172 results about "Vibration absorption" patented technology

The invention discloses an optical thermostat with comprehensive vibration reduction and low-temperature in-situ displacement functions, which adopts upper and lower opposite vibration absorbers and a large-mass base to realize first-order to second-order inertial vibration absorption, and further realizes thorough decoupling with an optical platform in a suspension type non-contact manner, and the vibration transmissibility can be reduced to be less than 10%. Resonant frequencies of two systems (a sample table system and a cold head system) are designed to achieve vibration decoupling. The technical problems that in the prior art, the high-grade vibration isolation capacity is insufficient, refrigerator noise is easily coupled to a measuring light path, the low-temperature in-situ precision displacement capacity is lacked, and the contradiction between heat isolation, convenience and cost is difficult to balance can be solved. Under the support of a conventional GM refrigerator, the comprehensive requirements of ultralow basic vibration, strong decoupling of a measurement light path, low-temperature in-situ micron-sized displacement, convenient sample replacement and efficient refrigeration / thermal control are met at the same time.

The intermittent acoustic black hole broadband vibration absorption structure comprises a cylinder with a top plate at the top end, and a plurality of sets of acoustic black hole thin plate circumferential arrays are evenly arranged on the inner wall of the cylinder at intervals in the axial direction. Each group of acoustic black hole thin plate circumferential array comprises first acoustic black hole thin plates with large discontinuous angles and second acoustic black hole thin plates with small discontinuous angles, which are alternately arranged along the annular direction and are coplanar, and the acoustic black hole thin plates are arranged perpendicular to the inner wall of the cylinder; the first acoustic black hole thin plate and the second acoustic black hole thin plate are equal in inner diameter and outer diameter; the first acoustic black hole thin plates of the acoustic black hole thin plate circumferential arrays are correspondingly arranged in the axial direction, and the second acoustic black hole thin plates of the acoustic black hole thin plate circumferential arrays are correspondingly arranged in the axial direction to form a plurality of sets of acoustic black hole thin plate axial arrays. And in the acoustic black hole thin plate axial array, each acoustic black hole thin plate has the same discontinuous angle, and the inner diameter of each acoustic black hole thin plate is gradually reduced from the bottom end to the top end of the cylinder. The broadband vibration absorption effect can be achieved.

The invention discloses a multi-degree-of-freedom staggered active vibration absorption method and system, photoetching equipment and a storage medium. The method comprises the following steps: acquiring vibration data; determining vibration state parameters of each degree of freedom at the current moment based on the vibration data; on the basis of the vibration state parameters, according to a preset interleaving control strategy, control instructions for a plurality of actuator units are generated; and driving the actuator unit to generate corresponding active damping force based on the control instruction. The embodiment of the invention aims to overcome the technical defects of potential instability, high energy consumption and poor time-varying disturbance adaptability caused by control resource competition in a traditional multi-degree-of-freedom active vibration control system, so that more stable, more efficient and more adaptive vibration suppression is realized.

Vehicle (3) comprising a vibration absorber (1) which includes a mounting seat (2) for the vibration absorber (1). The mounting seat (2) for the vibration absorber (1) includes a seat body (100) and a shut-off valve (301). The seat body (100) is provided with a first flow passage (120), a second flow passage (130), and a third flow passage (140). The first flow passage (120) is configured to be connected to a working cylinder (210) of the vibration absorber (1), the second flow passage (130) is configured to be connected to an external oil pump, and the third flow passage (140) is configured to be connected to an external oil filling device. The shut-off valve (301) is connected accordingly to the first flow passage (120), the second flow passage (130) and the third flow passage (140).The shut-off valve (301) is configured to control whether the first flow passage (120) is connected to the second flow passage (130) or not, and / or to control whether the first flow passage (120) is connected to the third flow passage (140) or not.

The invention belongs to the field of aero-engine rotor design, and provides an aero-engine two-dimensional thrust vectoring nozzle heat shield fixing and restraining structure which adopts a high-flexibility space curve notch design to actively control the rigidity of two dimensions of a bolt so as to release thermal deformation and avoid thermal damage to the structure caused by local overlarge thermal stress. And meanwhile, the material characteristics of metal rubber are used for improving the vibration absorption capacity of the aero-engine fixing and restraining structure, the problem that the vibration reduction capacity of an existing connecting structure is insufficient under airflow pulsation excitation is solved, and meanwhile the pulsation frequency band in the engine working condition is widened.

This application relates to the field of robotic vacuum cleaner technology, and in particular to a silent motor for robotic vacuum cleaners, comprising a motor body and a noise reduction component. The noise reduction component is connected to the motor body via an elastic connector and includes a vibration absorption structure and a soundproof enclosure. The inner wall of the soundproof enclosure is provided with sound-absorbing sheets and filling material, and the bottom fixing bracket ensures installation accuracy through positioning pins. This application significantly reduces noise through the synergistic effect of vibration damping pads, sound-absorbing sheets, and elastic connectors, and adopts a split soundproof enclosure for easy maintenance while optimizing heat dissipation performance. This utility model solves the problems of complex noise reduction, high cost, and insufficient heat dissipation in existing motors, providing technical support for the miniaturization design of robotic vacuum cleaners.

The utility model provides a kind of fixing structure of inner rotor magnet, the fixing structure includes motor shaft, rotor core, magnet and fixed clip, the outer surface of motor shaft is evenly distributed with multiple pressing ribs along the axial direction, multiple pressing ribs are used to with the six petal sheet center hole structure of fixed clip interference fit;Multiple installation grooves are evenly provided on the outer circumference of rotor core, multiple installation grooves are used to accommodate multiple the magnet;Fixed clip includes six petal sheet, cantilever spring piece and sawtooth;The end of six petal sheet is inclined to horizontal plane 5-10 °;Cantilever spring piece is distributed in the outer ring part of fixed clip, and cantilever spring piece is V-shaped bending structure;The sawtooth is located in the outer circle edge of fixed clip, and sawtooth contacts the magnet, so that magnet axial limit position.The fixing structure provided by the utility model has the advantages of simple structure, easy installation, vibration absorption, elastic fixing, eccentric force control, magnetic field pulsation, improved heat dissipation and the like.

The invention provides a large copper ring casting centrifugal machine which comprises a tray used for bearing a copper ring casting. The transmission shaft is fixedly connected to the bottom of the tray, the transmission shaft is arranged in the supporting frame, a bearing ring corresponding to the transmission shaft is arranged in the supporting frame, and the transmission shaft is inserted into the bearing ring and rotationally connected with the supporting frame; and the power output end of the driving assembly is connected with the transmission shaft. The invention has the beneficial effects of simple maintenance, motor protection during overload, stable operation, buffering and vibration absorption, integral hoisting of the transmission shaft during disassembly and assembly, and no need of disassembly of the shaft system, thereby facilitating reduction of the production cost, improvement of the safety and stability of equipment and improvement of the production efficiency.

The application discloses a bridge cable-stayed damping mechanism and belongs to the technical field of bridge engineering, which comprises a bottom plate installed on a bridge deck and a mounting frame installed on a cable-stayed cable, a connecting assembly is installed between the bottom plate and the mounting frame, the connecting assembly comprises a first connecting rod connected with the bottom plate through a spherical hinge and a second connecting rod connected with the mounting frame through a spherical hinge, the first connecting rod and the second connecting rod are both connected with a connecting plate through spherical hinges at one end close to each other, a damping device is arranged at the spherical hinge connecting position, the two connecting plates are connected through a first spring, and a buffer fixing seat is elastically connected to the two sides of the mounting frame and is installed on the cable-stayed cable. When the cable-stayed cable vibrates, the mounting frame is driven to move, the first connecting rod and the second connecting rod are rotated through the spherical hinge connecting position, the first spring between the two connecting plates is deformed to realize buffering, and the damping device of the spherical hinge connecting position absorbs vibration, so that when the cable-stayed cable vibrates in any direction, the connecting assembly can realize buffering and vibration absorption.

The invention relates to the technical field of electric energy storage systems, and provides a wind power system cooperative operation method adopting a supercritical airfoil blade structure, which is used for solving the problem that the wind power acceptance capability of a power grid is influenced by blade vibration, and comprises the supercritical airfoil blade structure and a layered cooperative control system; the supercritical airfoil blade structure comprises a blade body composed of a blade root part, a blade body part and a blade tip part, a noise reduction piece is fixedly arranged on the rear edge of the blade body, a splicing groove is formed in the noise reduction piece, the rear edge of the noise reduction piece is in a continuous curve shape or a continuous broken line shape, and a groove is formed in the surface of the noise reduction piece. A melamine foam vibration absorption layer is arranged at the rear edge of the blade body in a clamped mode, and a vibration absorption groove is formed in the bottom of the splicing groove. A V-shaped opening for reducing the wind resistance area is formed in the blade tip part of the blade body; the layered cooperative control system comprises a dynamic power distribution module and an angular frequency error feedback synchronous control module.

This invention discloses a tuned mass damper, relating to the field of tuned mass damper technology. The tuned mass damper includes a housing, two mass modules, and a cosine beam. The two mass modules are disposed within the housing and are spaced vertically. Each mass module includes a vibration-absorbing component and multiple elastic elements disposed around its periphery. The multiple elastic elements extend laterally along the vibration-absorbing component, with one end connected to the vibration-absorbing component and the other end connected to the housing. The cosine beam is disposed between the two vibration-absorbing components, with its upper end connected to the upper vibration-absorbing component and its lower end connected to the lower vibration-absorbing component. This application achieves a wider effective vibration suppression frequency band by using two vibration-absorbing components (upper and lower) in conjunction with the cosine beam to absorb vibration. By arranging multiple elastic elements around the vibration-absorbing components, compared to tuned mass dampers that absorb vibration in a single dimension, it achieves vibration absorption in multiple dimensions, and the structure is simple and easy to replace.

The invention discloses a frequency-adjustable dynamic vibration absorber, and belongs to the technical field of dynamic vibration absorbers, the frequency-adjustable dynamic vibration absorber comprises a fixed support assembly, a plate spring, a mass block, a driving assembly and a sliding clamp, and the fixed support assembly is provided with a plate spring mounting part and a driving assembly mounting part; the middle part of the plate spring is mounted on the plate spring mounting part, and two ends of the plate spring are free ends which are respectively provided with a group of mass blocks; the driving assembly is mounted on the driving assembly mounting part; the area between the middle and the free end of the plate spring is the movement area of the sliding clamps, the two sides of the plate spring are each provided with one movement area, one sliding clamp is arranged in each movement area, the sliding clamps are in sliding connection with the plate spring, and the sliding clamps are in transmission connection with the driving assembly. The vibration absorber is driven by the driving assembly to linearly move in the length direction of the plate spring, the effective working length of the plate spring is changed, the inherent frequency of the plate spring is adjusted, the inherent frequency of the vibration absorber is synchronously matched with the external excitation frequency, and the optimal vibration absorption effect is achieved.

The invention discloses a self-adaptive bistable nonlinear energy trap vibration absorption device, belongs to the field of vibration control, and can be used for vibration suppression in the fields of aerospace, precision manufacturing and the like. The device comprises a bistable adjusting device, an electromagnetic damping adjusting device, a hinge connecting rod guiding device, a multi-fulcrum movable frame, a mover mass block and the like. The bistable state is realized by connecting negative stiffness formed by a pre-compression horizontal spring and a hinge connecting rod with a vertical weak positive stiffness spring in parallel, and a motor regulates and controls the pre-compression amount of the horizontal spring through a belt and a worm and gear so as to change the potential well depth; the electromagnetic damper is a Lorentz actuator, a coil is connected with a movable frame, and a permanent magnet is connected with a structural bottom plate; the two acceleration sensors respectively measure the vibration of the movable frame and the structure. The device can adaptively adjust bistable state and damping, achieves optimal target energy transfer, and has the advantages of high robustness, strong broadband line spectrum control and high efficiency.

This invention provides a bundling unit (10) for bundling stored objects (80A) in a box-type container (200) in a manner that is divided into two columns spaced apart in the width direction and two layers in the vertical direction. The bundling unit includes: a lower buffer (1) supporting the two columns of stored objects (80A) in the lower layer; a middle buffer (3) clamping one between each of the upper and lower stored objects; an upper buffer (5) holding the upper part of the stored objects; and a vibration absorption unit (20) provided with... At the bottom of the container, the vibration absorption unit (20) has a first plate (21), a second plate (22), and an elastic body (23) disposed between the first plate (21) and the second plate (22). The center of the elastic body (23) is located further outward than the center of gravity of the stored objects relative to the middle of the two rows of stored objects. The distance (D) in the width direction between the center of the elastic body (23) and the center of gravity of the stored objects is more than 2% and less than 8% of the maximum outer diameter of the elastic body (23).

The application relates to a series double-stage shock absorber for oil drilling, which comprises a shell, a fluid damping module, an inertial vibration absorption module, a pressure compensator system and a heat dissipation and sealing system arranged in the shell, the fluid damping module and the inertial vibration absorption module are axially connected in series to form a series double-stage shock absorbing structure, the fluid damping module is arranged in a fluid damping chamber at the lower part of the shell, the inertial vibration absorption module is arranged in an inertial vibration absorption chamber at the upper part of the shell, and the pressure compensator system is arranged between the fluid damping module and the inertial vibration absorption module; the fluid damping module comprises rectangular damping discs, a transition flow channel and damping liquid, the rectangular damping discs are uniformly arranged outside the transition flow channel, and the rectangular damping discs are provided with damping holes and damping rib plates; heat dissipation fins are uniformly arranged at the lower part of the shell. The series double-stage shock absorbing structure is adopted, large energy low-frequency impact is consumed through the fluid damping chamber, high-frequency vibration is filtered through the inertial vibration absorption chamber, and wide-band and high-efficiency multidimensional vibration suppression is realized.

A pickleball paddle with improved vibration mitigation is described. An example pickleball paddle comprises a handle comprising one or more first structural materials, a striking blade comprising one or more second structural materials, and a transition section continuous with and located between the striking blade and the handle to form the pickleball paddle. The transition section comprises a throat that is covered by a structural material that connects the handle to the striking blade and comprises vibration absorbing component. In another example pickleball paddle, the transition section, formed with one or more vibration dampening materials, indirectly connects the striking blade to the handle. A cross-section of at least a part of the transition section in the vertical direction is devoid of the handle and the striking blade.

The utility model discloses a low-noise spindle double-speed gearbox which comprises a lower box body, bolt positioning seats are fixedly installed on the two sides of the bottom of the lower box body, an upper box body is arranged on the top of the lower box body, and bearing seats are fixedly installed on the two sides of the lower box body and the two sides of the upper box body. The rubber and plastic damping plate is formed by bonding and limiting a plurality of layers of rubber plates, the shock insulation effect is good, the influence on the outside when the gear box assembly is used can be reduced, noise generated during working is reduced by reducing vibration generated during operation of the device, then a part of vibration is effectively absorbed through the sound insulation fiber plate, and the service life of the gear box assembly is prolonged. The noise is isolated, the sound-absorbing cotton is light in weight, small in density and multi-hole, a large number of connecting gaps are formed in the sound-absorbing cotton, the sound-absorbing cotton can absorb sound, the rubber and plastic shock-absorbing plate and the sound-insulating fiber plate are matched, the shock-absorbing and sound-insulating effects are achieved, the noise is lower during operation of the gearbox, the comfort degree of the device is improved during use, and the device is convenient to use.

The invention discloses a frequency-adjustable type double-order dynamic vibration absorber, and relates to the field of vibration control, the frequency-adjustable type double-order dynamic vibration absorber comprises a supporting base, a plate spring used for absorbing vibration force is arranged at the top of the supporting base, the plate spring comprises at least three supporting layers and elastic layers located between the adjacent supporting layers, and the supporting layers and the elastic layers are fixed through vulcanization bonding; mass blocks are arranged at the tops of the two ends of the plate spring, absorption seats are arranged at the bottoms of the two ends of the plate spring and located at the mass blocks, and the mass blocks longitudinally move at the tops of the absorption seats; the adjusting structure comprises a body cover plate arranged at the top of the plate spring relative to the supporting base, limiting beams used for limiting movement of the mass block are arranged on the two sides of the body cover plate, adjusting clamping plates are movably arranged in the middles of the limiting beams, and the adjusting clamping plates drive the mass block to transversely move and adjust the vibration frequency of the plate spring. Movement of the mass block is flexibly adjusted to enable vibration frequencies to be matched, and meanwhile double vibration absorption is suitable for medium-frequency and high-frequency vibration absorption work.

This application provides a partition wall panel and a rail vehicle. The partition wall panel includes: a core layer, which is foamed polypropylene; a reinforcing layer, respectively bonded to the upper and lower surfaces of the core layer; the reinforcing layer is made of composite fiber reinforced epoxy resin prepreg; a skin layer; a skin layer is bonded to the outer surface of each reinforcing layer away from the core layer; the skin layer is a fire-resistant board. The partition wall panel and rail vehicle provided in this application have a core layer made of foamed polypropylene, which has advantages such as good cushioning and vibration absorption capacity and good heat resistance. It is also lightweight, environmentally friendly, and recyclable. The reinforcing layer made of composite fiber reinforced epoxy resin prepreg can improve the overall bending strength of the partition wall panel. The skin layer is a fire-resistant board, which has good fire resistance.

The invention provides a mass center adjustable light vibration absorption dynamic stabilizing device and an aircraft, and belongs to the technical field of aircrafts. The vibration absorber comprises a control section, a power section, a plurality of vibration absorption sections and a tail inertia section which are sequentially connected through a steering mechanism in the axial direction. An air pump is arranged in the power section, vibration absorption units are arranged in the multiple vibration absorption sections, a controller is arranged in the control section and used for adjusting the mass center and the working state of the vibration absorption units, and the mass density of the tail inertia section is larger than the average density of the multiple vibration absorption sections. The air pump is communicated with an air bag in the steering mechanism, the air bag is controlled to be inflated and deflated to drive all the sections to relatively bend and deform so as to adjust the overall space posture of the device, and the tail inertia section is matched with bending deformation of all the sections to achieve active adjustment of the mass center of the aircraft. Multi-degree-of-freedom bending of the device is achieved through air bag driving so as to actively adjust the mass center of the aircraft, and overturning moment caused by load operation can be actively counteracted to stabilize the mass center.

This invention discloses a semi-active vibration suppression device and its control method for hybrid-tower wind turbines, belonging to the field of wind turbine vibration control technology. The device includes a main frame, pulley system, water tank, spring, magnetorheological damper, and intelligent controller. The pulley system enables bidirectional sliding between the frames, allowing the water tank to move freely in the horizontal plane. The water tank contains antifreeze and vibration-damping fluid, forming a tuned liquid damper. The spring and magnetorheological damper are connected parallel to each other to the frame. The control method employs a strategy combining an offline sample database and online PID fine-tuning: offline, a genetic algorithm is used to optimize PID parameters under different operating conditions to build a database; online, the current operating condition is identified to match initial parameters, and a fine-tuning genetic algorithm is used to optimize the PID parameters in real time, adjusting the damping force of the magnetorheological damper. This invention integrates the semi-active adjustment capability of the magnetorheological damper with the passive vibration absorption advantage of the tuned liquid damper, achieving multi-frequency vibration suppression. It features a compact structure, fast response, and strong adaptability, effectively extending the unit's lifespan and reducing operation and maintenance costs.

The application discloses a ball screw type tuned mass damper inertial container and relates to the technical field of structural damping, which comprises a mass block, a ball screw element, a shaft coupling, a flywheel and a slide rail, wherein the ball screw element comprises a screw shaft, a ball nut and balls; the ball nut is in contact connection with the screw shaft; the balls slide between the screw thread of the screw shaft and the internal track of the ball nut; the mass block is fixedly connected with the ball nut; the screw shaft is connected with the shaft coupling; and the shaft coupling drives the flywheel to rotate. The ball screw type inertial container can realize greater equivalent inertia through smaller physical mass, has adjustability and can be applied to various scenes. The application also introduces a one-way rotation modulator, which can ensure one-way rotation of the flywheel, widen the vibration absorption frequency band, and improve the stability, reliability and vibration control performance of the device.

The present invention provides a vibration-damping member that can change its vibration absorption characteristics according to the amount of displacement of a displaced part that is displaced in response to vibrations from an operating device. [Solution] A vibration-damping member (1) is interposed between an operating device (2) and its support member to absorb vibrations of the operating device (2), comprising: a displacement portion (16) formed in the radial center of the vibration-damping member (1) that displaces in response to vibrations from the operating device (2); a vibration-absorbing portion (18) that extends radially outward from the displacement portion (16) and absorbs vibrations; and a regulating portion (20) formed radially outward from the vibration-absorbing portion (18) that restricts the radial displacement of the vibration-absorbing portion (18), wherein the vibration-absorbing portion (18) forms a plurality of elastic portions (28, 30) that change to different stiffnesses depending on the amount of displacement (D) of the displacement portion (16).

The utility model discloses a guide rod assembly of a tail door supporting structure, the tail door supporting structure and a vehicle, the guide rod assembly of the tail door supporting structure comprises a guide pipe and a guide rod, and at least part of the guide rod is movably connected in the guide pipe and can stretch and retract relative to the guide pipe; a vibration absorption part is arranged between the outer circumferential wall of the guide rod and the inner circumferential wall of the guide pipe, and the vibration absorption part is connected to one of the guide rod and the guide pipe and can axially move relative to the other one. According to the guide rod assembly of the tail door supporting structure, the guide rod can stretch out and draw back relative to the guide pipe, the vibration absorption piece is arranged between the outer circumferential wall of the guide rod and the inner circumferential wall of the guide pipe, and therefore collision noise can be reduced and vibration can be absorbed in the movement process of the guide rod.

The invention relates to the field of vibration absorbers, and particularly discloses an inertia amplification quasi-zero stiffness vibration absorber based on mixed magnetic force negative stiffness regulation and control, which comprises a vibration absorber main body, the vibration absorber main body comprises a sleeve and a vibration absorption regulation module, and a lower bearing disc is arranged below the vibration absorption regulation module; a flexible spiral beam is arranged between the upper load disc and the lower load disc, a plurality of top permanent magnets are arranged in the upper load disc, two bottom permanent magnets are transversely and symmetrically arranged in the lower load disc, and four electromagnets are longitudinally and symmetrically arranged in the lower load disc. The permanent magnets without energy are used for providing main supporting repulsive force, electromagnet adjusting errors and compensation rigidity, compared with a pure electromagnetic scheme, the energy consumption and the heating value are reduced, only the passive upper permanent magnets are installed on the upper load disc, wires are prevented from being arranged on a high-speed rotating component, the cable winding risk and additional damping interference are eliminated, and the stability of the high-speed rotating component is improved. The reliability and the service life of the system are improved.

The invention relates to a multi-stage vibration isolation system for a space common-rack structure, belongs to the technical field of aerospace, and is applied to each inflatable structure of a central satellite. The multi-stage vibration isolation system comprises any two or three of a superstructure vibration absorption unit, a variable speed control moment gyroscope and a superconducting electromagnetic non-contact vibration isolation unit; through the superstructure vibration absorption unit, vibration caused by structure spinning and a high-order mode, vibration transmission near a driven propagation source and an equidistant point can be restrained, through a variable speed control moment gyroscope, an accurate active control moment is generated, and active damping and stabilization of the overall attitude and low-frequency rigid body vibration are achieved; non-linear rigidity is provided through the superconducting electromagnetic non-contact vibration isolation unit, micro-vibration before and after suppression of other two stages can be effectively isolated, function complementation, hierarchical progressive and multi-physical field coupling are achieved among unit structures, and system-level performance jump exceeding linear superposition is generated after integration of the unit structures, the superconductive electromagnetic non-contact vibration isolation unit and the superconductive electromagnetic non-contact vibration isolation unit and the superconductive electromagnetic non-contact vibration isolation unit.

The low-noise non-negative-pressure water supply system comprises a base, a supporting plate, a buffering mechanism and a pressurizing mechanism are arranged on the upper end face of the base, the buffering mechanism and the pressurizing mechanism are installed on the left side of the supporting plate, a water pumping mechanism is arranged on the buffering mechanism, and a water storage tank is arranged on the supporting plate; the water storage tank is connected with the water pumping mechanism, the water storage tank is connected with the pressurizing mechanism, a buffering mechanism is arranged below the water pumping mechanism, vibration generated in the operation process of the water pumping mechanism is absorbed through a buffering spring, and the springback speed of the buffering spring after vibration absorption is reduced through friction between a buffering block and the side face of a buffering table; a certain damping effect is achieved, and noise generated in the operation process of the water supply equipment is effectively reduced.

The invention discloses a high-altitude punching and reaming device which comprises a fixing module, a positioning module and a mounting module, wherein the fixing module is constructed to be an external foundation used for fixing, the positioning module is arranged on the fixing module and used for providing a guiding or positioning reference, and the mounting module is arranged on the positioning module in an adjustable or fixable mode and used for bearing a working part or a load. The driving unit is detachably connected to the mounting module through a quick disassembly mechanism and used for providing power for a working part or a load, a drainage plate does not need to be repeatedly disassembled and assembled, accurate hole opening is directly and quickly completed at high altitude, a distance adjusting guide rail and sliding table combined structure ensures the consistency of hole distances, hole deviation and error holes are avoided, the labor intensity is reduced, and the working efficiency is improved. The support spring vibration absorption design enables the drilling process to be more stable, reduces high-altitude operation time, can be controlled and operated by a single person, is suitable for drainage plates and wire clamps of various models, meets different field requirements, is portable, light in weight, compact in structure, convenient to disassemble and assemble, and suitable for high-altitude carrying and narrow operation space.

The utility model relates to the technical field of jacking transplanting mechanisms, and discloses a jacking transplanting mechanism which comprises a cabinet body, a limiting groove is formed in the cabinet body, supporting rods are fixed to the periphery of the bottom of the cabinet body, a connecting plate is fixed to the bottoms of the supporting rods, a rubber pad is fixed to the bottom of the connecting plate, and a transplanting assembly is arranged on one side of the limiting groove. A lifting assembly is arranged on one side of the transplanting assembly, vibration is buffered through a rubber pad at the bottom of a connecting plate, the rubber pad has good vibration absorption and reduction performance, vibration force can be effectively absorbed and dispersed, goods are protected against damage, vibration transmission of the goods during mechanism operation can be effectively reduced, and the more stable and smooth transportation process is provided; meanwhile, a limiting plate and a rubber plate are fixed to the top of the supporting frame, the limiting plate is used for shielding the goods during lifting, the goods are prevented from exceeding the safety range, the rubber plate prevents damage caused by contact between the goods and the limiting plate, and the damage risk of the goods is reduced.

The utility model relates to a dynamic vibration absorber for an OCT (optical coherence tomography) appearance detection mechanism for a lens, which is provided with a vibration absorption base and a mass block, a vibration absorption screw is erected on the vibration absorption base, a through groove is arranged on the mass block, the mass block is slidably arranged on the vibration absorption base through matching of the vibration absorption screw and the through groove, and vibration absorption gaskets are arranged on two sides of the mass block. Each vibration absorption gasket is arranged on the vibration absorption screw rod in a sleeving manner, a vibration absorption spring is arranged between each vibration absorption gasket and the mass block, each vibration absorption spring is arranged on the vibration absorption screw rod in a sleeving manner, the two ends of each vibration absorption spring act on the mass block and the vibration absorption gasket respectively, and an adjusting nut is arranged on the vibration absorption screw rod. The two vibration absorption gaskets are arranged between the two oppositely-arranged adjusting nuts, the vibration absorption gaskets are arranged between the vibration absorption springs and the adjusting nuts on the corresponding sides, and after the mass block is vibrated on the vibration absorption base, the vibration absorption springs reversely apply force to the mass block through continuous force application of the vibration absorption springs. The device is ingenious in structure, convenient and practical.