327results about How to "Prevent adhesion" patented technology

Belonging to the field of petrochemical engineering, the invention discloses a catalytic slurry oil purification device, which comprises a tank body, and a feed end and a discharge end respectively arranged at two ends of the tank body. An upper partition plate and a lower partition plate are fixedly connected to the inner wall of the tank body, a discharging opening is formed in the upper partition plate, and a feeding opening is formed in the lower partition plate; the interior of the tank body is divided into three independent cavities by the upper partition plate and the lower partition plate; according to the scheme, the filter element is sleeved with the hollow cylinder, and the rotatable first spiral flow deflector is further arranged between the inner wall of the hollow cylinder and the outer wall of the filter element; a rotatable first spiral flow deflector is further arranged between the inner wall of the hollow cylinder and the outer wall of the filter element; a shear force generated by rotation of the first spiral flow deflector can prevent a filter cake on the surface of the filter element from forming a compact thick layer; a filter cake layer can be controlled within a relatively thin thickness range, and the rising speed of the pressure difference is delayed, so that the operation duration of a single filtering period is prolonged; and the single-time continuous treatment capacity of the device is greatly improved.

This invention discloses a wind-cooled multi-channel solid-state circuit breaker cabinet, comprising a cabinet body and a wind-cooling heat dissipation system. The cabinet interior is divided layer by layer from front to back by longitudinal beams into an isolation zone, a first component mounting zone, a heat dissipation zone, and a second component mounting zone. The wind-cooling heat dissipation system includes air inlets at the bottom of the front and rear doors and air outlets at the top, as well as a heat dissipation structure located within the heat dissipation zone. The heat dissipation structure includes a radiator duct and optional fan assemblies, which can be flexibly configured according to power switching components with different thermal powers to achieve precise and efficient heat dissipation. Each electrical channel has an independent control panel corresponding to the front door, integrating a display screen, indicator lights, and buttons, supporting independent on / off control of multiple circuits. This invention, through reasonable functional zoning and air duct design, solves the problems of low heat dissipation efficiency and poor multi-circuit adaptability in existing technologies, and has the advantages of high heat dissipation efficiency, reasonable layout, convenient operation and maintenance, and good protection.

The utility model provides an anti-clogging exhaust gas flow dust remover nozzle, which relates to the technical field of dust removers, and comprises an installation barrel, the lower end of the installation barrel is rotatably connected with a spray head, the interior of the installation barrel is fixedly provided with a clogging cleaning assembly, and the clogging cleaning assembly comprises a telescopic cylinder body, a clogging cleaning piston, a piston ejector rod and a rotating assembly. The rotating assembly comprises an I-shaped ring and a supporting ring rotationally connected to the I-shaped ring, a plurality of guide rods are fixed to the outer wall of the supporting ring, a plurality of spiral grooves formed at equal intervals are formed in the inner wall of the mounting barrel, the guide rods slidably abut against the interiors of the spiral grooves, and a guide beam is fixed to the upper side of the spray head. The supporting ring is slidably arranged on the guide beam in a sleeving mode, and a plurality of communicating holes are formed in the upper end of the side wall of the telescopic cylinder body. When the spray head is blocked, water pressure in the mounting cylinder can push the piston ejector rod to move downwards to push hardened dust blocked in the spray head out, and the anti-blocking purpose is achieved.

This utility model provides a double-sided composite fireproof and heat-insulating board, relating to the technical field of fireproof and heat-insulating boards. It includes a wall, a moisture-proof component, and a protective component. A board is provided on one side of the wall, and a pressure plate is provided on the side of the board away from the wall. A moisture-proof layer is fixedly connected to one side of the pressure plate, and a fireproof layer is fixedly connected to one side of the moisture-proof layer. This double-sided composite fireproof and heat-insulating board, through the inclusion of the moisture-proof component, provides the following benefits during use: the pressure plate is impact-resistant and windproof; the moisture-proof layer prevents water vapor from entering the interior of the insulation board; the fireproof layer provides fire resistance and heat insulation; the insulation layer is used for the insulation core material; the vacuum layer improves the insulation performance; and the adhesive layer facilitates board installation. This achieves the effect of improving the device's moisture-proof performance, avoiding the situation where high humidity in the air during the rainy season in southern regions, coupled with indoor dampness, allows moisture to easily enter the core material, leading to internal moisture absorption and increased thermal conductivity.

The utility model provides a kind of collaborative fish school fishing system, including shipborne terminal and cloud server, shipborne terminal includes lifting mechanism and fish finder, fish finder includes shell body, inner shell, processing circuit, transducer, position adjusting mechanism and pulse electrode, after fish school signal is collected to fish finder, it can be sent to cloud server, cloud server carries out the sharing push of aggregation fish school position, realizes collaborative fish school fishing, and pulse electrode is set in the shell body inside of fish finder, position adjusting mechanism can drive pulse electrode to move along shell body inner wall, adjust the different position of pulse electrode to shell body, pulse electrode can form local pulse field in seawater outside shell body when operating, interfere with the movement of plankton, so that the attachment of plankton to shell body outside can be avoided, ensure that transducer can normally send and receive acoustic wave signal, while it can avoid affecting the normal sailing of fishing boat.

This utility model discloses a cutting device for tooth forming processing, including a cutting device body; a cutting box is provided on the cutting device body, a screw is rotatably installed in the cutting box, a limit rod is installed in the cutting box, a screw assembly is installed on the screw and the limit rod, an mounting plate is fixedly installed at the bottom of the screw assembly, a carrier platform motor is fixedly installed on the mounting plate, a dust cover is installed at the output end of the carrier platform motor, and a carrier platform is fixedly installed on the top of the dust cover; this utility model, by setting a dust collection component, when the tool cuts the material tray, the dust collection device sucks up the dust cut from the material tray through the dust collection port and the hose, the isolation plate in the cutting box isolates the screw, the limit rod and the screw assembly, further preventing the escaped dust from adhering to the screw behind the isolation plate, and at the same time the dust cover covers the carrier platform motor, protecting the output end of the carrier platform motor and preventing dust from adhering to the output end of the carrier platform motor and affecting the operation of the carrier platform motor.

The utility model belongs to the technical field of automobile wire harness processing equipment, and particularly relates to an automobile wire harness glue winding machine, the top surface of a base is connected with a glue winding machine body, the surface of one side of the glue winding machine body is provided with a feed port, and the top surface of the base at one side of the feed port is connected with a mounting frame. According to the rubber winding machine, the mounting rack, the positioning block, the cleaning brush, the fixing rod, the connecting plate and the screw rod are matched with one another, and the cleaning brush is fixedly arranged on the mounting rack firstly, so that when an automobile wire harness enters the rubber winding machine body through the feeding hole, the automobile wire harness can penetrate through the inner side of the cleaning brush on the mounting rack firstly; in this way, in the moving process of the automobile wire harness, the bristles on the inner side of the cleaning brush can clean dust or chippings attached to the surface of the outer side of the automobile wire harness, the cleanliness of the automobile wire harness is ensured, and the situation that the dust or chippings enter the adhesive tape winding machine body along with the automobile wire harness for adhesive tape winding operation, and the attaching degree of adhesive tape is affected is prevented.

The utility model relates to the technical field of medical instruments, in particular to a pressure steam cleaning device for a hard endoscope operating instrument, which comprises a machine body, a transparent sealing cover is slidably connected to the rear of the inner side of the machine body, and a push-pull steam nozzle rod is arranged on the right side of the rear inside the machine body. A pull-type telescopic flushing nozzle is fixedly connected to the rear of the right side of the top of the machine body, an exhaust fan is fixedly connected to the middle of the rear end face of the machine body, and an exhaust hole is formed between the rear of the interior of the machine body and the input end of the exhaust fan; through design cooperation of the push-pull type steam spray head rod and the cleaning roller, steam sprayed out of the push-pull type steam spray head rod can make uniform contact with an inner core clamp end tooth groove. And meanwhile, the steam conveying rod spray head is connected with the outer sleeve flushing hole, so that the device can perform high-temperature steam cleaning on the instrument outer sleeve limited in the outer sleeve clamping seat, and the purpose of mechanically cleaning the hard endoscope operation instrument is achieved.

The utility model discloses a display screen polaroid conveying positioning device based on guide type, including conveying frame, the inside uniform rotation of conveying frame installs a plurality of sheet conveying roller, the utility model relates to polaroid conveying technical field, this display screen polaroid conveying positioning device based on guide type, through the linkage cooperation of guide component and collection component, when sheet conveying roller is in the conveying work of display screen polaroid, can pass through the spacing of guide component's adjustment and the specification of display screen polaroid are adapted, make display screen polaroid can carry out the guide conveying work according to the scheduled route, and cooperate the rotation of guide roller and prevent the extrusion of display screen polaroid and conveying frame and the situation of knock, to improve the conveying pass rate and the guidance protection have good auxiliary function, when the display screen polaroid of sheet conveying roller conveying falls in the placement space of collection component's construction and is stacked after, can realize the positioning guide conveying of display screen polaroid.

The utility model discloses an automatic front position backflush filter device of hydroelectric generation, including pipe fitting, hydroelectric generation module, control module and control valve, the pipe fitting is equipped with intercommunication water inlet channel, domestic water outlet channel and clean outlet channel, the hydroelectric generation module sets up in water inlet channel, and the electricity is generated through the water flow drive, the control valve sets up on clean outlet channel, to control whether the clean outlet channel is conducted, the hydroelectric generation module and control valve are connected with control module electricity respectively, the hydroelectric generation module is the power supply of control module, and control module is according to the control valve switch of preset program control, the utility model discloses simple structure can be installed on the water pipe, need not external power supply, has realized the automation self -cleaning of water pipe, has improved water quality safety and pipe service life significantly, reduces manual maintenance cost simultaneously.

The utility model discloses a bean product cooking device which comprises a shell, a temperature guide plate is fixedly connected to the bottom of the inner wall of the shell, a heating plate is fixedly connected to the bottom of the temperature guide plate, a temperature guide ring is fixedly connected to the top of the temperature guide plate, and a hollow block is fixedly connected to the front face of the shell. And the top of the left side of the hollow block communicates with a fan. Materials are placed in the inner cavity of the temperature conducting ring, temperature conducting liquid is led in through the feeding pipe, then the fan, the heating plate and the heating net are controlled to work through the externally-arranged PLC, heat is transmitted to make contact with the materials through the temperature conducting plate to conduct cooking work, gas can be sucked in in the working process of the fan, the gas can be heated by the heating net in the sucking-in process, and therefore the materials are cooked. And then the heat is discharged into the inner cavity of the heat exchange pipe through the exhaust pipe, the heat is guided into the temperature conducting liquid through the heat exchange pipe, and then the temperature is guided out through the temperature conducting ring to be in contact with the materials, so that dual-heating cooking work is performed, and the work is efficient.

The utility model relates to the technical field of cable supporting, and discloses a ring main unit cable supporting assembly, which comprises a ring main unit body, a supporting frame is arranged in the ring main unit body, a plurality of groups of through holes are formed in the surface of the supporting frame, clamping assemblies are arranged in the plurality of groups of through holes, and the clamping assemblies are connected with the ring main unit body. A plurality of sliding grooves are formed in the supporting frame, and two storage frames are slidably connected into the sliding grooves. According to the ring main unit cable supporting assembly, through the arrangement of the clamping assembly, when the ring main unit cable supporting assembly is used, a cable penetrates through a through hole, at the moment, an extrusion spring pushes a moving rod to move in a sleeve, the moving rod moves to drive a clamping ring to move, and the clamping ring moves to clamp the cable; therefore, cables of different sizes can be firmly fixed at preset positions by the device, displacement, shaking or loosening of the cables caused by external force in the operation process is prevented, the position stability of the cables is ensured, and normal operation of an electrical system is ensured.

The utility model discloses a kind of efficient ventilation energy-saving doors and windows, including door frame, glass window is set in the middle of door frame, window frame is set in the both sides of glass window, window frame both sides wall is hinged with window, glass plate is set in the middle of window, handle is set in the middle of the front end of window, door frame is made of broken bridge aluminum material, glass window is made of double-layer toughened glass;Louver is set in the upper portion of the both sides wall of glass window, a plurality of air holes are set in the both sides of glass window, rotating cover is hinged in the upper end wall of air hole. By rotating louver, carry out air-permeable operation, rotate rotating cover, air can enter indoor from outside through air hole, dust in air is filtered by dust screen, air will drive dust screen to vibrate, thereby exacerbating the elastic movement of four springs, thereby drive dust screen to vibrate, avoid dust adhering to the surface of dust screen, prevent blockage, carry out ventilation under the condition of not opening window.

The utility model relates to the field of coating production, in particular to a water-based non-stick coating production filling coating barrel which comprises a bottom plate, a supporting frame is fixedly connected to the upper surface of the bottom plate, a storage barrel is arranged above the bottom plate, and two first hydraulic rods are fixedly mounted on the outer surface of the storage barrel; a lifting plate is arranged below the storage barrel, two connecting rods are rotatably connected to the two ends of the lifting plate, two fixing frames are arranged below the lifting plate, a fixing ring is fixedly connected to the bottom end of each fixing frame, and a supporting rod is rotatably connected to each fixing frame. Through the arrangement of components such as the fixing frame and the fixing ring, and through the mutual matching relation between the fixing frame and the fixing ring, the fixing frame can rotate to drive the fixing ring to clamp and fix the two sides of the split charging barrel; therefore, the effect that the split charging barrel is prevented from inclining laterally through the arrangement of the fixing frame, the fixing ring and other components is achieved.

The utility model discloses a kind of plasma generation devices, including device shell, positive plate, negative plate and voltage stabilizing device, dustproof filter screen is respectively attached and arranged in the left and right ends of device shell, and the upper end of dustproof filter screen is provided with limiting mechanism, the inside of device shell is installed fan, and the inside of device shell rear end is embedded with heat dissipation copper sheet, while the rear end of heat dissipation copper sheet is provided with heat dissipation fin, and heat dissipation fin stretches out the outside of device shell rear end.The plasma generation device can filter and dust removal treatment to the gas entering the inside of device shell, prevent dust from entering device shell, and combined with the setting of limiting mechanism, it is convenient to disassemble, clean and replace dustproof filter screen, prevent dust from adhering to dustproof filter screen for a long time, and combined with fan acceleration device shell inside gas flow, while it can quickly dissipate heat in device shell outward.

The application discloses a high-pressure sealed electronic oil pump convenient to install and a method, which comprises an electronic oil pump body, a connecting pipe joint inserted into the top of the electronic oil pump body, and a positioning structure arranged on the top of the electronic oil pump body and located on the inner side of the connecting pipe joint. The connecting pipe joint is inserted into the top of the electronic oil pump body, and the connecting pipe joint needs to be located on the inner side of the supporting plate. Then, a user pushes a transmission plate, the transmission plate is extruded and drives a clamping plate to rotate around the pin shaft on the surface of the connecting block. When the outer side of the clamping plate is in contact with the surface of the connecting pipe joint and the connecting pipe joint is tightly extruded on the surface of the supporting plate, the effect of stably installing and fixing the connecting pipe joint is achieved. The application can improve the connection mode of the existing electronic oil pump and the hose, and assists in connecting through the plug-in mode, prevents the hose from being loosened due to vibration, and avoids oil leakage.

This invention relates to the field of fiber processing equipment, specifically to a high-efficiency, low-dust fiber slicing device and method, comprising a frame and a slicing table. The slicing table is horizontally positioned at the bottom of the frame. An air collection hood, flush with and fitted to the bottom of the slicing table, is located inside the frame. A cutting section is positioned above the slicing table, and a transverse moving frame is fixed to the bottom of the frame. A longitudinal moving frame, supporting the cutting section, is horizontally positioned at the top of the transverse moving frame. The transverse and longitudinal moving frames form a sliding platform supporting the transverse and longitudinal movement of the cutting section. Vertically penetrating fixed air holes are densely distributed on the top side of the slicing table. The air collection hood includes a horizontally extending air box. The beneficial effects are: this invention employs a negative pressure adsorption flexible conveying structure, utilizing negative pressure holes on the roller surface to periodically adsorb and lift the fiber roll to complete material feeding, avoiding compaction and deformation of the fiber material, preserving the loose porous structure of the material, and improving the processing quality of the finished slicing product.

This utility model relates to the field of steel ball technology, and more particularly to a steel ball processing quenching and cooling device, comprising a housing, a feeding plate, and a baffle. The feeding plate is fixedly connected to the housing, and the baffle is fixedly connected to the feeding plate. The feeding plate has multiple grooves. It also includes a distribution pipe, fixed blocks, nozzles, and spray nozzles. Fixed blocks are fixedly connected to the baffle, and a distribution pipe is disposed between two fixed blocks. Three nozzles are disposed on the distribution pipe, and spray nozzles are also disposed on the spray nozzles. The distribution pipe distributes coolant to the three nozzles, and the spray nozzles form a fan-shaped spray covering the surface of the steel ball. This breaks the vapor film on the steel ball, allowing the coolant to directly contact the surface of the steel ball, ensuring a cooling effect.

This utility model relates to the field of thermostat technology and discloses a thermostat seat assembly, including a frame assembly and an adjustment assembly disposed inside the frame assembly, as well as a first closing assembly disposed at the bottom of the adjustment assembly and a second closing assembly disposed inside the adjustment assembly. The adjustment assembly includes an adjustment cylinder, and the adjustment cylinder is provided with a first adjustment chamber, a second adjustment chamber and a third adjustment chamber. By setting the first adjustment chamber, the second adjustment chamber and the third adjustment chamber, when the adjustment cylinder is in contact with the coolant, the filling material in the first adjustment chamber, the second adjustment chamber and the third adjustment chamber will be heated and expanded sequentially under different temperatures, and under the action of the first lifting head, the second lifting head and the third lifting head, the opening and closing size of the main valve will be adjusted sequentially, and the opening and closing size of the main valve and the bypass valve will be kept stable within a certain temperature range, thereby achieving a step-by-step incremental adjustment effect on the opening and closing size.

The utility model discloses a kind of clamping devices of cylinder cover processing, the supporting mechanism includes guide column, the bottom surface both sides of the guide column are fixedly connected with support foot, the lower end of the one side of the guide column is rotatably connected with knob, the one end fixedly connected with bidirectional screw rod in the inside of the knob is located guide column, the other end of the bidirectional screw rod is rotatably connected with guide column inner wall, the top surface of the guide column is equipped with mounting groove, the inside movable mounting of the mounting groove is equipped with mounting bracket, the middle part fixedly connected with pull rod of the mounting bracket is located in the side away from mounting groove, the inside upper end of the mounting bracket is also fixedly connected with dust screen, clamping fixation is carried out to cylinder cover by the clamping plate of both sides, and the movement of clamping plate is driven by bidirectional screw rod, the outside of bidirectional screw rod is isolated protection by guide column, can avoid the debris generated in cylinder cover processing to adhere on the surface of bidirectional screw rod.

The application discloses a kind of laser cutting equipment and method for metal processing, including base, the outside of the base is provided with wheel rotation mechanism, the wheel rotation mechanism includes rotating roller, the shaft end of the rotating roller is connected with support plate, the outer surface of the support plate is fixedly connected with the outer surface of base, the outer camber surface of the rotating roller is opened with clamping groove at equal angle, the outer surface of the rotating roller is fixedly connected with telescopic link on both sides, the output end of telescopic link on both sides is fixedly connected with connecting plate, the body of the connecting plate is rotatably connected with two rotating rods, one end of one rotating rod is fixedly connected with circular platform, relate to cutting equipment technical field, solve the problem that actual processing efficiency is reduced, power consumption is increased when existing laser cutting equipment is used, since only single metal pipe can be carried during cutting process, metal pipe cannot be accurately blanked due to not being provided with guiding and buffering measures, and metal pipe cannot be avoided to be damaged by collision.

The utility model discloses a clamping device for packing box processing, and relates to the technical field of clamping devices, the clamping device for packing box processing comprises a collecting box, the surface of the collecting box is fixedly connected with a filter screen, the surface of the collecting box is fixedly connected with a portal frame, and the surface of the portal frame is fixedly provided with a motor; a guide groove is formed in the surface of the portal frame, an output shaft of the motor is fixedly connected with a two-way threaded rod, the two-way threaded rod is rotationally connected with the inner wall of the guide groove, the surface of the two-way threaded rod is in threaded connection with a guide block, the guide block is slidably connected with the inner wall of the guide groove, and the surface of the guide block is fixedly connected with a guide block. The surface of the fixing plate is fixedly connected with a clamping plate, cleaning cotton slides downwards to clean the surface of the packaging box, then when the packaging box is used subsequently, the surface of the packaging box is cleaner and tidier, and then foreign matter and dust are prevented from being attached to the surface of the packaging box.

This invention provides an online sulfate monitor, relating to the field of monitoring device technology. It includes a processing tank with a stirring assembly on its outer wall. The stirring assembly includes a long rod, a single-sided gear fixedly mounted on the outer wall of the long rod, a rack meshing with the outer wall of the single-sided gear, and an L-shaped bent rod fixedly mounted on the outer wall of the rack. A first elastic element is sleeved on the outer wall of the L-shaped bent rod. This invention, by setting up the stirring assembly, achieves thorough mixing of the liquid to be monitored. A motor drives the long rod to rotate the stirring rod. The design of the stirring rod adapting to the inner wall of the processing tank ensures uniform mixing of the liquid, resulting in a consistent distribution of sulfate ions and avoiding monitoring deviations caused by uneven concentration. Simultaneously, during the stirring process, the impact plate reciprocates through the elastic element's reset mechanism, preventing liquid from adhering to the tank wall. The scraper, under the action of the elastic element, rotates tightly against the bottom of the tank, effectively removing bottom deposits and reducing contamination of the sample.

The invention belongs to the technical field of marine large-diameter pipeline welding, and particularly relates to a marine large-diameter pipeline welding device and a welding method thereof.The marine large-diameter pipeline welding device comprises a welding table and a welding treatment mechanism, the left end and the right end of the welding table are fixedly connected with pipeline welding frames, and the upper surface of the welding table is fixedly connected with an arc-shaped supporting pad. Eccentric movement of the eccentric shaft enables the piston connecting rod to drive the lower pressing block to slide up and down in the sliding support, when the lower pressing block slides up and down in the sliding support, the touch pressing plate keeps a certain reset effect under the action of the torsion spring, and when the touch pressing plate extends to one end of the outer side of the lower end of the sliding support to make contact with a weld joint part, the touch pressing plate is reset. When a pipeline is welded, the touch pressing plate compresses the torsion spring due to resistance, at the moment, the lower pressing block continues to press downwards, the hammer head can be driven by the touch pressing plate to collide with the joint of the two marine pipe bodies, impurity attachment is prevented, and the welding seam position can be collided after the pipeline is welded so that the welding effect can be detected conveniently.

The utility model discloses an ultrasonic cleaning device for marine parts, which relates to the technical field of ultrasonic cleaning and is characterized in that an ultrasonic device is mounted on the inner wall of a cleaning pool, conveying components are mounted on the outer side walls of the cleaning pool, and a plurality of collecting baskets are uniformly placed at the tops of the outer walls of the two conveying components. According to the ultrasonic cleaning device for the marine parts, under the mutual cooperation work of all parts in the conveying assembly and the hoisting assembly, when the marine parts are cleaned, the parts to be cleaned can be put into a collecting basket in advance and conveyed to the position to be hoisted in the cleaning process; and the cleaned part collecting basket is hoisted out and conveyed out, so that the waiting time for taking and placing the parts can be shortened, the situation of a cleaning empty window period can be avoided during use, and the part cleaning efficiency is improved.

The invention discloses a tobacco shred width online sampling detection device and a detection method, and aims to solve the problems of low detection efficiency, insufficient real-time performance, high tobacco shred clustering lap joint rate, transparent pressing plate pollution and the like in the prior art. According to the technical scheme, the tobacco shred width online sampling detection device is arranged on a tobacco shred conveying line, the core of the tobacco shred width online sampling detection device comprises a material receiving and conveying mechanism, a material scattering device of a vibration scattering device, a tobacco shred flattening and conveying mechanism and a visual detection mechanism; the vibration shaking device is used for loosening and raking the clustered and lapped tobacco shreds, so that the lapping rate and the agglomeration rate are reduced, full preparation is made for flattening the tobacco shreds, and the single tobacco shred rate is increased. According to the detection method, detection is completed through differential conveying and primary spreading, four-layer progressive vibration material scattering, conveying, clamping and flattening and visual acquisition of high-flattening-rate tobacco shred images. According to the scheme, the uniformity of tobacco shred bulk materials is greatly improved, the clustering lap joint rate is reduced, pressing plate pollution is avoided, real-time online detection is achieved, the detection efficiency and continuity are improved, the detection efficiency is improved, and guarantee is provided for stable cigarette quality.

This utility model provides an adjustable dust collection hood for workshop dust removal, including an extraction pipe, a flexible hose, mounting rings, an adjusting frame, a fixing frame, and a dust collection hood. One end of the extraction pipe is connected to a corresponding external device, and a flexible hose is fixed in the middle of the extraction pipe. Several mounting rings are fixed to the outer side of the extraction pipe, and the mounting rings are slidably connected to corresponding structures of the adjusting frame. The adjusting frame is fixed to the lower side of the fixing frame, which is fixed to a fixed structure in the workshop. The dust collection hood is fixed to the end of the extraction pipe away from the corresponding external device. The adjusting frame of this utility model allows for adjustment of the position of the dust collection hood, thereby expanding the dust collection range. Furthermore, the dust collection hood allows for cleaning of the inner wall of the hood, thus preventing dust from adhering to the inner wall of the hood.

The application relates to the technical field of gas-direct sampling type online analyzers, in particular to a chemical waste gas chlorination gas-direct sampling type online analyzer, which comprises a gas-direct sampling type online analyzer and a protective cover. A dust removal mechanism is arranged on the front face of the gas-direct sampling type online analyzer. The dust removal mechanism comprises sliding rails and a solenoid valve which is opened and closed at a fixed time, so that compressed air in a gas storage tank is converted into a high-speed pulse airflow and discharged through a spray head, dust on the surface of a filter screen is blown off and falls into a dust falling groove, dust blockage of the filter screen is avoided, airflow stagnation is caused, an acceleration sensor senses a weight decrease of a dust shielding plate, signals are fed back to a microcontroller, the microcontroller controls a fan to be turned on, the fan introduces wind into a blowing main pipe and a horizontal pipe, and the wind is blown into the front face of a display screen from top to bottom through a gas blowing groove which is obliquely arranged on the horizontal pipe, so that the function of automatically blowing dust off the screen of the display screen is achieved, and the dust shielding plate covers the display screen, so that dust adhesion is avoided.

This invention discloses a 750kV non-powered, wind-driven insulator cleaning device, including an insulator with an air inlet frame at its bottom. An impeller is rotatably mounted on the right side of the air inlet frame, a first gear is driven by the impeller, a cleaning brush is arranged around the outer periphery of the insulator and is driven by the first gear, an air jet frame is mounted on the side of the insulator, a second gear meshes with the first gear, and an air outlet pipe is located on the right side of the air jet frame. It also includes a dust collection component for adsorbing and scraping dust off the cleaning brush. This device utilizes natural wind power to drive the impeller to rotate, and the cleaning brush automatically cleans the surface of the insulator through gear transmission. Simultaneously, the dust generated during cleaning is collected and stored by the dust collection component, avoiding secondary pollution. This invention has a simple and compact structure, achieves automatic cleaning without an external power source, and is particularly suitable for the daily maintenance of power equipment in remote areas.