90results about How to "Prevent affecting operation" patented technology

The utility model provides a kind of air cooling forming equipment for modified PA6 production, it include: air cooling forming machine and damp-proof mechanism, wherein, damp-proof mechanism includes fixed plate, sealing ring, shaft, clamping plate and dampproof board, wherein, fixed plate is arranged in the inside of air cooling forming machine, sealing ring is sleeved in the outer wall of fixed plate, shaft is arranged in the outer wall of fixed plate, clamping plate is pivotally connected with shaft, clamping groove is set on the inner wall of fixed plate, dampproof board is slidably connected in the inside of clamping groove.The utility model embodiment of a kind of air cooling forming equipment for modified PA6 production, by setting damp-proof mechanism, dampproof board is slidably connected in the inside of clamping groove, when water vapor is generated in the inside of air cooling forming machine, by moving dampproof board, the inside of air cooling forming machine is carried out damp-proof treatment, avoid air cooling forming machine long time use air cooling forming and lead to inside damp.

This utility model provides a pre-treatment device for recycling printing raw material paper, relating to the field of paper recycling technology. It includes a support frame, a box, and a conveyor frame. A feeding hopper is fixedly installed on the surface of the box, and a discharge pipe is fixedly installed on the lower surface of the box. This utility model uses a starting motor to drive a bidirectional lead screw, causing two baffles to slide synchronously towards or away from each other along a sliding rod under the action of a sliding block. This precisely adjusts the size of the feeding hopper opening, controlling the feeding speed and amount of printing raw material paper, preventing blockage of the crushing roller due to excessive feeding. A flattening mechanism is installed on the conveyor frame, using a hydraulic cylinder to push a moving plate up and down along a guide rod. The moving plate drives the flattening roller to rise and fall, flattening the crushed paper conveyed by the conveyor belt. This effectively removes paper wrinkles and air gaps, preventing jamming or uneven crushing caused by uneven paper during subsequent crushing processes, thus improving overall processing quality and stability.

The utility model belongs to the technical field of ceramic granule dust removal, specifically relates to a ceramic granule dust removal device. It includes dust removal case, is provided with feed inlet and dust outlet in the top of dust removal case, is provided with the discharge gate and dust collecting port of dust removal case's first side bottom and second side bottom respectively, is provided with a plurality of filter plates in dust removal case inside up and down interval, is provided with electric conveyer belt outside dust removal case, the feed end of electric convey belt extends to the discharge gate of dust removal case, the discharge end of electric convey belt extends to finished product packing warehousing, is provided with a plurality of electrostatic dust removal units along material transmission direction interval in electric conveyer belt top, and electrostatic dust removal unit removes the dust particle that adheres to the surface of ceramic granule through electrostatic adsorption ceramic granule surface fine dust particle and realizes ceramic granule dust removal. The utility model removes the dust particle that adheres to the surface of ceramic granule through the combination of dust removal case and electrostatic dust removal two ways, solves the problem that the use of ceramic granule is limited because of the dust particle that adheres to the surface.

This invention relates to the field of oilfield equipment monitoring technology, specifically proposing a structure and method for monitoring corrosion inside a bimetallic composite plate pressure vessel. The structure includes an inner section and an outer section. The inner section is installed inside the pressure vessel, and its thickness is the same as that of the inner layer of the pressure vessel. The outer section covers the inner wall of the inner section. An anti-corrosion layer is applied to the outer wall of the outer section. Blind holes and through holes are adjacently formed on the outer wall of the inner section, with the end of the through hole near the outer section abutting against the inner wall of the outer section. By detecting the blind holes and through holes in the inner section, the corrosion status of the pressure vessel's inner layer can be deduced. Since grinding or welding repair of the inner section is unnecessary, it avoids affecting the subsequent normal operation of the pressure vessel. Furthermore, it overcomes the shape limitations of the pressure vessel itself, reduces errors in the detection results, and ensures the accuracy of the calculated corrosion rate of the pressure vessel's inner layer.

The invention provides a combined clamping device for machining and a using method. A U-shaped cover is inversely fixed to the top of a clamp bottom plate, a vertical pull rod is slidably mounted in the center of the top of the U-shaped cover through a sliding sleeve seat, and a chuck is fixed to the top end of the vertical pull rod; the bottom end of the vertical pull rod is in sliding fit with a first shifting fork sliding groove in one end of a double-end shifting fork, and the vertex angle portion of the double-end shifting fork is hinged to the inner wall of the U-shaped cover. An L-shaped vertical rod is fixed to the outer wall of the U-shaped cover, a screw transmission mechanism is installed between the L-shaped vertical rod and the U-shaped cover in a penetrating mode, a threaded sleeve of the screw transmission mechanism is rotationally limited to the U-shaped cover, and a threaded rod is installed in the threaded sleeve in a threaded transmission mode; the end of the threaded rod is in sliding fit with a second shifting fork sliding groove in the other end of the double-end shifting fork and drives the vertical pull rod to vertically ascend and descend through the first shifting fork sliding groove. The clamp adopts a combined transmission structure combining screw transmission and plugging transmission, and can be used for reliably clamping a workpiece in the machining process.

The utility model provides a sealed stirring mechanism for milk making machine relates to milk making machine technical field, including milk powder box, bottom seal and stirring shaft, the top surface of milk powder box is equipped with the powder storage groove, the bottom surface of milk powder box is equipped with stirring transmission groove, be provided with first communication between stirring transmission groove and powder storage groove Department, bottom seal is sealed and is arranged in stirring transmission groove, be provided with the second communication of coaxial distribution with first communication on bottom seal, the upper portion rotation is connected on first communication of stirring shaft, and sealed setting has upper seal structure between stirring shaft and first communication, the upper end of stirring shaft extends to powder storage groove in first communication, the lower portion rotation is connected on second communication of stirring shaft, sealed setting has lower seal structure between stirring shaft and second communication, the lower end of stirring shaft passes through second communication and realizes the rotation of stirring shaft with the cooperation of the drive component on the machine body. The utility model has the advantages of convenient with the whole milk powder box is thrown into water and is directly cleaned, improves the convenience of cleaning and use.

The utility model relates to a kind of automobile central control technical field, disclose a kind of automobile central control screen backplate assembly floating tool, including central control screen, the outer wall rear side of display screen is fixedly connected with two connecting blocks, the adjacent side of two The connecting block is fixedly connected with rotating shaft two, the outer wall rotating connection sliding rod of rotating shaft two, the rear side of sliding rod is fixedly connected with resistance plate, the outer wall of resistance plate is fixedly connected with telescopic rod in upside and downside, the left side of two The telescopic rod is fixedly connected with connecting column in upside and downside, the outer wall of two The telescopic rod is provided with two springs, the left side of two The telescopic rod is fixedly connected with two resistance plates. In the utility model, through the rotating shaft two of display screen rear side connecting block fixation, make sliding rod relatively rotate, drive resistance plate flexible movement, provide multi-angle, strong adaptability support for subsequent components, reduce the difficulty of assembly caused by tool mismatch.

The application relates to a convenient transportation type electric energy metering box and relates to the technical field of power supply and management, which comprises a box body, a box door rotationally connected to the front side edge of the box body, a fixed plate fixed in the vertical direction on the bottom surface of the box body near the edge of the back side, an extension plate rotationally connected to the bottom surface of the fixed plate, a placing plate rotationally connected to the bottom side of the box body on the lower part of the front side surface of the extension plate, a supporting plate vertically arranged on the side surface of the placing plate close to the extension plate, and a fixing piece arranged on the front side of the box body; the extension plate and the placing plate can be first rotated to the vertical state of close contact, and then are jointly rotated to be flush with the bottom surface of the box body, so that the overall volume of the electric energy metering box is greatly reduced, the loading space of a transport vehicle is effectively saved, the single transportation quantity is improved, and the transportation cost is reduced.

The utility model relates to the technical field of glass processing, and discloses multilayer composite heat insulation glass processing equipment which comprises a bottom plate, inlet grooves are formed in the four corners of the top of the bottom plate, filter screens are fixedly connected to the interiors of the inlet grooves, a water storage tank is formed in the bottom of the inner side of the bottom plate, and a water outlet is formed in the bottom of the bottom plate. A support is fixedly connected to the rear side of the top of the bottom plate, a water tank is fixedly connected to the front side of the top of the support, the bottom of the water tank communicates with a plurality of water outlet pipes, the water outlet pipes all penetrate through the front side of the top of the support, a cutting head is arranged on the top of the inner side of the support, and a fixing plate is fixedly connected to the middle of the rear side of the support. According to the utility model, water flow can intercept glass scraps carried in water through the filter screen, the filtered water flows into the water storage tank for storage, the water pump is started, the water pumping pipe is communicated with the rear side of the bottom plate for pumping water, and the water inlet pipe is connected with the rear side of the water tank for feeding water, so that water resource recycling is realized, and the cost and pressure of water treatment are reduced.

This utility model discloses a fabric loosening device for underwear processing, relating to the field of fabric loosening technology. It includes a loosening machine body with a base fixed to its bottom. Two limiting plates slide on the outer wall of the loosening machine body until one side of the limiting plate contacts the outer wall of the moving fabric. A cover plate is installed on one side of the limiting plate, causing the outer wall of the connecting block fixed on one side of the cover plate to engage with the inner wall of the groove, thus protecting the contact point between the limiting plate and the fabric. This facilitates better loosening of the fabric for underwear processing. The output end of a hydraulic cylinder drives a push block to slide on the inner wall of the base block, which in turn drives a support plate to slide on the base block. This allows the operator to control the loosening machine body to stably place the fabric for underwear processing on the top of the support plate, preventing the support plate from moving on the base block due to external interference.

The utility model relates to a transfer machine technical field especially a jacking transfer machine, including frame, be provided with the support plate on the frame and fix, be provided with jacking structure on the support plate, be provided with mounting panel on the jacking structure, be provided with conveying mechanism on the mounting panel, the jacking structure includes a plurality of power connection's rack and pinion lift, be provided with the first motor with a plurality of rack and pinion lift power connection on the support plate and install, the rack and pinion lift's rack and mounting panel are connected through fastener, and the rack and pinion lift's rack all sets up the organ case on, through adopting the rack and pinion lift as jacking mechanism, can adjust the height of conveying mechanism according to the demand, satisfy the conveying demand of different products, through setting up organ case to carry out protection to the rack and pinion lift's rack portion, prevent entering dust influence operation, simultaneously organ case ageing can dismantle and replace.

This utility model discloses a device for recovering heat from exhaust gas, relating to the field of exhaust gas recovery technology. It includes a heat recovery box, a fan installed on one side of the heat recovery box, a pretreatment mechanism installed at one end of the fan, and a heat recovery mechanism installed inside the heat recovery box. In this utility model, the fan operates to send exhaust gas into the heat recovery box from the feed pipe. Spiral heat exchange plates guide the incoming exhaust gas in a spiral motion, causing it to move upwards along the direction of the spiral heat exchange plates. A heat exchange medium is sent into the heat exchange tube through a second connecting pipe. The heat exchange medium flows inside the heat exchange tube and exchanges heat with the exhaust gas flowing outside. By extending the flow path between the exhaust gas and the heat exchange medium, the contact time is increased, allowing the coolant to better absorb heat from the exhaust gas, bringing the heat exchange closer to equilibrium and improving the efficiency of heat recovery from the exhaust gas.

This utility model discloses a pre-filter element for an oil separator. The oil separator housing of this filter element has an outer shell, with an inlet nozzle fixed at the front end and an outlet nozzle fixed at the rear end. The front and rear sections of the outer shell are connected by flanges and fastening bolts for easy disassembly and maintenance. A filter cartridge is snapped into the inner cavity of the oil separator housing. Fixing rings at both ends of the inner cavity of the outer shell position the filter cartridge. The filter cartridge includes an oil separator filter cartridge, whose inner cavity has several sets of filter cartridge supports arranged in a linear array. Each filter cartridge support consists of a silicone ring, a tensioning ring, and a hook ring. The silicone ring contacts the inner cavity of the oil separator filter cartridge, and the tensioning ring engages with the groove of the silicone ring to provide tension, ensuring the silicone ring is tightly fitted against the inner cavity of the oil separator filter cartridge for support. A hydraulic sensor is fixed at each end of the oil separator filter cartridge. The front sensor monitors the inlet pressure, and the rear sensor monitors the outlet pressure, allowing for timely acquisition of the inlet and outlet hydraulic pressure difference data. This facilitates monitoring the working status of the oil separator filter cartridge and ensures effective oil removal and filtration.

The application discloses a bicycle upper fork processing technology and equipment, and belongs to the field of bicycle upper fork processing. The application comprises a support frame, a processing platform fixed on the support frame, a welding assembly arranged on the processing platform, a clamping assembly arranged on the processing platform, a limiting assembly arranged on the processing platform, a moving assembly arranged on the processing platform and a dust suction assembly arranged on the moving assembly. The application can cut the upper fork pipeline through the welding assembly, and the clamping assembly can fix the pipe fitting to prevent displacement. The limiting assembly can move the circular pipe without fixing the size, can be inserted into the pipe fitting for support, can be adapted to pipe fittings with different diameters, does not need to stop and change the pipe fitting, improves the efficiency, avoids the decrease of positioning accuracy, guarantees the consistency of the cut, stably inserts the limiting assembly through the moving assembly, enhances the processing stability, and automatically collects the waste pipe through the dust suction assembly, so that manual sorting is not needed, and the waste pipe is prevented from being accumulated to affect the operation.

This utility model discloses a feeding device for a peanut harvester, relating to the field of peanut harvesting technology. The utility model includes a drive assembly, a conveying assembly, and a receiving box. Each connecting shaft has a rotating disc fixed to both ends. Each rotating disc has a slot at its edge away from the connecting shaft. Each rotating disc's end away from the connecting shaft is rotatably connected to a mounting plate. A conveying assembly is shared on the outer sides of the four rotating discs. A transmission belt is provided around the rotating discs at the ends of the two connecting shafts in the same direction. Connecting rods are fixed at equal intervals between the two transmission belts in a path array. A receiving box is shared at the lower part between the four mounting plates. This utility model, by setting up the drive assembly, conveying assembly, and receiving box, solves the problem that soil clods and debris falling from the plants into the peanut harvester during operation affects the harvesting smoothness, and that cleaning up soil clods and debris falling during conveying is troublesome.

The application provides a quick detachable agricultural machinery transmission shaft, and belongs to the technical field of transmission shafts, which solves the problems of inconvenient replacement and disassembly of the existing agricultural machinery transmission shaft and the lack of protection function. The quick detachable agricultural machinery transmission shaft comprises a mounting block, protection mechanisms are symmetrically arranged on the two sides of the mounting block, a transmission shaft body is slidably arranged in the mounting block, an axial limiting mechanism is arranged on the mounting block, a fixing block is arranged in the protection mechanism, symmetrically distributed threaded pins are arranged on the protection mechanism, rotating handles are fixed to the ends of the threaded pins, a clamping groove and a avoiding groove are arranged on the fixing block, a hinged seat is arranged on the protection mechanism, a cross shaft is hinged to the hinged seat, and a connecting ring is arranged at the end of the cross shaft. The application can quickly and conveniently disassemble the agricultural machinery transmission shaft, prevent dust and soil from entering the device during the operation of the agricultural machinery, protect the agricultural machinery transmission shaft, and adjust the protection mechanism according to the length of the agricultural machinery transmission shaft, thereby improving the protection capability.

The application discloses a power monitoring multifunctional instrument convenient to install, and relates to the technical field of multifunctional instruments.The power monitoring multifunctional instrument convenient to install comprises a protection device.The power monitoring multifunctional instrument convenient to install is characterized in that a cover plate slides in the inner side of a slide rail, so that the cover plate is convenient to disassemble and place components;the monitoring instrument is supported by a supporting plate, so that the monitoring instrument is convenient to fix;the monitoring instrument is extruded by a clamping mechanism, so that the clamping mechanism can fix components;the components are reduced to shake, the components are reduced to shake in the equipment, the stability of the components is improved;air flow is transported into the protection shell by a treatment device, so that the treatment device can ventilate and radiate heat, the temperature of the components in the equipment is prevented from being too high, the components are prevented from malfunctioning, moisture in the air flow is absorbed during the air supply of the treatment device, so that water vapor and dust are reduced to enter, the pollution of the equipment by the outside is reduced, and the equipment is kept to normally operate.

The utility model discloses a kind of scaling coal powder cleaning devices on conveying belt, belong to scaling coal powder cleaning technical field, including rack, grinding mechanism, dust removal mechanism, driving mechanism and belt reversing mechanism;Grinding mechanism includes support wheel and grinding wheel, support wheel and rack rotation connection, grinding wheel is coaxially fixed in the outer ring of support wheel, grinding wheel includes grinding wheel outer frame, grinding wheel inner frame and grinding layer, grinding wheel outer frame and grinding wheel inner frame are coaxially arranged and elastically connected, and grinding layer is arranged in the outer layer of grinding wheel outer frame.The utility model realizes the effective cleaning and collection processing of scaling coal powder on conveying belt by the cooperation of grinding mechanism, driving mechanism, dust removal mechanism and belt reversing mechanism, without shutdown maintenance.

This utility model relates to the field of ceramic water cup production technology and discloses a cleaning line for ceramic water cup production, including a protective frame. The top of the inner cavity of the protective frame is rotatably connected to a rotating shaft via a bearing. The bottom of the rotating shaft is fixedly connected to a turntable. The top of the turntable has a positioning groove in an annular shape, and the bottom of the positioning groove has a through groove. By setting up a protective frame, rotating shaft, turntable, positioning groove, through groove, and driving component, this utility model can facilitate the rotation and loading / unloading of ceramic water cups. At the same time, it avoids the ceramic water cups from being blocked due to untimely unloading and unloading, which would affect normal operation. By setting up a water storage box, rinsing pipe, and water pumping component, the ceramic water cups can be rinsed and cleaned. By setting up a concave plate, air storage box, air jet head, and air intake component, the ceramic water cups can be dried by blowing air after rinsing and draining. With the above structure, it is easy to clean and use, thereby meeting the needs of customers.

The utility model relates to the technical field of spinning frames, and discloses a dust removal device for a spinning frame, which comprises a dust removal component, and the dust removal component comprises an electric guide rail, a sliding table, a dust collection cover, a dust collection pipe, a collection cylinder, an outer shell, an exhaust pipe, a filter cylinder, a driving motor, a transmission shaft, a spiral blade plate, an air inlet pipe and a fan. The front surface of the electric guide rail is slidably connected with a sliding table, the inner side wall of the sliding table is fixedly connected with a dust collecting cover, the dust collecting cover communicates with the dust collecting pipe, and the top of the collecting barrel is fixedly connected with an outer shell. According to the dust collection device, the fan works, dust generated in the production process of the spinning frame is movably collected through the dust collection cover, the dust is prevented from affecting visibility and working environment of a workshop, and the dust is prevented from being attached to machinery equipment and yarn to affect normal operation of the equipment and quality of the yarn. The driving motor drives the spiral blade plate to rotate, raised dust on the inner wall of the filter cartridge can be scraped, the raised dust is prevented from blocking filter holes of the filter cartridge, and the filter effect of the filter cartridge is guaranteed.

The utility model relates to a transfer machine technical field more specifically, relate to a novel crossheading transfer machine tail device. Including upper shield subassembly, side shield subassembly, apron subassembly, side pressure block subassembly and tail frame, tail frame sets up in the bottom of upper shield subassembly, side pressure block subassembly sets up between upper shield subassembly and tail frame both sides position, apron subassembly sets up between both sides side pressure block subassembly, apron subassembly is located between upper shield subassembly and tail frame, side shield subassembly sets up on side pressure block subassembly. The device can realize the efficient operation of chain wheel overhauling, oiling, replacement operation, realizes the replaceable of wing plate and the clear back coal operation of tail simultaneously. The utility model mainly applies to the crossheading transfer machine tail aspect.

The utility model relates to ball mill device technical field discloses a kind of ball mill devices for noble metal catalyst processing of convenient dust reduction, including outer tube and ball mill filter cylinder, the front and rear sidewalls of ball mill filter cylinder bearing are penetrated by outer tube, and the inside of ball mill filter cylinder is placed with multiple grinding steel balls, the surface of outer tube is fixedly installed with four support columns, and the bottom surface of support column is fixedly installed with bottom plate, the front sidewall center bearing of ball mill filter cylinder is penetrated and is provided with feed hopper, and feed hopper is fixedly installed on the top surface of bottom plate by straight rod, the bottom of outer tube is fixedly penetrated and is provided with guide chute, this ball mill device for noble metal catalyst processing of convenient dust reduction can effectively collect and handle the dust generated in ball milling process, reduce the harm of dust to the health of operator and pollution to working environment, while avoiding dust to influence the normal operation of other equipment, meet the demand of noble metal catalyst efficient processing.

The present application relates to the technical field of calcium carbide residue conveying, and particularly relates to a cement production wet calcium carbide residue discharging device, which comprises a discharging frame and an electric lifter, a guide rail fixed on a wall top is arranged on the discharging frame, a travelling crane capable of automatic walking is arranged on the guide rail, the electric lifter is fixedly connected to the bottom of the travelling crane, a lifting piece is fixedly connected to the lifting end of the electric lifter, and a discharging platform for placing and shaking ton bags is arranged on the discharging frame. Through the arrangement of the locking mechanism, the positioning mechanism and the transferring mechanism, the connection between the electric lifter and the ton bag frame can be automatically released during the discharging process of the ton bag storing wet calcium carbide residue on the discharging platform, the lifting piece of the electric lifter is positioned and transferred into the ton bag frame on another discharging frame, the positions of the two are locked at the same time, so that the ton bag beside another discharging frame can be hoisted to be discharged during the discharging process of one ton bag, one machine is used for two purposes, and the expansion cost of the device is reduced.

The utility model discloses roller polishing equipment capable of adapting to different rollers, which relates to the technical field of roller processing and comprises a base, a mounting frame is fixedly mounted above the base, polishing heads are arranged on the left side and the right side of the top surface of the mounting frame, clamping structures are arranged on the left side and the right side of a supporting frame, and each clamping structure comprises a lower roller and a side roller. The lower rolling wheels and the side rolling wheels fixedly clamp the side edges and the bottoms of the rollers with different diameters, a lifting block is arranged in the supporting frame, the lifting block is slidably connected to a sliding groove in the supporting frame, and a collecting box is fixedly installed in the middle of the supporting frame and is of a drawing structure. The roller polishing equipment capable of adapting to different rollers solves the problems that a traditional clamp is poor in adaptability and low in scrap cleaning efficiency, the dust concentration of a workshop is reduced, the roller polishing equipment is suitable for high-precision polishing of various rollers, and the machining efficiency and the environment safety are remarkably improved.

The invention discloses a robot friction welding flexible unit based on digital twinning, and belongs to the technical field of robot friction welding. Comprising a welding table, a rail is arranged on the upper surface of the welding table, a rotating wheel is slidably connected into the rail, a rotating wheel power cavity is fixedly connected to the upper surface of the rotating wheel, a welding robot is fixedly connected to the upper surface of the rotating wheel power cavity, and a placing table is fixedly connected to the upper surface of the welding table; virtual simulation debugging of a flexible unit is achieved through a digital twin system, the levelness of a welding table can be accurately calibrated, track abnormity can be checked, meanwhile, welding parameters and a moving track of a welding robot are preset, it is ensured that the welding robot can accurately reach a designated welding position in combination with accurate movement of a rotating wheel along a track, and deviation of manual debugging is avoided.

The utility model discloses a Vienna rectification high frequency inversion charging pile, and relates to the charging pile technology field, the Vienna rectification high frequency inversion charging pile comprises a charging pile main body and a heat dissipation door hinged on one side edge of the back surface of the charging pile main body through a hinge, and the surface of the heat dissipation door is provided with a mounting port. By arranging the heat dissipation assembly, the purposes of automatically starting the speed-adjustable heat dissipation fan and improving the heat dissipation efficiency can be achieved, in the using process, the temperature sensor monitors the temperature in the charging pile, if the temperature is higher than a preset temperature threshold value for automatically starting the speed-adjustable heat dissipation fan, the temperature sensor generates a signal to the PLC, and the PLC controls the charging pile to start the speed-adjustable heat dissipation fan. The PLC controls the speed-adjustable cooling fan to be turned on, the speed-adjustable cooling fan conducts heat dissipation on the interior of the charging pile, heat is discharged to the outside, high efficiency of heat dissipation is guaranteed, the situation that heat accumulates in a cabinet of the charging pile, normal operation of the charging pile is possibly affected due to overheating is avoided, and the service life of equipment is prolonged.

The application relates to the technical field of drainage structures, and discloses a civil construction foundation pit drainage structure and a drainage method thereof, which comprises a supporting mechanism, and the supporting mechanism further comprises a rotating motor; the civil construction foundation pit drainage structure is externally provided with a preliminary filter plate; when the rotating motor is connected to the power supply, the water pumping fan blade is driven to extract water, at this time, negative pressure is formed at the bottom of the water pumping fan blade, and the larger silt is adsorbed in the preliminary filter plate, so that the operation of the equipment is not affected, the silt adsorbed on the outer wall of the preliminary filter plate also has a filtering effect, after the water in the foundation pit is accumulated, the bottom soil is soft, the pipeline extraction mode is easy to cause the internal blockage of the pipeline, and the working efficiency of the equipment is seriously affected; the civil construction foundation pit drainage structure is flat, is suitable for various pits, the equipment is placed in the foundation pit through a rope fixing plate by staff, sewage enters the equipment through the water pumping fan blade, at this time, the centrifugal force is affected, the silt is screened through the cleaning fan blade, and the effect of secondary filtration is achieved.

This utility model provides a purging mechanism for a bidirectional screw feeder, relating to the technical field of bidirectional screw feeders. It includes: a fixed ring with an opening on its side wall; a first fixed seat disposed on one end face of the fixed ring, with a first through hole inside; a second fixed seat disposed on the other end face of the fixed ring, with a second through hole inside; a locking member disposed inside the first and second through holes for locking and closing both ends of the fixed ring; an air inlet pipe disposed on the outside of the fixed ring; multiple air outlet pipes spaced apart on the outer wall of the air inlet pipe and connected to it respectively; and a nozzle connected to the other end of each air outlet pipe, with each nozzle inclined on the outer bottom of the fixed ring. This purging mechanism can prevent steam from flowing back into the interior of the bidirectional screw feeder during material feeding, thus avoiding blockage inside the bidirectional screw feeder.

The utility model relates to the technical field of mixer, concretely is a kind of automatic feeding and discharging's mixer for rubber plastic insulation material batching.The utility model, including the mixer body, the surface of the mixer body is equipped with support frame, the surface of the support frame is fixedly connected with motor, the output of the motor is equipped with auxiliary device, the auxiliary device includes pivot, the pivot is fixedly connected with the output of motor, the arc surface of the pivot is fixedly connected with three fixed frame, the both sides of the fixed frame are fixedly connected with clamping post, the arc surface of the clamping post is slidably connected with stirring blade, the surface of the fixed frame is fixedly connected with two special-shaped plate.Solved when the single stirring blade appears damage, need to carry out integral disassembly, this can cause some originally normal components to appear spare parts loss, damage or installation not in place etc. Problems in the disassembly process, affect the normal operation of equipment, thereby increase the maintenance cost problem.