232results about How to "Extended replacement cycle" patented technology

The invention discloses an intelligent electric regulating valve and a control method thereof, and relates to the technical field of regulating valves, the intelligent electric regulating valve comprises a valve body and an actuator, the valve body comprises a shell, a flow inlet channel and a flow outlet channel which are communicated with each other are arranged in the shell, a sealing cavity is formed between the flow inlet channel and the flow outlet channel, and a valve seat is arranged in the sealing cavity; a sealing hole is formed in the valve seat, an arc-shaped sealing face is formed in the valve seat, a valve element is arranged between the valve body and the actuator, the valve element comprises a valve rod and a valve head, the valve rod is connected with the shell in a sealed and sliding mode, the valve head is located in the shell and matched with the valve seat, and the valve sleeve is arranged on the valve head and matched with the valve seat. By means of the detachably-arranged valve sleeve, after the adjusting valve is used for a period of time, the sealing face of the valve sleeve is scoured by fluid media and then is greatly abraded, workers can solve the problem of the sealing performance of the valve element in the mode that the valve sleeve is replaced, and compared with a valve element of an integrated structure, the mode has the advantages of being simple, efficient and capable of saving cost.

The utility model discloses a system for treating amorphous silicon powder in electronic-grade polycrystalline silicon tail gas, relates to the technical field of polycrystalline silicon production, and mainly aims to remove and reduce the amorphous silicon powder in the tail gas and reduce the failure rate of tail gas recovery unit equipment. According to the main technical scheme, the treatment system for the amorphous silicon powder in the electronic-grade polycrystalline silicon tail gas is characterized in that the upper end of a tower body is connected to an exhaust pipe, and the lower end of the tower body is connected to a filter; the separation part comprises a spraying mechanism and a cyclone separation mechanism, the spraying mechanism and the cyclone separation mechanism are sequentially arranged in the tower body from top to bottom, the spraying mechanism comprises a spraying structure and a filler structure which are sequentially arranged from top to bottom, a tangential inlet pipe of the cyclone separation mechanism penetrates through the side wall of the tower body, and a tangential outlet pipe of the cyclone separation mechanism penetrates through the side wall of the tower body. A cover body is arranged at an upper end outlet of the cyclone separation mechanism and is used for preventing spraying liquid from entering the cyclone separation mechanism through the upper end outlet.

The utility model discloses a two-stage coal blending system based on coking coal grading and grading crushing, and belongs to the technical field of coal storage and blending. The coal blending system comprises a hard coal silo, a two-stage screening and crushing mechanism, a coal blending bunker and a coal bunker, a discharging port of the hard coal silo is connected with a feeding port of the first-stage screening and crushing mechanism through a belt, and a discharging port of the first-stage screening and crushing mechanism is connected with a feeding port of the coal blending bunker through a belt; a discharging port of the coal blending bin is connected with a feeding port of the second-stage screening and crushing mechanism through a belt, and a discharging port of the second-stage screening and crushing mechanism is connected with a feeding port of the coal bin through a belt. By adopting the coal blending system disclosed by the utility model, the characteristics of various coals are effectively utilized, and various coking coals are matched according to a proportion, screened and then crushed, so that the mixing uniformity of the coals is improved, the phenomenon of coarse coal leakage in the coal blending process is improved, the coke quality is improved, and the coal blending cost is also reduced.

The invention provides cooling circulating water activated carbon filtering equipment, and belongs to the technical field of circulating water filtering, the cooling circulating water activated carbon filtering equipment comprises a shell, the shell is internally provided with a water inlet mechanism, an interception screen plate, a secondary interception piece, an overflow impurity removal mechanism, an activated carbon adsorption mechanism and a flow guide mechanism, and the interception screen plate is located below the water inlet mechanism; the secondary interception piece comprises an arc-shaped plate and two interception net hoppers, the middle of the arc-shaped plate protrudes upwards and is located below the interception net hoppers, the two interception net hoppers are located on the two sides of the bottom of the arc-shaped plate, the overflow impurity removal mechanism comprises an overflow plate and a sponge block, and the overflow plate comprises an arc-shaped concave section and inclined sections located at the two ends of the arc-shaped concave section. The sponge block is located in the arc-shaped sunken section, the two activated carbon adsorption mechanisms are located on the two sides of the bottom of the overflow plate correspondingly, and the flow guide mechanism is located on the lower portion of the overflow plate and used for guiding cooling circulating water into any water storage tank. According to the invention, cooling circulating water is subjected to multi-stage filtration before reaching activated carbon, so that the replacement period of the activated carbon is prolonged.

The invention discloses organic silicon resin production equipment, and relates to the technical field of production. The device comprises a device body, a driving assembly is arranged at the top of the device body, a supporting assembly is arranged at the bottom of the device body, an electric telescopic rotating column is rotationally installed at the top of the inner wall of the device body, and an arc-shaped groove is formed in the outer wall of the electric telescopic rotating column; a filter plate is fixedly mounted on the outer wall of the telescopic end of the electric telescopic rotary column, and an anti-sticking device for avoiding non-uniform stirring of raw materials is arranged on the periphery of the electric telescopic rotary column. Through cooperation of an electric telescopic rotating column, a stirring block and a filter plate, the stirring block dynamically stirs raw materials, and the stirring effect is improved by turning over the center of the raw materials through the cambered surface treatment of the stirring block; and meanwhile, the filter plate moves dynamically to remove impurities in the raw materials, so that the removal effect on small-particle impurities is improved, and the purity and quality of the materials are guaranteed.

The utility model belongs to the technical field of water treatment, and provides an electrochemical circulating water descaling device which comprises a pipe barrel body, a water inlet pipe, a water outlet pipe and a water outlet pipe, the electrochemical mechanism comprises a power supply, an anode plate and a cathode tube; the anode plate is arranged on the inner tube wall of the tube barrel, the cathode tube comprises an insertion part and a scaling part which are connected, the insertion part vertically penetrates through the tube wall of the tube barrel, and the scaling part is located in the tube barrel and is parallel to the axis of the tube barrel; and the cathode tube is also provided with a plurality of branch parts which are arranged at the periphery of the scaling part at intervals. The electrochemical circulating water descaling device provided by the utility model is convenient and fast to use and can be directly connected into a circulating water pipeline for use, and the effective contact area of the electrode is increased, so that the electrolysis efficiency and the descaling efficiency are improved, and the service life of the cathode electrode is effectively prolonged.

The invention discloses special high-temperature-resistant silicone rubber for a gold stamping wheel and a preparation method of the special high-temperature-resistant silicone rubber. The silicone rubber is prepared from the following components in parts by mass: 90 to 110 parts of methyl vinyl silicone rubber, 20 to 50 parts of fumed silica, 3 to 9 parts of diphenyl silanediol, 0.5 to 1.0 part of coupling agent, 30 to 60 parts of inorganic filler, 0.1 to 1 part of hydrogen-containing silicone oil, 1 to 10 parts of temperature-resistant additive, 0.05 to 0.5 part of stearic acid and 0.8 to 2 parts of vulcanizing agent. The silicone rubber also comprises 4 to 6 parts of polydimethylsiloxane-hydroxyl and 4 to 6 parts of vinyl silicone resin; 3 to 5 parts of vinyl silicone resin; according to the special high-temperature-resistant silicon rubber for the gold stamping wheel and the preparation method of the special high-temperature-resistant silicon rubber, the silicon rubber with excellent mechanical property and temperature resistance can be prepared, the gold stamping wheel prepared from the silicon rubber can still ensure the temperature resistance, wear resistance and compression-resistant rebound resilience when the gold stamping wheel is in a high-temperature pressed state, and the high-temperature-resistant silicon rubber can still keep the temperature resistance, wear resistance and compression-resistant rebound resilience in a high-temperature environment. The degradation effect and the fatigue resistance of the silicone rubber base material are inhibited.

The utility model discloses an ultrafiltration reverse osmosis membrane group structure, which belongs to the technical field of water treatment and comprises a cylinder, an end cover and a filter component, the filter component comprises PP cotton, an ultrafiltration membrane and a reverse osmosis membrane, two ends of the PP cotton, the ultrafiltration membrane and the reverse osmosis membrane are clamped in annular grooves, the PP cotton, the ultrafiltration membrane and the reverse osmosis membrane are sequentially arranged from inside to outside, and the end cover is arranged on the cylinder. Locking grooves are formed in the two sides of the end cover, grooves are formed in the two sides of the through opening, springs are fixedly connected to the inner walls of the grooves, and locking blocks are fixedly connected to one ends of the springs; by arranging the filter assembly, raw water is sequentially filtered for multiple times through the PP cotton, the ultrafiltration membrane and the reverse osmosis membrane, and the PP cotton and the ultrafiltration membrane can filter out large-particle impurities in water before the water enters the reverse osmosis membrane to be filtered, so that the impurities attached to the surface of the reverse osmosis membrane are reduced, the replacement period of the reverse osmosis membrane can be prolonged, and the replacement frequency of the reverse osmosis membrane can be reduced; therefore, the replacement cost can be reduced.

The utility model relates to the technical field of fire-fighting equipment, and provides a fire-fighting smoke exhaust device which comprises a flue, a smoke exhaust fan arranged at one end of the flue and a filter unit arranged at the other end of the flue, the filter unit comprises an outer frame, and two filter screen plates arranged up and down are arranged in the outer frame; limiting on the two filter screen plates is relieved through the second driving mechanism, then the first driving mechanism drives the outer frame to rotate, the using positions of the two filter screen plates are adjusted up and down, then positioning is conducted through the second driving mechanism, and the filter screen plates with more dust attached to the surfaces are changed from the lower portion to the upper portion. The filter screen plate with less dust attached to the surface is replaced from the upper part to the lower part, so that the service life of the filter screen plate is prolonged, the replacement period is prolonged, and the problem that the whole filter screen needs to be replaced or cleaned in the prior art is solved.

The invention discloses a fine filter for refining fuel oil, and relates to the technical field of filtration. The fine filter for refined fuel oil comprises a shell assembly, the shell assembly comprises an outer cylinder, an upper cover plate and a first lower sealing plate, the upper cover plate is fixedly connected to the top end of the outer cylinder, and the first lower sealing plate is fixedly connected to the bottom end of the outer cylinder; the inner cylinder is rotationally installed at the axis position in the shell assembly, and the axis of the inner cylinder is parallel to the axis of the outer cylinder; and the annular filter screen is vertically installed in the shell assembly, and the annular filter screen is located between the inner cylinder and the outer cylinder. The dirt scraping mechanisms are arranged at the filter screen and the filter element respectively, the dirt discharging mechanism is arranged at the bottom end of the inner cylinder, accumulated dirt generated during filtering of the device is transferred into the conical containing cavity and discharged through the dirt discharging mechanism, dirt discharging work can be carried out during filtering work, shutdown treatment is not needed during dirt discharging, and the device is convenient to use. And the replacement period and the service life of the filter element and the filter screen are prolonged.

A liquid inlet pipe is arranged on a bottom plate of a bottom supporting groove, a lower sealing plate is installed in the bottom supporting groove, an anode main body and a workpiece copper pipe are assembled on the lower sealing plate, a liquid inlet hole is formed in the lower sealing plate between the anode main body and the workpiece copper pipe, the liquid inlet pipe is communicated with the liquid inlet hole, and the liquid inlet pipe is communicated with the liquid inlet hole. The liquid return box body is a sealed box body with an opening in the bottom surface, an upper sealing plate is mounted on the opening end surface of the liquid return box body, the top of the liquid return box body is mounted on the support frame main body through a group of lifting cylinders, and a circulating liquid outlet of the upper sealing plate is in sealed butt joint with the upper end surface of a workpiece copper pipe due to the maximum descending stroke of the lifting cylinders; the anode wiring mechanism is used for being connected with an anode main body located in the liquid return box body and assembled on the liquid return box body, and the cathode wiring mechanism is used for being connected with a workpiece copper pipe and assembled on the supporting frame main body. According to the utility model, a plating solution forms a fluid between the workpiece copper pipe and the anode main body, and the plating solution is rapidly deposited and electroplated under the action of a strong electric field.

The invention discloses a top coat drying device for aluminum foil production, and relates to the technical field of drying. A motor is arranged on the left side of the device body, a rotating rod is rotatably mounted on the inner wall of the device body, the left end of the rotating rod penetrates through and is fixedly mounted on the right side of the output end of the motor, and a reciprocating spiral groove is formed in the left side of the outer wall of the rotating rod; limiting grooves are formed in the inner walls of the sides, close to the rotating rod, of the multiple grooving frames. Static drying of the aluminum foil is distinguished, much water remaining on the surface of the aluminum foil is removed through swinging of rotating centrifugal force, and the phenomenon that the fracture risk is increased due to internal stress enhancement of the aluminum foil due to long drying time is avoided; meanwhile, far-near blowing drying is conducted on the aluminum foil, and deformation of the aluminum foil in the rotating process caused by breaking drying heat balance due to over-high local area temperature of the aluminum foil is effectively prevented.

The utility model relates to the technical field of strip steel surface cleaning, in particular to a strip steel electrolytic polishing device and a cold-rolled strip steel processing system. Comprising an electrolytic bath and conductive rollers located on the two sides outside the electrolytic bath body and used for conveying strip steel, the electrolytic bath is provided with a strip steel inlet, a strip steel outlet, an electrolyte inlet and an electrolyte outlet, a strip steel running channel is formed between the strip steel inlet and the strip steel outlet, and an electrode plate is arranged in the electrolytic bath. The conductive roller is connected with a positive electrode of an external power supply, the electrode plate is connected with a negative electrode of the external power supply, and the electrolytic bath is connected with an exhaust pipe. The device can clean the strip steel, and is connected with an external power supply through the conductive roller and the electrode plate to form an electrolysis loop, so that rust and iron powder on the surface of the strip steel are removed, residues and spots after cold rolling of the strip steel are thoroughly removed, the cleanliness of the surface of the strip steel is greatly improved, and the quality of the strip steel is improved.

The utility model provides a medical bed for lumbar vertebra nursing. The medical bed comprises a bed frame; the mattress is laid on the bed frame, and a hole is formed in the waist of the patient; the supporting assembly is arranged in the hole of the mattress; the supporting assembly comprises a mounting groove which is clamped in the cavity of the mattress and lapped on the bed frame; the cushion block has elasticity, and the shape of the cushion block is the same as that of a notch of the mounting groove; and the outer protection pad covers the outer side of the cushion block and is embedded into the notch of the mounting groove along with the cushion block. The device overcomes the defect that a medical bed in the prior art is inconvenient to use due to the fact that a whole bed pad or mattress is adopted to support and nurse the waist of a patient.

This application discloses an integrated cleaning device, relating to the field of cleaning equipment, comprising a frame; a loading rack installed at one end of the frame; a unloading rack installed at the other end of the frame; a transfer mechanism installed on the frame and used for transferring optical components; a hydrocarbon cleaning unit installed on the frame and adjacent to the loading rack, the hydrocarbon cleaning unit being used to clean optical components using hydrocarbon solvents; and an HFE cleaning unit installed on the frame and adjacent to the unloading rack. This application reduces the footprint by integrating the hydrocarbon cleaning unit and the HFE cleaning unit onto the frame; it reduces mutual interference and improves safety by physically isolating the hydrocarbon cleaning unit and the HFE cleaning unit with partitions; and it prevents large amounts of hydrocarbon solvent from entering the next process by using air knife purging, greatly reducing the contamination load of subsequent HFE solvents and minimizing cross-contamination.

The utility model discloses a chemical fertilizer production granulation cooling assembly, which belongs to the technical field of chemical fertilizer production equipment and comprises a heat absorption pipe communicated with the inside of a granulator, a filter box fixed at one end of the heat absorption pipe and used for dust filtration, and a filter plate detachably mounted in the filter box and used for dust filtration, the air guide pipe and the heat absorption branch pipe are fixed on the filter box, the air guide pipe and the heat absorption branch pipe are oppositely distributed on the filter box, and the blowing and sucking dual-purpose pump is fixed at one end of the air guide pipe and is used for extracting heat in the granulator. The cleaning roller, the blocking plate, the dust discharging pipe, the electromagnetic valve and other structures are used in cooperation, the operation state of the blowing and sucking dual-purpose pump and the heat evacuation path in the granulator are switched, on the premise that operation and cooling of the granulator are not affected, the effect of cleaning the blocking face of the filter plate through back flushing is achieved, two purposes are achieved, and the production efficiency is improved. The period of dismounting, cleaning or replacing the filter plate is prolonged, and manpower and material resource cost for cleaning is saved.

The utility model discloses a smart card elevator access management system, which comprises an elevator personnel access controller; the elevator personnel access controller comprises a main control module, a human body induction radar sensor, a password keyboard module, a face recognition module, an IC card reading module, an LCD display screen, an elevator key control module and a power module. The corresponding ends of the main control module are electrically connected with the corresponding ends of the human body induction radar sensor, the password keyboard module, the face recognition module, the IC card reading module and the elevator key control module. By means of various authentication modes such as the IC card, face recognition and passwords, use of unauthorized personnel is effectively limited, and the use safety of the elevator is improved. The low-power-consumption design is adopted, the power module is intelligently controlled through the human body induction radar, the low-power-consumption mode is automatically entered when no one uses the device, electric energy is saved, and electric charge expenditure is reduced.

The invention discloses a high-strength and super-wear-resistant steel spoke pulley, which relates to the technical field of steel spoke pulleys for elevators, and comprises a steel spoke supporting surface, wherein the outer ring of the steel spoke supporting surface is integrally cast and connected with a working surface by means of centrifugal polymerization, and the working surface of the invention is a high-strength and super-wear-resistant working surface; a metal bearing chamber is arranged at the inner ring of the steel spoke supporting surface, and the metal bearing chamber and the steel spoke supporting surface are fixedly connected by means of stretching, spinning, riveting or welding processes; the high-strength and super-wear-resistant steel spoke pulley provided by the invention combines the metal bearing chamber, the steel spoke supporting surface and the working surface, thereby improving the load-bearing capacity of the pulley, avoiding the brittle defects of traditional cast pulleys, and effectively solving the disadvantages of unstable and poor strength of plastic products.

The utility model relates to the technical field of textile machinery, in particular to a bearing special for a spindle. A spindle in a two-for-one twister is a key component, the requirement for the spindle during high-speed operation is high, the requirement for a bearing in the spindle is high, and in the prior art, the bearing is short in service life, poor in sealing performance, prone to volatilization of lubricating oil, short in replacement period and high in cost. According to the bearing special for the spindle, a retainer is flush with one end of an outer ring, and a sealing cover is located on the other side of the retainer; the sealing cover comprises a framework and a sealing ring, the sealing ring is composed of three parts, namely a first sealing ring and a second sealing ring which are of lip-shaped structures, and the first sealing ring and the second sealing ring are connected to form a concave cavity used for storing overflowing grease. The retainer is flush with one end of the outer ring, the retainer is effectively supported and prevented from moving downwards, the bearing force of a spindle is high, double sealing of the first seal and the second seal is adopted, the sealing performance is good, volatilization of lubricating grease is reduced, the service life of the bearing is greatly prolonged, the replacement period of the bearing is prolonged, and the cost is reduced.

The invention discloses an elastic side bearing and a method for adjusting abrasion limit, the elastic side bearing comprises a side bearing main body, a support plate arranged at the top of the side bearing main body and a side bearing abrasion plate arranged on the support plate, the side bearing abrasion plate comprises an abrasion plate main body and a fixing ring, the wearing plate main body comprises a wearing layer and a non-wearing layer arranged at the bottom of the wearing layer, the fixing ring sleeves the outer side wall of the non-wearing layer and is in interference fit with the non-wearing layer, the upper surface of the fixing ring is in contact with the lower surface of the wearing layer, the fixing ring is pressed in a groove in the top of the supporting plate, and the upper surface of the wearing layer is higher than the upper surface of the supporting plate in elevation. The composite side bearing wearing plate structure combining the metal wearing layer and the non-wearing layer is introduced, and meanwhile, the thickness-adjustable fixing ring is introduced, so that a more efficient and convenient side bearing maintenance mechanism is realized. In this way, not only can the durability and reliability of the side bearing system be greatly improved, but also the maintenance cost during operation can be remarkably reduced, and substantial improvement is brought to the railway transportation industry.

The utility model discloses railway turnout switching equipment and a turnout hook-shaped external locking device thereof, which belong to the technical field of rail transit, and the turnout hook-shaped external locking device comprises a switch rail connecting iron component, a push-pull plate component, a connecting iron seat component and a lock hook, the push-pull plate assembly is connected with the switch rail connecting iron assembly and the connecting iron base assembly. The switch rail connecting iron assembly is connected with the connecting iron seat assembly; and the lock hook is connected with the connecting iron seat assembly. The turnout hook-type external locking device is simple in structure, convenient to install, reasonable in design, small in abrasion between parts, long in replacement period, small in later maintenance workload, high in adaptability to extension and retraction of a switch rail, beneficial to keeping parallelism between the external locking parts, capable of reducing frictional resistance during turnout switching, capable of improving reliability of turnout switching, and capable of being used for improving the reliability of turnout switching. And the workload of turnout maintenance is reduced.

The invention relates to the technical field of electric power inspection and maintenance robot control, and discloses a power transmission line crawling robot lifting self-adaptive shake suppression control method and system. The method comprises the following steps: acquiring three-axis acceleration and three-axis angular velocity data of a robot platform, calculating a yaw angle and an angular velocity of the robot platform relative to a vertical balance position, and constructing an evaluation index representing the shaking strength of the platform; according to the shake strength evaluation index, driving parameters of a lifting motor are dynamically adjusted through a nonlinear mapping relation; and the swing period and phase of the robot platform are monitored, and when the platform swings to a specific phase point, an instantaneous driving pulse is applied to a lifting motor to consume swing energy. By means of the method, the maximum swing angle of the robot platform can be reduced by 60% or above, the static time after the robot platform reaches the target position is shortened by 70% or above, and the working efficiency is remarkably improved.

The utility model discloses a hydrogen peroxide oxidation tower, and belongs to the technical field of oxidation towers. The tower body comprises a liquid feeding and discharging assembly and a filtering assembly, and the filtering assembly is provided with a second filter screen suitable for filtering; the adjusting assembly comprises a protective shell and a motor, a rotating shaft is installed at the output end of the motor, and the rotating shaft is rotationally installed in the protective shell and the tower body; the second mounting block is mounted at the end, away from the motor, of the rotating shaft, and the end, away from the rotating shaft, of the second mounting block is mounted on one side of the second filter screen; the fixed rod is mounted in the tower body; the first mounting block is mounted on the fixing rod, and one end, far away from the fixing rod, of the first mounting block is mounted on the other side of the second filter screen. According to the hydrogen peroxide oxidation tower, the angle of the filter screen in the tower body is adjusted through the adjusting assembly, so that the filter screen is conveniently cleaned subsequently, the replacement period of the filter screen is prolonged, and the effect of adjusting the filter screen is achieved.

The application provides a middle shaft bowl set surface grinding device capable of reducing noise, relates to the technical field of middle shaft bowl set grinding, and comprises a fixed base, one side of the fixed base is provided with a fixed support plate, the top of a sealing cover is provided with an air pump, an output end of the air pump is provided with a main flow pipe, the sealing cover is located on the outer side of a positioning cover, the side of the main flow pipe is connected with a branch flow pipe, the branch flow pipe penetrates through the side of the sealing cover and is provided with a cleaning pipe, the cleaning pipe is installed on the inner side of the sealing cover, a groove is formed in the cleaning pipe, and the cleaning pipe is located at the bottom of a sound-absorbing plate. High-pressure airflow is guided to the cleaning pipe through the main flow pipe and the branch flow pipe, the high-pressure airflow sprayed from the groove of the cleaning pipe is used for cleaning the metal dust attached to the sound-absorbing plate, the problem that the metal dust is accumulated on the sound-absorbing plate is effectively avoided, and the problem that the metal dust generated in the grinding process is diffused along with airflow and attached to the surface of the sound-absorbing material, thereby seriously weakening the noise reduction effect is solved.

The utility model relates to material transportation is with iron removal and divides material device, including transfer hopper, bidirectional belt conveyor, strong magnetic de-ironer and plate chain conveyor, the transfer hopper is used for storing material, its bottom is connected with the discharge pipe, and the discharge is aligned bidirectional belt conveyor's feed end, the strong magnetic de-ironer is installed in the top of bidirectional belt conveyor, is used for removing the iron impurity in material, the discharge end of bidirectional belt conveyor is connected with the feed end of plate chain conveyor, is used for conveying material to subsequent section, can form gradient magnetic field through the strong magnetic de-ironer and electromagnet bar array through the utility model, utilize the principle that ferromagnetic substance is stressed in the magnetic field, realizes the efficient removal of different particle size iron miscellaneous.

This utility model provides a sealing strip structure for a bag opening machine to prevent fabric displacement, belonging to the technical field of bag opening machines. This sealing strip structure includes a bag opening machine body. Two long sealing strips are arranged opposite each other on one side of the body. Two rotating shafts are rotatably connected within each sealing strip. An installation assembly is fixedly connected to one end of each shaft. A rubber strip is fixedly connected within the installation assembly. Two snap-fit ​​components are arranged opposite each other within each sealing strip, snapping with the rotating shafts. A pulling component is fixedly connected to the top of each sealing strip, connecting with the snap-fit ​​components. In this application, the sealing strip structure facilitates timely rotation when one side of the rubber strip shows fatigue or wear, allowing the use of the rubber strip on the other side. This facilitates quick maintenance, extends the replacement cycle, reduces operating costs, and allows for easy and quick disassembly and replacement of the rubber strip.

The utility model belongs to the technical field of full-automatic water purifiers, and particularly relates to a filtering structure and a full-automatic water purifier, the filtering structure comprises a mounting seat and a driving motor, a water receiving pipe is mounted in the mounting seat, an output shaft of the driving motor is fixed with a fluted disc, and the fluted disc is in butt joint with a gear ring; the device has the beneficial effects that a cleaning brush is placed on the upper side of the filter screen, a butt joint ring frame is in butt joint with a water receiving pipe, a mounting cover and a mounting base are limited together, a driving motor is started, a connecting ring drives the cleaning brush to rotate, the cleaning brush can sweep off pollutants blocked by the filter screen, and the filter screen can be prevented from being completely blocked; when the filter screen needs to be replaced, the limiting cover and the butt joint cover are rotated, and the mounting cover can be taken down to replace the filter screen, so that the filter screen of the full-automatic water purifier is convenient to replace.

The present invention discloses an anti-deviation device, comprising a roller device (1) and a track device (2), wherein the roller device (1) comprises a support, a support shaft (3) and a roller (4), wherein both ends of the support shaft (3) are supported by the support, the roller (4) is arranged on the support shaft (3) and can rotate on the support shaft (3), and the roller (4) is provided with an annular track groove, wherein the groove bottom of the track groove is a cylindrical surface (5), the groove wall of the track groove is a conical surface (6), and the groove bottom and the groove wall of the track groove are connected to a first arc surface (7), the first arc surface (7) connects the cylindrical surface (5) and the conical surface (6) and is tangent to the cylindrical surface (5) and the conical surface (6), and the track groove is used to support the track device (2), and the track device (2) rolls back and forth on the roller (4) in a use state. The beneficial effect of the present invention is that the present invention solves the technical defect in the prior art that the grate bed deviates when performing reciprocating linear operation.

The invention discloses a welding positioner electrode device and method, and relates to the technical field of welding positioner electrode devices.The welding positioner electrode device comprises an insulating plate connected to a welding positioner, a mounting base is connected to the insulating plate in a penetrating mode, the mounting base and the insulating plate are connected through a bolt, and a plug sleeve is connected to the mounting base in an inserted mode; the mounting seat is connected with the plugging sleeve through a screw, a conductive rod is slidably arranged in the plugging sleeve in a penetrating manner, one end of the conductive rod is in contact with a rotary disc on the welding positioner, the other end of the conductive rod is provided with a wiring module, and a contact pressure maintaining structure is arranged in the plugging sleeve. The current-conducting rod is supported through the reset spring, when the current-conducting rod is abraded, the reset spring extends, the contact pressure between the current-conducting rod and the rotary disc of the welding positioner cannot directly disappear, and the conductivity between the current-conducting rod and the rotary disc is guaranteed.

The utility model provides a pavement runoff initial rain sewage multi-medium treatment device which comprises an oil separation sedimentation tank, an oil separation plate is arranged in the tank body, a water flow channel is formed between the bottom end of the oil separation plate and the bottom surface of the tank body, and a floating type oil separation layer is arranged in the tank body at the upstream of the oil separation plate; the filler filter tank is positioned at the downstream of the oil separation sedimentation tank, and a filler layer is arranged in the filler filter tank; the cleaning tank is arranged above the oil separation sedimentation tank and the filler filter tank; the cleaning tank is communicated with the filler filter tank through a first cleaning pipeline, and a water outlet of the first cleaning pipeline is positioned on the side surface of the filler filter tank; the cleaning tank is connected with the bottom of the oil separation sedimentation tank through a second cleaning pipeline, and valves are mounted on the first cleaning pipeline and the second cleaning pipeline. According to the cleaning tank, high-pressure effluent can be provided by utilizing height difference, the filter material layer and the oil separation sedimentation tank are automatically cleaned, and the manual treatment cost is greatly reduced.