164 results about "Vibration treatment" patented technology

The invention provides an expectoration auxiliary control method and device. The method comprises the steps that audio signals of breathing sounds and cough sounds at multiple positions of the chest of a patient are collected through an audio sensor array, and a standardized audio feature data set is obtained through noise reduction, segmentation and feature extraction; a dynamic weighted graph model is constructed, and a random edge sampling algorithm and a parallel batch processing dynamic algorithm are combined to analyze and obtain a sputum viscosity index and a sputum distribution position map; based on the result, mapping the vibration parameter space into an unweighted disk diagram, and obtaining a personalized vibration treatment scheme by using a shortest path algorithm; in combination with the real-time breathing cycle of the patient, working parameters of the sound wave vibrator and the negative pressure suction device are synchronously controlled, and a coordinated and consistent multi-mode treatment execution instruction is obtained; and collecting real-time feedback data in treatment, and dynamically adjusting working parameters through reinforcement learning to obtain an optimized expectoration adjuvant therapy scheme. Intelligent adjustment can be achieved based on the real-time breathing state and sputum characteristics of the patient, the expectoration efficiency is improved, and discomfort of the patient is reduced.

The invention discloses a building cement floor construction leveling device, and relates to the technical field of cement floor construction, the building cement floor construction leveling device comprises a scraping plate, a vibration support is installed in the middle of the scraping plate, a vibration motor is installed on the vibration support, and an operation frame used for moving the leveling device is further installed on the vibration support; the lifting mechanism is installed on the rear side of the scraping plate, the lifting mechanism comprises a fixed plate and a lifting plate, and the lifting plate can do lifting motion relative to the fixed plate; the plurality of movable mounting mechanisms are mounted on the lifting plate and are used for movably mounting the vertical vibration mechanism; through cooperative arrangement of the lifting mechanism, the movable mounting mechanism and the vertical vibration mechanism, internal vibration treatment of thick cement pavement slurry can be achieved, exhaust of gas in the cement slurry is promoted, and the construction quality of leveling of the thick cement pavement can be improved in combination with scraper vibration leveling.

The invention belongs to the technical field of rolling bearing manufacturing, and discloses a preparation method of a high-precision robot turntable bearing, which comprises the following steps: applying a static load simulating a preset working load to a bearing ring workpiece subjected to heat treatment, and executing a set of closed-loop acoustic vibration treatment on the workpiece in a state of keeping the static load, the processing can dynamically track the resonant frequency of the workpiece to update excitation, can monitor acoustic response characteristic parameters of the workpiece in real time, and automatically terminates when the time change rate of the parameters meets a stable condition. According to the method, the specific directivity is provided for the stress release process driven by acoustic vibration energy, so that an original disordered residual stress field in a workpiece forms an optimized form capable of actively adapting to future working loads, and the problem that the static geometric precision and the dynamic service precision of a bearing are inconsistent in a traditional process is solved.

The invention belongs to the technical field of medical treatment, and discloses an osteoarthritis rehabilitation auxiliary device and system, and the device comprises an intelligent vibration treatment module, a pressure sensor and biological feedback module, an intelligent control and APP remote management module, a pressure sensor, an accelerometer, and a myoelectricity sensor. The joint pain is relieved, vibration can stimulate sensory nerves, pain signal transmission is reduced, and the pain degree is reduced. Vibration promotes secretion of joint fluid, friction is reduced, and the range of motion is improved. Low-frequency vibration stimulates the activity of cartilage cells, and cartilage degeneration is slowed down. And a biological feedback system is intelligently regulated and controlled, so that the treatment accuracy is improved. Non-invasive treatment is achieved, and no side effect exists; gastrointestinal discomfort caused by drug treatment or high cost of long-term physical treatment is avoided. Remote monitoring is achieved, compliance is improved, a patient can be treated at home and does not need to see a doctor frequently, and medical cost is reduced.

The invention relates to an optical fiber vibration processing method and system, computer equipment and a medium, and the method comprises the steps: obtaining the historical vibration times of each vibration sensing unit of an optical fiber in a sliding time window when the optical fiber vibrates; determining a first target unit of which the historical vibration frequency is greater than a first preset frequency from each vibration sensing unit; determining a first historical vibration frequency of a plurality of adjacent vibration sensing units of the first target unit in the sliding time window; accumulating each first historical vibration frequency and a second historical vibration frequency of the first target unit to obtain an actual vibration frequency, and determining the vibration sensing unit corresponding to the maximum value in the first historical vibration frequency and the second historical vibration frequency as a second target unit; the second historical vibration frequency is the historical vibration frequency of the first target unit in the sliding time window; and when the actual vibration frequency is greater than a second preset frequency, determining that the second target unit vibrates. By adopting the method, the vibration sensing unit can be accurately positioned, and false alarm can be prevented.

The invention discloses a raw material screening device for spicy seasoning processing, and relates to the technical field of raw material screening, the raw material screening device comprises a shell, a screening assembly, a material receiving assembly, a material blocking assembly and a discharging assembly, the top of the shell is provided with a top cover, the top of the top cover is fixedly connected with a first motor, and the output end of the first motor penetrates through the top cover and extends to the lower side. Raw materials are rotated at the plane position of the rotating disc to achieve multi-stage screening, the whole structure of the device is compact, the occupied space is small, the vibration mechanism composed of the second motor, the second rotating shaft and the eccentric wheel is installed at the position of the blocking cover, the vibration mechanism can conduct vibration treatment on an outer frame at the current screening position, and the screening efficiency is improved. The vibrating force can accurately act on the screening position of raw materials, the screening efficiency is improved, the acting range of the vibrating force is small, a motor with small power can be used, and the machining cost is saved.

The utility model provides air brick compression molding equipment, which relates to the technical field of air bricks and comprises a base, a positioning hole is arranged on the base, a positioning block is inserted into the positioning hole, a bottom plate is fixedly connected to the top of the positioning block, a plurality of first mounting holes are arranged on the bottom plate, a top plate is fixedly connected to the base, and a plurality of second mounting holes are arranged on the top plate. A plurality of second mounting holes are formed in the top plate, a pair of forming cylinders are connected to the bottom plate in a clamped mode, the pair of forming cylinders are fixedly connected through bolts, and a film penetrates through the first mounting holes. According to the air brick vibration treatment device, a straightened film can be fixed through the arranged fixing clamp, and the fixing clamp is clamped and mounted on the limiting hole through the limiting clamp, so that in the vibration treatment process, the fixing clamp does not shake to cause displacement of the film, and a slit formed after the air brick is formed does not deform; the passing effect of inert gas of the air brick and the yield of the air brick are improved.

The invention relates to the technical field of bauxite flotation, and discloses a bauxite flotation device which comprises a base, a telescopic rod is installed at the top of the base, a spring is installed on the outer ring of the telescopic rod, and a workbench is fixedly connected to the top of the spring; the vibration mechanism is mounted at the top of the base and used for vibration treatment of the workbench; and the working mechanism is installed on the top of the workbench and used for the normal flotation process. Through cooperation of the telescopic rod arranged at the bottom of the workbench and the spring and cooperation of the vibration mechanism composed of the driving motor, the cam and the cam base, high-frequency micro-amplitude vibration can be actively generated in the flotation process and after operation is finished, mineralized foam or residual chemicals attached to the inner wall of the workbench are effectively stripped through inertia force, and the flotation efficiency is improved. The wall sticking phenomenon is obviously reduced.

This utility model relates to the field of vibrator technology, and more particularly to an anti-deviation electric vibrator. The technical solution includes a vibrator body, a handle on the outer wall of the vibrator body, and a vibrating head at the output end of the vibrator body; a mounting ring fixedly attached to one end of the vibrator body, the mounting ring being sleeved with the vibrating head, and an anti-deviation component for positioning the vibrator on the mounting ring. This utility model ensures that the vibrating head remains on a preset working path during operation, preventing easy lateral slippage or angular deviation, allowing the vibrating head to accurately act on the target area, ensuring that every area requiring treatment receives sufficient and uniform vibration treatment.

The present invention relates to the technical field of conductive adhesives, and in particular to a flexible conductive adhesive based on graphene doping and a preparation method thereof. The present invention overcomes the shortcomings of poor electrical conductivity and poor thermal conductivity of existing adhesives. The present invention is prepared by mixing epoxy resin, carboxyl-terminated liquid nitrile rubber, and 1,4-butanediol diglycidyl ether, and then adding a modified epoxy resin and continuing to mix to obtain a mixed system; adding nano-alloy to the mixed system and mixing it, and then performing a first-stage high-shear dispersion to obtain a primary mixture; adding a few-layer graphene and a silver powder mixture to the primary mixture and stirring, and then performing a second-stage high-shear dispersion, low-frequency vibration treatment, and vacuum degassing treatment to obtain a flexible conductive adhesive; wherein, the modified epoxy resin is prepared from modified graphene oxide and epoxy resin; and the modified graphene oxide is prepared from graphene oxide and a silane coupling agent. The adhesive prepared by the present invention has strong electrical conductivity and thermal conductivity and is suitable for bonding components of optical communication equipment.

This invention discloses a vibration control method for an adjustable-blade axial-flow induced draft fan, comprising a center alignment component and an opening measurement component. The beneficial effects of this invention are: by using the center alignment component and the opening measurement component, the center alignment value of the coupling and the opening size of the coupling wheel can be accurately measured, thereby allowing adjustment of the center alignment allowance expansion value and optimization of the coupling wheel opening size based on the values ​​given in the manufacturer's instructions. Furthermore, by conducting a dynamic balancing test on the intermediate shaft and using counterweights to minimize the disturbance effect of the long shaft, the influence of the long intermediate shaft connecting the fan impeller and the motor is eliminated, simultaneously reducing the vibration of the induced draft fan and its motor. This ensures that the vibration of the induced draft fan reaches a qualified level under high-load conditions above 47Hz, improving the safety, reliability, and economic performance of the equipment.

The utility model discloses an anti-caking empty drum glue storing and stirring device, which relates to the technical field of empty drum glue storage, and comprises a storage tank, a stirring mechanism, a vibration mechanism, a ventilation mechanism and a controller. Stirring and vibration treatment can be conducted on the interior of the storage tank regularly, through the combined action of stirring and vibration, particles are effectively prevented from being coagulated into blocks, the material fluidity is improved, meanwhile, it is ensured that colloid components are kept uniform, the quality and consistency of construction materials are improved, the number of times and strength of manual treatment can be reduced through automatic stirring and vibration, and the construction efficiency is improved. And through cooperative use of the ventilation mechanism and the controller, ventilation treatment can be conducted on the interior of the storage tank at regular time, the humidity in the storage tank is reduced through air flow, colloid is prevented from caking due to moisture absorption, and therefore the colloid anti-caking effect is further improved.

The utility model discloses large-flow concrete segregation rate test equipment, which comprises a rack, a sieve shaker and a jumping table, the rack comprises a base, a sliding trolley and a lead screw lifting mechanism, the sieve shaker and the jumping table are respectively arranged on the base, the sliding trolley is arranged in a track of the base, the lead screw lifting mechanism is arranged on the sliding trolley, a clamping mechanism is arranged on the lead screw lifting mechanism, and the jumping table is arranged on the clamping mechanism. The jumping table is provided with a detection cylinder, the detection cylinder comprises a plurality of stacked cylinder bodies, the clamping mechanism is used for clamping the cylinder bodies, the cylinder bodies are provided with driving devices and turning plate assemblies, the turning plate assemblies are located in the cylinder bodies, the driving devices are located outside the cylinder bodies, and the driving devices are connected with the turning plate assemblies. When a concrete sample is screened, each section of the cylinder body of the detection cylinder can be automatically closed by virtue of the turning plate assembly, so that the screw rod lifting mechanism can conveniently move the cylinder body to the vibration screening machine through the clamping mechanism, and in the process, the turning plate assembly can prevent the concrete sample from leaking from the cylinder body.

The utility model belongs to the technical field of steel slag treatment, and particularly relates to a device for recovering metal from steel slag through reduction. The device for recovering metal through steel slag reduction comprises a reaction tank and a vibration generating device, liquid steel slag to be subjected to reduction reaction is contained in the reaction tank, the reaction tank is arranged on the vibration generating device, and the vibration generating device drives the reaction tank to vibrate. According to the utility model, the reaction tank is arranged on the vibration generation device, so that fine iron powder obtained by a reduction reaction can be gathered into iron particles by adopting vibration treatment after the reduction reaction of liquid steel slag, and the larger the particles are, the lower the oxidation degree is, so that the reduction effect is guaranteed; the problem that the recovery rate is reduced due to the fact that metal iron is oxidized again in the follow-up treatment process is solved.

The utility model discloses a concrete mixer, which relates to the technical field of mixers and comprises a base used for supporting and mounting components; the supports are installed on the upper portion of the base, a container is installed between the supports, and the height of the container is smaller than that of the supports; the double-shaft motor is installed on the surface of the container, a stirring assembly located in the container is installed at one end of the double-shaft motor, and a pushing assembly is installed at the other end of the double-shaft motor; the concrete stirring device comprises a support, a driving motor and a connecting rod, the connecting rod is connected between the supports, and a knocking and vibrating assembly capable of moving around the axis of the connecting rod is installed on the surface of the connecting rod. The concrete stirring device has the advantages that when concrete is stirred through the stirring assembly, power generated by the driving motor can be transmitted to the position of a movable part through a cam; at the moment, the knocking part at the lower end of the movable part can perform cyclic and regular knocking vibration treatment on the container under the action of the elastic part, so that attachment of concrete to the container is reduced.

The application discloses a method for preparing large-size rare earth barium copper oxygen superconducting target material and relates to the technical field of superconducting target material preparation. The method realizes the compatibility of a single set of molds with various specifications of target materials by optimizing the design of cold isostatic pressing molds, adopting a composite mold structure comprising upper and lower cover plates, a cylinder, isolation pads, a replaceable elastic lining and a clamp, and can press multiple target materials at a time by setting multiple isolation pads, and is suitable for the preparation of target materials with a diameter of 8-12 inches and a thickness of 10-20 mm. The preparation process comprises the following steps of mold assembly, superconducting powder filling and vibration treatment, segmented pressure cold isostatic pressing treatment, blank shaping, oxygen atmosphere sintering and grinding machine processing. The mold generality design and batch pressing technology of the application significantly improve the production efficiency, reduce the mold cost and powder loss, and at the same time, ensure the density (relative density 80%-85%) and surface flatness (less than or equal to 0.5 mm) of the target material, and meet the strict requirements of large-size target materials for high-end superconducting thin film preparation such as pulsed laser deposition.

The portable controllable suspension vibrator for rehabilitation is installed on a rope of a suspension instrument and comprises a shell, a vibration motor and two vibration plates, the vibration motor is arranged in the shell, and the two vibration plates are symmetrically arranged at the two ends of the shell and extend in the length direction of the shell; the front end faces of the two vibration plates are each provided with a connecting piece, and the two connecting pieces are symmetrically arranged and detachably connected with the corresponding ropes. According to the utility model, the suspension apparatus of the rehabilitation training device is connected with the vibrating plate through the rope, the vibrating plate is vibrated through the vibrating motor, and the vibration is transmitted to a patient on the rehabilitation training device through the rope, so that the patient is subjected to vibration treatment, and the rehabilitation training device is used for assisting in treating neuromuscular diseases, relieving pain, activating muscle functions and the like. The device is externally connected to the rehabilitation training device and can be adjusted according to the requirements of a patient, the structure of an original rehabilitation training device does not need to be changed, installation is convenient, and cost is low.

The utility model discloses a kind of drying kiln tail gas waste heat recovery and material preheating system, including material storage tank, the inner chamber of the material storage tank is fixedly connected with multiple equidistant distribution heat exchange plate, and the periphery of material storage tank bottom is fixedly connected with spring. The utility model preheats the material to be preheated from feed inlet to material storage tank, when tail gas enters heat exchange plate from air inlet pipe, heat exchange treatment with material can be carried out, so that material preheating treatment can be carried out, and in this process, third motor can be controlled to rotate, under the cooperation of first gear, second gear can be driven to rotate, and under the cooperation of spring, sleeve and slide bar, oscillating plate can be made to knock material storage tank, so that material vibration treatment can be carried out, control hydraulic rod telescoping, under the cooperation of adjusting rod, the position of material storage tank can be adjusted, so that material shaking treatment can be carried out, further improve the heat exchange efficiency of material and tail gas.

The invention relates to the technical field of feeding devices, in particular to an automatic feeding device for steel bar saw cutting, threading and cage welding numerical control equipment, according to the technical scheme, the automatic feeding device comprises a transmission assembly, a saw cutting assembly, a bottom plate and a vibration assembly, and a storage frame is fixedly installed at the position, close to the front face, of the top of the bottom plate; a cutting and sawing assembly is fixedly installed on the back face of the material storage frame. A conveying assembly is fixedly installed on the back face of the cutting and sawing assembly. A vibration assembly is fixedly installed on the back face of the transmission assembly. The vibration assembly is installed between the conveying assembly and the cutting and sawing assembly, steel bars can be subjected to vibration treatment before being cut and sawed, the steel bars which are originally overlapped with one another are shaken to be scattered under the high-frequency vibration effect and flatly laid on the same horizontal plane, the steel bars can be conveniently taken and machined one by one in the follow-up process, and the machining efficiency is improved. And therefore, the steel bar conveying and machining efficiency of the device can be improved, and the situation that the internal structure of the device is blocked and damaged by crossed and stacked steel bars is avoided.

The application discloses a high-precision ground leveling device with controllable flatness, and relates to the technical field of ground construction equipment. The application can adjust the height of the driving frame, and then adjust the height of the leveling frame; can realize multiple height leveling treatment of ground construction materials, can effectively ensure high precision of ground leveling processing, and can further strengthen the leveling treatment of ground construction materials; when the leveling frame is driven to move from left to right, the center of gravity of the leveling frame continuously swings left and right, the leveling roller performs regular vibration treatment on the ground construction materials, the surface of the leveled ground has regular indentations, appropriate treatment methods can be selected according to different requirements, and then the flatness of the ground leveling treatment can be controlled.

The application discloses a powder sintering equipment and method convenient for discharging, relates to the technical field of powder sintering, and comprises a powder sintering processing box and a laser forming cylinder arranged at one side of the bottom of the powder sintering processing box; further comprises a hollow powder conveying box, a driving unit, a pair of mixing assemblies, a grinding assembly, a linkage unit, a discharging unit, a pair of trigger blocks and a compacting unit; the hollow powder conveying box is arranged in the powder sintering processing box; a discharging port for injecting metal powder into the powder conveying box is formed in the top of the powder sintering processing box. The synchronous processing of fine grinding and mixing of various metal powders is realized, the grinding and mixing are alternating, and timely vibration treatment is carried out along with the discharging process of the metal powder, so that the quality of the metal powder forming processing is improved, the continuity and forming efficiency of the metal powder discharging processing are met.

A method for manufacturing prefabricated elements that reduce railway noise, comprising: in a first stage, a reinforcing frame is inserted into a steel mould with a plastic matrix placed at its bottom for shaping a grooved profile on the open surface of the element; then, in a second stage, the mould is filled with a known concrete mix with porous aggregate while subjecting the concrete mix to a vibration process and manually spreading and leveling it; in a third stage, the open surface of the prefabricated element is covered with a polyethylene foil to carry out the concrete curing process; in a fourth stage, the prefabricated element is demolded, rotated by 180° and transferred to a surface treatment station, characterized in that in a fifth stage of manufacturing the prefabricated element (1), the prefabricated element (1) is vertically mounted on a surface treatment station;in the sixth stage of manufacturing the prefabricated element (1), the pores (3) of the aggregate are exposed by rotary longitudinal grinding of the prefabricated element (1), removing the outer layer to a depth of 1 - 3 mm, to expose the closed pores (3) of the porous aggregate;

The invention provides a vibration processing and designing method and device for an axial flow pump and electronic equipment. The vibration processing and designing method and device for the axial flow pump are characterized in that an excitation source of high-frequency vibration comes from a standing wave in a guide vane; the method comprises the steps that if the ratio of the sound standing wave frequency on the guide vane blade to the inherent frequency of one of the vibration modes of the guide vane blade under the working condition is smaller than a preset threshold value, mechanical parameters of the guide vane blade are changed so as to change the inherent frequency of the guide vane blade, for example, the part length of the guide vane blade is cut off, therefore, the staggering rate between the sound standing wave frequency and the inherent frequency of the guide vane blade can be increased, resonance is avoided, the amplitude of hydraulic excitation caused by the fact that the distance between the impeller and the guide vane is too close can be reduced, and the vibration response of the blade is reduced. The other method comprises the steps that the ratio of the inherent frequency and the sound standing wave frequency of each mode of the guide vane blade is adjusted to reach the preset threshold value in the design stage of the axial flow pump, and the problems of high-frequency vibration and noise of the axial flow pump are solved from the design link.

The utility model relates to the technical field of electrophoresis liquid purification, in particular to a device for purifying automobile coating pretreatment tank liquid, which comprises a membrane purification mechanism, a rough removal mechanism and a barrel cover are sequentially mounted above the membrane purification mechanism, a stirring motor is mounted above the barrel cover, and linkage mechanisms are arranged on two sides of the stirring motor. The membrane purification mechanism comprises a membrane purification barrel and an ultrafiltration assembly, and the ultrafiltration assembly is used for membrane filtration electrophoresis tank liquid; the coarse removal mechanism comprises a coarse treatment cylinder, a bearing seat, a connecting channel and a baffle ring, and a metal filter bag is mounted above the bearing seat and used for coarsely filtering large-particle impurities in tank liquid. According to the utility model, the stirring motor is used for driving the linkage mechanism to perform vibration treatment on large-particle impurities coarsely filtered out in the metal filter bag, so that the metal filter bag can continuously perform coarse filtration treatment on tank liquid, the working efficiency can be improved, and the maintenance period can be prolonged.

This invention relates to the field of glass manufacturing, specifically disclosing an apparatus and method for manufacturing electrofused quartz glass. The apparatus includes a support frame, a melting component mounted on the support frame, a clamping component mounted on the melting component, a clamping component within the support frame, and a limiting component adapted to the clamping component on the melting component. A actuating component for moving the clamping component is disposed between the clamping component and the limiting component. This invention enables simultaneous installation of the melting and vibrating portions of the melting component, and asynchronous disassembly of the melting and vibrating portions during disassembly. Furthermore, vibration treatment is performed before the melting stage to reduce gaps and air bubbles, improving product quality. During cooling and demolding, uniform vibration of the melting component facilitates product removal, achieving a synergistic effect between the vibration and cooling / demolding processes, thereby maximizing the efficiency of the structural design.

The present application relates to the technical field of paint detection, and particularly relates to a paint redispersion performance test method. The method comprises the following steps: centrifuging paint of a preset volume loaded in a centrifuge cylinder; obtaining the thickness of the hard bottom of the initial paint; adjusting the centrifugation parameters based on the thickness of the hard bottom, or generating test paint by performing vibration treatment; pouring out the test paint and taking out the magnetic vibration block, obtaining the area proportion of the hard block by image scanning, and generating a dispersion representation coefficient based on the area proportion of the hard block and the vibration frequency; when the paint redispersion does not meet the preset standard based on the dispersion representation coefficient, increasing the vibration time, or collecting the image of the remaining hard bottom at the bottom of the centrifuge cylinder to calculate the hard bottom damage value; and determining that the reason why the paint redispersion does not meet the preset standard based on the hard bottom damage value includes insufficient dispersant and collapse of the additive system. The present application effectively detects whether the paint redispersion meets the preset standard, and improves the accuracy of the paint redispersion performance test.

Integrated device for the non-invasive personalised treatment of skin blemishes includes: a handpiece for performing a percussive treatment on the body / face, causing a microtrauma on the wrinkle furrow, facilitating the natural recovery and the reduction of the wrinkle depth; a handpiece for carrying out an ablative micro-vibration treatment on the body, suitable to expand or compact the cutaneous tissue by alleviating wrinkles, stretch marks and scars with an exfoliating effect; a handpiece for performing a compressive micro-vibration treatment on the face, expanding the pores of the epidermis; a device for adjusting the rotation and vibration of the handpieces; an electric energy absorption sensor for each handpiece, communicating the detected data to a control unit which acts on the frequency adjustment devices obtaining a variation in the rotation and vibration frequency of the rotors, depending on the mechanical strength of the skin tissue; a communication interface.

The application provides a pole piece manufacturing system, a pole piece manufacturing method and a secondary battery. The pole piece manufacturing system comprises a piece manufacturing mechanism, a vibration mechanism and a rolling mechanism. The piece manufacturing mechanism is configured to form a pre-drying pole piece. The vibration mechanism is arranged downstream of the piece manufacturing mechanism. The vibration mechanism is configured to perform vibration treatment on the pre-drying pole piece. The rolling mechanism is arranged downstream of the vibration mechanism. The rolling mechanism is configured to perform rolling on the pre-drying pole piece after the vibration treatment. The application effectively improves the packing density of the particles in the pre-drying pole piece through the vibration treatment on the pre-drying pole piece, thereby effectively improving the ultimate compaction density of the pole piece.

The invention relates to the technical field of cast-in-place box girder construction, in particular to a prefabricated box girder prestress linear control tool and an overall cluster penetrating method.The prefabricated box girder prestress linear control tool and the overall cluster penetrating method are characterized in that vibration treatment is conducted when concrete pouring reaches the preset thickness, and a vibration area is divided into a plurality of vibration sub-areas; screening the vibration risk sub-regions according to the comparison condition of the surface characteristic parameters of the plurality of vibration sub-regions, determining a plurality of crack vectors based on the crack outlines of the vibration risk sub-regions, and determining the linear characterization parameters of the vibration risk sub-regions according to the similarity of the crack vectors so as to determine the cluster penetrating track state of the steel strand cluster penetrating. According to the method and the device, the adjusting mode for carrying out steel strand overall cluster penetrating on the prefabricated box girder is selected based on the cluster penetrating track state, then the distribution state of the corrugated pipes is obtained in real time, the overall cluster penetrating mode of the prestressed steel strands is adaptively adjusted in the construction process of the prefabricated box girder, and the overall cluster penetrating quality and efficiency of the prestressed steel strands are improved.

The present invention discloses a withstand voltage testing device for bolt-type capacitors with a limit function, which relates to the technical field of withstand voltage testing devices for bolt-type capacitors. It includes a housing, in which a current collecting cylinder is installed. Below the current collecting cylinder, a sieve plate is installed to screen the bolt-type capacitors. A fixed shaft is installed in the middle of the sieve plate. Below the sieve plate, a plurality of conveying cylinders are installed. Below the conveying cylinders, a partition plate is installed. Below the partition plate, a cam is installed. Outside the cam, a detection cylinder is installed. Inside the detection cylinder, a first conductive plate and a second conductive plate are installed. Below the detection cylinder, a blanking pipe is connected. The blanking pipe is respectively connected to a defective product box and a non-defective product box. While the sieve plate reciprocates up and down, it rotates forward and backward. The up and down movement of the sieve plate forms rapid up and down vibration, and the forward and backward rotation of the sieve plate forms rapid left and right vibration. Through the combined vibration treatment of up and down vibration and left and right vibration, the sieve plate drives the bolt-type capacitors to vibrate rapidly, realizing the screening of bolt-type capacitors to improve the testing efficiency.