116results about How to "Increase jitter" patented technology

The invention provides a photovoltaic inverter for a solar photovoltaic module, and belongs to the field of photovoltaic inverters. Comprising a shell, a mounting seat is fixedly connected to the inner surface of the shell, a power module and a control module are fixedly connected to the outer surface of the mounting seat, ventilation grooves are symmetrically formed in the outer surface of the shell, and a dehumidification assembly is arranged on the inner side of the shell and comprises a partition plate fixedly connected with the lower end of the inner surface of the shell; a supporting plate is fixedly connected to the outer surface of the partition plate, a notch is formed in the outer surface of the upper end of the supporting plate, and a baffle is fixedly connected to the inner surface of the shell. Through the arrangement of the moisture removal assembly, air can be in full contact with the moisture absorption plate after entering the shell, moisture in the air can be effectively absorbed, the probability that condensation is formed in the inverter is reduced, the stability and safety of the inverter in the working process can be improved, and meanwhile the service life of the inverter can be effectively prolonged.

The present invention relates to the technical field of electroplating devices, and specifically to an electroplating device and method for surface treatment of metal products, comprising an electroplating pool, wherein a plurality of partitions are arranged inside the electroplating pool, and the plurality of partitions divide the internal space of the electroplating pool into a plurality of electroplating tanks, and a bracket is arranged on the top of the electroplating pool, and the bracket is in the shape of a gate, and a first linear slide distributed along its own length direction is arranged on the top of the bracket, and a vertical plate is arranged at the movable end of the first linear slide, and a second linear slide distributed vertically is arranged on the surface of the vertical plate, and a horizontal plate is arranged at the movable end of the second linear slide; the present invention has an electroplating rack and a blowing part, and when the electroplating rack carries the electroplated parts out of the electroplating liquid, the blowing part can be used to blow air to the surface of the electroplating rack, thereby accelerating the dripping of the electroplating liquid on the surface of the electroplated parts to avoid cross contamination between different electroplating liquids.

The invention relates to the technical field of tea leaf rolling fermentation, and discloses a full-automatic tea leaf rolling fermentation device which comprises a rolling disc, a rotating disc is arranged at the top of the rolling disc, a rolling mechanism is arranged at the bottom of the rotating disc, and the rolling mechanism comprises an annular groove, a rolling roller, a round rod, a movable rod and a first reset spring. Rotation of the rotating disc is matched with the rolling disc which swings circumferentially on the spherical supporting rod, a plurality of rolling rollers are driven to roll circumferentially at the top of the rolling disc, and the rolling disc swings circumferentially to achieve the effect of simulating manual rolling, so that the purpose of rolling tea leaves is achieved, and the purposes of breaking tea leaf cell walls and improving tea leaf quality are achieved. Meanwhile, when the rotating disc rotates, an elastic and arc-shaped scraping plate is driven to scrape the tea leaves attached to the upper portion of the rolling disc and is matched with circumferential rotation to generate a discharging effect, so that the tea leaves can be pushed to the outer edge of the rolling disc.

The invention discloses industrial gas on-line monitoring equipment, and relates to the technical field of monitoring equipment.The industrial gas on-line monitoring equipment comprises a monitor installed on a rack, and a gas guide pipe used for guiding industrial gas to be monitored by the monitor is arranged outside the rack; a spacing disc is fixed in the air guide pipe, a plurality of disc channels which are uniformly distributed around the axis of the spacing disc are arranged on the spacing disc, and filter plates are mounted in the disc channels; a side box and a side plate are arranged on the two sides of the spacing disc respectively, the side box is close to the industrial gas inlet end of the gas guide pipe, a shaft pipe is rotationally arranged on the spacing disc, the side box is fixed and communicated to the shaft pipe, and the side plate is movably arranged on the shaft pipe. According to the industrial gas online monitoring equipment, by arranging the side box, the side plate and other structures, rapid cleaning of impurities can be completed without shutdown, it is guaranteed that impurity suction and gas monitoring do not affect each other, meanwhile, the two-way collaborative reverse blowing cleaning effect of reverse blowing and suction is formed, synchronous cleaning of the side box is completed, and the service life of the side box is prolonged. And the use efficiency of the industrial gas online monitoring equipment is improved.

The utility model relates to the technical field of tomato sauce production and processing, in particular to a drying device for tomato sauce production and processing, which comprises a support frame, and a plurality of support pads are mounted at the bottom of the support frame. A stirring motor drives a stirring rod to rotate to drive a plurality of groups of stirring blades to rotate, so that tomato sauce in a heating barrel is stirred to accelerate the drying efficiency, and hot air generated in the heating barrel is conveyed into a flow dividing pipe through a conveying pipe to preheat the tomato sauce in a preheating barrel; two elliptical blocks circularly rotate to drive the heating barrel to continuously ascend and descend so as to generate vibration, so that tomato sauce adhered to the inner side walls of the heating barrel and the preheating barrel can be conveniently shaken down, and waste is avoided; therefore, the problems that a traditional drying device for tomato sauce production and processing cannot be preheated, so that the drying efficiency is low, and waste is caused due to the fact that materials are likely to adhere to the interior of a drying barrel are effectively solved.

According to the technical scheme, the raw material screening device for tobacco processing comprises a winnowing box and a screening box, the screening box is installed at the bottom of the winnowing box through damping rubber, a waste tank is installed on one side of the bottom in the winnowing box through a partition plate, and a main material tank is installed on the side, close to the waste tank, of the bottom in the winnowing box. The bottom of the main material groove is connected to the top in the screening box through a discharging pipe, a fine material groove is formed in the side, close to the main material groove, of the bottom in the winnowing box, and a winnowing barrel is installed in the winnowing box and located on the top of the waste material groove. The raw material screening device for tobacco processing solves the problems that according to an existing tobacco raw material screening device, a screening plate is directly used for screening tobacco raw materials, due to the fact that the variety of impurities in the cut tobacco raw materials is large, the effect of directly screening the tobacco raw materials through the screening plate is limited, and the screening quality of the tobacco raw materials is reduced. And internal impurities of the tobacco raw materials are reduced, so that the screening quality of the tobacco raw materials is guaranteed.

The invention discloses a Chinese medicine raw material crushing device, which specifically relates to the technical field of Chinese medicine production, comprising a main frame, a front plate fixedly connected to the front side of the main frame, a motor fixedly connected to the rear side of the main frame, a motor shaft extending from one end of the motor, a rotating wheel fixedly connected to one end of the motor shaft, a driving column fixedly connected to the rotating wheel, a rotating shaft rotatably connected to one side of the main frame, a missing gear fixedly connected to the cylindrical outer surface of the rotating shaft; the motor drives the rotating wheel to rotate counterclockwise (with FIG. 4 as a reference) through the motor shaft, and the driving column drives the swing rod to rotate around the rotating shaft during rotation through a groove with a protrusion, and when the device is in accordance with FIG. 4-FIG. 5-FIG. 6, the Chinese medicine raw materials on the rubber stretching layer will be initially cut by the missing gear, and the cut Chinese medicine raw materials will fall between the movable arc plate and the rotating wheel, and will be secondarily cut by the second cutting protrusion and the first cutting protrusion.

The invention relates to the technical field of paper product processing, and discloses a paper product processing anti-blocking device which comprises a sleeve shell, the sleeve shell further comprises a pushing device, the pushing device comprises a pushing structure and a volume expansion structure, the pushing structure comprises a driving motor, a rotating shaft, a chain wheel and a scraper, the driving motor is arranged on the left side of the sleeve shell, and the rotating shaft is arranged on the right side of the sleeve shell. The rotating shaft is rotatably connected to the right side of the driving motor, the chain wheel is in transmission connection to the surface of the rotating shaft, the scraping plates are fixedly connected to the two sides of the chain wheel, the volume expansion structure comprises telescopic plates, through grooves, sliding locks, telescopic side plates and U-shaped base plates, the telescopic plates are slidably connected to the inner sides of the scraping plates, and the through grooves are formed in the inner sides of the scraping plates. The device has the characteristics that the capacity can be adjusted, a large amount of materials can be conveyed, the material conveying efficiency is high, and blockage is avoided.

The invention discloses powder pollution-free circulating type automatic powder spraying equipment, and belongs to the technical field of powder spraying, the powder pollution-free circulating type automatic powder spraying equipment comprises an outer shell, a powder spraying cavity is formed in the inner side of the outer shell, the bottom of the powder spraying cavity communicates with a stirring cavity, a fixed frame is arranged on the inner side wall of the outer shell, and a movable rod penetrates through the top end of the fixed frame; one end of the movable rod is fixedly connected with a contact seat, one end of the movable rod away from the contact seat is fixedly connected with a guide block, and the outer surface of the movable rod is sleeved with a reset spring; through the arrangement of structures such as a clamping frame, a rubber chuck, a driving wheel, a belt, a driven wheel and an eccentric wheel, parts can be stably clamped and limited in a mechanical clamping mode, longitudinal shaking of the clamped parts can be achieved, and therefore after powder spraying of the parts is completed, the parts can be stably clamped and limited. And redundant powder attached to the surfaces of the spare and accessory parts is shaken off, so that the situation that normal use of the spare and accessory parts is affected by excessive attached powder is prevented.

The utility model discloses a waste recovery device for polyamide fiber materials, which comprises a box body, a crushing mechanism and a circulating conveying mechanism are arranged in the box body, the inner wall of the box body is fixedly connected with a filter plate, the crushing mechanism is used for crushing waste materials, and the circulating conveying mechanism is used for conveying the waste materials to the box body. And the filter plate is used for filtering and screening the crushed waste materials. Waste materials which do not meet requirements are intercepted through the filter plate, enter the conveying cylinder through the feeding port and are conveyed to the position above the crushing mechanism through the circulating conveying mechanism, then the waste materials which do not meet the requirements are crushed again through the crushing mechanism, circulating crushing of the waste materials which do not meet the requirements is achieved, and the waste materials which do not meet the requirements are recycled. And the situation that a small amount of waste which does not meet the crushing requirement is doped in the waste meeting the requirement is avoided, and therefore the crushing effect of the waste is guaranteed.

The utility model relates to the technical field of high polymer material production equipment, in particular to a screening device for antistatic high polymer material production. The high polymer material screening device comprises a fixed base and a screening shell fixed to the top of the fixed base, a feeding opening is fixed to the top of the screening shell, a screening mechanism is assembled on the inner side of the screening shell and used for screening high polymer materials, and a shaking mechanism is assembled between the screening mechanism and the screening shell. The shaking mechanism is used for accelerating screening of the high polymer materials. Through the structural design of the screening mechanism and the shaking mechanism, the device can conveniently screen polymer particles, meanwhile, the sieve plate can be pushed to shake, the polymer particles on the sieve plate are prevented from being accumulated, the working efficiency is improved, and the high efficiency of the device is improved; the device can convey macromolecular particles which do not conform to the screening specification, so that the next processing and recycling can be conveniently carried out or the macromolecular particles can be reserved for other purposes.

The utility model discloses a heat -proof sealing strip surface dust removal device, including dust removal device connection total component, the upper surface of dust removal device connection total component installs and is equipped with the operation handle, the inner ring surface of dust removal device connection total component limit inserts and is equipped with the protective housing, the inner ring surface of protective housing limit clamps and is equipped with fixed connecting block, the lateral surface fixed connection of fixed connecting block has output motor, the output shaft top of output motor fixed sleeve has the connection assembly, the bottom surface installation of connection assembly is equipped with the mounting panel, the lateral surface fixed connection of mounting panel has the connecting sleeve block, the inner ring surface limit of connecting sleeve block inserts and is equipped with the limit insertion rod. The utility model discloses the cooperation and use of the limit insertion rod and the cleaning dust removal board of setting, and after cleaning dust removal board is close to sealing strip, can carry out efficient use removal to its surface dust and pasting.

The invention relates to the technical field of image acquisition holders, and discloses a portable high-precision mobile holder device which comprises a guide rail adjusting base, the guide rail adjusting base comprises a supporting footstand, a base body is hinged to the top of the supporting footstand, and a vertical shaft adjusting handle is in transmission connection with the interior of one side of the base body. A vertical shaft is slidably connected to the interior of the base body, a Q1 quick-release base is fixed to the top of the vertical shaft, and a Q1 quick-release plate is clamped in the Q1 quick-release base. According to the portable high-precision movable holder device, proper front left guide rails, front right guide rails, rear left guide rails and rear right guide rails are selected to be assembled into corresponding guide rail lengths and guide rail shapes; according to the technical scheme, the image collector is controlled to collect images when the cradle head body rapidly moves on the inner sides of the front left guide rail, the front right guide rail, the rear left guide rail and the rear right guide rail, sufficient illumination is provided through the calibration lamp in the dark field environment, and then the image collection efficiency and quality are improved.

The utility model discloses a filling machine for preparing glass printing paint, which belongs to the technical field of paint preparation and comprises a base, a filter fixed in the middle of the top of the base, a diaphragm pump for conveying raw materials, a pneumatic valve group for monitoring conveying of the raw materials and a weighing scale for weighing the raw materials. A conveying pipe is mounted at the input end at the bottom of the filter. The stand column is vertically arranged at the top of the base, the transverse rod is vertically arranged on the side edge of the stand column, and the positioning mechanism composed of the sliding sleeve, the mounting cylinder, the inserting block, the first spring, the through opening, the inserting groove, the strip-shaped groove and the pull block is arranged between the end of the transverse rod and the stand column, so that the heights of the filling heads are adjusted when the filling heads are used, liquid drops are effectively prevented from being scattered, and the filling efficiency is improved. And a plug-in positioning mode is adopted, so that adjustment and use are more convenient.

A laser drive circuit disclosed by the present invention comprises an optocoupler, a programmable timing unit, an LD drive chip, an MCU chip and an LD load, the MCU chip transmits a clock signal and a pulse width data signal of an output signal to the programmable timing unit, an input end of the optocoupler is connected with an external trigger signal, an output end of the optocoupler is connected with the programmable timing unit, and the programmable timing unit is connected with the MCU chip. The programmable timing unit outputs REF signals and OUT signals to the positive input end and the negative input end of the LD driving chip respectively, the difference width of the REF signals and the OUT signals is the pulse width of optical signals output by the LD load, and the output end of the LD driving chip is connected with the LD load. According to the laser driving circuit provided by the invention, the jitter precision from an external trigger signal to an optical signal is greatly improved, and the low-delay jitter from the external trigger signal to the optical signal can be controlled within a range of 2ns (+ / -1ns).

The invention relates to the technical field of mechanical pin pulling, in particular to a vibration pin pulling device which comprises a pin, a hydraulic support is attached to a mine surface, a supporting structure part, especially a rotating connection part, of the hydraulic support is often affected by poor sealing performance of the hydraulic support, the oxidation and rusting phenomena are caused by steam invasion, and the vibration pin pulling device is used for improving the stability of the supporting performance of the hydraulic support. The corrosion part of the pin needs to be replaced or maintained regularly, the pin serves as a main structural part of the rotating connection part of the hydraulic support, the oxidation state of the pin has a decisive factor on the supporting stability of the hydraulic support, part of the pin with the high corrosion degree needs to be pulled out and replaced, and however, the pin is damaged. For part of large-diameter pins in a mining hydraulic support, a traditional traction pulling mode is difficult to provide enough traction force to move out the pins, the pin pulling process is time-consuming and labor-consuming, the occupied time for mine tunnel construction is long, and the maintenance and updating efficiency is low.

The invention discloses an integrated processing mechanism for powder samples, comprising: a frame, a dustproof frame, an operating platform, a material holding structure, a material vibrating platform, and a reducer, wherein the reducer is divided into four reducing units from top to bottom, and the reducing units include a drop hopper, a separator, and a discharge pipe, and also include: a wet material separation structure, wherein the grid groove inside the separator is divided into a plurality of discharge pipe cavities, the wet material separation structure includes a separation net, a through frame, and a plug plate, wherein a laterally pushable separation boss is arranged inside the plug plate, and when the through frame moves downward, the plug plate penetrates the separation net, and a lower top frame is movably arranged at the lower end of the separation net; a full-section sampling structure, wherein the full-section sampling structure includes, a rotating frame, a heater, and an external isolation cylinder, the sampler is located on the inner side of the receiving area, the sampler penetrates the discharge pipe and is connected to an external sampling pipe, and the invention can reduce the influence of particles with humidity in the powder on the discharge of the material, improve the mobility of the sticky material inside, and suppress the upward dust.

The present invention relates to the technical field of chain link detection, and specifically to a novel quality detection equipment for producing lock-type chain link, comprising a detection body, wherein a left lifting platform and a right lifting platform are symmetrically arranged inside the detection bin, a pulling assembly is assembled on the upper part of the lifting frame through an assembled top plate, a left cam and a right cam are respectively arranged below the left bottom plate and the right bottom plate, and a driven shaft is fixed inside the rear turntable; the present invention facilitates the lifting and lowering vibration of the pulling assembly through the left lifting platform and the right lifting platform, so that the pulling assembly is convenient to drive the lock-type chain link to vibrate and vibrate, and at the same time, the pulling assembly is convenient to assist in stretching during vibration, and drives the rear turntable to rotate through linkage, so as to facilitate the knocking of the lock-type chain link with the cooperation of the knocking rod, and by periodically shaking, pulling and knocking the lock-type chain link, it is convenient to detect the quality of key performance indicators such as material strength, hardness and firmness and stability of the lock-type chain link.

The application relates to a service processing method, system, device and medium based on a dual real-time kernel. A real-time Linux kernel and a real-time virtual machine monitor kernel are constructed, and a message sharing channel is established between the real-time Linux kernel and the real-time virtual machine monitor kernel; according to a preset multidimensional task scheduling strategy and a preset resource allocation and isolation strategy, the real-time Linux kernel is responsible for system service process scheduling and resource allocation at an operating system level, and the real-time virtual machine monitor kernel is responsible for scheduling, device simulation and resource allocation of a virtual machine service. Through the dual real-time kernel, task scheduling is separated, and the efficiency of task scheduling can be effectively improved. Through the optimized multidimensional task scheduling strategy and the resource allocation and isolation strategy, task scheduling is controlled, and the scheduling delay and jitter of real-time tasks in system services and / or virtual machine services are improved in combination with hardware optimization. The system device and the medium based on the method provided by the application can also achieve the above effects.

The application discloses a multi-phase clock generation circuit, comprising: a main clock generator generating a first-stage source clock; a first frequency divider receiving the first-stage source clock and generating first-stage phase information; a second frequency divider receiving the first-stage phase information and outputting second-stage phase information; a plurality of sub-clock generation modules, each of which comprises a first-stage sampling clock generation unit, a first first-stage sampling clock generation unit being connected with the first frequency divider, each first-stage sampling clock generation unit receiving first-stage phase information output by a previous first-stage sampling clock generation unit and the first-stage source clock respectively and outputting phase-shifted first-stage phase information, the first-stage sampling clock generation unit generating a first-stage sampling clock and a second-stage source clock; and a plurality of second-stage sampling clock generation units. The application adopts a distributed and modular clock generation method, the layout is simplified, and the phase error is smaller.

The invention discloses a powder pollution-free circulation type automatic powder spraying device, which belongs to the technical field of powder spraying, and comprises an outer shell, a powder spraying chamber is opened on the inner side of the outer shell, and the bottom of the powder spraying chamber is connected with a stirring chamber, a fixed frame is arranged on the inner side wall of the outer shell, and a movable rod is penetrated through the top of the fixed frame, one end of the movable rod is fixedly connected with a contact seat, and the end of the movable rod away from the contact seat is fixedly connected with a guide block, and a reset spring is sleeved on the outer surface of the movable rod; combined with the arrangement of the clamping frame, rubber chuck, driving wheel, belt, driven wheel and eccentric wheel and other structures, not only can the spare parts be stably clamped and limited by mechanical clamping, but also the longitudinal shaking of the spare parts after clamping can be realized, so that after the powder spraying of the spare parts is completed, the excess powder attached to the surface of the spare parts can be shaken off, so as to prevent the excessive attached powder from affecting the subsequent normal use of the spare parts.

The present invention belongs to the technical field related to intelligent identification of earth-moving engineering machinery, and discloses a method for intelligent identification of bulldozer operation based on vehicle-mounted vision and multi-task learning. The method comprises the following steps: S1 sets multiple cameras on the bulldozer to collect video data of the bulldozer during operation; for the collected video data, annotates its shoveling state and shoveling action according to the content of soil in front of the bulldozer blade, thereby forming a database corresponding to the video data and the shoveling state and shoveling action; S2 constructs a multi-task learning network, trains the multi-task learning network with the database in S1, thereby obtaining a recognition model, collects real-time video data of the bulldozer in real time, and inputs the real-time video data into the recognition model, thereby obtaining the shoveling state and shoveling action of the bulldozer. Through the present invention, the problems of high labor cost and inability to intelligently identify bulldozer operations are solved.

The invention relates to a spring coloring device which comprises a rectangular vertical frame, a guide assembly, a cleaning and coloring module, an air drying device and a conveying assembly, the guide assembly is assembled at the upper end of the rectangular vertical frame in a vibratable mode in the length direction of the rectangular vertical frame, and the guide assembly is provided with a smooth area, a vibration area, a cleaning and coloring module, an air drying device and a conveying assembly in the length direction of the guide assembly. When the spring cleaning and coloring device is used for cleaning and coloring a spring, vibration generated by an air drying device during working is utilized to drive a guide assembly to vibrate, so that a spring frame assembly loaded with the spring can vibrate in the cleaning and coloring module when passing through the cleaning and coloring module, and the cleaning and coloring effects are improved; and meanwhile, in the process that the spring frame assembly moves to the vibration area along the guide assembly, vibration is intensified in the process that the spring frame assembly moves to be close to the air drying device through cooperation of the rolling matching piece and the vibration area, so that surface moisture is rapidly shaken off, the air drying efficiency is improved, and then the working efficiency of cleaning and coloring the springs is improved.

The invention relates to a wastewater purification treatment device for impregnation liquid production, the wastewater purification treatment device comprises a treatment assembly, the treatment assembly comprises a treatment tank, a molecular isolation membrane, an upper covering plate and an upper push rod, the molecular isolation membrane is arranged at the lower end in the treatment tank, the upper covering plate is arranged above the molecular isolation membrane, the upper push rod is connected above the upper covering plate, and the upper push rod is connected with the lower end of the treatment tank. One side of the processing assembly is connected with an electromagnetic valve, and the side, away from the processing assembly, of the electromagnetic valve is connected with a rotating assembly. The equipment has the beneficial effects that the equipment is provided with an external isolation structure, external sunlight can be isolated, the influence of sunlight on the equipment is avoided, bacteria can be automatically supplemented after the equipment works for a period of time, so that the quantity of bacteria in the equipment is guaranteed, the equipment has the function of automatically stopping water supply, water flow in the equipment is conveniently controlled, and the equipment is convenient to use. Meanwhile, a water supply structure can be automatically changed into a water circulation structure, water circulation in the equipment is facilitated, shaking of the isolating membrane is facilitated, and water can be conveniently discharged from the equipment.

The utility model discloses a cutting fluid circulating filtering device for numerical control machine tool machining, which comprises a filtering box, a first inclined filtering net plate and a second inclined filtering net plate are arranged on the inner side surface of the filtering box, and flow guide shells are arranged on the outer sides of the two sides of the filtering box. The inner side surface of the flow guide shell is filled with a first material receiving shell and a second material receiving shell, filter screens are arranged on the inner side surfaces of the first material receiving shell and the second material receiving shell, a feeding opening is formed in the upper surface of the filter box, and a suction pump is arranged on the outer surface of the lower end of the filter box; a suction pipe of the suction pump is fixed to the inner side surface of the bottom of the filter box, a vibrator is fixed to the outer surface of the filter box, a flow guide shell is arranged outside the filter box and can be filled with a material receiving shell structure, metal chippings fall into the material receiving shell and can be filtered through a filter screen, during circulating filtration, vibration filtration cannot be blocked, the mechanism is simple, and the cost is low.

The present invention relates to an inflatable outer windshield, which is used to connect the body of a rail transit vehicle, and includes: an inflatable capsule, a connecting profile, an inflation system, and an exhaust system; the inflatable capsule is an integrated wave-countering structure, and the two ends are screwed to the connecting profile, and the connecting profile is fixedly connected to the vehicle bodies on both sides respectively, and the middle part of the inflatable capsule is a wave-shaped structure. This structure effectively ensures the stability of the gas pressure inside the inflatable capsule and improves the air tightness between the vehicle bodies; the wave-countering structure enables it to have sufficient compression and stretching, effectively extending the overall life of the inflatable capsule. The inflation port and the exhaust port correspond to and are arranged in an alternating manner, and can be quickly inflated and exhausted. A frame is used to shape the waveform to improve the aesthetics and prevent the occurrence of jitter or resonance during the operation of the rail transit vehicle. The inflatable capsule has a simple structure, is easy to use and operate, and is easy to repair, which greatly reduces the failure rate of the outer windshield.

The utility model relates to the technical field of powder selecting machines, and discloses a cement powder selecting machine. The cement powder concentrator comprises a shell assembly, a cement putting-in assembly is installed at the upper end of the shell assembly, a concentration groove is formed in the lower end of the cement putting-in assembly, a shaking plate is installed in the concentration groove, a shaking rod is connected to the right side of the shaking plate, and an anti-blocking assembly is installed in the shell assembly in a connected mode. A screening plate is mounted at the upper end of the anti-blocking assembly, a frame is mounted at the upper end of the screening plate, a push rod is mounted at the upper end of the frame, a sliding structure is mounted at the upper end of the push rod, and a scraper is mounted at the lower end of the sliding structure. And cement needs to be manually poured into a feeding port in the upper end of the device, and manual treatment is needed when the feeding port is blocked subsequently, so that certain time is wasted, and the like.

The utility model relates to the technical field of drilling accessory machining, and discloses a cutting device for drilling accessory machining, which comprises a working table and a hand-pressing type cutting machine body, the bottom of the working table is fixedly connected with a collecting box, the bottom of the collecting box is fixedly connected with a first dust collection fan, the top of the working table is fixedly connected with an electric telescopic rod, and the electric telescopic rod is fixedly connected with a second dust collection fan. A clamping table is fixedly connected to the end, close to the workbench, of the electric telescopic rod, a hydraulic rod is fixedly connected to the top of the clamping table, an adjusting dust removal mechanism is arranged in the collecting box, and an auxiliary cutting mechanism is arranged at the top of the workbench. And through work of a second motor, it is convenient to achieve that a dust collecting plate is attached to the outer surface of a cam all the time to do up-down reciprocating motion, and through movement of a sliding plate, it is convenient to adjust the angle of the hand-pressing type cutting machine body.

This disclosure relates to the field of electronic device technology, specifically providing a video playback method, apparatus, electronic device, and storage medium. A video playback method includes setting preset identification information in the image data of each frame of an HDR video sequence. When performing layer compositing on the current frame of the image to be displayed, in response to detecting that the layer data corresponding to at least one layer of the image to be displayed includes the preset identification information, the display brightness of the target image area on the image to be displayed is enhanced. In this disclosure, setting preset identification information in the HDR video allows the electronic device to accurately identify the HDR video, thereby correctly supporting local HDR effects for the HDR video, improving the flickering and jitter problems caused by the inability to correctly support local HDR, and enhancing the user's viewing experience.

According to the ornithopter reconnaissance system disclosed by the invention, a lightweight dual-light pod is adopted, so that the reconnaissance capability is enhanced compared with a traditional pod while the load weight of a ornithopter flying robot is reduced; the three-axis pod adapting to the motion form of the flapping-wing flying robot is adopted, so that jitter of a reconnaissance video during flying of the flapping-wing flying robot is greatly improved; a pod reconnaissance system combining long and short focuses is adopted, so that the accurate searching capability is improved; algorithms of airborne target detection, recognition, tracking and the like are integrated, and the problem that a small-sized flapping-wing flying robot cannot carry out airborne reconnaissance video real-time processing is solved; by adopting the cluster reconnaissance method, the target positioning precision is improved, and accurate target positioning and cooperative reconnaissance capability can be realized.