110results about How to "Lay evenly" patented technology

The invention discloses a short pulse laser assisted continuous laser welding device and method. The method comprises the steps that materials are laid; a welding area is divided, and the whole welding area is divided into small areas; performing feature extraction on the small regions; constructing a speed mapping table according to the extracted different features; and planning a laser scanning path according to the speed mapping table. The short-pulse laser-assisted continuous laser welding device and method have the beneficial effects that near-infrared wavelength laser (such as 1064nm) is selected in the whole welding process, and the characteristics of high reflectivity of titanium alloy to the wavelength, high absorptivity of thermoplastic resin, relatively low absorptivity of a resin part in a thermosetting composite material and poor absorptivity of carbon fibers to the wavelength are utilized; laser energy is mainly concentrated on the thermoplastic resin layer, and local heating is achieved. The method comprises the following steps: dividing a region into small regions, extracting features, constructing a speed mapping table, controlling laser energy input, and reducing heat affected zones of the titanium alloy and the thermosetting composite material.

The invention belongs to the technical field of calcium silicate board production, and particularly relates to a plate-making forming device for improving the quality of a calcium silicate board blank, which comprises a rack, and a headbox, a felt belt, a breast roll, a forming roll and a cleaning box are mounted on the rack; a passing opening is formed in the cleaning box, the felt belt penetrates through the cleaning box from the passing opening, a guide roller is installed in the cleaning box, and the felt belt is in a U shape in the cleaning box; a water spraying plate is mounted in the cleaning box, and the felt belt is immersed below the liquid level in the cleaning box; a cleaning roller is installed in the cleaning box and makes contact with the lower surface of the felt belt, and the rotating direction of the cleaning roller is opposite to the moving direction of the felt belt. The cleaning device is simple in structure, the felt belt can be cleaned in an immersed mode in the cleaning box, the cleaning box is divided into a plurality of cleaning grids, the cleaning effect of the felt belt is improved, and slurry after cleaning is prevented from being attached to the felt belt again.

The invention relates to the technical field of hoisting equipment, and discloses a transportation deviation prevention electric hoist assembly which comprises a connecting shell, a dust collecting pipe and a limiting frame, a conveying groove is formed in the bottom of the connecting shell, the limiting frame is installed at the bottom of the connecting shell and corresponds to the conveying groove in position, and a conveying mechanism is installed in the connecting shell and comprises a rotating shaft and a positioning disc. The positioning disc is installed in the connecting shell, the transmission wheel is installed at one end of the positioning disc, the control motor can drive the transmission wheel to rotate, a threaded shaft is movably clamped in the positioning disc, the threaded shaft movably sleeves one end of the transmission wheel and can axially move, the rotating shaft is installed on one side of the threaded shaft, and a transmission cable is wound on the rotating shaft; compared with the prior art, in the recovery process of the transmission cable, when the threaded shaft drives the rotating shaft to move axially, the transmission cable can be evenly laid on the surface of the rotating shaft, and the situation that the transmission cable is disordered when being recovered and wound can be reduced.

The invention discloses an adsorption type multi-material additive material powder laying system and method based on a micropore array. The powder laying system comprises a forming chamber, a powder supply device, a powder laying device and a powder scraping device. A forming platform is arranged in the forming chamber; the powder laying device comprises a mesh screen, a vacuum pump and a powder falling mechanism, powder particles can be evenly adsorbed to the periphery of the mesh screen through cooperation of the mesh screen and the vacuum pump, the powder particles cannot penetrate through micropores to enter the mesh screen, the micropores cannot be completely covered, airflow can still pass through gaps between the micropores and the powder particles, and the powder falling mechanism is more uniform in powder falling. When the powder is laid, the powder particles on the periphery of the mesh screen are laid on the forming platform through the powder falling mechanism, so that more powder particles can be continuously adsorbed, part of the powder particles are scraped off through the powder scraping device, the thickness of the powder adsorbed on the periphery of the mesh screen is accurately controlled, and during powder laying, the powder particles on the periphery of the mesh screen are laid on the forming platform through the powder falling mechanism, so that various powder materials can be uniformly and accurately laid in corresponding areas; the problem that different kinds of powder are accurately laid in one layer is solved, and XY plane multi-material additive manufacturing is achieved.

The invention discloses a leveling device for paving a pervious concrete pavement and a leveling method thereof, and relates to the technical field of pavement paving, the leveling device comprises a vehicle body, a box body is fixedly mounted at the top of the vehicle body, a charging box is fixedly mounted at the upper end of an inner cavity of the box body, and the bottom of the charging box is connected with a leveling assembly through a pipeline; and the leveling assembly is used for paving pervious concrete on the earth road. According to the leveling device for paving the pervious concrete pavement and the leveling method of the leveling device, the size of the discharging groove in the collecting hopper can be automatically adjusted through the arranged adjusting part according to the actual condition of the pavement, so that the discharging amount of concrete is accurately controlled, and the discharging groove is enlarged at the sunken part of the pavement so as to increase the discharging amount of the concrete and fill the sunken part; at the raised part of the road surface, the discharge chute is reduced to reduce the discharge amount of concrete and avoid excessive accumulation, and the intelligent adjustment ensures the flatness of concrete laying and improves the construction quality.

The present invention relates to the technical field of sludge treatment, specifically to a mechanical cold-pressed sludge deep dehydration and drying device and a drying process, comprising a support frame and a gantry arranged above the support frame, a plurality of dehydration bins are evenly distributed in the circumferential direction of the outer circumference of the support frame, a conveying mechanism for driving the dehydration bins to circumferentially circulate is installed on the support frame, a filter basket is installed inside the dehydration bins at the top, and a pre-dehydration mechanism and a cold-pressed dehydration mechanism located above the support frame are installed on the gantry. The present invention performs multiple extrusion dehydration with gradually increasing pressure on the sludge by setting a cold-pressed dehydration mechanism, and directly acts on the sludge particles by high pressure, so that most of the interstitial water in the wet sludge can be separated from the sludge, and at the same time, high-pressure pressing can destroy the capillary surface tension and cohesion to separate the capillary water, and no chemical agent needs to be added during operation.

The invention discloses oil painting rubbing auxiliary equipment, and relates to the technical field of oil painting rubbing, the oil painting rubbing auxiliary equipment comprises a box body and a mounting seat, a partition plate is fixedly arranged in the box body, a first conveying belt and a second conveying belt are arranged in the box body, and driving rollers and transmission rollers are arranged at the two ends of the first conveying belt and the two ends of the second conveying belt respectively; a plurality of mounting seats are fixedly arranged on the first conveying belt and the second conveying belt, a first placement plate and a second placement plate are arranged at the upper ends of the mounting seats at the positions, corresponding to the first conveying belt and the second conveying belt, of the first conveying belt and the second conveying belt correspondingly, and material scattering mechanisms are arranged in a first material scattering pipe and a second material scattering pipe correspondingly; paint mechanisms are arranged at the positions, corresponding to one side of the first material scattering pipe and one side of the second material scattering pipe, in the box body, through the material scattering mechanisms, toner and paint can be conveniently and evenly laid at the upper ends of rubbing paper and canvas, and then through an air drying pipe and a grinding roller, paint drying can be conveniently accelerated, and the dried paint can be evenly ground.

The utility model relates to the technical field of motor equipment, and provides an automatic winding structure for a motor encoder wire, which comprises a device body, a first support column is fixedly mounted on the right side of the top of the device body, a first rotating rod is movably embedded in the first support column, and a motor body is fixedly mounted on the right side of the first rotating rod. First sliding grooves are formed in the two sides of the outer surface of the first rotating rod, a sleeve is movably arranged on the left side of the outer surface of the first rotating rod in a sleeved mode, the sleeve is connected to the inner surfaces of the first sliding grooves in a sliding mode, and a second rotating rod is movably embedded in the left side of the interior of the sleeve. And through structures such as a first rotating rod and a screw rod, the device can adjust the supporting plate according to the tension of the line, it is guaranteed that the tightness of the wire coil is within a proper range, then the device can meet the winding requirements of lines made of different materials, and the flexibility and efficiency of the system are improved.

The utility model discloses a large-thickness water-stable macadam base laying machine. The large-thickness water-stable macadam base laying machine comprises an L-shaped mounting plate, a double-layer laying mechanism and a connecting mechanism, mounting threaded openings which are uniformly distributed are formed in the rear side of the L-shaped mounting plate, and a stirring chamber is arranged in the middle of the L-shaped mounting plate; the connecting mechanism comprises second rotating plates, second fixing seats and second fixing plates, the second rotating plates are fixedly connected to the lower surface of the L-shaped mounting plate in a bilateral symmetry mode, the lower ends of the two second rotating plates are rotationally connected with the second fixing seats through rotating shafts, and the second fixing plates are arranged at the lower ends of the second fixing seats; a containing hopper is fixedly connected between the two second fixing plates. The double-layer laying mechanism comprises a material guide roller, a guide hopper and a two-way sandwich plate, the material guide roller is rotationally connected between the left inner wall and the right inner wall of the containing hopper in a front-back symmetrical mode, and the large-thickness water-stable macadam base layer laid through the large-thickness water-stable macadam base layer laying machine is more uniform.

The baking machine comprises a baking oven, a first carding mechanism is arranged above a feeding assembly, the first carding mechanism comprises two supporting columns which are fixedly arranged above the feeding assembly and far away from one side of the baking oven, an electric hydraulic cylinder is fixedly arranged in the middle of the top of a transverse frame, and a second carding mechanism is arranged above the transverse frame. An electric hydraulic cylinder is arranged on the feeding table, an output shaft at the bottom of the electric hydraulic cylinder penetrates through the transverse frame and is fixedly connected with a lifting plate, and a plurality of stirring assemblies are arranged at the bottom of the lifting plate. The two gears rotate in different directions under the action of the rack, so that the two L-shaped shifting rods are driven to overturn in different directions, tea leaves stacked at the front end of the feeding groove are shifted and combed, then a palladium comb in the second comb mechanism is matched, the tea leaves are evenly laid to a greater extent before entering a baking oven, and a better baking and aroma improving effect is achieved.

The invention relates to the technical field of cement preparation, and discloses a multi-component cement preparation method, which comprises the following steps: selecting 60% + / -5% of limestone, 15% + / -5% of clay and 15% + / -5% of sandstone as main raw materials according to a corresponding ratio, conveying the cement raw materials into a pulverizer through a belt conveyor, and pulverizing to obtain the multi-component cement. According to the preparation method of the multi-component cement, a driving motor is started, the driving motor drives a bevel gear disc to drive a first fan blade and a bevel gear ring to rotate synchronously, the first fan blade performs dust removal operation in the rotating process, the bevel gear ring drives a rotating rod to rotate synchronously, and the first fan blade and the bevel gear ring rotate synchronously. And the rotating rod drives the stirring rod to pre-crush and mix the cement raw materials at the top of the long-range conveying belt, so that the pressure of conveying the cement raw materials at the top of the long-range conveying belt is more uniform, and the workload of grinding the raw materials in the subsequent preparation process is also reduced.

The utility model discloses raw material mixing equipment for manufacturing general equipment, which belongs to the technical field of mechanical manufacturing, and comprises a stirring tank, a material guide component and a stirring component, a first feed hopper is fixedly mounted on one side of the top of the stirring tank, and a second feed hopper is fixedly mounted in the middle of the top of the stirring tank; a feeding pipe is fixedly installed at the bottom of the second feeding hopper, the material guiding assembly comprises a material receiving pipe, a long guide pipe, a short guide pipe and a driving assembly, the material receiving pipe is rotationally installed in the center of the top of the stirring tank, the lower end of the feeding pipe extends into the material receiving pipe, and the long guide pipe and the short guide pipe are symmetrically distributed on the two sides of the lower end of the material receiving pipe; the stirring assembly comprises a first motor and a stirring rod; through the arrangement of the first feeding hopper, the stirring assembly, the second feeding hopper, the second feeding pipe and the material guiding assembly, the two raw materials can be uniformly dispersed during feeding, mixing is accelerated, and the mixing efficiency is improved.

This invention discloses a high-pressure forming apparatus and method for graphene high-speed steel bearings. The apparatus includes a human-machine interface system, an automatic loading and unloading system, a high-pressure forming system, and a control system. The method is as follows: First, the high-speed steel bearing is placed on a vibrating conveyor belt and transported to a bearing mounting base. After a proximity switch sensor detects the high-speed steel bearing, the main controller controls a magnetic mechanical gripper to remove the high-speed steel bearing from the bearing mounting base and place it between high-pressure forming molds. Then, a lower layer of graphite material is laid on the base of the high-pressure forming mold, and the high-speed steel bearing is placed in the inner ring of the mold. The upper cover of the high-pressure forming mold is lowered to cover the bearing, and a plug is placed in the inner ring of the upper cover of the high-pressure forming mold before laying the upper layer of graphite material. Finally, the high-pressure forming system is activated, and the high-pressure forming ejector pin performs double-sided forming on the upper and lower end faces of the high-speed steel bearing. This invention achieves high-pressure forming of graphite material for graphene high-speed steel bearings, with a high degree of automation, improving production efficiency and product quality.

The utility model relates to the technical field of pipeline laying, and discloses an automatic laying device for power pipeline construction, which comprises a machine body, a motor is fixedly connected to the rear end of the right side of the top of the machine body, rotating rods are rotatably connected to the upper and lower ends of the front and rear sides of the inner wall of the machine body, and a driving chain wheel is fixedly connected to the right end of the rotating rod at the lower end of the rear side; a driven chain wheel is fixedly connected to the right end of the rotating rod at the lower end of the front side, the driven chain wheel is in transmission connection with the driving chain wheel through a chain, transmission belts are rotationally connected to the outer walls of the multiple rotating rods, and a plurality of fixing buckles are fixedly connected to the outer walls of the two transmission belts at equal intervals; the left side and the right side of the machine body are each provided with a multi-terrain moving mechanism. According to the pipeline laying device, the motor drives the transmission belt and the fixing buckle to limit the pipeline through the driving chain wheel, the chain, the driven chain wheel and the rotating rod, so that the pipeline is uniformly conveyed downwards to be laid, and the effect of automatically and uniformly laying the pipeline is achieved.

The invention relates to the technical field of graphene fabrics, in particular to a preparation process of a three-in-one graphene hydrophilic skin velvet fabric, the graphene fabric is subjected to leveling and flaw removing treatment, so that the stability and smoothness of the graphene fabric and an elastic film during bonding are improved, the elastic film is subjected to leveling treatment, and glue is subjected to hot melting treatment, so that the graphene hydrophilic skin velvet fabric is obtained. According to the graphene fabric and the elastic film, the glue can be better and uniformly laid between the graphene fabric and the elastic film, so that the fitting tightness of the graphene fabric and the elastic film is improved, and the glue is a hot melt adhesive, so that the glue is uniformly laid between the graphene fabric and the elastic film when the elastic film and the graphene fabric are subjected to gluing treatment by using a gluing roller, and the gluing tightness of the graphene fabric and the elastic film is improved. In this way, during subsequent drying treatment, extra pressing treatment is not needed, only natural airing and cooling are needed, and the production cost is reduced.

The utility model discloses a roof waterproofing membrane paving auxiliary device, including base and the round wheel of base bottom, base top is equipped with respectively along waterproofing membrane paving direction arrangement's laying device and traction mechanism, the traction mechanism is located base one end, and laying device is close to base other end. The utility model discloses automatic laying waterproofing membrane, replaces traditional manual dragging, and the construction efficiency is greatly promoted, and the worker labor intensity is reduced, can be widely used in roof waterproofing field.

The utility model relates to the technical field of road construction, and discloses a sidewalk pavement paving device for road construction, which comprises a shell, a mounting plate is fixedly connected to the inner wall of the shell, a sliding rod is fixedly connected to the outer part of the mounting plate, a sliding plate is slidably connected to the outer part of the sliding rod, a screening frame is fixedly connected to the outer part of the sliding plate, and the screening frame is fixedly connected to the inner wall of the shell. A first motor is fixedly installed on the right side wall of the shell, an eccentric wheel making contact with the screening frame is fixedly connected to an output shaft of the first motor, a discharging hole is formed in the bottom of the shell, a second motor is fixedly connected to the back face of the shell, and a threaded rotating shaft is fixedly connected to an output shaft of the second motor. And the outer part of the threaded rotating shaft is in threaded connection with a scraping plate. According to the sidewalk pavement paving device for road construction, gravel is screened by arranging the screening net, the gravel with the large size is crushed and ground through the grinding roller, the gravel is scraped through the scraping plate, and the purpose of uniform paving is achieved.

The invention discloses a lithium hexafluorophosphate production and separation device, and relates to the technical field of lithium hexafluorophosphate processing, the lithium hexafluorophosphate production and separation device comprises a purification mechanism and a rotating motor mounted on one side of the purification mechanism, the purification mechanism is internally provided with a rotating mechanism, and one end of the rotating mechanism is provided with a sodium fluoride adsorber; the purifying mechanism comprises a purifying and separating box, feeding and discharging holes are formed in one side of the top and one side of the bottom of the purifying and separating box, a fixing disc is fixedly installed on one side of the purifying and separating box, a plurality of spiral gas guiding plates are fixedly installed in the purifying and separating box, the number of the spiral gas guiding plates is three, and the spiral gas guiding plates are arranged in the purifying and separating box. And a spiral gas guide plate is used for achieving the gas guide and drainage effects, gas can enter a second gas inlet pipe through a purification and separation box, lithium hexafluorophosphate can be conveniently dried, and under the effect of centrifugal force, a flexible scraper is attached to the inner surface of the rotating cylinder, and lithium hexafluorophosphate in the rotating cylinder is evenly laid and flattened.

The invention discloses a graphene high-speed steel bearing high-pressure forming device and method. The device comprises a man-machine interaction system, an automatic feeding and discharging system, a high-pressure forming system and a control system. The method comprises the steps that firstly, the high-speed steel bearing is placed on the vibration conveying belt and conveyed to the bearing fixing base, and after the proximity switch sensor senses the high-speed steel bearing, the main controller controls the magnetic mechanical claw to move the high-speed steel bearing out of the bearing fixing base and place the high-speed steel bearing between the high-pressure forming dies; laying a lower-layer graphite material on a base of a high-pressure forming mold, placing the high-speed steel bearing in an inner ring of the mold, lowering an upper cover of the high-pressure forming mold to cover the bearing, placing a plug on an inner ring of the upper cover of the high-pressure forming mold, and laying an upper-layer graphite material; finally, the high-pressure forming system is started, and the high-pressure forming ejector rod performs double-face forming on the upper and lower end faces of the high-speed steel bearing. High-pressure forming of the graphite material of the graphene high-speed steel bearing is achieved, the automation degree is high, and the production efficiency and the product quality are improved.

This application discloses a sludge dewatering material spreading device and method, belonging to the field of sludge treatment technology. The sludge dewatering material spreading device includes a spreading bed, a filter press chamber, and a filter cloth frame. The filter press chamber is equipped with a filter basket and a tray assembly. The filter basket opening is equipped with a laser rangefinder. The tray assembly includes a tray and a lifting mechanism, which drives the tray to move up and down within the filter press chamber. The filter cloth frame provides filter cloth, and the spreading bed lays filter cloth and sludge within the filter press chamber. The tray assembly enables tray lifting, and the spreading bed lays filter cloth and sludge within the filter press chamber, with the sludge spread between the filter cloths for subsequent filtration. The laser rangefinder at the filter basket opening accurately measures the distance between the sludge material and the basket opening, allowing for precise and digitized measurement of the tray's lowering or raising height, thus achieving dynamic matching between the spreading material and the tray's descent.

The invention relates to the technical field of road construction, and discloses sponge city pervious concrete footpath construction equipment and a construction method.The sponge city pervious concrete footpath construction equipment comprises a stock bin and a transverse plate, the transverse plate is fixedly arranged on one side of the stock bin, side plates are fixedly arranged on the two sides of the lower surface of the stock bin, and a first rotating rod is rotationally arranged between the two side plates; the rod wall of the first rotating rod is fixedly sleeved with a discharging roller, a discharging port is formed in the bottom of the stock bin, the upper side of the discharging roller extends to the inner side of the discharging port, a plurality of material receiving grooves are formed in the side wall of the discharging roller, a U-shaped plate is fixedly arranged on the lower surface of the transverse plate, and a second rotating rod is rotationally arranged on the inner side of the U-shaped plate; the rod wall of the second rotating rod is fixedly sleeved with a pressing roller. According to the construction equipment and the construction method for the permeable concrete footpath of the sponge city, uniform discharging of concrete can be guaranteed, the concrete can be stirred in the discharging process, the good fluidity of the concrete is kept, and the construction quality is guaranteed.

The invention discloses a conveyor belt or mesh belt type conveyor line automatic discharging device and a conveying method. The conveyor belt or mesh belt type conveyor line automatic discharging device comprises a rack, a first-stage conveyor belt, a second-stage conveyor belt, a material box storage device and a material box feeding device, wherein the first-stage conveyor belt and the second-stage conveyor belt are controlled by a conveyor belt motor; the first-stage conveying belt is mounted above the second-stage conveying belt, and a gap between the first-stage conveying belt and the second-stage conveying belt is larger than the height of the material box, so that the material box can be conveyed below the first-stage conveying belt and on the second-stage conveying The material box storage device is installed at the side end of the first-stage conveying belt, material boxes stacked up and down are stored in the material box storage device, and the material box feeding device is installed at the bottom of the material box storage device. Workpieces are buffered through the first-stage conveying belt, the falling height of the workpieces is effectively reduced, the edge knocking proportion of products is greatly reduced, automatic feeding of the material boxes is achieved, conveying of the material boxes is controlled through the second-stage conveying belt, the workpieces are evenly laid in the material boxes, the labor intensity is reduced, manual discharging is replaced, and the labor cost is reduced; and material bumping and scratching caused by uncontrollability are avoided.

The invention discloses a constructional engineering road cable laying device which comprises a base, two backfilling rods are hinged to the right side face of the base, the side faces, close to each other, of the two backfilling rods are jointly and rotationally connected with a compaction wheel, the upper surface of the base is connected with a supporting frame, the front face of the supporting frame is connected with a first motor, and the inner wall of the supporting frame is connected with a threaded rod. The output end of the first motor penetrates through the outer wall of the supporting frame and is fixedly connected with one end of a threaded rod, the outer surface of the threaded rod is in threaded connection with a sliding block, and a cable guiding block is movably installed on the bottom face of the sliding block. Through cooperation of the first motor, the threaded rod, the sliding block and the cable adjusting guide block, the angle can be adjusted in the cable placing process, the cable laying requirement of a nonlinear ditch can be met, the cable is prevented from deviating from a preset path during laying, backfilling can be conducted while cable laying is conducted through the backfilling rod, and the backfilling efficiency is improved. And the hinged backfilling rods can adapt to various terrains.

The invention belongs to the technical field of power transmission devices, and particularly discloses a cable arrangement device for power transmission cable production, which comprises a worktable, two fixing frames are fixedly connected to the top of the worktable, a winding drum is fixedly connected between the two fixing frames through a bearing, and a motor is fixedly connected to one side of each fixing frame through a mounting seat. According to the cable winding device, the surface of the extension part is larger than that of the transmission cylinder, a larger blocking space is provided, displacement of a cable in the winding process due to unstable fixation is prevented, stains on the surface of the cable can be adsorbed by cleaning cloth when the cable passes through a passing hole of the transmission cylinder, and the cable is prevented from being damaged. When the cable passes through the transmission cylinder, the whole cable is twisted after being in contact with the first guide cylinder and is twisted again through the second guide cylinder, so that the cable twisting device has the advantages that the direction of the cable is deflected by 90 degrees through two times of twisting, the effect is stable, damage to the cable is smaller, and meanwhile, the surface of the cable can be simply cleaned.

The invention discloses a ground terrazzo paving device, and relates to the technical field of terrazzo paving, the ground terrazzo paving device comprises a moving mechanism, a stirring mechanism and a polishing mechanism, the moving mechanism comprises a bottom supporting plate, the stirring mechanism comprises a stirring tank, the stirring tank is arranged at the top of the bottom supporting plate, the bottom of the stirring tank is fixedly connected with a discharge port, and the bottom of the stirring tank is fixedly connected with the polishing mechanism. And the bottom of the discharge port is connected with a telescopic pipe. After terrazzo and cement materials are put into the stirring tank to be stirred, the terrazzo and the cement materials are discharged by opening a valve on a discharging opening, the discharged materials are output through a telescopic pipe, in the output process, a first motor drives a first lead screw to rotate so as to drive a connecting plate to move transversely, and a second motor drives a second lead screw to rotate; and then the position of the connecting plate is driven to achieve longitudinal movement, so that the end part of the telescopic pipe is conveniently driven to achieve the effect of multi-directional movement adjustment, the effect of uniform laying is achieved, the laying range is guaranteed, and manual operation is not needed.

The asphalt paver comprises a vehicle body, wheels are arranged at the four corners of the bottom end of the vehicle body, a hand push rod is arranged on the rear side of the upper end of the vehicle body, a heat preservation shell is arranged on the front side of the upper end of the vehicle body, a storage tank is arranged in the heat preservation shell, an electric heating pipe is arranged between the storage tank and the heat preservation shell, and a feeding opening is formed in the upper end of the storage tank. A discharging pipe is arranged at the bottom end of the storage tank, an electromagnetic valve is arranged in the discharging pipe, a rotating shaft is rotationally connected to the interior of the storage tank, a first motor is connected to the upper end of the rotating shaft, the storage tank is fixedly connected to the bottom end of the first motor, a plurality of evenly-distributed stirring blades are arranged on the surface of the rotating shaft, and a wall scraping device is arranged in the storage tank. The bottom end of the discharging pipe is connected with a discharging barrel, and a flattening device is arranged on the rear side of the storage tank. According to the asphalt paver disclosed by the utility model, not only can the remaining asphalt be cleaned, but also the paving is more uniform.

The present application relates to the technical field of road construction, and in particular to a mud-lime gravel paving device and a construction method for road base construction, wherein the mud-lime gravel paving device for road base construction comprises a vehicle body, a storage hopper, a discharging assembly and a flattening assembly, wherein the storage hopper is arranged on the vehicle body, the discharging assembly comprises a box body, the top of the box body is connected to the storage hopper, a discharging port is provided at the bottom of the box body, a multi-layer dividing plate is arranged in the box body, a plurality of discharging holes are provided on the dividing plate, the length of the dividing plate gradually increases from the top of the box body to the bottom, the material in the storage hopper falls onto the uppermost dividing plate, a moving part for driving the dividing plate to reciprocate is arranged on the box body, an opening and closing part for controlling the opening and closing degree of the discharging hole is arranged on the dividing plate, and the flattening assembly is used to flatten the material discharged from the discharging port. The present application has the effect of paving gravels of different sizes more evenly and flatly.

The invention relates to the technical field of municipal cable construction, and discloses a drop and inclination adjustable power cable releasing device which comprises a support, a first motor is fixedly connected to the front face of the support, a reel is fixedly connected to the output end of the first motor, and the front face and the back face of the reel are rotationally connected with the inner wall of the support. A cable is wound on the outer surface of the reel, and an adjusting assembly is arranged on the right side of the reel and comprises a support rotationally connected to the outer surface of the support. The drop of the cable taken out of the reel is adjusted according to the on-site construction environment, the position of the pulley is adjusted by rotating the support, the number of the sliding rods is three, the cable can penetrate through the sliding rods with different heights according to the drop degree of the reel cable, the releasing angle and tension of the cable are adjusted, it is ensured that the cable can smoothly cross the areas with different heights, and the cable laying efficiency is improved. A cable laying project can be smoothly carried out in a complex terrain and is not limited by a fall problem of the terrain.

The utility model belongs to the technical field of water quality treatment, in particular to water quality treatment equipment for aquaculture, which comprises a box body and a partition plate arranged in the box body, an L-shaped groove is arranged on the inner wall of a blow-off pipe, a movable block is connected in the special-shaped groove, a filter sleeve is fixedly arranged on the movable block, and the filter sleeve is fixedly connected with the filter sleeve. The filter sleeve is slidably mounted on the blow-off pipe, a stop block is arranged at one end of the blow-off pipe, and one end of the stop block extends out of the first moving groove. According to the sewage treatment device, the filter sleeve is installed so that filtered impurities can be conveniently cleaned, the impurities can be attached to the filter sleeve, the filter sleeve is pulled to move out of the box body through the special-shaped groove, and finally when the movable block drives the filter sleeve to move to one end of the special-shaped groove, the filter sleeve is pulled upwards so that the filter sleeve can be separated from the sewage discharge pipe. And the impurities on the filter sleeve can be conveniently cleaned, the impurities do not need to be driven by water flow to flow out of the blow-off pipe, waste of water resources is reduced, and the environment is protected against pollution.

The utility model discloses a metal die-casting heater, which relates to the technical field of metal die-casting heaters, and comprises an upper end cover, a lower end cover, a metal die-casting shell, a support, a liquid inlet pipe and a liquid outlet pipe, and one end of the upper end cover is provided with the lower end cover. The casting liquid pipelines are arranged in an M shape in the upper end cover, the lower end cover and the metal die-casting shell, the heating pipes are of an I-shaped integrated structure, and each heating pipe is divided into four heating pipes in a group, so that the heating pipes can be uniformly laid in the metal die-casting shell, the heat conduction area is increased, and the heat conduction efficiency is improved. Meanwhile, the heating pipe and the casting liquid pipeline are placed at the included angle of 90 degrees, so that by improving the runner and the heating pipe, the internal temperature of the heating pipe during working is reduced, the heat efficiency of the metal die-casting heater is improved, the service life of the heating pipe is prolonged, and the metal die-casting heater can be used more conveniently and quickly.