bag body through the lower surface of the vibration isolation bag body so as to change the concentration of the bubble attachment particles in the vibration isolation bag body.

The invention relates to the technical field of industrial environmental protection, in particular to a double-hearth lime kiln low-emission collaborative dust removal system and a control method. The control method comprises the steps that a flue gas sensing module collects real-time flue gas parameters and kiln body working condition data; the working condition linkage regulation and control unit dynamically adjusts operation parameters of the dust removal equipment through a fuzzy PID working condition matching algorithm; the regional collaborative dust removal assembly performs differential dust removal according to flue gas characteristics and treatment requirements of different dust raising points, and flue gas flow guide is performed through a double-hearth time sequence valve group during kiln body switching; the noise elimination and vibration isolation cooperation unit adjusts the noise elimination amount and the vibration isolation damping according to the rotating speed of the draught fan and controls noise and vibration. The tail gas deep purification unit evaluates the dust removal state through a flue gas and dust coupling model, carries out deep treatment on the dedusted tail gas and controls the tail gas emission concentration; the anti-blocking optimization unit carries out cooperative anti-blocking through dynamic rapping and airflow purging based on historical operation data and real-time working conditions. Therefore, the problems of poor dust removal stability, high operation energy consumption and the like in the prior art are solved.

The invention discloses a multi-degree-of-freedom supporting mechanism which comprises a base and a motion platform and further comprises a constant force compensation module connected between the base and the motion platform and used for balancing the motion platform and most of gravity loaded by the motion platform; the six-degree-of-freedom parallel fine adjustment module is connected between the base and the motion platform and used for providing six-degree-of-freedom accurate pose adjustment; the air floatation vibration isolation module is arranged between the base and the motion platform; the sensing system comprises a plurality of pressure sensors, and the pressure sensors are arranged on the constant force compensation module and / or the six-degree-of-freedom parallel fine adjustment module and used for monitoring stress information in real time; and the control system is in communication connection with the sensing system and the six-degree-of-freedom parallel fine adjustment module, and is used for controlling the six-degree-of-freedom parallel fine adjustment module to perform active vibration isolation and pose adjustment based on a feedback signal of the pressure sensor.

The present invention relates to the technical field of measuring electrical variables, and in particular to a multi-dimensional force measurement device that takes into account both static and dynamic measurements. This device solves the technical problems of traditional six-dimensional force sensors, such as complex and cumbersome structures, overall weight, inability to take into account both static and dynamic measurements, and low measurement accuracy. The device comprises a measurement component and a vibration isolation component; the measurement component comprises a base plate, a top plate, and a cantilever beam; the cantilever beam is connected to the base plate, and the cantilever beam is inserted into a limit groove of the top plate through a support arm. The cantilever beam is provided with a uniaxial strain gauge, a first biaxial strain gauge, a second biaxial strain gauge, an X-type piezoelectric crystal, a first Y-type piezoelectric crystal, and a second Y-type piezoelectric crystal; the vibration isolation component comprises a first horizontal support plate, a second horizontal support plate, a multi-layer isolation sleeve, and a support column, and the adjacent isolation sleeve interlayers are filled with elastic material. The device realizes the combination of static and dynamic measurements, and can capture rapidly changing torques and forces while maintaining high accuracy.

The invention relates to the technical field of environmental vibration reduction and isolation control, and discloses a vibration isolation pile, a row pile structure and a construction method of the vibration isolation pile, the vibration isolation pile comprises sleeves arranged between a subway tunnel and a basement, at least two sleeves are sequentially nested from outside to inside, and an annular filling space is formed between every two adjacent sleeves; a core filling space is formed in the inner cavity of the innermost sleeve; the annular filling space and the core filling space are divided into a plurality of vibration isolation sections in the height direction of the annular filling space and the core filling space, and each vibration isolation section corresponds to a soft soil layer or a hard soil layer on the outer side; in each vibration isolation section, the annular filling space and the core filling space are each internally provided with a rigid vibration isolation layer or a flexible vibration isolation layer, and the rigid vibration isolation layers and the flexible vibration isolation layers are alternately arranged in the radial direction of the casing pipe. The technical problems that in the prior art, the vibration isolation effect of a vibration isolation pile is the same, vibration isolation cannot be conducted according to vibration propagation characteristics and vibration isolation requirements of different soil layers, and the vibration isolation effect of the vibration isolation pile is poor are solved.

The embodiment of the invention discloses a damper, a vibration isolation device and semiconductor equipment, relates to the technical field of vibration isolation, and solves the problem that a measurement frame in existing high-precision semiconductor equipment cannot realize good vibration isolation and good instantaneous stability at the same time. The damper comprises a first fixing support, a second fixing support, a supporting structure, at least one damping structure and at least one pre-tightening adjusting structure. The supporting structure is connected with the first fixing support or the second fixing support. Any damping structure comprises at least one shape memory alloy damping wire. All the shape memory alloy damping wires in any damping structure are connected with the first fixing support. In any damping structure, at least one shape memory alloy damping wire diffracts on the supporting structure in the opposite direction and is connected with the second fixing support. And the at least one pre-tightening adjusting structure is connected with the shape memory alloy damping wire in the at least one damping structure. And the pre-adjusting structure adjusts the pre-tightening force of the corresponding shape memory alloy damping wire.

The invention discloses an order-lifting sliding mode robust control method for an active-passive vibration isolation system, and belongs to the technical field of vibration isolation system control, and the method comprises the steps: introducing a feed-forward control path, predicting the vibration frequency and amplitude at a future moment based on the historical state information of a controlled system, building an overall vibration isolation target model based on the prediction, and carrying out the control of the overall vibration isolation target model. Resolving a target transfer function of an active execution mechanism through kinetic analysis of the active-passive vibration isolation system, so as to calculate a feedforward control signal; the method comprises the following steps: modeling an active-passive vibration isolation system, constructing a nonsingular terminal sliding mode surface, collecting system state error information, and generating a feedback control signal of an actual controlled system through integral controller design; a feedforward control signal and a feedback control signal are reasonably coupled and superposed to serve as control input of a controlled system. According to the order-lifting sliding mode robust control method for the active-passive vibration isolation system provided by the invention, the anti-interference capability and the stability of the active-passive vibration isolation system are improved.

The present invention discloses a suspension structure and parameter design method for suppressing high-frequency vibration of a vehicle body by three measures in the automotive field. An existing stiffness-damping inertia autonomous controllable suspension and a wheel high-frequency dynamic vibration absorber are combined to form a suspension for suppressing high-frequency vibration of a vehicle body by three measures. On the basis of vehicle body mass, wheel mass and equivalent stiffness, the mass of the wheel high-frequency dynamic vibration absorber and the minimum stiffness of the suspension in comfort mode are determined according to automobile design requirements. The damping and inertia of the inertia tube, the stiffness and damping of the wheel high-frequency dynamic vibration absorber are optimized with the goal of minimizing the objective function. When the vehicle is traveling on a bad road, the high-frequency vibration suppression measure transmitted from the wheel to the vehicle body is expanded to three measures of wheel high-frequency dynamic vibration absorption, vibration isolation and anti-resonance vibration reduction that work in coordination with each other, so that the advantage of the wheel high-frequency dynamic vibration absorption measure in cutting the peak of the high-frequency vibration of the vehicle body and the advantage of the anti-resonance vibration reduction measure in narrowing the bandwidth of the high-frequency vibration frequency band of the vehicle body are organically combined, and the vibration of the vehicle body in the high-frequency vibration band is completely flattened.

The utility model discloses a horizontal vibration isolation and vertical vibration isolation decoupling vibration and vibration double-control support which comprises a vertical vibration isolator and a horizontal vibration isolation device, the vertical vibration isolator and the horizontal vibration isolation device are connected in series up and down, and the vertical vibration isolator is located on one side of the horizontal vibration isolation device. Only the vibration isolation spring is arranged between the upper cover plate and the lower cover plate in the vertical vibration isolator, and a horizontal limiting device does not exist between the upper cover plate and the lower cover plate, so that the vertical vibration isolator has a multidirectional movement trend; the horizontal rigidity of the vibration and shock double-control support is smaller than that of a friction pendulum shock insulation support, the vibration and shock double-control support has the function of energy consumption in the horizontal direction, and when the vibration and shock double-control support is applied to a subway upper cover building or corridor shock insulation structure, abrasion of the support under temperature deformation of a building or a corridor can be effectively reduced; when the device is applied to the corridor, vibration of the corridor under wind-induced or human-induced loads can be effectively reduced.

The invention discloses a flexible three-degree-of-freedom platform with attitude adjustment, impact resistance and vibration isolation functions, and relates to the technical field of heavy-load precision assembly and attitude adjustment, the flexible three-degree-of-freedom platform comprises a fixed base, a movable platform and a plurality of branch chains connected between the fixed base and the movable platform, the branch chains are flexible branch chains, and each flexible branch chain comprises a composite flexible hinge, a plurality of flexible connecting rods and a plurality of flexible connecting rods, the two ends of the composite flexible hinge are connected with the fixed base and the movable platform respectively, and the composite flexible hinge comprises a metal core and a composite material jacket wrapping the metal core; the transmission rod is in transmission connection with the composite flexible hinge; the hydraulic buffers are integrated in the flexible branch chains and used for absorbing impact loads; the buffering assembly is installed on the fixed base and used for buffering the movable platform through the flexible branch chains; by arranging the composite flexible hinge, the strength of metal and the anti-fatigue characteristic of a composite material are combined, the fatigue problem of a metal hinge is avoided, the service life of the platform under the heavy-load working condition is prolonged, and the reliability of the platform under the heavy-load working condition is improved.

A vibration suppression system includes a first support structure, a second support structure, and a plurality of resilient members. The first support structure includes: a first support member, a second support member, a third support member coupled to the second support member at a first rotation joint, and a fourth support member coupled to the first support member at a second rotation joint. The second support structure is coupled to the first support structure and includes: a fifth support member, a sixth support member coupled to the fifth support member at the first rotation joint, and a seventh support member coupled to the fifth support member at a third rotation joint. A distance between the first rotation joint and the third rotation joint is adjustable. The plurality of resilient members are coupled to at least one of the first support structure or the second support structure.

Disclosed is a multi-modal and multi-degree-of-freedom piezoelectric active vibration isolation platform and a working method therefor. The piezoelectric active vibration isolation platform includes an upper platform, a lower platform, a control module, and four vibration isolation modules, where the vibration isolation module includes a passive vibration isolation unit and an active vibration isolation unit; the passive vibration isolation unit includes an upper connector, a lower connector, a cross Hooke hinge, and a first acceleration sensor; the active vibration isolation unit includes a fixed beam, a pre-tightening bolt, a second acceleration sensor, and a driving component; the platform can provide active vibration isolation for the longitudinal (axial) vibration and the bending vibration in any radial direction of a vibration isolation object, and has the advantages of fast response, resistance to electromagnetic interference, and light weight.

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 isolation building horizontal force transmission device, belongs to the technical field of civil engineering, and aims to solve the problems of an existing underground structure horizontal force transmission device. Comprising a mirror surface stainless steel plate and a steel box, a plurality of inner anchor bars are arranged on one side of the mirror surface stainless steel plate, a sliding block set is arranged on the other side of the mirror surface stainless steel plate, a plurality of outer anchor bars are arranged on one side of the steel box, a notch is formed in the other side of the steel box, a retainer is arranged in the notch, and the retainer and the stainless steel plate are oppositely arranged; a vertically-arranged sliding groove set and a plurality of segment-shaped notches are formed in the end face of the side, facing the stainless steel plate, of the retainer, the balls are arranged in the notches in a one-to-one correspondence and rolling mode and abut against the stainless steel plate in a rolling mode, the sliding block set is in sliding fit with the sliding groove set, the inner anchor bar is embedded in the edge beam, and the outer anchor bar is embedded in the outer wall. Vertical sliding is allowed between the outer force transmission piece and the inner force transmission piece, horizontal force transmission can be achieved, and the vibration reduction and isolation effect of the vibration isolation system is not affected.

The invention discloses an anti-vibration stabilizing device for an air outlet pipeline of an electrolytic cell, a ring-shaped pipe frame is arranged on the periphery of a material pipeline in a full-surrounding or partial-surrounding manner, and a multi-layer composite vibration isolation part is filled between the inner side of the ring-shaped pipe frame and the contact side of the material pipeline; a self-adaptive damping adjusting piece is arranged between the ring-shaped pipe frame and the fixed frame body; the device further comprises a vibration data acquisition mechanism arranged on the material pipeline. And the multi-layer composite vibration isolation part has the wear-resisting and broadband damping capabilities through the wear-resisting layer and the damping layer, and the high-frequency vibration attenuation rate is larger than or equal to 90%. A honeycomb air cavity and a closed cavity are filled with media or open cavity micropores are designed, the rigidity and damping can be adjusted in a self-adaptive mode, and low-frequency buffering or specific-frequency resonance suppression is achieved. The regular hexagonal honeycomb structure is high in geometric stability and uniform in stress dispersion, the material consumption is reduced by 30-40%, the weight is reduced, and the anti-fatigue life is prolonged. The air cavity is axially and flexibly arranged, vibration in different directions is absorbed in a targeted mode, and the multi-dimensional damping effect is improved.

A bicycle seat suspension can include one or more movable body members. The one or more movable body members can be configured to be operatively connected to a bicycle saddle. The one or more movable body members can be configured to change configuration when a load is applied to the bicycle saddle. The bicycle seat suspension can also include a vibration isolator. The vibration isolator can be configured to exhibit a non-linear stiffness profile including a region of quasi-zero stiffness. The vibration isolator can be operatively positioned such that, when the one or more movable body members change configuration responsive to a load being applied to the bicycle saddle, the one or more movable body members can engage the vibration isolator. As a result, the vibration isolator can isolate a person seated on the bicycle saddle from vibrations transferred through the bicycle saddle.

A ceiling hanger for reducing transmission of vibrations between ceilings and equipment. The ceiling hanger includes a housing and one or more crumb rubber isolators. The housing includes a first surface, a second surface and one or more side walls connecting the first and second surface. The one or more crumb rubber isolators have through holes for receiving a fastener.

The invention provides a shock insulation tensile device working in the whole process of an earthquake, and relates to the technical field of building earthquake resistance. The vibration isolation device comprises a vibration isolation support fixedly installed between an upper buttress and a lower buttress and further comprises a plurality of tensile viscous dampers, the two ends of each tensile viscous damper are connected with the upper buttress and the lower buttress through universal hinges correspondingly, a C-shaped plate is arranged on one side of each tensile viscous damper, four fixing arms are fixedly installed on each C-shaped plate, and each C-shaped plate is connected with the corresponding fixing arm. The ends, away from the C-shaped plate, of the four fixing arms are connected with a cylinder body of the tensile viscous damper, and two scale plates are installed in the C-shaped plate in a sliding mode. The shock insulation tensile device working in the whole process of the earthquake has the advantages that the shock insulation support can be effectively prevented from being damaged due to the fact that the shock insulation support bears too large tensile force, related personnel can conveniently measure the maximum extension and retraction amplitude of the piston rod of the tensile viscous damper in the earthquake after the earthquake, detection components are flexible to install, and data recording reliability is high.