24results about How to "Improve stacking effect" patented technology

The invention discloses a method for improving the fire extinguishing efficiency of an underground filling grouting material, and belongs to the technical field of mine fire prevention and control. The method comprises the following steps: mixing water and pulping raw materials according to a required water-cement ratio to prepare slurry; a chemical foaming agent component A is added into the slurry and fully mixed, then a chemical foaming agent component B is added, the chemical foaming agent component A contains carbonate, the chemical foaming agent component B contains acid, inert gas carbon dioxide is released after the component A and the component B are mixed, and slurry colloid foam is generated; injecting into a coal mine underground goaf through a grouting pipeline to extinguish fire and prevent fire; wherein the addition amount of the chemical foaming agent component A and the chemical foaming agent component B accounts for 5-18% of the weight of the slurry. A chemical foaming mode is adopted, a gas source is provided by means of carbon dioxide generated by chemical reaction of materials, the problem that traditional three-phase foam is insufficient in physical compressed air foaming capacity in long-distance high-position drilling is effectively solved, and the problem of continuous goaf oxygen supply under the condition of physical compressed air foaming is also effectively avoided.

The invention provides a positive electrode active material, positive electrode slurry, a positive plate and a battery, and belongs to the technical field of batteries, the positive electrode active material comprises lithium manganese iron phosphate and lithium-rich lithium ferrite; wherein the mass ratio of the lithium-rich lithium ferrite added in the positive electrode active material is 0.5%-5%; the particle size D50 of the lithium manganese iron phosphate is d1, the particle size D50 of the lithium-rich lithium ferrite is d2, and d1 / d2 is larger than or equal to 0.05 and smaller than or equal to 0.32. In the embodiment of the invention, the positive electrode active material comprises lithium manganese iron phosphate and lithium-rich lithium ferrite. When the positive electrode active material is applied to a battery, lithium-rich lithium ferrite and lithium iron manganese phosphate are compounded, a proper adding proportion of the lithium-rich lithium ferrite is set, and the particle sizes of the lithium iron manganese phosphate and the lithium-rich lithium ferrite are in a proper proportion, so that the gram volume and the cycle performance can be improved when the positive electrode active material is applied to the battery; and the rate capability is kept in a good range.

The invention discloses a cloth stacking device and a stacking method thereof. The cloth stacking device comprises a workbench, a lifting table is arranged above the workbench, a first electric push rod is arranged below the lifting table, a stacking plate is arranged above the lifting table, a feeding frame is arranged above the workbench, and a feeding roller is arranged on the inner side of the feeding frame; a first mounting frame is arranged on one side of the feeding frame, a second mounting frame is arranged above the first mounting frame, a first connecting plate is arranged on the inner side of the first mounting frame, a first clamping plate is arranged on one side of the lower end of the first connecting plate, and a second clamping plate is arranged above the first clamping plate; according to the stacking device, one end of the cloth is clamped and pulled out through the two clamping plates, the cloth is horizontally pulled out and flatly laid on the stacking plate repeatedly, the cloth is horizontally pulled out to avoid deviation, leveling treatment is conducted after each piece of cloth is stacked, wrinkles on the surface of the stacked cloth are prevented, and the cloth stacking effect is improved.

The utility model relates to an efficient stacking machine for carton printing and discharging, and belongs to the field of carton processing. Comprising a base, two fixing frames fixedly connected to one side of the top of the base, a rack fixedly connected to the tops of the two fixing frames, a belt conveyor arranged in the rack and a controller fixedly installed on the front face of the fixing frame on the left side, and a collecting box is fixedly connected to the other side of the top of the base; a stacking mechanism extending into the collecting box is arranged outside the collecting box, a limiting mechanism is arranged at the top of the rack, and the stacking mechanism comprises a hydraulic cylinder fixedly installed at the top of the collecting box and extending into the collecting box and a guide plate fixedly connected to the exterior of the collecting box. According to the efficient stacking machine for carton printing and discharging, the hydraulic cylinder is started to stretch out and draw back through the controller, the hydraulic cylinder stretches out and draws back to drive the pressing plate to move up and down so as to sort and stack carton board bodies, the carton board bodies are prevented from being damaged and flattened, and the advantages of being good in stacking effect and high in practicability are achieved.

The utility model relates to a stackable switch, which belongs to the technical field of switch installation, in particular to a stackable switch convenient to install, which comprises a box body, a fixed rod is arranged in the box body, and two ends of the fixed rod are respectively provided with a movable groove; according to the utility model, through the arrangement of the fixing mechanism, the clamps are adjusted according to the number of stacked switches in the process of installing the stacked switches, the threaded shaft is rotated firstly to drive the moving rods to move, so that the bottom ends of the two moving rods can be in contact with the switch at the lowest layer, and the bidirectional threaded rod is rotated to drive the two moving rods to move; the stacked switches are clamped and fixed through the two material clamping rods and the two moving rods, so that the clamp can make contact with each switch, the stacked switches can be fixed in order, the stacking effect of the stacked switches is improved, and the problem that clamping jaws of a fixing tool cannot make contact with each stacked switch, and the clamping jaws cannot make contact with the stacked switches is solved. Therefore, the problem that the stacked switches cannot be fixed neatly is solved.

The invention relates to the field of pipe machining, in particular to a convenient steel pipe sectioning device which comprises a material preparation frame used for stacking long steel pipes, a feeding roller way used for conveying the long steel pipes, a sectioning assembly used for pushing and cutting the long steel pipes into multiple sections of short steel pipes, a discharging roller way used for sending out the short steel pipes and a material stacking frame used for stacking the short steel pipes. The section cutting assembly comprises a bearing machine body, a fixed seat fixedly arranged on the bearing machine body and a sliding seat arranged on the bearing machine body in a sliding mode, the long steel pipe penetrates through the position between the fixed seat and the sliding seat, the bearing machine body is provided with a driving part used for pushing the sliding seat to make the long steel pipe abut against the fixed seat, and a pushing and cutting block is arranged on the fixed seat in a sliding and penetrating mode; a hydraulic cylinder electrically connected to the control system is arranged on the bearing machine body, and a piston rod of the hydraulic cylinder points to the long steel pipe and is connected to the pushing block. The method has the effect that regular blade sawing is not needed.

The utility model relates to the technical field of strength detection, in particular to an energy storage potting box strength detection device, which comprises a mounting base, two groups of adjusting assemblies arranged on the mounting base, connecting pieces arranged on the adjusting assemblies, extension pieces coaxially arranged on the connecting pieces, and a plurality of groups of leading-out ends arranged on the extension pieces at equal intervals, mounting pieces are arranged in the leading-out ends, springs are arranged on the mounting pieces, the other ends of the springs are arranged on the extension pieces, and detection pieces are rotationally arranged on the two groups of mounting pieces which are symmetrically arranged on the two groups of adjusting assemblies; the moving assembly is used for moving the position of the energy storage filling and sealing box; the transmission assembly is used for providing rotation power for the multiple groups of detection pieces; the detection coverage is complete, and the adaptability is high.

This utility model belongs to the field of towel production technology and discloses an automatic towel stacking device, including a worktable. The top of the worktable has an inverted U-shaped groove. A pair of first sliders are symmetrically installed on both sides of the inverted U-shaped groove. A base plate is installed on the top of the opposite side of the pair of first sliders. A pair of first guide rods are symmetrically installed on the top of the pair of first sliders. A pressing plate is slidably installed between the pair of first guide rods. A first mounting plate is installed on the top of the pair of first guide rods. An electric telescopic rod is installed on the top of the first mounting plate. This device, through the fixing of the pressing plate and the base plate and the movement of the first sliders, pulls the towels onto the surface of the placement table for stacking. During the movement, protrusions help to flatten the towels. Simultaneously, the towels can be quickly removed after stacking, thereby reducing the labor cost of towel stacking and improving the work efficiency and stacking effect.

The utility model discloses a portable municipal sewage wellhead warning indicator which comprises a main supporting rod and an auxiliary supporting rod, the main supporting rod and the auxiliary supporting rod are rotationally connected through a stand column base, a stand column is arranged at one end of the stand column base through an adjusting fastening assembly, and a warning lamp is arranged on one side of the top end of the stand column. An adjusting and stabilizing assembly is further arranged between the main supporting rod and the auxiliary supporting rod, and bearing pieces matched with the edge of a well mouth are arranged at the two ends of the main supporting rod and the two ends of the auxiliary supporting rod correspondingly. According to the warning indicator, the portability can be improved to the maximum extent through the folding design, the stacking performance is excellent after the whole structure is stored, the integrality is high, the weight is light, the warning capacity is high, and therefore operation and maintenance teams can rapidly deploy a large number of devices.

The invention provides an application of a desert algae extract in preparation of a product for treating leucoderma, and belongs to the technical field of biological medicines. Research finds that the desert algae water extract, the desert algae alcohol extract, the desert algae water-extracted ethyl acetate extract and the desert algae alcohol-extracted ethyl acetate extract all have the effects of effectively improving tyrosinase activity and effectively promoting melanin accumulation in vitro; therefore, the desert algae extracts can become candidate medicines for treating leucoderma including non-segmental leucoderma, segmental leucoderma and uncertain leucoderma, and can be prepared into functional products such as health care products, cosmetics and the like. The desert algae used in the method are natural and edible algae and are high in safety. The invention opens up a new thought for the treatment of leucoderma.

The utility model relates to the technical field of bread processing equipment, and discloses a stackable baking tray, which comprises a baking tray main body and an edge tray, an oil discharge groove is arranged at the edge position in the baking tray main body, a concave circular groove is arranged on the top surface of the edge tray, a positioning column is fixed at the bottom of the edge tray, and the positioning column is fixed at the bottom of the edge tray. The circular groove and the positioning column are located on the same vertical face, and the outer side wall of the baking tray body and the outer side wall of the edge tray are coated with Teflon coatings. The round grooves are formed in the top of the edge disc, the round grooves are circularly distributed into four groups, the positioning columns are fixed to the bottom face of the edge disc, the round grooves and the positioning columns are also circularly distributed into four groups, at the moment, the round grooves and the positioning columns are located on the same vertical face, and one positioning column falls into one round groove; and the four positioning columns fall into the circular grooves, so that the four positioning columns can be stacked upwards in sequence after being positioned, the purpose of facilitating stacking is achieved, the stability after stacking is improved, and therefore the stacking effect is well improved in the working process.

The invention pertains to a sheet-like composite (100), comprising: a. a carrier layer (103), b. a barrier layer (105), c. an inner polymer layer F (108), and d. an inner polymer layer H (109); wherein the barrier layer (105) comprises - a barrier material layer (106), and - a barrier substrate layer (107) comprising a polyolefin; characterised in that the inner polymer layer F (108) comprises at least 40 wt.-% of a mPE, based in each case on the total weight of the inner polymer layer F (108). The invention further pertains to methods (300, 600, 700) for producing a sheet-like composite (100), a container precursor (400), and a closed container (500), to a container precursor (400), a closed container (500), and uses of the sheet-like composite (100), of a mPE, of a LDPE and of a combination of a mPE and a LDPE.

The utility model relates to the technical field of wine product packaging, and discloses a gift box binding auxiliary device which comprises a base, the left side of the base is fixedly connected with an adjusting assembly, the adjusting assembly comprises a supporting plate, and the bottom of an inner cavity of the supporting plate is fixedly connected with a servo motor. And an output shaft of the servo motor is fixedly connected with a first threaded rod, the surface of the first threaded rod is in threaded connection with a first threaded sleeve, and the right side of the first threaded sleeve is fixedly connected with a limiting assembly through a connecting piece. According to the gift box stacking device, the spacing can be adjusted according to the size of the gift box body through the limiting assembly, so that gift boxes of different sizes can be adjusted and limited, the stacking effect of the gift box body is improved, and the height of the limiting plate can be adjusted through the adjusting assembly; a user can conveniently stack gift box bodies layer by layer, the stacked gift boxes are prevented from toppling over, and potential safety hazards are eliminated.

This invention discloses an amino compound with a benzophenanthrene furan group and an organic light-emitting device, selected from compounds of formula 1: Al-A 10 One of the groups is derived from Formula 2, where * represents a bond connected to the basic skeleton in Formula 1. When A2 is derived from a group in Formula 2, L1 is a para-phenylene group, R1 and R2 are derived from single bonds, substituted or unsubstituted C5-C24 aromatic hydrocarbon groups, substituted or unsubstituted C5-C24 heteroaromatic hydrocarbon groups, and Ar1 and Ar2 are derived from C5-C30 aromatic hydrocarbon groups, substituted or unsubstituted C5-C30 heteroaromatic hydrocarbon groups. In this invention, the triarylamine is para-linked to a transition benzene ring with benzo[a]phenanthrenefuran. This benzene ring linkage enhances the overall stability of the target molecule, strengthens the conjugation of the molecule, and increases the stacking property of the molecule in organic light-emitting materials. This invention also sets phenanthrene, naphthyl, or dibenzothiophene groups on the other two substituents of the triarylamine, affecting the electron affinity and electron transport properties of the triarylamine and further extending its lifespan.

The invention discloses an automatic stacking device and production method for stator and rotor cores, comprising a punch, wherein an anti-sticking mechanism is arranged on the outside of the punch, wherein the anti-sticking mechanism comprises a roll film, wherein the outer surface of the roll film is movably connected to the outer surface of the punch, wherein the body of the roll film is provided with a through connecting groove, wherein the interior of the connecting groove is connected to a through hole on the punch, wherein both ends of the roll film are wound with a winder, wherein two winders are respectively fixedly mounted on both sides above the punch, wherein both sides of the outer surface of the roll film are sleeved with a flat tube, wherein the outer surface of the flat tube is fixedly connected to the outer surface of the punch through a fixed plate, and relates to the technical field of motor stator and rotor stamping equipment, and solves the problem that, during the use of the automatic stacking device for stator and rotor cores, part of the glue is splashed and adheres to the equipment due to the feeding of glue by spraying, and the viscosity of the glue and the change of the appearance of the equipment after solidification affect the stacking effect.

The utility model provides a battery cell stacking mechanism and a battery cell stacking device. The battery cell stacking mechanism comprises a mounting seat connected with an external mechanical arm, and a clamping mechanism arranged on the mounting seat, the clamping mechanism is used for clamping a battery cell, and a guide structure and a locking structure are arranged between the clamping mechanism and the mounting seat; the clamping mechanism can move relative to the mounting base in the first preset direction under guiding of the guiding structure, and the locking structure is used for locking the moved clamping mechanism to the mounting base. According to the battery cell stacking mechanism, the battery cells can be prevented from being damaged due to rigid contact with the comb teeth, the problem that battery cell stacking gaps are inconsistent is solved, the battery cell stacking quality and efficiency can be improved, meanwhile, the accuracy and stability of battery cell grabbing can be ensured, and therefore the module stacking quality can be improved.

The utility model discloses a silk quilt fabric cutting device which comprises a workbench, a cutting device body is installed on the workbench, and the cutting device body comprises an installation plate, a supporting strip, a supporting block, a top block, a threaded rod, a plum blossom rotary knob, a support, a cutting assembly and a lifting mechanism. The problems that cloth of a silk quilt needs to be stacked together to wait for next-step processing after being cut, but due to the fact that the cloth is soft, the cloth is difficult to stack after being cut, the cloth is prone to wrinkling in the stacking process, and the next-step processing is affected are solved.

The invention provides a polycyclic aromatic compound as well as an organic light-emitting device and an organic light-emitting device adopting the polycyclic aromatic compound. The polycyclic aromatic compound has a structure as shown in a general formula I. According to the polycyclic aromatic compound, fluorene or carbazole is introduced on the basis of a parent nucleus; the stacking density and steric hindrance of the compound are increased due to excessive phenyl groups in the compound, the evaporation temperature of the compound is influenced, and the luminous efficiency and the service life are reduced. Fluorene or carbazole has a relatively large conjugation characteristic, so that on one hand, the stacking effect between molecules can be improved, and on the other hand, the horizontal arrangement degree of the molecules can be increased, so that the molecules are effectively and horizontally arranged, the luminous efficiency is effectively increased, and the service life of a device is also greatly prolonged. The service life and the efficiency of a device prepared from the doping material are obviously improved.

The invention relates to the field of resin handicraft preparation, and particularly discloses a resin handicraft and a preparation process thereof. The resin artware is prepared from the following raw materials in parts by weight: 100 parts of unsaturated polyester resin, 0-1300 parts of filler, 1-3 parts of peanut oil, 0.5-3 parts of a curing agent, 0.3-3 parts of a defoaming agent, 0.5-1.5 parts of a flame retardant, 0.5-1 part of an accelerant and 0.1-1.5 parts of an anti-aging agent. The preparation method comprises the following steps: uniformly mixing the unsaturated polyester resin, the filler, the defoaming agent, the flame retardant and the anti-aging agent, adding the curing agent, the accelerant and the peanut oil, and uniformly mixing to obtain slurry; and injecting the slurry into a mold, and when the volume of the slurry is 50-90% of the volume of the mold, vacuumizing, placing at room temperature, demolding and shaping to obtain a crude product, and polishing. The resin handicraft disclosed by the invention is small in surface air hole amount, high in density, excellent in apparent quality, high in impact resistance and not easy to accumulate dust.

The invention discloses a Fe (II) spin crossover material based on perchlorate and a preparation method and application thereof. The high-yield [Fe (bamp) 2]. (ClO4) 2 is prepared by adopting a room-temperature volatilization method, and compared with methods such as high-temperature and high-pressure solvothermal synthesis and poor solvent diffusion, the method has the advantages of simple reaction conditions, easiness in implementation and the like. The organic ligand 2, 6-bis (aminomethyl) pyridine is rich in phenyl groups and amino groups, and pi-pi accumulation and hydrogen-bond interaction are easy to construct so as to finely regulate and control the spin transition property; and meanwhile, ClO4 <-> regulation enhances the pi-pi intermolecular accumulation effect, and the material has a spin transition behavior under the synergistic effect of ClO4 <-> and Pi <->. The Fe (II) spin-crossover magnetic material has the characteristics of cheap raw materials and stable structure and performance, and the synthesized spin-crossover material can be applied to the fields of molecular switches, molecular sensors and ultrahigh-density information storage.

According to the technical scheme, the carton convenient to stack in multiple layers comprises a carton body and a carton cover plate, the carton body is covered with the carton cover plate, a first lantern ring is arranged on the carton body or the carton cover plate, and an extending part is fixed to the first lantern ring; when a plurality of cartons are longitudinally stacked, the first lantern ring on one carton is connected with the other carton in a clamped mode, and the extending part on the first lantern ring blocks and limits the cartons. When a plurality of cartons are transversely arranged, the first lantern rings on the cartons are clamped and fixed through the clamping pieces. The carton fixing device has the advantages that on one hand, when multiple cartons are longitudinally stacked, the connecting positions between the cartons are more stable, the stacking forming effect is better, on the other hand, when the cartons are transversely arranged, the cartons can be rapidly fixed, and therefore the transverse arrangement positions of the multiple cartons are more stable.

The application relates to a coal mine plugging gelatinizing agent and a preparation method thereof, and relates to the technical field of coal mine plugging materials. The coal mine plugging gelatinizing agent comprises the following components in parts by weight: modified bentonite 60-75 parts, calcium chloride 10-25 parts, a filler 1-10 parts and cellulose 0.5-5 parts. The modified bentonite is obtained by mixing and magnetizing modification of bentonite and sodium silicate; and the filler is composed of spherical aluminum powder and hydrotalcite powder. The modified bentonite prepared by mixing and magnetizing modification of bentonite and sodium silicate is used as the main component, so that the compressive strength of the gelatinizing system is improved, and the overall adhesion is strengthened; in combination with the filler composed of spherical aluminum powder and hydrotalcite powder, calcium chloride and cellulose, the viscoelasticity, compactness and piling property of the mud can be effectively improved, so that the problems of poor compressive strength and poor air plugging effect of the existing inorganic plugging gelatinizing agent are effectively solved.