24results about How to "Increase vibration amplitude" patented technology

The utility model provides a continuous oil pipe injection bridge plug combined tool, and relates to the technical field of oil exploitation equipment. The continuous oil pipe injection bridge plug combined tool comprises an oil pipe connector, a hydraulic release, a centralizer, a positioner, a spray gun, a feeding and sealing tool and a bridge plug which are sequentially arranged. The positioner comprises a main body and a plurality of positioning parts, the multiple positioning parts are arranged on the circumferential side of the main body in a circumferential array mode along the axis of the main body, and the positioning parts are elastically connected with the main body; the positioning part comprises a first protrusion and a second protrusion which protrude in the direction opposite to the axis of the body, the first protrusion is close to the centralizer, the second protrusion is close to the spray gun, and the vertical distance from the end of the first protrusion to the axis is not larger than the vertical distance from the end of the second protrusion to the axis. The range defined by the multiple first protrusions can be larger than the inner diameter size of the sleeve. According to the technical scheme, hanging load fluctuation can be more obvious, and therefore accurate positioning can be achieved in the air-tight seal casing pipe.

The utility model discloses an integrated intelligent variable frequency air conditioner special for a granary, and relates to the technical field of granary air conditioners. The air conditioner comprises an air conditioner body, a cleaning anti-blocking assembly and a vibration dust removal assembly, the front side of the air conditioner body is fixedly connected with a mounting frame, the front side of the mounting frame is fixedly connected with a filter screen, and the cleaning anti-blocking assembly comprises two electric push rods. Through the cleaning anti-blocking assembly, the electric push rod is used for driving the cleaning shell to move back and forth along the surface of the filter screen, the scraping piece is driven to swing to scrape dust accumulated on the surface of the filter screen, the dust blocking mechanism is matched to block and collect raised dust, secondary pollution is avoided, and the automatic cleaning function of the filter screen is achieved; the problem that a traditional filter screen needs to be frequently shut down for cleaning is solved, the manual maintenance frequency is reduced, smooth air inlet of the air conditioner body is guaranteed, heat exchange efficiency reduction and energy consumption increase caused by filter screen blockage are prevented, meanwhile, the reset mechanism enables the scraper to automatically reset through the elastic effect of the torsional spring, and it is guaranteed that scraping and sweeping actions are coherent and efficient.

The bar screen for the vibrating screen comprises a main frame, mounting plates are fixed to the left end and the right end of the outer wall of the main frame, limiting columns are vertically embedded into the front end, the rear end, the left end and the right end of the interior of the main frame, inner sliding blocks are embedded into the middles of the limiting columns, and return springs are embedded into the upper ends and the lower ends of the outer sides of the limiting columns. Supporting plates are fixed to the ends, close to the middle of the main frame, of the limiting columns, bar columns are embedded into the main frame, fixing plates are embedded into the front, rear, left and right ends of the upper portion of the inner wall of the main frame, limiting plates are fixed to the bottoms of the fixing plates, and limiting bolts are vertically embedded into the middles of the fixing plates. When the bar screen is installed on a vibrating screen, the vibration amplitude is larger, materials can rapidly move and roll over on the surface of the bar screen, the speed of passing through screen holes is increased, then the screening efficiency of the materials is improved, meanwhile, the bar columns can be rapidly replaced and overhauled, and use is more convenient.

The utility model discloses a kind of for wind power blade polishing device, it is related to polishing device technical field.The utility model includes placing table, and the placing table provides stable support base for integral equipment, further include polishing mechanism, and the polishing mechanism is set on placing table top.The utility model is through setting dust collection component, specifically in the process of rotating shaft rotation will be through driving gear to drive several driven gears to rotate together, in the process of several driven gears rotation will be through several impellers rotation to produce powerful airflow to make dust hood inside present negative pressure state, at this time dust generated in the process of polishing disc polishing is inhaled into dust hood inside, reduce dust height dispersion, and diffuse in the whole working environment, to reduce the influence to operator's vision, reduce working difficulty and risk, also reduce dust to spread to surrounding environment, reduce the influence to surrounding environment.

The utility model relates to the technical field of vegetable grading, provide vegetable grading screening machine, including the organism, the bottom one side of organism is uniformly fixed with the discharge plate, one side of the organism is provided with the placing table, the top of placing table is uniformly provided with the collection frame, the below of the organism is provided with the support. The utility model discloses is provided with the dismantling structure, when the baffle is located in the direct below of the movable slot, the grading plate is placed on the top of support plate at this moment, and the baffle will pass through the inside of movable slot, rotates the handle again, makes the baffle and movable slot and dislocation, under the effect of antiskid pad, increase the friction between baffle and connecting plate, under the limiting effect of baffle, avoid the connecting plate and organism to separate, when reverse operation, the convenient grading plate of dismantling replacement, has realized the function that the device is convenient for replacement grading plate to improve the applicability of this vegetable grading screening machine when using.

This invention discloses a super-linear loudspeaker and its manufacturing method, comprising a square bar-shaped loudspeaker body that cooperates with a display screen. The loudspeaker body includes a support frame, which includes a first-stage frame that cooperates with a sound-generating unit and a second-stage frame that cooperates with a magnetic circuit unit. The first-stage frame and the second-stage frame are arranged in a stepped manner. The magnetic circuit unit includes a magnetic cup and a magnet disposed within the magnetic cup. The sound-generating unit includes a diaphragm disposed at the top of the first-stage frame and a voice coil that drives the diaphragm to vibrate. A magnetic gap is formed between the magnet and the sidewall of the magnetic cup to cooperate with the voice coil. A main frame is disposed between the voice coil and the diaphragm. The top of the main frame is fixedly connected to the diaphragm, and the bottom of the main frame is fixedly connected to the voice coil. By optimizing the loudspeaker shape, adding a small diaphragm structure welded to the back of the FPC, and optimizing the magnetic circuit structure, the low frequency is better during sound generation, and the power consumption, distortion, and space occupation are smaller, resulting in higher loudness.

The invention discloses a ship stern shaft multistage sealing device capable of preventing oil leakage, and relates to the technical field of sealing devices.The ship stern shaft multistage sealing device comprises a stern shaft tube, a plurality of bearings are arranged in the stern shaft tube, a stern shaft used for driving a propeller to rotate is arranged in the stern shaft tube in a sleeved mode, and sealing mounting shells are arranged at the two ends of the stern shaft tube correspondingly; a sealing device used for sealing the two ends of the stern shaft tube is arranged in the sealing installation shell, a triangular block at one end of a hydraulic push rod drives an extrusion ring to be adjusted in a small range, and the extrusion ring applies radial extrusion force to a spring sealing ring through a first wedge block and a second wedge block; the clamping force between the spring sealing ring and the stern shaft can be automatically adjusted through the hydraulic push rod according to the draft of a ship and the resistance of seawater, the sealing effect can be effectively improved, and lubricating oil is prevented from leaking; meanwhile, after the clamping force is adjusted, the stability of the tail shaft during rotation can be improved according to different resistances borne by the propeller.

This disclosure relates to the technical field of concrete transportation. One embodiment of this disclosure provides a vibratory unloading device for a concrete mixer truck, comprising: a receiving hood, an outer frame, and a sliding hopper. The sliding hopper is mounted on the outer frame, and a support column is rotatably connected to the outer frame. A vibratory discharge assembly is disposed between the support column and the sliding hopper. The vibratory discharge assembly includes a transmission groove, which is formed in the upper end of the support column. A transmission column is movably connected to the transmission groove. A connecting frame is provided at the bottom of the sliding hopper. An eccentric shaft is provided at the output end of the drive motor, and a connecting rod is rotatably connected to the transmission column via a pin. This technical solution solves the technical problem that existing vibratory unloading devices for traditional concrete mixer trucks generally use a vibratory motor as the power source. This transmission method has inherent defects such as low vibration frequency and amplitude, resulting in poor unloading effect and difficulty in meeting the unloading requirements of high-performance concrete.

The application provides a MEMS actuating cooling chip based on a double one-way valve open structure, and belongs to the technical field of micro-electro-mechanical systems. The cooling chip comprises a vibration assembly, a driving assembly and a sealing film. The vibration assembly comprises a vibration layer, the vibration layer comprises a central vibration piece and connecting pieces, and the connecting pieces are arranged on the outer circumferential side of the central vibration piece. The driving assembly is configured to drive the vibration assembly to vibrate, the driving assembly comprises a first substrate and a second substrate, the first substrate is configured in a ring shape, the connecting pieces are connected to the first side of the first substrate, the second substrate is arranged on the second side of the first substrate to enclose the first substrate and the second substrate to form a cooling cavity, the first substrate is provided with a first opening, and the second substrate is provided with a second opening. The sealing film can seal the gap between two adjacent connecting pieces. When the driving assembly drives the vibration layer to vibrate, the cooling cavity can suck in fluid through the first opening and spray out fluid through the second opening. The application has high heat dissipation efficiency.

The utility model provides a kind of feeding device for EVA hot melt adhesive production line, including blanking station, the bottom of blanking station is connected with receiving hopper, the bottom of blanking station is respectively provided with support leg, the top of blanking station is provided with conveying roller, the both ends of conveying roller are respectively fixedly connected with slide bar support plate, the bottom of slide bar support plate is fixedly connected with slide bar, the sidewall of blanking station is installed with multiple slide bar sleeves, and the one end of slide bar is respectively movably penetrated slide bar sleeve;The utility model is provided with conveying roller and blanking station, provides material package conveying platform, can realize the automatic feeding of raw material, reduces manual intervention, improves production efficiency.Simultaneously, by installing blade group board and cutting blade on receiving hopper top, material package bag can be cut and handled, and it is convenient to unload.In addition, the slide roller groove on the conveying plate and the slide roller design can stably convey the material package, effectively reduce the frictional resistance in the raw material transmission process, and ensure smooth movement of materials.

The present application relates to a kind of parallel frequency large complex surface component ultrasonic vibration assisted grinding device and application, the device includes: indexing transmission system, ultrasonic vibration system and support shell component, wherein the rigid coupling of indexing transmission system connects outer indexing disc with transmission shaft, indexing rotation and locking are carried out during the grinding process of complex surface component, external ultrasonic power is connected with ultrasonic transducer group by electric slip ring;Ultrasonic vibration system includes sequentially connected parallel ultrasonic transducer group, transmission rod and amplitude bar;The vibration superposition effect of multiple ultrasonic transducers makes large mass complex surface component ultrasonic vibration, realizes large complex surface component ultrasonic vibration assisted high-efficiency precision grinding processing.Support shell component fixes ultrasonic device and grinding wheel on machine platform, guarantee system stiffness.The device can make large mass complex surface axial ultrasonic vibration, and after the grinding of single surface feature is completed, indexing circumferential rotation is carried out, and the precision grinding of entire complex surface component is completed.

This invention relates to the field of rare earth electrolysis processes, specifically to an oxide feeding control system and its control method, comprising: an oxide feeding device and a control module. The oxide feeding device includes a first hopper and a second hopper located below the first hopper. A control valve is installed between the first and second hoppers. A feeding mechanism is installed below the second hopper, and a loss-in-weight detection scale is installed at the bottom of the second hopper. The control valve includes a valve body, a drive motor, and a transmission component. A valve core is connected to the end of the transmission component. A spring is installed on the side wall of the valve body located below the valve core. A first vibration sensor is provided at one end of the spring near the side wall. The control module is electrically connected to the drive motor, the loss-in-weight detection scale, the first vibration sensor, and the second vibration sensor. When the second hopper is filled to more than 70% of the target weight, the speed of the motor auger is reduced. This invention reduces the impact on the sensors to an acceptable range, thereby achieving precise control.

The present application relates to the technical field of environmental protection equipment, and more particularly to a bag type dust collector suitable for a rotary kiln. The bag type dust collector comprises a main shell, a flower plate fixedly connected in the main shell, filter bags uniformly distributed and clamped on the flower plate, and a cage bone mechanism arranged in each filter bag. The cage bone mechanism comprises a fixing sleeve sleeved on the filter bag, a mounting ring rotationally connected to the fixing sleeve, support elastic strips annularly distributed and fixedly connected to the mounting ring, a sliding frame provided on the support elastic strips, and a control ring slidingly connected to the sliding frame. The support elastic strips serve as longitudinal ribs of the cage bone, and the control ring serves as a transverse rib of the cage bone. The cage bone can be retracted and dilated while the structural strength of the cage bone is maintained. Thus, the contact area between the cage bone and the filter bag is reduced, and the friction between the cage bone and the filter bag is reduced during the process of inserting the cage bone into the filter bag. Thus, the probability of the filter bag falling off and being scratched is reduced, the installation efficiency is improved, and the cost of the filter bag and the loss caused by shutdown are reduced.

The utility model provides a kind of short pillow with vibration demolding device, including support mechanism, the support mechanism includes support platform, the top surface of multiple support platform is installed steel plate;The sidewall of the support mechanism is installed extrusion mechanism, the extrusion mechanism is resisted and contacted the mold;The bottom end of the steel plate is installed vibration mechanism, and the vibration mechanism includes base, one side of the support mechanism is provided with multiple base, the surface of the base is installed cylinder, and the inside of the cylinder is installed spring;The inside of the cylinder is slidably connected fixed column, the bottom surface of the fixed column of I-shaped is installed the spring;The top end of the fixed column is installed mounting plate, the inside of the mounting plate is installed vibration motor, and the top end of the mounting plate is fixedly connected and the inside of top plate is in the shape of "U";The surface of the top plate is installed multiple ribs, and the rib is resisted and contacted the bottom surface of the steel plate.The short pillow with vibration demolding device provided by the utility model has the advantage of being convenient for quick and non-damaging removal of short pillows.

The invention discloses a device for pouring a telescopic receiving hopper, and relates to the technical field of concrete pouring. The material receiving device comprises a material receiving device body, and an adjusting mechanism and a vibrating mechanism are arranged in the material receiving device body; a material receiving hopper is arranged on one side of the material receiving device body, when slurry falls off from a discharging opening, the design of the material receiving hopper can effectively prevent the slurry from dripping on a track and the ground, and waste of the slurry and environmental pollution are avoided. The slurry is guided to flow into the waste pit, so that collection and treatment of all the slurry are ensured, the remaining slurry can be reused or properly treated, through the arranged adjusting mechanism, when low-viscosity slurry is discharged, slurry splashing can be reduced through adjustment of an adjusting rod, liquid is prevented from being splashed to an unwanted area, and the use effect of the slurry is improved. Therefore, it is ensured that slurry enters the receiving hopper safely and accurately, waste is reduced to the maximum extent, and for high-viscosity slurry, it can be ensured that sticky slurry smoothly flows into the receiving hopper by adjusting the inclination angle of the receiving hopper.

The utility model provides a kind of ultrasonic microwave ultraviolet light joint vacuum reaction device, it is related to physical and chemical reaction equipment technical field, including: box;Ultrasonic vibration platform, it includes object carrying platform and multiple ultrasonic transducers, each ultrasonic transducer includes piezoelectric ceramic and ultrasonic amplitude transformer, piezoelectric ceramic is fixed in box and is connected ultrasonic amplitude transformer, ultrasonic amplitude transformer connects object carrying platform;Ultraviolet light lamp, it is set in the upper of object carrying platform;Microwave transmitter, it is set in box and is located in the side of object carrying platform;And vacuum pump, it is connected box, to the vacuum in box is extracted.The utility model has the beneficial effect: break through the inherent limitation of single technology, different combination is carried out by ultrasonic wave, microwave, ultraviolet light and vacuum technology, can realize the catalytic effect combination of 64 different functions, can be accurately controlled reaction condition according to actual reaction needs, significantly improve the rate and efficiency of chemical or physical reaction, reduce side reaction, improve the purity and yield of product.

The invention belongs to the technical field of food processing mechanical equipment, and particularly relates to a vacuum freeze-drying marine shellfish meat crisp chip processing machine which comprises a conical hopper and further comprises supporting columns symmetrically and fixedly connected to the surface of the conical hopper, and rolling compression rollers are symmetrically and rotationally connected to the inner wall of the conical hopper; the lower end of the conical hopper is fixedly connected with a material guiding barrel, the inner wall of the material guiding barrel is rotationally connected with an auger disc, and a conveying belt is arranged under a discharging opening of the material guiding barrel; the device can efficiently scatter seasoned sticky shellfish meat agglomerated blocks, realizes uniform conveying and spreading, reduces waste of raw materials, strengthens structural stability through three-dimensional reinforcement and split design, reduces maintenance difficulty, can guarantee food contact safety, is adaptive to multi-specification processing requirements, and improves equipment operation efficiency and crisp chip quality stability.

The utility model relates to the technical field of potato production, in particular to an efficient potato soil screening device for production and processing, which comprises a roller conveyor and a soil screening mechanism arranged on the roller conveyor, the roller conveyor comprises a frame, a driving mechanism arranged on the frame, and a conveying roller group arranged on the frame and in transmission connection with the driving mechanism, the soil screening mechanism is arranged on the rack and used in cooperation with the conveying roller set, and the conveying roller set is in transmission connection with the soil screening mechanism. According to the utility model, the roller conveyor is driven to vibrate by the vibration motor, and the potatoes are rotationally brushed by the brushes on the surface of the conveying roller group, so that the soil is preliminarily and efficiently stripped; furthermore, through meshing transmission of the driving gear and the driven gear, the rotating screen roller and the conveying roller set rotate reversely, the secondary deep cleaning effect is achieved, and compared with a traditional single brush or vibrating screen mode, the soil screening efficiency is improved, and soil residues are reduced.

This application provides a latching structure, a tailgate assembly, and a vehicle. The latching structure is applied to the tailgate assembly of a vehicle. Along a first direction, the tailgate assembly includes a first tailgate inner panel and a first tailgate outer panel arranged sequentially. The latching structure includes a first connecting structure, a second connecting structure, and a connector. The first connecting structure is connected to a first side of the first tailgate inner panel near the first tailgate outer panel. The second connecting structure is connected to a second side of the first tailgate inner panel away from the first tailgate outer panel. The connector is located on the side of the first tailgate inner panel away from the first tailgate outer panel, with a first end connected to the first connecting structure and a second end connected to the second connecting structure.

The utility model relates to the technical field of polishing devices, and discloses an excavator foot valve machining and polishing device which comprises a platen, a protective cover is fixedly connected to one side of the top end of the platen, a lifting air cylinder is fixedly installed in the middle of the top end of the protective cover, and the output end of the lifting air cylinder penetrates through the inner wall of the protective cover and is fixedly provided with a polishing head. Guide grooves are formed in the two sides of the surface of the table plate, the surfaces of the two guide grooves are slidably connected with a containing plate, a clamping assembly is installed at the top end of the containing plate, an iron sheet is fixedly embedded in one side of the containing plate, an electromagnet is fixedly installed at one end of the top end of the table plate, and a scrap collecting assembly is installed on the back face of a protective cover. According to the polishing device, the polishing process is completed in the protective cover, generated scattered metal chippings can be blocked by the protective cover, the protection effect is achieved, the human body is prevented from being hurt, and the device can continuously collect the metal chippings generated during polishing and is convenient to clean.

The application provides a detection circuit, a touchpad control system, a circuit board and an electronic device. The detection circuit comprises a sampling module, a current detection module and a voltage detection module. The current detection module collects a first electric signal of a linear motor and sends the first electric signal to a control circuit, so that the control circuit adjusts the output power of the linear motor based on the first electric signal. The voltage detection module is used for acquiring a second electric signal of the linear motor and sending the second electric signal to the control circuit, so that the control circuit determines the voltage information of the linear motor based on the second electric signal and adjusts the output power of the linear motor. The detection circuit can collect the current and voltage information of the linear motor in real time, so as to obtain the vibration state of the linear motor in real time. The collection and detection accuracy is high, and the control circuit can control and adjust the linear motor based on the vibration state, so as to avoid the problem of misjudgment of the control circuit caused by low detection accuracy.

This invention relates to a defrosting device and method for heat exchanger fins. The device includes a finned heat exchanger with multiple sets of fins. The fins have evenly spaced mounting holes, and heat transfer tubes pass through these holes and are fixedly connected to the multiple sets of fins in a crisscross pattern. Electromagnets are installed at both ends of the finned heat exchanger, located at the left and right ends of the fin assembly. The two sets of electromagnets are powered by a DC power supply with a controller in a power control box. A portion of the fins is made of permanent magnet material. Frost detectors and displacement detectors are installed on the fins. The signals detected by the frost detectors and displacement detectors are sent to the controller in the power control box to control the DC power supply to the two sets of electromagnets. In this invention, the defrosting of the heat exchanger fins utilizes the principle of vibration defrosting of the fins and ice layer. Vibration generates shear stress between the fins and the ice layer, causing broken ice to detach from the fins, achieving vibration defrosting of bent fins. This method has the advantages of fast defrosting speed and good defrosting effect.

The utility model discloses a cutting device for aluminum alloy door and window processing, which relates to the technical field of aluminum alloy door and window processing, and comprises a working table, a fan is arranged at the top of the working table, an air outlet at the bottom of the fan is communicated with a protective cover, the protective cover is fixedly connected to the top of the working table, and a cutting knife is arranged at the top of the working table. A driving mechanism is arranged on the cutting knife, and belts are fixedly connected to the four corners of the bottom of the workbench. The fan is started to operate to generate airflow, the airflow is led into the protective cover through the air outlet, after the double-shaft motor is started, the centrifugal block rotates at a high speed to generate centrifugal force to enable the vibration box to vibrate, the filter cartridge and the sieve plate are driven to vibrate synchronously, and auxiliary scraps are screened through the sieve plate and through holes in the filter cartridge; and chippings generated by cutting are separated from the aluminum alloy part, so that the situation that the subsequent machining process is affected by chipping accumulation is avoided, and the overall quality and production efficiency of aluminum alloy door and window machining are improved.

A highly stable multi-oscillator linked flow-induced vibration power generation device includes multiple sets of power generation mechanisms distributed along a first direction, with at least two mechanisms in each set. The mechanisms within the same set are distributed along a second direction, perpendicular to the first direction. Each power generation mechanism includes a top-closed mounting cylinder containing a linear generator. The power input axis of the linear generator extends downwards and is fixedly connected to a lifting plate. A transmission rod is rotatably connected to the lower surface of the lifting plate, and an oscillator is fixedly connected to the lower end of the transmission rod. The oscillator is parallel to the fluid surface and immersed in the fluid. This invention provides a highly stable multi-oscillator linked flow-induced vibration power generation device and method. It can adjust the oscillator according to the fluid flow velocity, avoiding excessively high vibration amplitude and frequency when the fluid flow velocity is too high by changing the oscillator's water-facing area, thus protecting the oscillator and other structures.