370results about How to "Prevent floating" patented technology

The invention discloses a variable-cross-section stacked box rigid frame aqueduct, a cantilever hanging basket and a prestress tensioning method in the field of prestressed concrete aqueducts, the transverse section of a water passing groove is a U-shaped section, and the U-shaped section of the water passing groove is far superior to a rectangular section in the aspects of water delivery flow conditions and flow passing capacity; a prestress continuous rigid frame structure form of a U-shaped water passing upper tank with a variable cross-section rectangular lower tank stacked upwards and a guide groove unified cross section and a two-system four-way prestress system are arranged, the concrete stress of the upstream face of the U-shaped water passing groove can be accurately and effectively controlled to be kept in a uniform compression state with a certain numerical value, and the anti-seepage and durability functions of the aqueduct are ensured. According to the tensioning method, the vertical steel beams and the U-shaped steel beams are partially tensioned firstly, so that the aqueduct web has certain vertical pressure stress, then longitudinal prestress is tensioned, the effect of the vertical steel beams and the U-shaped steel beams is prevented from being weakened by the longitudinal prestress, and pressure stress reserve of the upstream face of the U-shaped groove is guaranteed; the pouring hanging basket prevents the formwork from floating or shifting in the pouring process of the variable-thickness middle partition plate.

The utility model relates to the technical field of building design, and discloses an accurate data resiliometer which comprises a vertical sleeve, a plurality of through grooves arranged circumferentially are formed in the bottom of the vertical sleeve, the inner top wall of each through groove is fixedly connected with the same gas ring, and the outer surface of each gas ring fixedly communicates with a plurality of gas nozzles arranged circumferentially. According to the accurate data rebound apparatus, through the arranged vertical sleeve, the purpose of limiting movement of the rebound apparatus body can be achieved, the effect that the rebound apparatus body is in a vertical state when making contact with an external concrete plate is achieved, the measurement accuracy can be improved, and the rebound apparatus can be accurately measured by pulling a cross-shaped ring to move upwards before measurement. Then the cross ring is reset under the action of the spring, external gas can be sucked and sprayed out through the gas nozzle, the effect of removing particles possibly existing at a test point in advance is achieved, meanwhile, the vertical sleeve can shield and prevent dust from floating upwards, and the measurement accuracy is further improved.

The utility model relates to a lining steel pipe diversion tunnel curve section installation system which comprises a lining steel pipe, a horizontal assembling jig frame used for turning over a lining steel pipe welding stiffening ring and a moving trolley used for climbing pipes in a tunnel and assisting in butt joint of the lining steel pipe. The horizontal assembling jig frame has the advantages that the driving machine is arranged in the horizontal assembling jig frame to achieve synchronous rotation of the lining steel pipes, the limiting arms capable of being elastically opened and closed are arranged, the assembling and disassembling efficiency of the lining steel pipes is improved, the horizontal assembling jig frame can flexibly control the distance based on the rails, the overall installation effect is higher, consumed time is shorter, and the assembling and disassembling efficiency is improved. The traditional vertical assembling mode that the steel pipes are externally provided with stiffening rings is changed, and the practical value is high; a structural system of assembling type inner support section steel combined adjustable support rods is adopted to replace a traditional fixed welding umbrella-shaped inner support, and the field construction efficiency is improved.

The invention discloses a filtering device for a water purifier and relates to the technical field of water purifiers, the filtering device comprises a shell and a cleaning assembly, a water inlet pipe is arranged at the lower end of one side of the shell, a water outlet pipe is connected to the center of the top of the shell, a blow-off pipe is connected to the bottom of the shell, and a filtering cylinder is fixed to the upper end of the interior of the shell; the cleaning assembly is arranged at the upper end of the interior of the shell. When the pump body conveys water flow into the shell from the water inlet pipe, the end cover can seal the blow-off pipe, so that the water pressure of the lower end in the shell is increased, the water flow can push a scraping ring to move upwards, a compression spring is shrunk, and when the scraping ring moves to the upper end in the shell, a transmission rod is extruded through a limiting ring, so that the scraping ring is driven to rotate; the connecting rod pulls the pressing block to move upwards through the transmission frame, the driving block can have a certain moving space, water flow can push the needle plate to be separated from the filter cartridge, and therefore when water flows, the filter cartridge can block particle impurities in the water.

The utility model belongs to the technical field of carding machines, and particularly relates to a cleaning type carding machine which comprises a rack, and the inner side wall of the rack is rotationally connected with a licker-in. A motor is started to drive a licker-in and a driving belt wheel to rotate, the licker-in cards a cotton layer and removes impurities and short fibers, the driving belt wheel drives a driven belt wheel through a belt, a cleaning roller drives a spiral brush to clean the impurities attached to the surface of the licker-in, and the impurities are transferred to the spiral brush; an air blower is started to suck air into an air outlet pipe, the air outlet pipe blows the impurities on the steel needles, the impurities fall into a collecting box, a water pump is started, water is pumped out through a water pumping pipe, the water is evenly sprayed out through a spray head, a water wall is formed, the impurities are adsorbed and fall through the water, and the impurities are prevented from floating all around; the box door is opened through the handle, impurities on the filter screen are treated in a centralized mode, the impurities attached to the licker-in can be automatically cleaned, and the influence on cotton carding work is reduced.

The invention belongs to the field of tea production, and particularly relates to a conveying device for tea production and a conveying method thereof.The conveying device comprises a conveyor, a conveying box is arranged at the top of the conveyor, two supporting plates are symmetrically and fixedly connected to the bottom of the conveying box, and two guide plates are symmetrically and fixedly connected to the top of the conveying box; according to the conveying device for tea production and the conveying method of the conveying device, hot air is discharged from a plurality of first air outlets through the arranged first flow guide plate, the hot air makes better contact with tea leaves while the tea leaves are stirred through the stirring plate, the hot air is discharged from a plurality of second air outlets through the arranged second flow guide plate, and the tea leaves are better in contact with the tea leaves. Through wrapping of the gas gathering plate and the stirring plate, hot gas is prevented from floating upwards too fast, the contact time of the hot gas and the tea leaves is longer, when the stirred tea leaves slide to the included angle between the gas gathering plate and the stirring plate, the double faces of the tea leaves can be dried at the same time, and the drying effect is higher and more uniform.

The integrated drilling pile hole cleaning system comprises a circulating drilling machine main machine and a mud and sand separation system which are arranged on a crawler-type moving platform, the mud and sand separation system comprises a mud and sand separator, a sand outlet, a slurry outlet and a feeding port are formed in the mud and sand separator, the circulating drilling machine main machine is externally connected with a drilling rod, and a backflow hole is formed in the middle of the drilling rod; the backflow hole is communicated with the feeding port through a mud pump, the sand outlet is externally connected with a sand bag, and the slurry outlet is communicated to a pile hole through a mud pipe. The circulating drilling machine main machine and the mud and sand separation system are arranged on the crawler-type moving platform, transfer of the integrated drilling pile hole cleaning system can be rapidly achieved, the drilling rod is designed to be attached to the surface of a pile hole through folding of a sleeve when pressure is kept during grouting, pile hole supporting is formed, the surface of the pile hole is prevented from collapsing, and the drilling efficiency is improved. Meanwhile, in combination with treatment of the mud-sand separator, the quality of the guided mud is improved, part of residues are prevented from floating in the mud or precipitating at the bottom of a hole, and the construction quality is improved.

The invention belongs to the technical field of batteries, and particularly relates to a negative plate and a preparation method and application thereof. The negative electrode plate comprises a negative electrode current collector and a negative electrode material layer arranged on at least one side surface of the negative electrode current collector, the negative electrode material layer comprises a negative electrode active substance, a negative electrode conductive agent and a composite binder, and the composite binder comprises carboxymethyl cellulose lithium and siloxane. The negative electrode plate has relatively high stripping force or crack resistance, and the first coulombic efficiency or cycle stability of the battery can be effectively improved when the negative electrode plate is applied to the battery.

The utility model discloses an upsetting tool for forming a forge piece with a clamp handle, belongs to the technical field of forging, and aims to reduce upsetting leakage. Comprising a cylindrical drain disc body, a through hole penetrating in the axial direction of the drain disc body is formed in the center of the drain disc body, and the through hole is a stepped hole and comprises a cylindrical hole in the bottom, a taper hole with pattern draft in the middle and a ring surface table hole with draft in the top in the axial direction; the ring surface table hole is gradually contracted inwards from the top to the bottom in the axial direction; the diameter of the cylindrical hole is smaller than that of the bottom of the conical hole, and a transition plane is formed between the top end of the cylindrical hole and the bottom end of the conical hole. The through hole is arranged to be the stepped hole, the transition plane between the conical hole and the cylindrical hole serves as a table top to support the clamp handle, the clamp handle is prevented from being suspended, material leakage at the bottom of the clamp handle in the upsetting process is greatly reduced, even material leakage is avoided, the utilization rate of steel ingots is improved, and the purpose of saving materials is achieved.

The invention discloses an electrical control cabinet for an airtight test board of a hydraulic pipeline assembly, and relates to the technical field of electrical control cabinets. The device comprises a device body, a square groove is formed in the right side of the device body, an electrical assembly is arranged in the device body, a plurality of electrical wires are arranged at the bottom of the electrical assembly, a heat dissipation assembly is arranged at the top of the device body and communicates with the interior of the device body, and an airtightness detection assembly is arranged on the left side of the outer wall of the device body. A fixing plate is fixedly installed at the bottom of the device body, and electric push rods are fixedly installed at the four corners of the bottom of the fixing plate and composed of telescopic ends and fixed ends. According to the invention, the direction of the airtightness detection assembly is constantly changed in the testing process of the hydraulic pipeline assembly so as to fit the practical situation that the pipeline is easily interfered by the outside and is pulled to a certain extent in the practical application, so that the airtightness detection data is ensured to be more practical, and the durability of the hydraulic pipeline assembly is detected at the same time.

The invention belongs to the field of asphalt concrete recycling, and particularly relates to an urban construction road asphalt concrete recycling device and an operation method thereof.The urban construction road asphalt concrete recycling device comprises a tank bottom, the top of the tank bottom is provided with a tank top, and the outer wall of the tank bottom is fixedly connected with a first supporting ring; according to the urban construction road asphalt concrete recycling device and the operation method thereof, the first feeding opening is blocked through the arranged flow guide block and the flow guide plate, hot air is prevented from floating upwards too fast to be discharged out of the tank top, and through guiding of the bottom of the flow guide plate, the hot air is accumulated at the included angle between the flow guide plate and the tank top; when a motor is started, a cam is driven to rotate, a second spring is matched, a piston plate moves left and right in a reciprocating mode, hot air at the included angle of a drainage plate and the tank top is extracted and squeezed downwards, and therefore the hot air floating upwards can heat waste asphalt concrete below again, and the hot air floating upwards can be blocked through a side plate; and the contact time of the hot air and the waste asphalt concrete is prolonged.

The utility model discloses a marinating pot capable of quickly mixing marinating liquid and bean products, and relates to the technical field of food processing, the marinating pot comprises a marinating pot and a pot cover, a rotating assembly is arranged in the marinating pot, the rotating assembly comprises a screw rod installed on the inner bottom wall of the marinating pot, the outer wall of the screw rod is in threaded connection with a threaded sliding block, and the threaded sliding block is in threaded connection with the marinating pot. Two screen frames are installed on the outer wall of the threaded sliding block, and a support is installed at the top of the threaded sliding block. A user pushes the pot cover, the screen frame is driven to descend and rotate through the support and the threaded sliding block, seasoning is evenly distributed in brine through rotation of the screen frame, bean products are helped to comprehensively absorb the taste of the brine, and meanwhile the screen frame prevents the bean products from floating on the surface of the brine to cause uneven soaking.

The utility model discloses a wiredrawing and plastic coating device for glass fiber processing, which comprises a plastic coating box and a feed pipe, the feed pipe is arranged at one end of the plastic coating box corresponding to a feed port, an annular brush is arranged on the inner side of the feed pipe, a dust collecting box is arranged at the bottom of the feed pipe, and the dust collecting box is connected with the feed pipe. And connecting plates are arranged in the middle positions, close to the two sides of the feeding port and the discharging port, in the plastic coating box, a drying pipe is fixedly connected between the connecting plates on the other side in the plastic coating box, air outlet blocks are arranged on the two sides, close to one end of the discharging port, in the plastic coating box, of the drying pipe, and one sides of the air outlet blocks are connected with the drying pipe through connecting pipes. The surface of glass fiber is cleaned during feeding, dust is prevented from affecting the plastic coating result, during drying, the drying speed can be increased through the effect of the drying pipe and the air outlet block, and uneven plastic coating caused by direct air blowing drying is prevented.

The utility model relates to the technical field of foundation bolt pre-embedding positioning, in particular to a concrete column foundation bolt pre-embedding positioning device, which is characterized in that a positioning cross beam and a leveling cross rod are vertically mounted, and are connected and mounted by adopting a sliding positioning component. The positioning cross beam can freely slide to a required position on the leveling cross rod and then is locked; an inverted-T-shaped mounting groove is formed in a positioning cross beam and penetrates through the top of the positioning cross beam, a bolt positioning assembly is mounted in the mounting groove, and the bolt positioning assembly is composed of a vertically-upwards-arranged bolt column and a positioning part located at the bottom of the bolt column and integrally formed and connected with the bolt column. The bolt column and the positioning part are hollow and penetrate from the top of the bolt column to the bottom of the positioning part; and the bolt column penetrates out of the top of the mounting groove, so that the embedded bolt is conveniently mounted on the bolt positioning assembly, and the embedding and positioning difficulty of the embedded bolt is reduced.

The utility model discloses a dust removal device for textile fabric processing, and relates to the technical field of textile fabric production, the dust removal device comprises a dust removal box, the upper surface of the dust removal box is fixedly provided with a dust suction device, the dust removal box comprises a box body, the side wall of the inner cavity of the box body is fixedly provided with a partition plate, and the surface of the partition plate is slidably connected with an I-shaped block. According to the dust removal device for textile fabric processing, after fabric enters the box body, chippings, dust and batting on the surface of the fabric are brushed through a brush, the fabric is primarily treated, then a motor is started to drive a driving roller to rotate, an I-shaped block and a dust flipping block are pushed through the driving roller, the dust flipping block circularly knocks the fabric, and the dust removal effect is achieved. The dust collection device is used for sucking the dust into the dust storage box, dust removal is carried out on the cloth, the situation that the dust is attached to the surface of the cloth and influences follow-up processing is prevented, and the dust removal efficiency is improved.

The invention discloses a wastewater treatment device for the semiconductor industry, and belongs to the technical field of wastewater treatment.The wastewater treatment device for the semiconductor industry comprises a main body, a supporting frame is fixedly connected to the outer wall of the main body, a wastewater inlet pipe is fixedly connected to one side of the top of the main body, and a driving mechanism is installed on the inner wall of a storage cavity; a spraying mechanism is mounted at the top of the main body, a stirring mechanism is mounted on the outer wall of the driving mechanism, and a wastewater outlet pipe is fixedly connected to the outer wall of the main body. By designing the driving mechanism, the spraying mechanism and the stirring mechanism, wastewater and an adsorbent can be quickly mixed, the wastewater can be treated, meanwhile, the angle of stirring blades can be selected, the treatment rate can be increased in the wastewater treatment process of different methods, in addition, the spraying mechanism can move up and down along with stirring, and the treatment efficiency is improved. Therefore, the treatment efficiency is improved, and the method has wide application prospects in the field of wastewater treatment.

The invention discloses an automatic site selection method and system for a mountain fan hoisting platform, and belongs to the technical field of new energy wind power generation engineering, and the method comprises the steps: obtaining original topographic data, and reconstructing the original topographic data into a digital elevation model with a spatial index; querying the digital elevation model by using a spatial index based on the structural security constraint parameters of the fan foundation, and determining an effective elevation search interval; discretizing a calculation area into grid units in an elevation interval, taking a core area as a seed point, and outputting binary grid data through a potential energy driving cost function and a heuristic search extension platform boundary; performing morphological correction on the binary raster data and calculating the total earthwork amount; and iteratively searching and optimizing a scheme with the minimum total earthwork volume in the elevation interval, and converting the scheme into vectorized engineering primitives to be output. On the premise that the safety of the foundation structure is ensured, the earthwork amount is globally optimal, and the method has the advantages of being high in automation degree, high in terrain adaptability and good in engineering practicability.

The utility model provides a powder overturning and discharging device which comprises a box body, an overturning mechanism is arranged in the box body, a window opposite to the overturning mechanism is arranged on the box body, the window is used for allowing boats to enter and exit from the overturning mechanism in the box body, a boat placing position is arranged on the overturning mechanism and used for placing the boats, and the boat placing position is used for placing the boats. The turnover mechanism is used for driving the boat to turn over, the box body is provided with a knocking mechanism capable of knocking the boat in a telescopic mode, and a discharging port is formed in the bottom of the box body. The box body is provided with the knocking boat which can be matched with the turnover mechanism after the boat is turned over, the knocking boat is used for enabling the boat to vibrate so as to enable powder blocks adhered to the boat to be vibrated down, so that no powder block is adhered to the surface of the unloaded boat, the subsequent cleaning work is reduced, and the labor intensity is reduced.

The utility model discloses a dust-proof device for powder blanking, which belongs to the technical field of powder blanking, aims at solving the problems that the powder is easy to fly around, some economic losses are caused and the body health of workers is influenced, and comprises a conveyor belt, a box body mechanism, a lifting mechanism, a clamping mechanism and a closing mechanism, the box body mechanism is arranged above the conveying belt, the lifting mechanism is arranged in the box body mechanism, the clamping mechanism is arranged in the lifting mechanism, the closing mechanisms are symmetrically arranged in the box body mechanism, the blade is fixedly installed on the lower middle portion of the interior of the discharging box, and a discharging port is formed in the bottom face of the discharging box. Bagged powder is punctured and clamped through the arranged clamping mechanism, then the powder is driven by the lifting mechanism to move downwards until the blade in the discharging box cuts a bag and leaks out the powder in the bag, discharging is completed, and the phenomenon that the powder drifts away is reduced.

The invention relates to the technical field of submarine cables, in particular to a submarine suspended cable treatment device and a using method, and the device comprises a machine body, a propelling device, a covering and pressing device, a walking device and a conveying pipe; the propelling device is rotationally mounted at the top end of the machine body and driven by a first power source to rotate, the propelling unit comprises a first propelling unit and a second propelling unit, the first propelling unit is used for propelling the treatment device to move horizontally, and the second propelling unit is used for propelling the treatment device to move up and down; the covering and pressing device is installed at the bottom of the machine body and used for covering and pressing the suspended cable. One end of the conveying pipe is connected with the machine body, and the other end is connected with the ship body; the walking devices are installed at the bottom end of the machine body and located on the two sides of the covering and pressing device. The walking devices provide moving power for the treatment device after making contact with the earth surface. A buoyancy bin is arranged in the middle of the machine body, and a water inlet and outlet device used for changing the volume of liquid in the buoyancy bin is arranged in the buoyancy bin and used for solving the problem that a submarine cable is suspended in the prior art.

The invention relates to the field of house building, and discloses a detachable formwork for construction of an elevator shaft and a water-collecting well and an anti-floating reinforcing method.The detachable formwork comprises the following assemblies: a hollow box-shaped formwork composed of a side formwork assembly and a bottom formwork assembly which are connected through concave and convex points; the opposite-pull water stop screw comprises a screw body and a water stop piece, and the screw body penetrates through the side mold assembly and the bottom mold assembly of the hollow box-shaped mold plate and is used for connecting the side mold assembly and the bottom mold assembly in a fastening mode; the adjustable jacking comprises a lead screw and a supporting plate, the lower end of the lead screw is connected with the top of the hollow box-shaped formwork, and the supporting plate is fixed to the lead screw through threads and used for adjusting the supporting height of the top of the formwork. By adopting the light and high-strength box-shaped formwork and a detachable connecting mode, the formwork is more convenient and faster to build and disassemble, the construction efficiency is improved, meanwhile, the stability and accuracy of the formwork can be kept through the fixing effect of the pull water stop screw and the adjustable jacking, and therefore the construction quality is improved.

The invention discloses a lithium battery recycling and discharging device, and relates to the technical field of lithium battery recycling, the lithium battery recycling and discharging device comprises a discharging battery, the inner wall of the discharging battery is fixedly connected with a lithium battery placing frame control mechanism, and the top of the lithium battery placing frame control mechanism is fixedly connected with a lithium battery placing frame; the tops of the front side and the rear side of the inner wall of the lithium battery placement frame are fixedly connected with placement frame supporting mechanisms correspondingly, and the left side and the right side of the top of the lithium battery placement frame are fixedly connected with lithium battery anti-floating mechanisms correspondingly. According to the lithium battery discharging device, the problem that a water outlet in the discharging groove is blocked can be effectively solved, it is ensured that discharged lithium batteries cannot be discharged along with discharged water, and therefore potential safety hazards are eliminated, and the process that workers collect the discharged lithium batteries is simplified; and the chance that a worker is in contact with separated water is reduced.

The invention discloses thick milk prepared by a membrane concentration process and a preparation method thereof, and the method for preparing the thick milk by the membrane concentration process comprises the following steps: obtaining raw milk with a protein index of 3.2-3.6 g / 100g; carrying out 1.5-2.2 times of ultrafiltration treatment and 2.1-3.3 times of reverse osmosis treatment to effectively prepare a concentrated raw material semi-finished product with the protein content of 4.65-4.75 g / 100g; and the concentrated raw materials are subjected to homogenization, pasteurization, milk base compounding and direct sterilization so as to obtain a final product with the protein content of 5.40-5.45 g / 100g and the fat content of 10.6-10.9 g / 100g. According to the preparation method disclosed by the invention, a thick milk product which is free from obvious fat floating, precipitation and bleeding and fine, smooth and mellow in mouth feel can be effectively obtained by matching processes, and small molecular components in the cow milk can be completely utilized in a lossless manner within the shelf life of 6 months.

The application discloses a kind of bathroom cabinet processing plate waste crushing recycling equipment, including crushing box, fixed blade is equidistantly arranged between the inner surface of longitudinal two sides of crushing box, two first rotary shafts are symmetrically arranged between the inner surface of transverse two sides of crushing box, rotary blade is cross arranged between the fixed blade of first rotary shaft, transmission gear is installed at one end of two first rotary shafts and passes through crushing box, transmission gear is engaged, and driving motor is arranged on the outer surface of transverse side of crushing box.The beneficial effects of the present application are:the present application is reasonable in design, and the overall structure is stable and firm, which can not only realize the crushing and recycling of plate waste generated during the production and processing of bathroom cabinet, but also avoid the floating of debris and dust generated during the crushing and recycling of plate waste to the surrounding air, ensure the air quality of surrounding environment and the health of operators, and the crushed plate waste can be filled into the storage tank for centralized treatment.

The utility model relates to concrete admixture adding equipment technical field provides a quantitative filling device for concrete admixture production, including base frame, be located on the admixture buffer tank of base frame and the spiral conveyor that connects in proper order first and last, quantitative conveying component, vibration subassembly, agitator jar. The inlet of spiral conveyor is located at the outlet of admixture buffer tank. The weighing assembly is equipped below the vibration subassembly, the supporting seat is equipped below the weighing assembly, and the supporting seat is height -adjustable with base frame. Quantitative conveying component includes upper connecting pipe, lower output pipe and quantitative valve connected between upper connecting pipe and lower output pipe, and the outlet end of lower output pipe is equipped with the blocking plate of pivotal connection. Admixture quantitative delivery reaches in lower output pipe, and the blocking plate is driven to open the outlet of lower output pipe, and the weighing assembly weighs the admixture falling on the vibration subassembly. The utility model guarantees the measurement accurate condition of admixture addition, avoids the dust floating caused by the leakage of admixture, and guarantees the construction environment.

The invention belongs to the technical field of cast-in-place pile hole collapse prevention, and particularly relates to a silt layer self-balancing hole collapse prevention cast-in-place pile structure which comprises a reinforcement cage and a pile casing, the pile casing is detachably installed at an opening of a cast-in-place pile hole, and the reinforcement cage penetrates through an inner cavity of the pile casing and makes contact with the bottom of the inner cavity of the cast-in-place pile hole. The fixing part is detachably mounted at the top of the reinforcement cage, and the top of the reinforcement cage mounted closest to an opening of a cast-in-place pile hole can be continuously pressed through the fixing part; the adjusting part is arranged outside the fixing part, and the position of the reinforcement cage can be adjusted in time through the adjusting part, so that the central axis of the reinforcement cage coincides with the central axis of the cast-in-place pile hole all the time. According to the concrete foundation pile, through mutual cooperation of the parts, stirrup deformation and main reinforcement bending of the reinforcement cage caused by collapse of a silt layer during concrete pouring can be avoided, the bearing capacity of the built concrete foundation pile is guaranteed, and meanwhile the influence on lifting of the guide pipe and normal construction of a cast-in-place pile hole is avoided.

The utility model discloses a concealed leakage drainage device for a toilet, and belongs to the technical field of building decoration construction. Comprising a floor tile body, a hidden drainage connecting pipe is arranged in the floor tile body, a filtering assembly is embedded in the hidden drainage connecting pipe, a bonding layer is installed at the bottom of the floor tile body, and a floor heating pipe layer is arranged at the bottom of the bonding layer. Sundries in sewage can be intercepted to prevent a pipeline from being blocked, a rotating rod can be rotated to drive a cleaning plate to clean meshes in the floor drain, and the meshes of the floor drain can be dredged conveniently, so that the drainage effect of the device is better; according to the concealed drainage device for the bathroom, the sealing assembly is arranged, the ejector rod is moved to drive the sealing plate to move out of the containing groove, the sealing plate moves to the top of the concealed drainage connecting pipe and can play a sealing and covering role, peculiar smell in the concealed drainage connecting pipe can be prevented from being blown out, and therefore the using effect of the concealed drainage device for the bathroom is better.

The utility model discloses an extruder for polyester type powder coating processing, which comprises an extrusion box, a discharge hole is arranged on one side of the extrusion box, a placing frame is arranged at the top of the extrusion box, a processing barrel is fixedly arranged on the inner wall of the placing frame, a plugging mechanism is arranged on one side of the extrusion box, and the plugging mechanism comprises a mounting plate, a rubber plug, a connecting rod and a fixing plate. And a fixing plate is slidably connected to one side of the extrusion box, a connecting rod is fixedly mounted on one side of the fixing plate, a mounting plate is fixedly mounted at one end of the connecting rod, and a rubber plug matched with the discharging hole is fixedly mounted on one side of the mounting plate. A fixing plate moves to enable a connecting rod to move, a rubber plug can be driven by a mounting plate to be separated from a discharging hole, and the discharging hole is opened, so that the discharging hole can be opened, better discharging of the extrusion box is facilitated, and impurities in air are prevented from floating into the extrusion box through the discharging hole; and the coating in the extrusion box can be better protected.

The present application relates to the technical field of welding, and specifically discloses a motor liquid-cooled shell welding device, which comprises a workbench, a rotating disc, an inner-outer positioning mechanism, a coaxial positioning mechanism and a pressing mechanism. The inner-outer positioning mechanism, the positioning shaft, the insert, the positioning locking assembly and the pressing mechanism are used for multi-dimensional guarantee of the concentricity of the inner cylinder, the outer cylinder, the annular plate and the welding machine from the bottom, the top and the side, so that the problems of weld offset, uneven penetration, one-side wide and one-side narrow of the welding seam of the welding machine and the like caused by the rotation centrifugal force of the inner cylinder, the outer cylinder and the annular plate are effectively avoided. Meanwhile, the pressing mechanism is provided with a plurality of circumferentially uniformly distributed pressing assemblies, which are matched with the bearing steps on the inner cylinder and the outer cylinder to realize the up-down bidirectional limiting of the annular plate, prevent the annular plate from floating due to the centrifugal force during the rotation and affect the welding quality of the welding seam, and the wear-reducing roller can prevent the annular plate from floating and radial movement due to thermal deformation without affecting the rotation of the workpiece.

The utility model discloses a bag making device for food-grade film bags, and relates to the technical field of bag making equipment. The bag making device for the food-grade film bagging comprises a heat sealing machine, two material rollers which are symmetrically distributed up and down are arranged on one side of the heat sealing machine, the bag making device further comprises a supporting assembly, the supporting assembly is arranged on one side of the heat sealing machine, the two sides of the middle of the supporting assembly are connected with the two material rollers in an inserted mode respectively, and the two material rollers are arranged on the other side of the heat sealing machine. The supporting assembly is used for supporting the material roller; the sterilization assembly is arranged on one side of the middle of the two material rollers, and the sterilization assembly is close to the feeding end of the heat sealing machine. According to the food-grade film bagging machine, bag making processing can be conducted on food-grade film bagging, sterilization treatment can also be conducted on food-grade films, bacteria can be prevented from breeding on the inner wall faces of the food-grade films, and therefore the food-grade film bagging machine can be used for packaging food-grade films. Therefore, the sanitation and the safety of the food-grade film cap bag which is subsequently processed and formed can be improved.