115results about How to "Fast fill" patented technology

The invention relates to a shield segment socket type connecting structure and a construction method. A standard segment system comprises standard blocks, and the multiple standard blocks are spliced through a segment self-locking system; the adjacent segment systems are assembled at the two ends of the standard segment system through the segment self-locking systems, and the capping segment system is installed between the two adjacent segment systems. The adjacent single-ring pipe pieces are spliced through the pipe piece self-locking system in the longitudinal direction. The duct piece self-locking system has the beneficial effects that the duct piece self-locking system adopts the socket type connecting structure to connect the duct pieces, a traditional bolt connecting mode is replaced, the connecting mode is high in construction speed and easy and convenient to operate, external tools are not needed, time and labor cost are saved, and the duct piece connecting efficiency and reliability are improved; the integral bearing capacity of the duct piece structure can be improved, and the use requirements in different environments can be met.

The invention discloses a PVB (Polyvinyl Butyral) film forming die and a forming process thereof, and relates to the technical field of PVB film forming, the PVB film forming die comprises a sliding seat and an extruder assembled with the sliding seat; the elevator assembly is arranged on the sliding seat; the double-roller cooling assembly is arranged on the elevator assembly; wherein the double-roller cooling assembly comprises two cooling roller bodies, and each cooling roller body comprises a barrel, a water inlet assembly and a water outlet assembly, and the water inlet assembly and the water outlet assembly are arranged at the ends of the barrel respectively; the barrel comprises a water inlet inner sleeve, a cooling middle sleeve and an embossing outer sleeve which are sequentially distributed from inside to outside, and a one-way valve plate assembly and a baffle assembly are arranged on the periphery of the water inlet inner sleeve; and the transmission block is arranged between the water inlet inner sleeve and the cooling middle sleeve. According to the invention, through the operation of rapid water injection and cooling on the opposite clamping sides of the two barrels and rapid extrusion and drainage on the opposite sides, the rapid injection circulation and replacement process of cooling water is realized, and the cooling effect of the barrels is obviously improved, so that the cooling forming quality of a PVB film is ensured.

The present invention discloses a PVB film forming mold and a forming process thereof, and relates to the technical field of PVB film forming, including: a slide, an extruder assembled with the slide; an elevator assembly arranged on the slide; and a double-roller cooling assembly arranged on the elevator assembly; wherein the double-roller cooling assembly includes two cooling roller bodies, each of which includes a cylinder, and a water inlet assembly and a water outlet assembly respectively arranged at the ends of the cylinder; the cylinder includes an inner water inlet sleeve, a cooling middle sleeve and an embossed outer sleeve sequentially distributed from the inside to the outside, wherein a one-way valve plate assembly and a baffle assembly are arranged on the outer periphery of the inner water inlet sleeve; and also includes a transmission block arranged between the inner water inlet sleeve and the cooling middle sleeve. The present invention realizes the rapid filling, circulation and replacement process of cooling water by rapidly injecting water and cooling the clamping sides of the two cylinders, and rapidly squeezing and draining water on the opposite sides, and significantly improves the cooling effect of the cylinder to ensure the cooling and forming quality of the PVB film.

The invention relates to injectable high-strength hydrogel for bone tissue repair and a preparation method of the injectable high-strength hydrogel, a poly (hydroxyethyl acrylate-methyl acrylate) random copolymer is prepared through solution polymerization, the copolymer is fully swelled in water to obtain physical cross-linked hydrogel, and the injectable high-strength hydrogel is injectable and gelling in vivo under the action of shear thinning. And the water spitting of the gel is enhanced under physiological conditions. And mixing bioactive glass capable of forming hydrogen bond crosslinking with the copolymer to prepare the injectable high-strength hydrogel. The hydrogel not only can provide good support for a bone defect part, but also can promote proliferation and differentiation of internal cells of the bone defect part. The hydrogel disclosed by the invention is simple to prepare, convenient to operate, rapid in response, good in biocompatibility, relatively good in self-repairing capability, injectable and small in minimally invasive injury, and has a good application prospect in the field of irregular bone defect repairing.

The invention discloses polymer-based anti-crack concrete and a preparation method thereof, and relates to the technical field of concrete. When the polymer-based anti-crack concrete is prepared, acrylic acid is grafted on the surfaces of pretreated polypropylene particles to prepare modified polypropylene particles; coating sodium metasilicate with sodium alginate to prepare a self-repairing microcapsule; the preparation method comprises the following steps: hydrolyzing 3-glycidyl ether oxypropyl trimethoxy silane, and grafting the hydrolyzed 3-glycidyl ether oxypropyl trimethoxy silane on the surface of silicon dioxide to prepare modified silicon dioxide; mixing the modified polypropylene particles, basalt fibers and polyacrylonitrile fibers to obtain a solid functional component; cement, slag powder, silica fume, an expanding agent, a solid functional component, modified silicon dioxide, a water reducing agent, an air entraining agent, deionized water, river sand, gravel and the pre-wetted self-repairing microcapsule are mixed, and the polymer-based anti-crack concrete is prepared. The polymer-based anti-crack concrete prepared by the invention has excellent anti-crack, freeze-thaw-resistant and self-repairing properties.

The invention discloses a multi-cavity balloon blood vessel dilation catheter which comprises a catheter body. The multi-cavity balloon is arranged on the catheter in a sleeving manner; wherein the multi-cavity balloon comprises a balloon body, the balloon body comprises at least two cavities, the appearance of the multi-cavity balloon body is in a concave-convex shape, and all cavity channels of the balloon body are communicated with cavity channels filled with a pressure relief medium; each cavity of the balloon is filled, and the pressure of the pressure relief medium is balanced; on the circumference of the section of the blood vessel dilation section, the value of radial dilation supporting force borne by the balloon on the blood vessel wall is inconsistent, the radial dilation supporting force F borne by the balloon attached to the blood vessel is maximum, and the non-attached area of the balloon and the blood vessel is not subjected to the radial dilation supporting force. The blood vessel inner wall which is not subjected to radial expansion supporting force and the blood vessel inner wall which is subjected to the maximum radial expansion supporting force are easy to tear or crack, so that the purpose of blood vessel expansion is achieved, and the blood vessel expansion effect is effectively improved; and the balloon sunken part is used for blood to pass through when the multi-cavity balloon dilates a blood vessel.

The utility model belongs to the technical field of lubricating oil additive filling, and particularly relates to a lubricating oil additive finished product filling device which comprises a base, supporting legs are arranged at the four corners of the bottom of the base, a filling mechanism is installed on the top of the base, and the rear end of the filling mechanism is communicated with a stirring mechanism. And a conveying mechanism is arranged below the filling mechanism. According to the filling mechanism disclosed by the utility model, the lubricating oil additive can be quickly filled through the cooperative operation of the liquid pump, the hose, the connecting pipe and the filling head. The electric telescopic rod can adjust the height of the filling head to adapt to filling containers of different specifications, and the universality of the equipment is improved; the electromagnetic valve can accurately control opening and closing of each filling head, and the accuracy of the filling amount is ensured.

The invention provides a magnesium alloy welding method based on a semi-solid intermediate layer and pulse current and a connector, and relates to the technical field of material welding, the magnesium alloy diffusion welding method based on the semi-solid intermediate layer comprises the steps that raw materials of a brazing filler metal layer are taken to be smelted, then poured into a mold and cooled to the room temperature, and the solidified brazing filler metal layer is obtained; the solidified brazing filler metal layer is subjected to solution treatment, the brazing filler metal layer subjected to solution treatment is subjected to aging treatment, and a semi-solid brazing filler metal layer is obtained; and the semi-solid brazing filler metal layer is arranged between the two magnesium alloys to serve as a middle layer, pulse current diffusion welding is conducted, and the magnesium alloy connector is obtained. In the welding process, local high temperature of a welding seam is diffused and welded through pulse current to avoid deformation of the magnesium alloy, sharp hard solid-phase particles in the semi-solid middle layer extrude and damage an oxide film existing on the surface of the base metal magnesium alloy, and meanwhile, a liquid phase of the semi-solid middle layer greatly reduces the welding pressure and rapidly fills bonding interface pores; and small-deformation and high-strength metallurgical bonding of the joint is quickly realized.

The invention relates to a dynamic solidification pouring system for investment casting, which comprises a die head and a plurality of die shell structures arranged around the die head, and the die head is matched with the die shell structures; the die head comprises a pouring column body, an exhaust structure is arranged on the upper portion of the pouring column body, and a spiral auxiliary pouring gate is arranged on the lower portion of the pouring column body. The mold shell structure comprises a product pouring inner cavity, an upper connecting port is formed in the top of the mold shell structure, and a lower pouring channel is formed in the bottom of the mold shell structure. When the pouring system is used, dynamic solidification pouring of molten metal can be achieved, after the molten metal enters the pouring system, the molten metal enters the product pouring inner cavity along the spiral auxiliary pouring gate under the action of centrifugal force, then solidification is completed layer by layer along the inner wall of the mold shell, metal of each layer is solidified in sequence, mold filling can be completed stably and rapidly, and the production efficiency is improved. And the mold filling speed is increased, the probability of insufficient pouring and cold shut of the thin-wall metal part is reduced, and the product quality is improved.

The invention relates to the technical field of casting, in particular to a pouring system for improving looseness of a ZL205A aluminum alloy casting, the pouring system comprises a straight pouring gate, a transverse pouring gate and a plurality of inner pouring gates, the number of the inner pouring gates is multiple, and the inner pouring gates are annularly and uniformly distributed on the upper end face of a casting wax mold; an annular pouring gate is adhered to the top surfaces of the plurality of inner pouring gates; the plurality of cross runners are arranged in a crossed manner, and the lower surfaces of the cross runners are connected with the upper surface of the annular runner; the lower end of the straight pouring gate is connected with the crossed part of the plurality of transverse pouring gates; in the vertical direction, the connecting part of the transverse pouring gate and the annular pouring gate is staggered from the connecting part of the inner pouring gate and the annular pouring gate, so that molten metal can be prevented from directly entering a wax mold from the transverse pouring gate through the inner pouring gate, an overheated area formed by direct impact of the molten metal is avoided, the problem of casting looseness is thoroughly solved, and qualified castings are obtained.

The utility model belongs to the technical field of cattle and sheep breeding, and particularly relates to a grazing cattle and sheep concentrated feed supplementary feeding device which comprises a supplementary feeding trough, side plates are symmetrically arranged on the two sides of the upper side of the supplementary feeding trough, transverse rods are symmetrically arranged on the sides, close to each other, of the side plates, the transverse rods are arranged on the upper sides of the edges of the two sides of the supplementary feeding trough, and baffles are arranged on the upper sides of the side plates. A sliding block is arranged on the baffle and located on the upper side of the filling groove, a hopper is arranged on the upper side of the sliding block in an inserted mode, and the hopper penetrates through the sliding block to the lower side. During use, the concentrated feed bag is opened, the opening faces downwards, the concentrated feed bag is placed in the hopper, the hopper is pushed, the hopper drives the sliding block to slide along the filling groove, concentrated feed directly falls into the supplementary feeding groove along the hopper, rapid filling can be completed, manual shoveling and feeding are not needed, and the feeding device is convenient, rapid and labor-saving.

The utility model relates to the technical field of solution split charging, in particular to double-solution split charging equipment. Comprising a base, a storage barrel, a mounting support and a moving assembly, the moving assembly comprises a guide column, a spring, a limiting disc, a moving plate, a subpackaging head, an adding component and a conveying component, a solution can be guided into the storage barrel to be stored through the adding component, further, containers with different heights are placed on the base, then the moving plate is pulled downwards, the spring is compressed, and the solution can be stored in the storage barrel. The split charging heads can be moved to be in better liquid guide spacing fit with containers with different heights, an operator can be prevented from lifting the containers, the risk that the operator makes contact with a solution is reduced, the split charging heads are arranged in two sets, the two operators can operate at the same time, the split charging efficiency is improved, and the split charging efficiency is improved. And therefore, during solution split charging treatment, the device can be matched with containers with different heights for quick split charging, and the safety of split charging operation is improved.

The utility model relates to the technical field of water and fertilizer integrated vehicles, and discloses a self-propelled water and fertilizer integrated vehicle which comprises a vehicle body, a water pump is fixedly connected to the top of the vehicle body, a connecting seat is fixedly connected to the side wall of the water pump, and an adjusting assembly is arranged on the side wall of the connecting seat and comprises a side plate. The multiple side plates are fixedly connected to the side wall of the connecting base, a rotating frame is rotationally connected between every two side plates, an inner groove is formed in each rotating frame, the side walls of the multiple side plates are fixedly connected with motors, the output ends of the motors are fixedly connected with the side walls of the rotating frames, and the side wall of the connecting base is fixedly connected with a fixing base. According to the irrigation device, different-angle irrigation of the vertical shaft and the transverse shaft of the spraying pipe can be achieved through rotation of the multiple rotating frames, hand holding is not needed, accurate fertilization and irrigation are ensured while the irrigation efficiency is improved, and water and fertilizer in the water and fertilizer tank are pumped into the spraying pipe for irrigation through connection of the water pump and the conveying pipe.

The invention relates to the technical field of mine construction, and discloses a fluid filling construction method which comprises the following steps: mounting a framework on a roadway of a pre-filled stope opening; a plurality of clamping grooves are formed in the framework, the clamping grooves abut against the roadway wall through the framework, irregular gaps are formed between the clamping grooves and the roadway wall, and plate inserting openings are formed in the clamping grooves; the gap is filled with liquid A and liquid B through the plate inserting opening, and the liquid A and the liquid B are mixed in the gap to form a filling body; installing an insertion plate on the insertion plate opening to prevent the filling body from overflowing from the gap; and after the filling body is solidified, the framework is detached and recycled, and fluid filling construction is completed. The construction technology method is simple, easy to operate, efficient, convenient, low in cost and particularly suitable for frequently-filled ore bodies, one-time input and repeated use are achieved, and the requirement for stope filling is met.

The invention discloses a volume-adjustable medicine storage system and a quantitative liquid medicine filling method, and relates to the technical field of medical instruments, in particular to a volume-adjustable medicine storage system which comprises a medicine bin, a liquid medicine filling device, a liquid medicine filling device, a liquid medicine filling device, a liquid medicine filling device and a liquid medicine filling device, the driving assembly comprises an output sleeve and a threaded sleeve which are coaxially arranged in a sliding mode, the output sleeve and the medicine bin are arranged in a relative rotating mode, the threaded sleeve and the threaded rod are installed in a thread meshing mode, and a locking control assembly used for locking the axial relative movement of the output sleeve and the threaded sleeve is arranged between the output sleeve and the threaded sleeve; according to the volume-adjustable medicine storage system and the quantitative liquid medicine filling method, by arranging the locking control assembly, the locking state between the piston and the driving assembly can be switched, then the requirement for adjusting the volume of the medicine bin is met, injection of the liquid medicine with the specific volume is met, and then the situation that the liquid medicine is wasted due to expiration is avoided.

This utility model provides a liquid flavoring metering and dispensing device, belonging to the field of liquid flavoring packaging. Its key technical features include a dispensing mechanism comprising a tank body. A connecting injection pipe is fixedly connected to the top of the tank body, and a rotary joint is fixedly connected to the bottom of the tank body. A connecting T-joint is fixedly connected to the end of the rotary joint away from the tank body. Multiple connecting flexible tubes are uniformly fixedly connected to the bottom of the T-joint. A solenoid valve is fixedly connected to the end of each group of flexible tubes away from the T-joint, and a dispensing tube is fixedly connected to the end of each group of solenoid valves away from the flexible tubes. The inner diameter of each group of dispensing tubes is different. This utility model aims to provide a liquid flavoring metering and dispensing device to improve the dispensing efficiency for containers of different diameters.

The invention discloses an automatic charging method for tunneling blasting. Full-automatic intelligent charging of blasting holes in a blasting tunnel face is achieved. By means of an arch frame trolley commonly used in tunnel construction, a full-automatic intelligent explosive charging system is integrated on the arch frame trolley, namely, an intelligent control mechanical arm is integrated at the top end of a cantilever beam of the arch frame trolley, and a pneumatic explosive charging machine and an explosive cartridge stock bin box body are integrally installed on an arch frame trolley body. A movable initiating explosive cartridge storage box filled with initiating explosive cartridges is placed on the ground on the front side of a blasting tunnel face, and automatic explosive taking and charging of the initiating explosive cartridges are achieved by controlling a mechanical arm; a stepping type automatic material distributing mechanism ingeniously connected with an explosive cartridge storage bin is designed, an air cylinder conveying mode is adopted, the explosive cartridges obtained after material distributing are automatically conveyed into a pneumatic charging machine, and automatic charging and filling of the explosive cartridges of blast holes are achieved through cooperation with the pneumatic charging machine; and a new construction method is provided for on-site blasting construction of the tunnel.

The invention relates to the technical field of hole filling materials around a shield, and discloses a hole filling material around the shield and a preparation method and application of the hole filling material around the shield. The mass ratio of the sodium bentonite to the calcined kaolin to the organosilicon waterproofing agent to the fly ash to the building retarder to the thickening agent in the component A is (25%-28%): (25%-28%): (2%-4%): (2%-3%): (2%-4%): (0.04%-0.08%), and the balance is water; and the component B comprises a sodium silicate aqueous solution. The material disclosed by the invention can be applied to a soft soil area, and the shield periphery pore filling material has good pumpability, so that the shield periphery pores can be quickly filled; and in addition, the reaction is rapid, the certain viscosity is achieved, and the final supporting performance reduction caused by solid-liquid separation of the shield periphery hole filling material in the reaction process can be avoided.

The present invention belongs to the field of thermal energy utilization technology, and discloses a solar shallow surface thermal energy complementary building energy utilization device and its utilization method, including an energy converter, a fixing frame, a geothermal energy exchange box, a heat exchange curved pipe and a cable, wherein the heat exchange curved pipe is located inside the geothermal energy exchange box. The present invention allows the cleaning parts arranged on both sides of the upper and lower sides of the heat exchange curved pipe to perform reciprocating friction, and utilizes the friction effect to clean the dirt attached to the outer surface of the heat exchange curved pipe, thereby avoiding excessively thick dirt from affecting the subsequent heat exchange efficiency, and completing automatic descaling without the need for disassembly and shutdown, greatly improving the heat exchange efficiency during continuous energy exchange heating, and cooperating with the assembly components on both sides and the removable No. 1 filter sleeve to realize direct cleaning of the dirt after descaling, effectively avoiding the residual dirt after descaling from affecting the heat exchange effect, and realizing automatic descaling and convenient cleaning and discharge after dirt removal, with good use effect.

The present invention relates to the technical field of skin care product raw materials, and specifically discloses a method for extracting an anti-wrinkle complex, comprising the following steps: step 1), mixing oats, corn, soybeans, wolfberries, peas, and water, heating to 45-55°C to obtain a premix; step 2), adding a composite enzyme to the premix, constant temperature 45-55°C, stirring for 48-56h; step 3), heating to kill enzymes, cooling; step 4), cooling to 30-35°C, adding composite bacteria, constant temperature 30-35°C, and fermenting for 72-80h; step 5), heating and sterilizing, cooling; step 6), filtering, taking filtrate, and obtaining an anti-wrinkle complex; the composite enzyme is a composite of glucanase, neutral protease, and papain; the composite bacteria is a composite of Staphylococcus aureus and Aspergillus cristatus. The present invention has the advantage of rapid wrinkle removal.

The invention belongs to the technical field of grouting devices, and particularly relates to a grouting device for tunnel engineering, which comprises a high-pressure air pipe, a grouting pipe fitting is movably mounted in the high-pressure air pipe, a high-pressure rubber pipe is movably mounted at one end of the grouting pipe fitting, and the high-pressure rubber pipe is used for conveying grout. The grouting pipe fitting comprises a grouting guide pipe movably installed in the high-pressure air pipe and a connecting piece installed above the grouting guide pipe in a threaded mode, airflow of the air supply equipment can be blown out from a hole formed in the high-pressure air pipe and one end facing the interior of a drill hole, broken stones and rock powder are blown away, insertion of the high-pressure air pipe is not affected, and the grouting efficiency is improved. The grouting guide pipe is taken and inserted into the high-pressure air pipe until the corresponding grouting hole is aligned with the hole formed in the high-pressure air pipe, cement grout is conveyed into the grouting guide pipe, and continuous input of the cement grout enables the cement grout to pass through the grouting hole and the hole formed in the high-pressure air pipe to be output into rock gaps and gaps outside the drilled hole; and filling is carried out.

The utility model discloses a pouring device for a counterweight casting, which relates to the technical field of casting pouring, and adopts the technical scheme that the pouring device comprises a device base, a pouring outer column and a vibration fixing block, a fixing ring is fixedly mounted outside the device base, a sliding bulge is fixedly mounted outside the pouring outer column, and a mold component is slidably connected outside the sliding bulge; a vibration fixing block is fixedly installed outside the pouring outer column, the vibration fixing block is connected with a fluid vibration assembly, and the fluid vibration assembly comprises a sliding rod, a motor, a rotating disc and a vibration spring. Due to the liquidity of molten metal and shrinkage in the solidification process, accurate balance is difficult to achieve due to the defects of air holes, shrinkage cavities and the like which are easily generated, and the pouring efficiency is low in the casting process.

The utility model discloses a flip type electronic atomizer which comprises a shell, a suction nozzle and an atomizer body, and the atomizer body is arranged in a cavity of the shell. The suction nozzle is arranged on one end face of the shell in a turnover mode through a torsion spring, a lower protruding block is arranged on the surface of the shell, a rotating shaft is arranged on the surface of the lower protruding block, an upper protruding block is arranged on the surface of the suction nozzle, the lower protruding block and the upper protruding block are oppositely arranged to form a containing groove, a clamping block is arranged in the containing groove of the upper protruding block, and a pressing switch is arranged in the containing groove. The surface, close to the shell, of the push switch is provided with a groove and a protrusion, the rotating shaft is embedded into the groove, and the protrusion is buckled with the clamping block. The electronic atomizer can be rapidly filled with oil, the clamping block is extruded by pressing the pressing switch and moves in the same direction as the extrusion force until the clamping block cannot be buckled with the pressing switch, the suction nozzle is turned over, and cover turning is completed; the sealing block is embedded into the sinking groove, and the sealing rubber ring is arranged in the shell, so that the sealing performance of the electronic atomizer is improved, and the oil body and the atomized gas oil body are prevented from leaking.

The utility model relates to the technical field of pipeline joints, in particular to a reducing three-way pipe. The reducing three-way pipe comprises a pipe body, an integrally-formed fork branch pipe is arranged in the middle of the pipe body, inner ring grooves are formed in the inner ring walls of connectors at the two ends of the pipe body, elastic wrinkled air bags are installed in the inner ring grooves, an air storage ring cavity is formed in the pipe wall, corresponding to the inner ring grooves, of the pipe body, and the air storage ring cavity is communicated with the elastic wrinkled air bags through a plurality of air guide pipes. According to the reducing three-way pipe, the threaded sleeve is pushed to enable the elastic wrinkled air bag to expand, the expanded elastic wrinkled air bag can rapidly fill a gap between the pipe head and a connecting pipeline and firmly extrude the connecting pipeline, and rapid butt joint of the pipe body and the connecting pipeline and sealing performance of connection are achieved. And the expanded elastic wrinkled air bag is of an elastic structure, so that the hidden danger of connection strength failure or sealing failure between the pipeline connecting end and the pipe body caused by pipeline vibration is avoided.

The utility model discloses a copper-embedded cathode steel bar for aluminum electrolysis, which comprises a steel bar body, a casting cavity is arranged inside the steel bar body, a casting copper column is arranged inside the casting cavity, a plurality of casting ports are arranged at the top of the steel bar body, and a graphite layer is arranged on the surface of the steel bar body. By arranging the multiple casting openings, casting liquid can be injected into the casting cavity from the multiple casting openings at the same time, the casting cavity is rapidly filled with the casting liquid, the situation that the casting liquid is cooled and blocks the casting cavity is avoided, and the casting copper column formed by cooling of the casting liquid can be tightly attached to the casting cavity; the multiple casting openings are formed, and after casting, the casting openings can serve as exhaust ports, so that rapid cooling of casting liquid is facilitated, the forming time of the cast copper column is shortened, the production efficiency is improved, and time is saved.

The utility model discloses a device for improving the dissolution rate of traditional Chinese medicine compound active ingredient medicine based on the micro-capsule technology, which comprises a machine body and a cover plate arranged at the top of a tank body, a sealing structure is arranged at the top of the machine body, and an opening and closing structure positioned on the inner side of the sealing structure is arranged at the top of the machine body. The sealing structure comprises a supporting column fixedly connected to the top of the machine body, and the top of the supporting column is fixedly connected with a connecting block. According to the utility model, the cover plate is driven by the connecting rod to swing by taking the pin shaft in the connecting block as the axis, and when the cover plate is separated from the tank body, a user can quickly fill raw materials into a plurality of tank bodies and perform synchronous sealing operation after filling is finished, so that the structural functionality of the existing micronization equipment can be improved, and the practicability is high. The multiple tank bodies storing the traditional Chinese medicine materials can be synchronously sealed, the step of frequently opening and closing the multiple tank bodies in the traditional Chinese medicine material adding process is omitted, time and labor are saved, and the traditional Chinese medicine material adding efficiency is improved.

The utility model discloses an axle suspension box steel casting for an internal combustion locomotive, which comprises an outer mold, a pouring gate mold and an outer chilling block, semi-ring molds are arranged at the left end and the right end of the outer mold, a downsprue positioning plate is arranged on the surface of the outer mold, an accessory mold is arranged on the surface of the outer mold, an inner chilling block is arranged in the accessory mold, the pouring gate mold is arc-shaped, and the pouring gate mold is attached to the outer mold. A third loam core is arranged between the pouring gate mold and the outer mold, the multiple outer chilling blocks are annularly arranged on the surface of the semi-ring mold, and through the outer mold, the pouring gate mold and the third loam core, the size and the smooth and clean surface quality of the axle suspension box can be effectively guaranteed, and the hot crack phenomenon generated when molten metal solidifies and shrinks is effectively reduced; through the direct pouring gate positioning plate and the pouring gate mold, rapid mold filling of molten metal can be guaranteed, the good feeding effect is achieved, shrinkage cavities and shrinkage porosity can be effectively prevented, the internal structure of the axle suspension box is compact, the defects of sand inclusion, air holes and the like in the axle suspension box are few, and the production quality of the axle suspension box is improved.

The invention relates to the technical field of building materials, and particularly discloses an anti-freezing concrete prefabricated part and a preparation method thereof, the anti-freezing concrete prefabricated part comprises the following raw materials by weight: 300-360 parts of cement, 40-60 parts of fly ash, 90-110 parts of mineral powder, 642-662 parts of natural sand, 1000-1100 parts of gravel, 7-9 parts of an additive, 150-170 parts of water, 0.5-1.5 parts of polypropylene glycol fiber, and 3-8 parts of phase change self-repairing microcapsules. The prepared anti-freezing concrete prefabricated part has the advantage of being good in anti-freezing performance.