118results about How to "Avoid uniformity" patented technology

The application discloses a gallium oxide vertical device and a preparation method thereof. The gallium oxide vertical device comprises an epitaxial structure, a cathode and an anode matched with the epitaxial structure, the epitaxial structure comprises a heavily doped n-type Ga2O3 substrate, a lightly doped n-type Ga2O3 drift region, an interlayer and a p-type nitride epitaxial layer which are sequentially stacked, the lightly doped n-type Ga2O3 drift region, the interlayer and the p-type nitride epitaxial layer form a p-i-n structure, the cathode forms an ohmic contact with the heavily doped n-type Ga2O3 substrate, and the anode forms an ohmic contact with the p-type nitride epitaxial layer, wherein the material of the interlayer is an Al-containing compound, and the surface layer region of the lightly doped n-type Ga2O3 drift region close to the interlayer also has Al elements, the Al elements are diffused into the lightly doped n-type Ga2O3 drift region in the bonding process under high pressure.

This invention provides a battery activator and its preparation method, an activation film, a negative electrode, a battery, a battery pack, and an electrical device. The battery activator includes a shell and a slow-release material encapsulated within the shell. The slow-release material includes additives required for forming an SEI film. The shell includes a first polymer layer adjacent to the slow-release material and a second polymer layer away from the slow-release material. The first polymer layer includes a plurality of first micropores, and the second polymer layer includes a plurality of second micropores. The second polymer layer includes a cross-linked polymer formed by cross-linking C-C unsaturated polymers. The pore size of the first micropores is not greater than 0.2 μm, and the pore size of the second micropores is not less than 0.5 μm. The battery activator of this invention can continuously provide the additives required for forming an SEI film in the battery cell, thereby ensuring the capacity utilization and cycle stability of the battery cell.

The utility model relates to the related technical field of biscuit processing machines, and one embodiment of the utility model provides a multifunctional integrated biscuit processing machine which comprises a base and a stirring container, the stirring container is arranged on the base, a moving table is arranged on the base, a driving motor is arranged on one side of the base, and a connecting moving assembly is arranged between the base and the moving table. The telescopic air cylinder is fixed to the base, the stable stirring assembly is arranged on the base and the telescopic air cylinder, the connecting and moving assembly comprises a connecting base, the connecting base is arranged on the surface of the moving table, the stirring container is installed in the connecting base, a control motor is installed in the moving table, and the output end of the control motor is connected with the stirring container. By means of the technical scheme, the technical problems that in the prior art, vibration is prone to being generated in the stirring process, stability is poor, and cleaning is inconvenient are solved.

This utility model belongs to the technical field of drip irrigation tape production equipment. Specifically, it discloses a raw material mixing device for drip irrigation tape production. The bottom of the screening box is connected to the screening box through a first discharge port. The top of the screening box is provided with several inlets. A vibrating screen is inclinedly arranged in the upper part of the inner part and a U-shaped filter tank is fixedly connected in the lower part. An agitator is rotatably connected in the U-shaped filter tank. A drive shaft is rotatably connected in the mixing tank. A conical material distribution plate is fixedly connected in the upper part of the drive shaft, an agitator blade is fixedly connected in the middle part, and an inclined scraper is fixedly connected in the lower part through a connecting rod. A second discharge port is opened at the bottom of the mixing tank. By setting up a screening box, this utility model can select large particles and lumpy raw materials, avoid clogging of the discharge pipe, and make the mixing more uniform.

The invention aims at providing surveying equipment for hydrogeological survey, and relates to the technical field of measuring equipment, the surveying equipment comprises an electrode bar assembly, the electrode bar assembly comprises a pole, a pole cap and a drilling rod, and the electrode bar assembly is used for being connected with soil and measuring the resistivity of the soil; the driving assembly comprises a battery pack, a threaded sleeve, a shaft sleeve and a motor and is used for driving the electrode bar assembly to insert underground; the compaction assembly comprises a pressing rod, a first pressing plate and a second pressing plate, and it can be guaranteed that soil is attached to the electrode bar assembly. And the straightening assembly comprises a third mounting plate, a laser range finder, a measuring plate, a lens and a developing plate, plays an auxiliary role in insertion of the electrode bar assembly, ensures that the electrode bar assembly is linearly distributed, and solves the problems that the measurement position is deviated and the accuracy and the reliability of measurement data are influenced due to the fact that the electrode bar is easily inclined when being manually inserted in the prior art.

The utility model relates to welding equipment technical field, concretely relates to a kind of intelligent gantry submerged arc automatic welding machine, it includes: piece platform, top is equipped with multiple piece grooves along length direction, and both sides are equipped with machine tool track respectively;Welding machine tool, welding machine tool is transversely placed above piece platform, and two ends are respectively equipped with with machine tool track cooperation walking mechanism, welding machine tool top is respectively equipped with welding machine power supply corresponding each piece groove;Movable crossbeam, movable crossbeam is horizontally arranged in welding machine tool middle part, and movable crossbeam is equipped with with each piece groove corresponding cross slide;Telescopic arm, respectively with each cross slide corresponding each cross slide connection, bottom end is respectively equipped with welding torch, welding torch is connected with corresponding welding machine power supply;Controller, controller is set in one side of welding machine tool, and walking mechanism, telescopic arm, welding machine power supply and welding torch are respectively electrically connected with controller.The utility model is integrated, and automation design has significantly improved the efficiency and quality of I-shaped steel structure welding.

The utility model discloses a fixing fixture for an anti-floating anchor rod, and relates to the technical field of mechanical engineering, a second through column is arranged outside the anchor rod, a stable holding mechanism is assembled in the second through column, a power assembly is assembled in the second through column, the stable holding mechanism comprises a plurality of first connecting rods, and the first connecting rods are connected with the first connecting rods. The side end of each first connecting rod is fixedly connected with a second connecting rod, the side end of each second connecting rod is fixedly connected with a hinge block, the side end of the second through column is fixedly connected with a fourth through column, and the side end of each first column block is arranged at the side end of the fourth through column. According to the mechanism, the mechanical transmission principle is adopted, a traditional fixing clamp for the anti-floating anchor rod is improved, the stability of the traditional fixing clamp for the anti-floating anchor rod for fixing the anti-floating anchor rod is improved through an additional structure, when the hole diameter is too large, the anchor rod is inserted, the phenomenon of cavities or non-uniformity in the grouting process can be prevented, and the grouting quality and the anchoring effect are improved.

This utility model provides an electric walking side-mounted concrete pouring vehicle, including a hand-push auxiliary device, an electric pouring vehicle device, and a drive device. The hand-push auxiliary device and the drive device are installed on the electric pouring vehicle device. The hand-push auxiliary device is installed on the side of the electric pouring vehicle device, and the electric pouring vehicle device and the hand-push auxiliary device are connected by bolts and nuts. The drive device is fixed to the bottom of the electric pouring vehicle device. This utility model can save the operator's physical labor intensity and improve work efficiency by adjusting the drive device. The hand-push auxiliary device allows the operator to manually push the equipment for adjustment in case of equipment failure or special circumstances. At the same time, the connection structure of the hand-push auxiliary device is designed to be stable, improving operational safety and flexibility.

This invention provides a recrystallization apparatus for producing ferulic acid, comprising: a support structure, a reaction assembly installed inside the support structure, flow-guiding temperature control components installed on the inner walls of both ends of the reaction assembly, a driving crushing component installed on the top of the reaction assembly, a driven scraping component provided on the top of the reaction assembly, and an active control component installed on the top of the driven scraping component. This invention provides a recrystallization apparatus for producing ferulic acid. Through the flow-guiding temperature control components, the temperature of the dissolution and crystallization processes can be linked, avoiding large internal temperature fluctuations that could lead to uneven local saturation. Simultaneously, through the coordinated use of the driven scraping component and the active control component, the driven scraping component can be automatically driven under the structural positioning of the active control component. This allows for flexible scraping of the internal crystals and can also break the boundary layer on the crystal surface through stirring.

The utility model relates to the field of smoking equipment, and discloses firewood smoking equipment for sausage processing, which comprises a base box body, foot cups which are uniformly distributed are fixedly connected to four corners of the bottom of the base box body, trundles are rotatably connected to the bottom of the base box body, a smoking chamber is fixedly connected to the top of the base box body, and the smoking chamber is fixedly connected to the bottom of the base box body. A smoking frame is fixedly connected to the inner wall of the smoking chamber, a smoking chamber door is fixedly connected to the smoking chamber through a hinge, a touch screen is fixedly connected to the left side of the smoking chamber, a smoke circulating device is arranged at the rear position of the left side of the base box body, and a combustion chamber is arranged at the right side position of the base box body. According to the utility model, the firewood combustion chamber and the temperature sensor are adopted, and the operation touch screen and the mechanical button are combined, so that the smoking temperature is effectively controlled, the accurate adjustment of the temperature is ensured, the problem of non-uniform or excessive smoking can be prevented, the cleaning spray head is arranged at the top of the smoking chamber, and clean water in the water tank is used for efficiently cleaning the smoking chamber.

The utility model discloses a novel universal shaft assembly, including bottom plate, be provided with fixed subassembly on the bottom plate, the fixed subassembly includes mounting seat, fixed base, bolt, first axle body and second axle body, the mounting seat fixed mounting is at the both ends of bottom plate's top, the fixed base can be detached and installed on the mounting seat, the bolt can be detached and installed between fixed base and mounting seat, first axle body and second axle body are placed on the mounting seat respectively, be provided with disassembly subassembly on the fixed base, the disassembly subassembly includes oil injection pipe, connecting pipe and resist the pole, oil injection pipe fixed mounting is on the fixed base, connecting pipe fixed mounting is on the oil injection pipe, resist the pole sliding connection on the connecting pipe, to solve the background art mentioned in the installation fixed time of current universal shaft, although the traditional method can ensure the firmness of universal shaft, when universal shaft needs to maintain or replace, the more complicated technical problem.

The utility model belongs to the technical field of waste treatment, and discloses a demisting device for an absorption tower, the demisting device comprises a demisting assembly I and a demisting assembly II, the demisting assembly I is coaxially mounted in an air inducing pipeline, a backflow cavity I is positioned between the side wall of a reaction cavity and the inner side wall of the absorption tower, the top end of the backflow cavity I is open, and the air inducing pipeline is communicated with the backflow cavity I; a second backflow cavity is formed between the outer side wall of the air inducing pipeline and the outer cavity wall of the top end of the reaction cavity, the second backflow cavity is communicated with the air inducing pipeline, a hydrophilic semi-permeable membrane is arranged at the communication position, and the side end of the second backflow cavity is communicated with the first backflow cavity; the bottom of the exhaust cavity communicates with an air inlet pipeline, and the lower end of the air inlet pipeline communicates with the air inducing pipeline and the first backflow cavity. The second demisting assembly is installed in the air inlet pipeline, and an exhaust port communicating with the outside is formed in the top of the exhaust cavity. According to the demisting device, the flowing path of liquid is changed, the situation that the liquid and gas are repeatedly mixed to generate mist again can be reduced, secondary demisting is conducted through the second demisting assembly, and the demisting effect is improved.

The utility model relates to the technical field of food processing equipment, in particular to fruit slice vacuum low-temperature concentration equipment which comprises an evaporation cavity shell, a vacuum steam exhaust pipe is fixedly mounted at the top of the evaporation cavity shell, and a concentrated pulp liquid discharge pipe is fixedly mounted at the bottom of the evaporation cavity shell. A low-temperature concentration assembly is arranged on one side of the evaporation cavity shell; through the arrangement of the first liquid inlet pipe, the booster pump and the second liquid inlet pipe, primary pulp can be stably conveyed to the heating cavity from the primary pulp tank, the booster pump can increase the liquid inlet pressure, it is ensured that primary pulp is supplied smoothly and efficiently, and stable raw material input is provided for the subsequent concentration process; the heating cavity is formed by a plurality of independent cuboid containers in a circumferential array mode and communicated through the circulating pipe, the structure can enable fruit slice raw pulp to be evenly heated in the heating cavity, heat exchange efficiency is improved, consistency of the concentration effect is guaranteed, meanwhile, the raw pulp can circulate among the containers through the circulating pipe, and local overheating or uneven concentration is avoided.

The utility model discloses an injection molding machine for producing plastic floor belongs to floor production field, including extrusion cylinder, the fixed coupling of feeding pipe has on extrusion cylinder, is provided with rotating mechanism in extrusion cylinder, and rotating mechanism includes auger shaft, and the fixed coupling of motor has in the center position of extrusion cylinder one end, and the fixed coupling of extrusion head has in the end of extrusion cylinder away from motor. Advantageous effects lie in: set up connecting mechanism and vibration mechanism, through the setting of several material distribution plates on the conveying box, the hot plastic raw material flowing out in the extrusion head is guided to the material distribution plate respectively, and is injected into the mold through each injection tube, can make the hot plastic raw material enter the mold and will be fitted floor forming structure, avoid injection molding floor everywhere raw material distribution and uneven cooling, and through setting vibration mechanism, can improve the flowability of hot plastic raw material in the material distribution plate, make it more evenly from injection tube spouts, further improve injection uniformity.

The utility model discloses a corrugated pipe raw material mixing is with the isolation mixing device belongs to corrugated pipe production technical field, it includes base, the inner wall between base is fixedly installed with two separate mixing bin between symmetry, the inner wall between separate mixing bin is fixedly connected with two support plate respectively in the position close to its top end and bottom end. This corrugated pipe raw material mixing is with the isolation mixing device, through setting the rotating rod and the wall scraping mechanism, the rotating rod drives the wall scraping mechanism whole motion, the outer sleeve rod and the inner slide bar in the wall scraping mechanism under the spring elasticity effect, make the scraper always keep with the good adhesion of separate mixing bin inner wall, make the scraper prevent raw materials from adhering in the separate mixing bin inner wall in the process of rotating, avoid the waste and the mixing uneven phenomenon caused by raw materials from adhering, can also carry out the preliminary mixing to raw materials simultaneously, make raw materials have certain mixing degree before entering the mixing bin, for ensuring that the mixing effect of corrugated pipe raw materials is more uniform and stable.

The utility model provides a portable tool of painting in high place relates to the field of painting, this portable tool of painting in high place, this portable tool of painting in high place, including telescopic handle, electric telescopic link, and the rotation mechanism rotation is connected between electric telescopic link and telescopic link, and the fixed connection of electric telescopic link output end has the shell, the fixed connection of storage tank is established in the shell upper end, and the discharge port is established between the shell and storage tank, and the fixed connection of discharge pipe has the discharge port, and the rotation is connected in the shell and has the roller shaft, and the outer surface of roller shaft is sleeved with the rolling brush, this portable tool of painting in high place, solved the roller brush when painting with the roller brush short, when the equipment painting is not good to brush the top, need the operating personnel to stand the scaffold or lift truck of setting up and carry out the painting operation, and need to dip the paint frequently, and the painting efficiency is low, and the quality can not guarantee the problem.

The invention relates to the field of refining and application of wood fiber biomass, and discloses a lignin-based formaldehyde-free adhesive, a lignin-based plywood and a preparation method and application of the lignin-based formaldehyde-free adhesive and the lignin-based plywood. The lignin-based formaldehyde-free adhesive disclosed by the invention comprises the following components: L-cysteine lignin, and the solid content of the lignin-based formaldehyde-free adhesive is 10-45wt%. The method comprises the following steps: mixing an aqueous solution of L-cysteine hydrochloride and lactic acid with raw materials for pretreatment; performing extraction and vacuum filtration on the obtained suspension to obtain dissolved lignin and hemicellulose filtrate, and performing extraction and purification on the filtrate to obtain L-cysteine lignin; the lignin-based formaldehyde-free adhesive is prepared by uniformly dispersing the L-cysteine lignin in water. According to the invention, the used solvent is green and nontoxic in source, the hydrated lignin-based adhesive with good fluidity is prepared with low solid content, and the prepared plywood shows excellent dry and wet bonding strength, solvent resistance and weather resistance, and meets the preparation requirements of national I-class plywood.

The utility model relates to the technical field of grass seed processing equipment, in particular to a grass seed removing vehicle which is provided with a machine body and further comprises a feeding mechanism arranged on the machine body, two feeding ports are formed in the feeding mechanism, the lower portion of the first feeding port is communicated with an impurity removing mechanism, and the second feeding port is communicated with a lifting mechanism. The impurity removing mechanism comprises an impurity removing barrel, an awn removing stirring paddle is arranged in the impurity removing barrel, a first outlet of the impurity removing barrel is communicated with the lifting mechanism, and a second outlet is connected with an impurity discharging channel; the lifting mechanism is provided with a lifting channel, a connector at the lower end of the lifting channel communicates with the first outlet and the second feeding port, a conveying belt is vertically arranged in the lifting channel, and a lifting hopper is arranged on the conveying belt. The bulk grain tank is arranged below a discharge hole of the lifting channel and is used for dispersing grass seeds; the lower ends of the two groups of air screen assemblies are communicated with the through hole in the bottom surface of the bulk grain box, and the upper ends of the two groups of air screen assemblies are connected with the dust removal system. The grass seed awn removing and screening machine has the advantages of high equipment integration degree, good grass seed awn removing and screening effects and the like.

The invention discloses an orally disintegrating tablet and a preparation method thereof, and belongs to the technical field of pharmaceutical preparations. The orally disintegrating tablet comprises 0.5-30 wt% of an active component, 25-35 wt% of an adhesive, 25-65 wt% of a filler and 1-10 wt% of a suspending aid, the active component comprises an antipsychotic raw material medicine and / or an antiepileptic raw material medicine. The void ratio of the orally disintegrating tablet is controlled to be 40-90%, even if the active ingredient is a low-solubility raw material medicine, the orally disintegrating tablet also has the fluffy feeling like puffed food, good taste and pleasant experience, meanwhile, the provided orally disintegrating tablet enables the medicine to be rapidly released in the oral cavity, the disintegration time in the oral cavity is shorter than 5 s, and the orally disintegrating tablet is suitable for oral administration. Compared with the oral cavity disintegration time of about 20s of disintegrating tablets and the oral cavity disintegration time of about 15s of oral soluble films in the prior art, the tablet has remarkable advantages, improves the compliance of patients, and greatly reduces the possibility of Tibetan medicine and vomiting of the patients especially for patients with dysphagia.

The present application belongs to the technical field of aviation piston engine. The present application discloses a kind of cylinder body structure and connecting method of air-cooled two-stroke aviation piston engine, to solve the problem of heat load concentration, aluminum alloy strength decline, cylinder deformation caused by the contact thermal resistance of aluminum alloy cylinder and cylinder cover connection area is too large, in the present application, connecting screw and threaded hole are matched with fine thread to increase contact area, reduce contact thermal resistance and enhance heat conduction performance;Threaded hole counterbore is treated to reduce the amount of residual gas in the hole, reduce the obstruction of gas to heat conduction;Connecting anti-loosening strictly prohibits the use of thread glue, to avoid local temperature rise. And using TC4 titanium alloy screw material, threaded hole circumferential uniform arrangement and enough connection depth and other supporting design, systematically make the heat of connection area conduct and dissipate efficiently, avoid the strength decline caused by heat load concentration, improve the anti-deformation ability of cylinder, ensure that the roundness and cylindricity of cylinder meet the design requirements, the engine performance maintains stable under design condition.

A glue cleaning system for cooperating with a glue applying part of a coating knife, after the glue applying part of the coating knife is applied with glue, the glue cleaning system is used for cleaning glue liquid adhered to a slit type glue outlet of the glue applying part, the glue cleaning system comprises a flushing assembly, a blowing assembly and a scraping assembly, wherein the flushing assembly has a liquid outlet for spraying diluent liquid to the glue applying part after the glue applying part is applied with glue, the liquid outlet is capable of translating relative to a length direction of the glue outlet, the blowing assembly has a blowing port for blowing air to the diluent liquid on the glue applying part, the air blown by the blowing port is used for diffusing the diluent liquid to dilute the glue liquid adhered to the glue applying part and the glue outlet, the blowing port moves synchronously with the liquid outlet, the scraping assembly is capable of reciprocating and translating relative to the length direction of the glue outlet, has a scraper matched with the glue applying part, the scraper is in sliding abutment with the glue applying part, and the scraper is used for scraping off the diluted glue liquid on the glue applying part in the process of translating, the phenomenon of the glue outlet being blocked or the glue being applied unevenly in the prior art is avoided, and the glue applying precision of the glue applying part is improved.

The utility model relates to the technical field of gantry machine tools, and discloses a guide rail self-lubricating device of a numerical control gantry machining center, which comprises a cross beam and a sliding seat, a guide rail is arranged on the cross beam, the sliding seat is driven by the guide rail to transversely move, the guide rail comprises a threaded shaft, a plurality of rail bars and an oil pumping mechanism, and the sliding seat comprises a main body seat. A moving block and a plurality of sliding blocks are fixedly mounted on the back of the main body seat, the two ends of the threaded shaft are rotationally sleeved on the inner wall of the cross beam through two end barrel frames, the sliding blocks are slidably sleeved on the rail bars, the moving block is in threaded sleeve on the side wall of the threaded shaft, and an oil bin is formed in the cross beam; the oil pumping mechanism is arranged, the oil bin is arranged in the cross beam, displacement of the sliding seat can be used as power, lubrication stored in the oil bin is automatically pumped through the oil pumping mechanism and injected into an inner cavity of the moving block, the automatic lubrication effect between the moving block and the threaded shaft is achieved, and a manual oil coating mode is replaced; and the condition of non-uniform or untimely lubrication is avoided.

This utility model relates to the field of pharmaceutical reaction vessel technology, and discloses a pharmaceutical reaction vessel for uniform mixing, including a base plate and two triangular frames fixedly installed on the top of the base plate. A bearing seat is fixedly installed on the top of each of the two triangular frames. A rotating shaft is rotatably connected inside one of the bearing seats. A cross plate is fixedly connected to one end of the rotating shaft, and a fixing sleeve is detachably connected to one side of the cross plate by four bolts. This utility model, through the coordinated use of a drive assembly, a rotating assembly, a stirring assembly, and a rotating shaft, enables convective shearing through the rotation of the reaction vessel body and the counter-movement of the internal stirring blades. The material generates turbulence under the simultaneous radial, axial, and tangential forces. Compared to traditional stirring that relies solely on blade propulsion, which easily leads to sedimentation at the vessel edge, the rotation of the vessel body drives the overall movement of the material, and the counter-movement of the stirring blades breaks up boundary layer stagnation, effectively improving mixing efficiency.

The utility model relates to the technical field of teppanyaki, in particular to teppanyaki equipment convenient for oil smoke treatment, which comprises a teppanyaki box body, an iron plate table mounted at the top of the teppanyaki box body, a smoke exhaust mechanism mounted at the front end of the iron plate table, and oil discharge grooves formed in two sides of the smoke exhaust mechanism, a collecting and releasing groove is formed in the side wall of the iron plate table, a movable plate is mounted in the collecting and releasing groove, and a scraper is mounted at the bottom of the movable plate; the teppanyaki equipment convenient for oil smoke treatment has the beneficial effects that the movable plate and the scraping plate are matched for use, so that the surface of the iron plate table can be conveniently and uniformly cleaned, and the conditions of uncleanness and non-uniformity of manual wiping are avoided, so that the sanitation and safety of food are difficult to guarantee.

The utility model relates to the technical field of calcination of zirconia ceramic structural parts, in particular to a multi-section temperature control calcination device for zirconia. A heating mechanism is arranged in a main body, a feeding mechanism is installed at a feeding port of the heating mechanism, a cooling mechanism is installed at a discharging port of the heating mechanism, the heating mechanism comprises a preheating cavity and a calcination cavity, and the calcination cavity is rotatably installed in the main body; heating resistors are uniformly mounted outside the calcining cavity, temperature sensors are uniformly mounted in the calcining cavity, the main body is controlled by a PLC (Programmable Logic Controller), and the PLC is mounted in an operation table; the feeding mechanism comprises a stock bin and a feeding mechanism, a first electromagnetic valve is installed at a discharging port in the bottom of the stock bin, the feeding mechanism comprises a conveying belt at the bottom of the stock bin and a feeding plate at a feeding port of the heating mechanism, isolation plates are distributed on the surface of the conveying belt at intervals, and the feeding plate is driven by an air cylinder on the body. According to the device, the problems of sintering agglomeration, cracks and the like of zirconium oxide in a traditional method are solved, the performance of the product is improved, and the application requirement for higher performance is met.

The utility model discloses a side wall firer trolley for a ship, which comprises a firer work module, a main body plate, a tool integral lifting and rotating module and a trolley traveling mechanism module, the firer work module is connected with the main body plate in a sliding manner, and the main body plate is arranged on the tool integral lifting and rotating module. The tool overall lifting and rotating module is arranged on the trolley walking mechanism module. According to the utility model, the firework coverage range is more comprehensive, the firework efficiency is improved, the quality and the stability of the correction effect are improved, operation can be carried out in a narrow space in a cabin, large-range continuous operation is realized, the requirements on skills and experiences of operators are reduced, the labor cost is reduced, the time for directly contacting flames by workers is shortened, and the working efficiency is improved. And the labor intensity and the safety risk are effectively reduced.

The invention discloses a preparation method of a 1, 4-bis (4-phenoxy benzoyl) benzene-AlCl3 complex, and belongs to the technical field of polymer monomer preparation, aromatic diacyl chloride and aromatic ether are used as raw materials, a crude product of the 1, 4-bis (4-phenoxy benzoyl) benzene-AlCl3 complex is continuously synthesized under the catalysis condition of a Lewis acid catalyst, and the crude product of the 1, 4-bis (4-phenoxy benzoyl) benzene-AlCl3 complex is subjected to post-treatment to obtain the 1, 4-bis (4-phenoxy benzoyl) benzene-AlCl3 complex. The high-purity 1, 4-bis (4-phenoxy benzoyl) benzene-AlCl3 complex can be used as a polyether ketone ketone active monomer, and the effect of the active monomer can be exerted without adding aluminum in the polymerization reaction process.

The utility model discloses a push-and-pull sunshade wall-leaning inclined shed which comprises a supporting column, a retractable assembly is arranged on the supporting column, the retractable assembly comprises a top frame, a rotating handle, a winding drum, a rotating wheel and an inserting column, the top frame is arranged at the top of the supporting column, the rotating handle is rotationally connected to one end of the top frame, and the inserting column is arranged on the top frame. The winding drum is rotationally connected to the top of the top frame, the rotating wheels are connected to one end of the winding drum and one end of the rotating handle, the inserting columns are evenly arranged on the rotating wheels, the inserting columns on the two rotating wheels intersect with each other, a fixing assembly is arranged on the supporting columns, and the fixing assembly comprises a bottom plate, connecting feet and a fixing base. The bottom plate is arranged at the bottoms of the supporting columns, the connecting feet are evenly arranged between the supporting columns and the bottom plate, and the fixing bases are evenly installed on the top frame, so that the technical problem that in the using process of an existing inclined shed mentioned in the background technology, although the existing inclined shed has the push-pull function, the folding and unfolding processes are inconvenient is solved.

The utility model discloses a dredging engineering offshore barge loading platform, including the hull, the first pipeline is fixedly arranged on the hull, and a plurality of second pipelines are fixedly communicated on the both sides of first pipeline, and the plurality of second pipelines are fixedly arranged with Z type elbow pipe away from first pipeline one end, and the Z type elbow pipe is rotatably arranged with the branch pipe away from second pipeline one end, and the branch pipe is fixedly arranged with the discharge pipe away from Z type elbow pipe one end, and the box is fixedly arranged on the hull and is located at a plurality of branch pipes, and the both sides of box are respectively provided with the round mouth for Z type elbow pipe and branch pipe's penetration, and the motor is fixedly arranged in a plurality of box inboard bottom, and the output of a plurality of motor all is provided with the gear assembly of driving branch pipe rotation. Motor drives branch pipe rotation through gear assembly, and branch pipe drives discharge pipe rotation, makes discharge pipe rotate certain angle, and then adjusts the angle position of sand loading, avoids sand barge sand uneven and does not fill the condition of loading, improves the working efficiency of barge loading platform.