114results about How to "Improve vibration damping effect" patented technology

The invention discloses an active and passive composite vibration reduction system, and particularly relates to the technical field of vibration reduction equipment, the active and passive composite vibration reduction system comprises a bottom shell, a load platform, a passive vibration reduction device and an active vibration reduction device, and the passive vibration reduction device and the active vibration reduction device are both arranged between the bottom shell and the load platform; the passive damping device comprises a positive stiffness mechanism and a negative stiffness mechanism which are arranged in parallel; the active damping device comprises a controller, a sensor, a piezoelectric actuator and a flat plate type voice coil motor, the sensor is fixed on the load platform, the sensor, the piezoelectric actuator and the flat plate type voice coil motor are all in signal connection with the controller, and the controller processes signals transmitted by the sensor and transmits commands to the piezoelectric actuator and the flat plate type voice coil motor. The method has higher control precision, stronger anti-interference capability and more excellent adaptability and flexibility, the inherent frequency and the formant peak value of the damping device are effectively reduced, the high attenuation of high-frequency vibration is ensured, and broadband vibration attenuation is realized.

The present invention provides a vibration suppression system for a photovoltaic bracket and a single-axis photovoltaic bracket. The vibration suppression system includes a constraint protection unit, and the constraint protection unit includes a force transmission component, a vibration displacement amplification component, an eddy current energy dissipation component, and a high wind protection component. The input end of the force transmission component is connected to the two ends of the photovoltaic bracket in the rotation direction; the high wind protection component includes a magnetic conductor arranged on the outside of the transmission shaft, and the magnetic conductor has a magnetic attraction with the transmission shaft when the wind speed reaches the critical wind speed of static wind instability of the bracket. The single-axis photovoltaic bracket includes a photovoltaic panel, a photovoltaic panel rotating beam, and a vibration suppression system. The constraint protection unit of the vibration suppression system is divided into two groups, and the two groups of constraint protection units are respectively arranged at the two ends of the photovoltaic panel along the length direction; the force transmission component of the constraint protection unit is arranged parallel to the torsion surface of the photovoltaic panel, and the transmission shaft is arranged horizontally. The present invention has the advantages of avoiding damage to the bracket during wind vibration and improving the safety and reliability of the bracket.

The utility model relates to the technical field of breaking accessories, in particular to a breaking hammer damping rod which comprises a breaking hammer and a drill rod connected to the top of the breaking hammer, and a top sliding seat is installed in the drill rod in a sliding mode. The first groove and the second groove are formed in the drill rod, and the reset spring and the steel column are installed in the first groove and the second groove, so that an effective vibration reduction mechanism is formed. When the breaking hammer is impacted, the steel column can slide in the first groove, meanwhile, the reset spring is compressed, impact energy is absorbed through elastic deformation of the spring, and the damping effect is further enhanced through the arrangement of the hard spring. The top sliding seat is wound on the outer wall of the steel column in the second groove, and the top and the bottom of the top sliding seat are fixedly connected with the bottom of the second groove respectively. When the top sliding seat slides in the drill rod, the hard spring deforms, so that more impact energy is absorbed, and vibration transmitted to the breaking hammer is further reduced.

The present application provides a compressor assembly and an air conditioner. The compressor assembly comprises a chassis (1), a compressor body (2), a first vibration reduction structure and a second vibration reduction structure, wherein the first vibration reduction structure is connected between the chassis (1) and the compressor body (2) and provides a vibration reduction force in a radial direction for the compressor body (2), and the second vibration reduction structure is connected between the chassis (1) and the compressor body (2) and provides a vibration reduction force in an axial direction for the compressor body (2). According to the compressor assembly of the present application, the vibration reduction performance of the compressor under unstable working conditions or in a harsh external environment can be improved, thereby ensuring the smooth operation of the compressor.

The invention discloses a circular saw blade base body provided with a vibration reduction inner cavity and a method, solves the problem that the rigidity of a saw blade is reduced due to the arrangement of a vibration reduction groove of the saw blade in the prior art, and has the beneficial effects of effectively absorbing vibration and improving the rigidity of the saw blade. Comprising a first saw blade body and a second saw blade body, the inner side face of the first saw blade body is connected with the inner side face of the second saw blade body, and a damping groove is formed in the inner side face of at least one of the first saw blade body and the second saw blade body so that a circular saw blade base body can be provided with a damping inner cavity; the depth of the vibration reduction grooves is smaller than the thickness of the first saw blade body or the second saw blade body, and when the first saw blade body and the second saw blade body are provided with the vibration reduction grooves, the shapes of the vibration reduction grooves are the same or different, and the arrangement modes of the vibration reduction grooves are the same or different. The first saw blade body and the second saw blade body are both provided with vibration reduction grooves, and when the first saw blade body and the second saw blade body are in butt joint, the vibration reduction grooves are arranged in a staggered mode.

The invention relates to an electromagnetic energy harvesting type nonlinear variable damping shock absorber and a control method thereof. The electromagnetic energy harvesting type nonlinear variable damping shock absorber comprises a box body (1), a spring-mass damping mechanism (2) and an electromagnetic energy harvesting mechanism (3). The spring-mass damping mechanism (2) comprises a mass block (21) arranged on the guide rail (22) in a sliding mode, a nonlinear spring (23) arranged perpendicular to the movement direction of the mass block (21) and a linear spring (24) arranged parallel to the movement direction of the mass block (21). The electromagnetic energy harvesting mechanism (3) comprises a permanent magnet (31) and a coil (32) used for generating current when the permanent magnet (31) rotates. And a transmission mechanism (4) capable of converting translation of the mass block (21) into rotation of the permanent magnet (31) is arranged between the spring-mass damping mechanism (1) and the electromagnetic energy harvesting mechanism (2). Compared with the prior art, by controlling the resistance value change of the variable resistor (52), the balance between the vibration reduction performance and the energy harvesting efficiency of the system can be realized.

The invention discloses a helicopter engine case vibration reduction method based on vibration energy flow control, and belongs to the technical field of structural dynamic response vibration reduction analysis. The invention aims to solve the problem of poor vibration reduction effect of the helicopter engine case in the existing method. The method comprises the steps of firstly constructing and correcting a finite element model of the helicopter engine case, then obtaining a vibration energy flow amplitude of each position on the case by calculating a vibration energy flow component and a vector of the vibration energy flow component of each position on a case surface, drawing a three-dimensional diagram of the vibration energy flow based on the vibration energy flow amplitude, and calculating the vibration energy flow of the helicopter engine case. Visualization of the distribution condition of the vibration energy flow in the cartridge receiver structure is achieved, the concentrated area of the vibration energy flow in the cartridge receiver can be accurately analyzed, finally the hanging point position of the engine is adjusted according to the distribution condition of the vibration energy flow so as to reduce the amplitude of the vibration energy flow in a specific area, then the vibration amplitude can be reduced, and the vibration reduction effect of the cartridge receiver can be improved. The method can be applied to vibration reduction of the helicopter engine case.

The present application relates to the technical field of milling cutter, in particular to a variable helix angle vibration reduction type milling cutter assembly, which comprises a connecting disc, a vibration reduction assembly, a milling cutter, a sliding frame, a sleeve rod, a second spring and a damping block, the variable helix angle arranged on the milling cutter can effectively reduce the vibration when the milling cutter is subjected to high-frequency vibration, so as to avoid affecting the normal work of the milling cutter, when the milling cutter is subjected to low-frequency vibration, the damping block will slide upward under the force brought by the vibration, so as to extrude the second spring, and also push the sliding shaft of the sleeve rod to start to contract, the second spring will generate elastic force after being compressed, so as to drive the damping block and the sliding shaft of the sleeve rod to reset, when the damping block is bounced back, the force brought by the vibration will be offset, and when the sliding shaft of the sleeve rod slides in the sleeve rod, there is friction, so the force brought by the vibration can also be consumed, so that the effect of effectively reducing the vibration is achieved, and the low-frequency vibration and the high-frequency vibration can be effectively reduced.

The embodiment of the utility model discloses an electromagnetic actuator and power equipment, and the electromagnetic actuator comprises a housing which is provided with a first accommodation cavity and a second accommodation cavity; the first actuating assembly is arranged in the first containing cavity, the first actuating assembly comprises a first guide shaft and a first mover unit, the first guide shaft extends in the first direction, the first mover unit is movably connected to the first guide shaft, and the first mover unit can move in the first direction relative to the first guide shaft; the second actuating assembly is arranged in the second containing cavity, the second actuating assembly comprises a second guide shaft and a second mover unit, the second guide shaft extends in the second direction, the second mover unit is movably connected to the second guide shaft, and the second mover unit can move in the second direction relative to the second guide shaft. According to the application, the electromagnetic actuator is utilized to synchronously perform vibration reduction on the power equipment in multiple different directions, and the vibration reduction effect of the electromagnetic actuator is improved.

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

The invention discloses a drum washing machine. The drum washing machine of the present invention comprises: a housing in which an outer drum is arranged; the front shock absorber is arranged between the shell and the outer cylinder and is close to the front end of the outer cylinder; the rear shock absorber is arranged between the shell and the outer cylinder and is close to the rear end of the outer cylinder; the ratio of the distance between the front shock absorber and the front end of the outer cylinder to the total length of the outer cylinder is 0.12-0.17; and / or the ratio of the distance between the rear shock absorber and the rear end of the outer cylinder to the total length of the outer cylinder is 0.15-0.22. According to the drum washing machine, the mounting positions between the front shock absorber and / or the rear shock absorber and the outer drum of the washing machine are reasonably designed, so that the front shock absorber and the rear shock absorber play the best effect, and the overall shock absorption effect of the washing machine is improved.

The utility model relates to a plate roller turning, grinding and polishing damping device, and belongs to the technical field of plate roller machining. The device mainly comprises a stand column, an upper sliding block, a lower sliding block, an upper connecting column, a lower connecting column, an upper connecting cross beam, a lower connecting cross beam, an upper clamping mechanism, a lower clamping mechanism and a damping sandbag. Before a clamping mechanism of a machine tool clamps, fixes and polishes a printing roller, the device is installed on the inner side wall of the machine tool through the stand columns, the upper clamping mechanism and the lower clamping mechanism enable the vibration reduction sandbag to be installed between the upper connecting cross beam and the lower connecting cross beam, it is guaranteed that the vibration reduction sandbag is tightly attached to the outer wall of the printing roller, and the application range of the device is widened; the problem that the machining precision is insufficient due to vibration during machining of the plate roller is solved, the installation position of the device can be selected at will in the length direction of the plate roller or multiple devices can be installed at the same time, and the vibration reduction performance of the device is improved.

Based on the liquid shaking energy dissipation principle, the liquid cooling motor structure comprises an oil inlet pipe, a flow dispersing pipe, an oil outlet pipe and a plurality of vault tile kettles, each vault tile kettle is in a tile shape, the length of each vault tile kettle is equal to that of the outer surface of a stator in the axial direction of a motor, and the width of each vault tile kettle is 1 / 12-1 / 8 of that of the outer surface of the cross section of the stator. The inner radius is matched with the radius of the outer surface of the stator, and the stator is fixed on the outer surface of the stator and tightly attached to the outer surface of the stator; the plurality of vault tile kettles are uniformly distributed on the outer surface of the stator, so that sufficient liquid cooling and vibration reduction of the motor are realized. The ports of the oil inlet pipe and the oil outlet pipe are arranged at the positions where oil can flow out smoothly at the height of 50%, so that the oil capacity is maintained at 50%; by setting the positions and shapes of the oil inlet pipe and the diffuser pipe, the surface area of oil or the contact area with the outer surface of the motor stator is increased, so that the efficient heat dissipation is realized, the vibration reduction effect is remarkably improved, and the service lives of the motor and related parts are prolonged.

The utility model relates to the technical field of floating slab ballast beds, in particular to a floating slab ballast bed structure, which is characterized in that steps higher than a floating slab are poured on two sides of the floating slab, and drain pipes are pre-buried in concrete of the steps. And the drainage pipe is connected with a lateral ditch of an existing structure adjacent to the floating slab ballast bed structure to realize drainage. The floating slab track bed has the advantages that the damping effect is effectively improved while the drainage performance of the floating slab track bed section is improved; the structure is simple, reasonable, convenient to construct and suitable for popularization.

The application provides a bearing seat, an electric spindle assembly and a numerical control machine tool. The bearing seat comprises an outer seat body, an inner seat body, a damping structure and a cooling channel. The outer seat body forms an outer chamber, and the inner seat body is arranged in the outer chamber. A damping cavity is formed between the inner seat body and the outer seat body, and the damping structure is arranged in the damping cavity. The cooling channel is formed in the outer seat body, the inner seat body or the damping structure. The cooling effect and the damping effect are considered, the damping structure improves the support damping between the inner seat body and the outer seat body, and the vibration between the inner seat body and the outer seat body can be absorbed. The cooling liquid is introduced into the cooling channel, the heat generated by the high-speed rotation of the bearing can be taken away, the thermal deformation of the bearing and the bearing seat is prevented, the rotation accuracy of the electric spindle and the stability of the electric spindle operation are improved. The damping structure is formed by injecting a hot-melt glue type material into the damping cavity and solidifying, and the pressure of the damping cavity is not adjustable. The damping structure is formed by injecting metal powder, silicon oil or hydraulic oil into the damping cavity, and the pressure of the damping cavity is adjustable.

The invention relates to the technical field of bridge engineering, and discloses a novel damping vibration attenuation intelligent bridge support which comprises a bottom plate, a top plate is arranged at the top of the bottom plate, and the bottom plate is connected with the top plate through a connecting rod; the damping assembly is arranged between the bottom plate and the top plate and used for conducting damping operation when the damping assembly is stressed; the extrusion plate is fixed at the bottom of the top plate and is used for generating a force effect on the damping assembly; the limiting frame is fixed to the top of the bottom plate and used for limiting the force application direction of the extrusion plate; the sensing assemblies are arranged in the limiting frame in an annular array mode and used for monitoring the state of the equipment in a multi-azimuth mode when the equipment is stressed. External impact force is effectively absorbed and dissipated layer by layer, the top plate is buffered for the first time, and then the extrusion plate and the damping assembly are used for buffering for the second time and the third time, so that equipment still keeps stable when bearing large loads and vibration, the overall damping effect of the bridge support is improved, the service life of the structure is prolonged, and the service life of the bridge support is prolonged. And the possibility of fatigue damage is reduced.

The utility model relates to the technical field of automobile vibration reduction, in particular to a vibration reduction support special for an automobile steering wheel, which comprises a main support frame, a first damping assembly, an elastic connecting plate, a hydraulic buffer unit, an adjusting arm and a dynamic balance module. The main supporting frame is connected with a steering column through bolts, and a flexible sleeve is arranged on the inner side to absorb vibration. A ball bearing is embedded in the elastic connecting plate to reduce friction; the hydraulic buffer unit adjusts the damping force by utilizing the flow characteristic of silicone oil; the position of the adjusting arm is adjusted through a gear rack mechanism; the dynamic balance module disperses high-frequency vibration through cooperation of a spring piece and a rubber cushion layer. Omnibearing vibration under complex road conditions can be effectively restrained, the installation process is simplified, adaptability and durability are improved, and the requirements of modern automobiles for high comfort and intelligent monitoring are met.

The utility model relates to a damping device for a fan outlet pipeline. The damping device for the fan outlet pipeline comprises an objective table internally provided with a through groove and further comprises a first mounting block arranged in the through groove, a first clamping plate is hinged to the upper end of the first mounting block, and a first spring damper is arranged between the first clamping plate and the first mounting block; the second mounting block is arranged in the through groove and located on one side of the first mounting block, a second clamping plate is hinged to the upper end of the second mounting block, and a second spring shock absorber is arranged between the second clamping plate and the second mounting block. The objective table, the first clamping plate and the second clamping plate are arranged to support, clamp and fix the outlet pipeline, so that the vibration amplitude of the outlet pipeline is reduced, and the situation that other devices are interlocked and shut down due to excessive vibration of the outlet pipeline is avoided; the first spring shock absorbers and the second spring shock absorbers can absorb vibration when the fan outlet pipeline vibrates, and the vibration reduction effect is further improved.

A steering wheel and airbag mounting structure includes a steering wheel frame and an airbag housing, at least three groups of connecting components are arranged between the steering wheel frame and the airbag housing, and the connecting components are limited by fixed clips mounted under the steering wheel frame; the connecting components include a connecting bracket, a connecting hook, a horn spring and a supporting spring, the upper end of the connecting hook is movably inserted into a T-shaped slot arranged on the bottom surface of the airbag housing, and the movable gap is greater than the upper limit of the horn contact stroke, and the lower end of the connecting hook is inserted into a jack arranged on the steering wheel frame and is clamped by a fixed clip; the horn spring, the connecting bracket and the supporting spring are sequentially sleeved on the connecting hook from top to bottom; the connecting bracket is movably clamped with the bottom of the airbag housing, and the movable gap is greater than the upper limit of the horn contact stroke; the connecting bracket is fixedly clamped with the connecting hook. The structure has a good vibration reduction effect, and can effectively prevent the automobile steering wheel system from generating abnormal noise due to contact or horn rebound, thereby improving the user's driving experience.

This invention discloses a variable damping tuned mass damper and its construction method, comprising a top plate, a bottom plate, a mass block, several elastic elements, a guide assembly, an eddy current damper assembly, and a position adjustment assembly. The top plate and bottom plate are arranged opposite to each other, and the mass block is fixedly mounted on the bottom plate. Connecting parts are provided around the mass block. The several elastic elements are arranged between the bottom plate and the connecting parts. The guide assembly passes through the elastic elements, with one end fixedly connected to the bottom plate and the other end movably passing through the connecting parts and fixedly connected to the top plate. The eddy current damper assembly includes a permanent magnet, a conductor plate, and a support. The permanent magnet is fixedly mounted in the middle of the side wall of the mass block. The conductor plate is arranged opposite to the permanent magnet and connected to the position adjustment assembly through the support. The position adjustment assembly allows the conductor plate to move relative to the permanent magnet to adjust the damping magnitude. Through field testing and reasonable damping design, the vibration reduction effect of the damper is greatly improved.

The invention provides a particle damper for vibration reduction of a wing structure, which comprises a bottom plate, a cover plate and a box body symmetrically arranged on the bottom plate, a plurality of damping particles and metal grids parallel to each other are placed in the box body, and a damping layer is attached to the inner wall of the box body. When the main beam vibrates due to external disturbance of the wing, the damping particles vibrate along with the main beam and collide and rub with the metal grating and the damping layer in the vibration process, vibration energy is effectively converted into heat energy, and therefore dissipation of the vibration energy is achieved, the vibration amplitude of the main beam of the wing is remarkably reduced under the condition that the structure of the wing is not changed, and the service life of the wing is prolonged. Not only is the influence of vibration on the performance of the wings effectively reduced, but also the purpose of noise reduction is achieved, and the mute performance and the riding comfort of the aircraft are improved.

This invention discloses a vibration damping device and its parameter optimization method for suppressing the vibration of ultra-long cable-stayed bridges. The vibration damping device includes a first damper and a second damper disposed between the cable-stayed bridge and the bridge deck. The intersection of the cable-stayed bridge and the bridge deck is the anchorage end. The distance between the installation point of the first damper and the anchorage end of the cable-stayed bridge is a1, and the distance between the installation point of the second damper and the anchorage end of the cable-stayed bridge is a2, where a1 < a2. The dimensionless damping coefficient of the first damper is η1, where η1 = c1 / (Tm). 0.5 The dimensionless damping coefficient of the second damper is η2, where η2 = c2 / (Tm). 0.5 The value of η1 ranges from η1,opt3 to η1,opt1, and η2 ≈ 1. In the damping device of this invention, the first damper is mainly for low-order modal vibration, and the second damper is mainly for high-order modal vibration, so that each damper can play its best role. This allows the damping device to effectively suppress different modal vibrations of the cable-stayed bridge, avoid excessive or insufficient control of the cable vibration, and improve the structural safety and comfort of the bridge.

This utility model discloses a differential mounting structure, belonging to the field of automotive technology. It solves the problem of poor vibration damping performance of existing differentials. It mainly includes a subframe and a differential. The subframe includes a front crossbeam and a rear crossbeam. Front mounts are installed on the left and right sides of the bottom of the front crossbeam. The front mount includes a front inner liner tube and a front bolt. The top of the front inner liner tube is connected to an upper cover plate, and a lower cover plate is provided on the lower side of the front inner liner tube. A rubber pad is installed on the upper side of the lower cover plate. The front inner liner tube is also fitted with a front rubber sleeve. The front bolt is threaded to the front crossbeam. Lugs are connected to the left and right sides of the front end of the differential. A fixing cylinder is provided at the front end of the lugs, and the rubber sleeves on both sides are respectively installed into the corresponding fixing cylinders on both sides. Rear mounting holes are opened on the left and right sides of the front end face of the rear crossbeam. A rear mount is installed in the rear mounting holes. The rear mount includes a rear inner liner tube, and a rear rubber sleeve is fitted into the rear inner liner tube. The rear inner liner tube is fixedly installed at the rear end of the differential.

The application discloses a parallel hole damping-spiral tube inerter underwater damping device and belongs to the technical field of underwater vibration control. The device comprises an upper shell, a lower shell, a damping spring, an open small hole damping and an open fluid inerter. The upper shell and the lower shell are two parts in relative sliding. The damping spring and the open small hole damping are assembled in parallel to form an integral body, which together constitutes an open spring damping. The open spring damping and the open fluid inerter are connected in parallel, and the upper and lower ends of the two are respectively fixed to the upper shell and the lower shell. The open small hole damping and the open fluid inerter are both installed in the upper shell and the lower shell. The application adopts a parallel topology structure of inerter, damping and spring. The double spiral pipes and the symmetrical piston rods realize the fluid inerter effect in two directions. The small holes on the damping piston realize the speed-dependent throttling damping. The device has the characteristics of wide frequency vibration isolation, strong static load capacity, symmetrical positive and negative characteristics and deep water environment.

The magneto-rheological shock absorber with the multiple guiding functions comprises a cylinder barrel assembly, a piston rod assembly, a guider assembly and a piston assembly, the guider assembly is arranged in the cylinder barrel assembly, the piston rod assembly comprises a piston rod, one end of the piston rod penetrates through the top end of the cylinder barrel assembly and the guider assembly to be connected with the piston assembly, and the other end of the piston rod penetrates through the cylinder barrel assembly and the guider assembly to be connected with the piston assembly. The guider assembly comprises a guider, a first guiding supporting piece and a second guiding supporting piece, the first guiding supporting piece and the second guiding supporting piece are arranged on the guider, the first guiding supporting piece and the second guiding supporting piece are vertically arranged in a spaced mode, the first guiding supporting piece is located at the upper end of the guider, and the second guiding supporting piece is located at the lower end of the guider. And a certain distance is formed between the two guide supporting pieces, so that double guidance is formed, the guide length is increased, the guidance quality is improved, the friction contact surface is not greatly increased, and the lateral force resistance and smaller friction force of the shock absorber are ensured.

The utility model relates to rubber support technical field, concretely is a three -dimensional anisotropic shock attenuation rubber support, the utility model discloses a main body function layer and external protection layer, the external protection layer is covered in the outside of main body function layer, the main body function layer includes at least two corrugated stiffened sheets, and the rubber layer is arranged between two adjacent corrugated stiffened sheets, and the rubber layer and corrugated stiffened sheet staggered overlap, and the rubber layer is bonded together vulcanization between stiffened sheets, the external protection layer includes upper rubber protection layer, side rubber protection layer and lower rubber protection layer, and the periphery of rubber layer and corrugated stiffened sheet all and side rubber protection layer bond or vulcanization into a whole, the corrugated configuration form of support corrugated stiffened sheet that the utility model puts forward can make when support shearing deformation, and the effective shearing layer thickness of different directions can carry out different design, and the vertical deformation mode of support has changed, realizes longitudinal, lateral differentiating rigidity, yield force design, and realizes the vertical shock attenuation design.

The utility model discloses a grooving cutter with a vibration reduction cutter bar, and relates to the technical field of grooving cutters. The tool bar comprises a tool bar sleeve, one side of the tool bar sleeve is fixedly connected with an end head, and one side of the end head is provided with a tool; a vibration reduction assembly is arranged in an inner cavity of the cutter bar sleeve and comprises a damper fixedly connected to the inner cavity of the cutter bar sleeve. Through the design of the vibration reduction assembly, the vibration resistance of the grooving cutter is effectively improved, the service life of the grooving cutter is effectively prolonged, cutting vibration energy can be efficiently absorbed through the combination of the damper and the vibration reduction plate, vibration is converted into multi-directional movement through the sliding rod, the sliding sleeve and the connecting rod mechanism, and intelligent rigidity adjustment of the memory alloy tension spring is matched. Compared with a traditional vibration reduction material, the mechanical vibration reduction structure has the advantages that the problem of consumable abrasion is solved, excellent vibration reduction performance can still be maintained after long-term use, the roughness of a machined surface can be effectively reduced, and the service life of a cutter can be prolonged.

The utility model provides a kind of damping mechanism for ball mill, comprising: base, below the barrel of corresponding ball mill;Several damping components are located on the base, each the damping component includes upper and lower sequentially connected roller, upper and lower telescopic damping spring, upper and lower telescopic air bag, several air bags are respectively connected exhaust device and inflator, the roller is arranged on the barrel outer wall, several damping springs and several air bags are equipped with follow-up plate, the follow-up plate side is equipped with trigger, the base is equipped with several pressure boost trigger devices below the follow-up plate and corresponding several triggers, the pressure boost trigger device is used to trigger the inflator and corresponding air bag inflation;The damping strength of several damping components can be adjusted to increase with the increase of vibration intensity of different parts of barrel, to improve the overall damping effect of damping mechanism.

The utility model relates to a damping device technical field discloses a damping suspension base, including base body, be provided with the cavity in the base body, the cavity is equipped with first rubber damping layer and sound absorption cotton layer from top to bottom in succession in it. The utility model discloses a cavity is set up in the base body, and the sound absorption cotton is filled in the cavity to form the sound absorption cotton layer, compared to the sound absorption cotton is set up around the base body, when the sound absorption cotton is filled in the cavity of the base body, the sound absorption cotton can not be influenced by the dust of outside, humid air, makes sound absorption cotton can keep excellent sound absorption performance for a long time. And through the first rubber damping layer that sets up the sound absorption cotton layer in the cavity top, through the first rubber layer can absorb the vibration that produces when air conditioning compressor works, again cooperates sound absorption cotton layer to absorb the noise that penetrates into the base body downwards and blocks the noise and penetrates out suspension base, to make the damping effect of damping suspension base get greater promotion.

The utility model relates to a glass lifter bracket belongs to the steam picture glass lifter part. The slider and the base body are integrally injection molded once, the buffer pad and the base body are integrally injection molded twice, and the base body has directional limit in the horizontal direction of bearing glass. The advantages are novel structure, integral injection molding of the bracket base body and the slider, cancellation of the slider assembly process, cost reduction and benefit increase, secondary injection molding of the bracket base body and the buffer pad, no gap between the bracket base body and the buffer pad after long-term use, no abnormal sound, B-shaped hollow structure of the buffer pad, improved damping effect, long service life, the novel bracket limits the glass displacement in the horizontal direction, the glass does not deflect when rising, the glass has good sealing property after rising into the groove, and the phenomenon of rain leakage due to the non-strict sealing line of the glass rising top is eliminated.