291results about How to "Increase connection force" patented technology

The invention discloses an artificial quartz plate raw material, an artificial quartz plate and a preparation method of the artificial quartz plate. The plate raw material is composed of a solid material and an additive, wherein the constituent content of the solid material by weight percentage is 58-62% of quartz sand, 28-32% of quartz powder and 8-13% of unsaturated polyester resin, the particle size of the quartz sand is 4-140 meshes, the particle size of the quartz powder is 25-1,250 meshes, the additive is a curing agent and a coupling agent, the weight of the curing agent is 0.8-2.0% of the weight of the unsaturated polyester resin, and the weight of the coupling agent is 0.5-1.5% of the weight of the unsaturated polyester resin. The preparation method of the artificial quartz plate sequentially comprises 1) weighting the raw material; 2) evenly overlaying the raw material of a template; 3) oscillating the template to press and form; 4) heating and curing the template through a microwave curing furnace; and 5) tapping out to demould and stacking to cool. The artificial quartz plate is simple in constituent and good in comprehensive mechanical property. The preparation method of the artificial quartz plate is low in energy consumption, high in efficiency and good in controllability of operation processes.

The invention relates to a roadbed filler for a road and a preparation method of the roadbed filler. The roadbed filler for the road is characterized by being prepared from lime, pulverized fuel ash, phosphogypsum and stabilizer. The weight percentage of each material in the lime, the pulverized fuel ash and the phosphogypsum is 15% of lime, 30-50% of pulverized fuel ash and 35-60% of phosphogypsum; the sum of the weight percentages of the materials is 100%; the stabilizer is water glass or NaAlO2 (sodium metaaluminate); the adding amount of the water glass is 2-6% of total mass of the lime, the pulverized fuel ash and the phosphogypsum, and the adding amount of the NaAlO2 is 0.5-2% of total mass of the lime, the pulverized fuel ash and the phosphogypsum. Due to the roadbed filler for the road prepared by the method, not only can the early strength be improved, but also the problem of water stability can be solved.

A dental attachment has been invented whose connection force and fitting between an implant and a keeper are improved. A keeper 3 has a main body 10 with a attracted face 31, a screw part 33 that is located at the back face, a conic taper shaft 35, and a projecting ring part 37. The projecting ring part 37 has an inclining inner face 371 and an acute angle pointed end 375. An implant 10 has a screw hole part 13, a conic taper hole part 15 which has about the same inclining angle of the taper axle part 35, and inclining end face 17. When the keeper 3 and the implant 10 are connected, the taper shaft 35 and the taper hole part 15 are fitted closely and at the same time, the inner face 371 of the acute angle pointed end 375 and the inclining end part 17 touch and at least the acute angle pointed end 375 of the projecting ring part 37 is elastically transformed toward the diameter.

The invention discloses a release film used for casting an MLCC (Multiplayer Ceramic Chip Capacitor). The release film comprises a film base layer and a release layer formed on the film base layer by coating, wherein the release layer is coated with a release agent; the release agent comprises the following components in percentage by mass: 5%-30% of vinyl end group organic silicon resin, 0.1%-1% of butynol, 0.7%-3% of vinyl alcohol polymer, 0.5%-3% of acetoxy siloxane, 0.5%-8% of platinum catalyst, 2%-10% of methylbenzene, 30%-80% of ethyl acetate, and 5%-15% of heptane. The release surface of the release film has very good wettability; wetting and film forming of ceramic slurry can be well realized on the release surface of the release film during casting of the MLCC without generating hard spots, and moderate release force is achieved; in addition, subsequent adhesion and sealing performance of the release film are improved, and the release layer is unlikely to fall off; the antistatic performance of the film is improved and the requirement of MLCC production can be met.

The invention provides a preparation method of a multifunctional emulsion type drag reducer for shale gas fracturing. The preparation method comprises steps as follows: (1) firstly, an aqueous phase is prepared from water, anionic monomers, nonionic monomers and cationic monomers, the anionic monomers are added to the water, the mixture is neutralized to have the pH of 7 by the aid of a functional base, and then the nonionic monomers, the cationic monomers and an aid are added; (2) an oil phase is prepared from a solvent and an emulsifier which accounts for 5%-20% of the solvent in mass; (3) the aqueous phase and the oil phase are mixed, the water accounts for 10%-60% of the mixture in mass in the aqueous phase and oil phase mixture, high-speed shearing emulsification is performed, and then an initiator is slowly added at the reaction temperature of 20-80 DEG C under protection of nitrogen so as to initiate an emulsion polymerization reaction; (4) after the reaction is ended, a product is cooled to the room temperature, a low-surface-tension reverse phase agent is added, and the multifunctional drag reducer is obtained. The preparation method has the benefits as follows: the anti-swelling ability is outstanding, the discharge aiding effect is good, the drag reducer is multifunctional, and construction is convenient.

The invention discloses an ocean floating body powered adjustable negative-pressure vacuum sucking disc type connector which comprises a cylinder and vacuum sucking discs, wherein the cylinder comprises a cylinder shell and an air pump; a cavity is formed inside the cylinder shell and connected with the air pump; a first opening and a second opening are formed in two ends of the cavity and respectively communicated with a connecting tube and branch tubes; the tail ends of the branch tubes are respectively connected with a plurality of vacuum sucking discs acting on a module; the air pressure inside the cavity is adjusted through the air pump. Therefore, the absorbing force of a vacuum sucking disc absorbing module can be adjusted. The ocean floating body powered adjustable negative-pressure vacuum sucking disc type connector disclosed by the invention is connected with two modules through the sucking discs respectively, so that the relatively large connecting force is effectively scattered; the connecting force of the modules can be freely adjusted; once the modules have faults, the two modules are not immediately separated but certain time delay is available, so that sudden dangers can be effectively avoided, time for rush repairing and remediation can be provided, and convenience in assembling and disassembling can be achieved.

The invention relates to a self-tightening half grouting sleeve connecting piece mainly applied to connecting of vertical reinforcing steel bars, including connecting of shear walls, frame columns and hanging board lamps. The self-tightening half grouting sleeve connecting piece is composed of a grouting opening (1), a thick liquid discharging opening (2), poking pieces (3), threads (4), a sleeve (5) and reinforcing steel bars (6). The diameter of the sleeve (5) is larger than the diameter of each reinforcing steel bar (6). The threads (4) are arranged on the inner wall of the sleeve (5). The grouting opening (1) is formed in the lower portion of the sleeve (5), the thick liquid discharging opening (2) is formed in the upper portion of the sleeve (5), and the poking pieces (3) are arranged in the position, between the grouting opening (1) and the thick liquid discharging opening (2), of the inner wall of the sleeve (5). The self-tightening half grouting sleeve connecting piece has the effects and advantages that the self gravity of the structure is utilized to conduct structure connecting, so that the structure is firmer; the diameter is increased slightly, so that the error-tolerant rate is increased; and meanwhile, connecting force is increased due to existing of the poking pieces, so that the length of the connecting piece can be reduced properly.

There is provided a flat type vibration motor 100 that includes a bracket 150 with a shaft 140 of which one end is inserted into and fixed to the center thereof, a printed circuit board 110 having a terminal portion 130 receiving external electricity and disposed on the side of the bracket 150, a stator disposed on the top of the printed circuit board 110, a rotor 170 rotatably installed in the shaft 140 and generating vibration while rotating by interaction with the stator 160, and a stopper 180 installed at the other end of the shaft 140. The bracket 150 and the shaft 140 are electrically connected with the terminal portion 130. Further, it is possible to use the bracket or a shaft as an external power connection terminal by electrically connecting a negative terminal to the bracket and the shaft through the contact portion.

The invention relates to the technical field of road engineering and especially discloses a modified ardealite roadbed material. The modified ardealite roadbed material is characterized by being prepared from the raw materials of ardealite, aggregate / clay, coal ash, quick lime / acetylene sludge; the raw materials are mixed according to a certain weight ratio; a curing agent is added into the raw materials to prepare the modified ardealite roadbed material. A construction method of the modified ardealite roadbed material disclosed by the invention is simple; the modified ardealite roadbed material can meet roadbed strength and rebound modulus requirements, can effectively reduce occupancy of ardealite on farmland, reduces damage of the ardealite to the environment, reduces roadbed differential settlement, prolongs service life of road surfaces and is suitable for being widely applied to areas lacking filled earth and areas with higher ardealite yield.

A displaying substrate and a liquid crystal display device having the same are disclosed. A pad portion formed on the displaying substrate has a plurality of via holes for exposing a pad metal layer. A width of the via hole is smaller than a diameter of a conductive particle. Where the width of the via hole is larger than the diameter of the conductive particle, a depth of the via hole is smaller than the diameter of the conductive particle. Thus, a driving failure which may occur in the pad portion is prevented while maintaining a deformation ratio of the conductive particle at about 20~60%, thereby enhancing a connecting force between the pad portion and a circuit substrate.

The invention discloses a concrete stand column repairing reinforcing method. The method comprises the following steps that a component at the top of a stand column is supported; concrete at the defected portion of the stand column is chiseled out to the surface of a main rib; a reinforcing steel bar is implanted into the portion where the concrete is chiseled out; according to the longitudinal size of the chiseled portion, a steel hoop cylinder is manufactured and installed; the portion between the steel hoop cylinder and the concrete chiseled surface is filled with IV-type cement-based slurry; when the filled slurry reaches the design strength, prestress is applied to the filled portion. By adopting the method, structure repairing reinforcing can be performed on the concrete stand column, so that the structure performance of the stand column is greatly enhanced, meanwhile, the existing whole structural engineering is not affected, repeated construction caused by completely disassembling the stand column is avoided, the engineering efficiency can be improved, and the engineering cost is saved.

The invention provides a high-performance core-shell structure positive electrode material and a preparation method thereof. The preparation method comprises the following specific steps: (1) preparing a mixed solution A and a mixed solution B of nickel, cobalt and manganese salts with different molar components, and independently preparing a salt solution containing an X element; (2) respectively and simultaneously adding the solution A, an alkali solution and a complexing agent solution into a reaction kettle, and carrying out coprecipitation reaction to obtain an inner core; (3) adding the X salt solution and a precipitator solution to obtain an inner core with a coating layer; (4) adding the solution B, the alkali solution and the complexing agent solution into the base solution of the inner core with the coating layer to obtain a core-shell precursor with an interlayer; and (5) roasting to obtain the core-shell positive electrode material. According to the core-shell positive electrode material disclosed by the invention, due to the existence of the interlayer, a gap generated due to different volume changes of the inner core and the outer shell can be overcome, so that the connection force between the outer shell and the inner core is enhanced, and compared with a common core-shell positive electrode material, the core-shell positive electrode material has relatively excellent thermal stability and relatively long cycle performance.

The invention relates to a foam two-sided adhesive tape, which belongs to the technical field of an adhesive tape. The foam two-sided adhesive tape comprises a foam basal plate, an adhesive coating and a release film, wherein longitudinal through holes are formed between the upper surface and the lower surface of the foam basal plate, the foam basal plate comprises the following components in parts by weight: 100 parts of PMMA, 28 to 35 parts of polyurethane, 18 to 23 parts of fluorine rubber, 1.5 to 3.2 parts of light stabilizer, 5 to 11 parts of mesoporous nano TiO2 and 20 to 30 parts of foaming agents. The longitudinal through holes are formed in the foam basal plate, so that adhesive forms a complete lattice system, the connection performance of the adhesive tape is improved, and the connected object is more stable and reliable. The foam basal plate which is light in weight, good in shock resistance and excellent mechanical performance is adopted as the base material of the adhesive tape, so that the prepared adhesive tape is high in strength, good in flexibility, high in impact resistance and applicable to the manufacturing of more precise instruments and equipment.

Disclosed herein is a protection circuit module (PCM) including a protection circuit for controlling overcharge, overdischarge, and overcurrent of a battery. The protection circuit module includes a pair of connecting members, which are mounted to a rectangular lower end of the PCM and electrically connected to a protection circuit, and a pair of coupling members coupled to the corresponding connecting members while plate-shaped electrode terminals of a battery cell are interposed between the connecting members and the coupling members, and a battery pack including the protection circuit module, which is electrically connected to a battery cell. According to the present invention, a welding or soldering process, which requires a large amount of time and a high degree of technical skill to manufacture a battery pack, is not necessary, the coupling force between the battery cell and the PCM is increased, and the inner space of the battery pack is maximally utilized.

The invention relates to steel slag processing equipment, in particular to a grade lifting device of a roller mill used for processing steel slag. The grade lifting device comprises a bracket, wherein a motor and an outer tube are arranged on the bracket; the bottom end of the outer tube is provided with a bottom plate which is fixedly connected with the inner wall of the outer tube; the top end of the outer tube is provided with a top plate; the lower part of the outer tube is provided with a feeding hole and a second discharge hole; the upper part of the outer tube is provided with a first discharge hole; the inner part of the outer tube is provided with a sieve tube; a cavity is formed between the outer wall of the sieve tube and the inner wall of the outer tube; the lower end of the sieve tube is fixedly connected with the bottom plate; the lower part of the sieve tube is provided with a feeding tube which communicates with the feeding hole; the top part of the sieve tube is provided with a discharge tube which communicates with the first discharge hole; a rotary shaft coaxial with the sieve tube is arranged in the sieve tube; the lower part of the rotary shaft is rotatably connected with the bottom plate; the upper part of the rotary shaft is rotatably connected with the top plate; the lower end of the rotary shaft is connected with the motor; and the rotary shaft is provided with a spiral blade which is in clearance fit with the sieve tube. The grade lifting device has the beneficial effect of improving the production efficiency.

The invention provides a double-interfaced card packaging method and a take-up clamp thereof. The double-interfaced card packaging method comprises the following steps of: milling an outer groove in a card base, so as to expose an antenna head of the double-interfaced card; taking up and pulling up an antenna from the card base through the heated take-up clamp; milling an inner-layer groove in the card base where the antenna is pulled up; and welding an outer welding plate of a module and the pulled antenna. The take-up clamp provided by the invention is provided with a heating and temperature control device, so that the antenna and the card base in the double-interfaced card base can be easily separated, and the antenna head is taken up from the card base; meanwhile, the contact time between a clamp head and the card base is very short, so that the take-up speed is improved; and the clamping force of the clamp head can be adjusted, the take-up process can be smoothly carried out, and the break problem in the take-up process can be avoided. With the adoption of the take-up technology provided by the invention, the current condition that no automatic take-up equipment exists in an intelligent card industry at home and aboard can be solved; the machining process can be simplified; the production efficiency is improved; the product property is improved; and the machining cost is greatly saved.

A secondary battery that can easily adjust power by disposing a plurality of jelly-rolls for the secondary battery in a case and connecting electrodes of the jelly-rolls in either electrical series or in electrical parallel, with corresponding welds. The secondary battery is constructed with a plurality of jelly-rolls each having a first electrode tab and a second electrode tab protruding from the jelly-roll, a case having an opening accommodating insertion of the jelly-rolls, and a cap plate sealing the opening of the case and bearing electrode terminals on a bottom side of the cap plate facing the jelly-rolls. The first electrode tabs protruding from the jelly-rolls are electrically connected to the electrode terminals and the second electrode tabs protruding from the jelly-rolls are electrically connected to the cap plate.

The object of this invention is to provide a method for manufacturing a polyimide and metal compound sheet with a tight seal between a metal foil and a polyimide layer so as to serve as a high density circuit substrate. In this invention, in a polyimide and metal compound sheet, at least a side of the polyimide layer is formed with a metal layer. The surface roughness of the bordering face between the metal layer and the polyimide layer is less than 0.30 mum Ra. The amount of silicon adhesion at the bordering face between the metal layer and the polyimide layer is 0.001 to 0.01 mg / dm<2>. The amount of chromium adhesion is 0.01 to 0.05 mg / dm<2>. The amount of zinc adhesion is less than 0.07 mg / dm<2>. The amount of nickel adhesion is 0.07 to 0.5 mg / dm<2>.

The invention discloses a preparation method of a plugging agent and belongs to the technical field of high molecular materials. The preparation method comprises the following steps: mixing a modifiedpolyvinyl alcohol mixture and borax according to the mass ratio ranging from (100 to 1) to (100 to 2); adding a mixed treatment agent which is 0.05 to 0.06 time of the modified polyvinyl alcohol mixture in mass, and a plasticizer which is 0.01 to 0.03 time of the modified polyvinyl alcohol mixture in mass; after stirring and mixing, obtaining a plugging agent blank; drying the plugging agent blank until the weight is constant; crushing to obtain a pre-treated plugging agent blank; mixing the pre-treated plugging agent blank and water-absorption resin according to the mass ratio ranging from (30 to 1) to (40 to 1); adding an additive which is 0.3 to 0.5 time of the pre-treated plugging agent blank in mass; and stirring and mixing to obtain the plugging agent. The plugging agent disclosed by the invention has excellent plugging effect and compression strength.

The invention discloses a printing and flocking process capable of improving elasticity of specific portions of cloth. The printing and flocking process includes spraying a mold release agent onto the upper surface of a clean platen, printing first glue, laying cloth on the first glue, printing second glue on the cloth, electrostatically flocking the second glue, turning over the cloth, and electrostatically flocking the first glue to obtain a flocky product. The first glue and the second glue have high elasticity and adhesion force. Stripes, patterns or characters can be printed on the first glue and the second glue. The printing and flocking process has the advantages that the elasticity of the cloth can be enhanced in any directions according to ergonomics, adhesion force is high, less proneness to delaminating is achieved, and the edge of the cloth is not loosened; flocking modes are rich, flocking quality and breathability are high, and strapping lines are avoided when a user wears clothes made from the flocky product.

The invention discloses a cast-in-situ heat preservation and heat isolation beam, column or shear wall and a construction method thereof. The cast-in-situ heat preservation and heat isolation beam, column or shear wall comprises outer side concrete, a heat preservation and heat isolation plate and inner side concrete, wherein cavities are formed in the heat preservation and heat isolation plate; and reinforcement ribs are arranged in the cavities. The construction method comprises the following steps of: binding a steel bar cage, arranging the heat preservation and heat isolation plate and a steel bar net, arranging the reinforcement ribs, fixing the heat preservation and heat isolation plate, and erecting an inner side template and an outer side template; and pouring the inner side concrete and the outer side concrete, after the concrete reaches certain strength, dismantling the inner side template and the outer side template to form the cast-in-situ heat preservation and heat isolation beam, column or shear wall. Due to the cavities, pressure difference of the concrete on two sides of the heat preservation and heat isolation plate during in-situ casting of the concrete is reduced; the reinforcement ribs arranged in the cavities and the concrete in the cavities form reinforced concrete short columns; the connection force of the inner layer concrete and the outer layer concrete is increased, and vertical relative displacement of the inner layer concrete and the outer layer concrete is reduced; and finally, the automatic heat preservation and heat isolation beam, column or shear wall which is easy to construct, low in manufacturing cost, high in durability and high in heat preservation and heat isolation performance is obtained.

Provided is a battery wiring module including: a plurality of linear conductors disposed in parallel with a predetermined gap therebetween; a plurality of busbars disposed in parallel along at least one of the linear conductors disposed at both ends having a predetermined gap therebetween so as to electrically connect electrode terminals provided in at least two battery cells connected to each other in the same direction among the plurality of battery cells overlapping each other in the same direction, the electrode terminals being arranged in the same direction; a first insulating resin portion which integrally coats the outer peripheral portions of the plurality of linear conductors and a side edge portion adjacent to the linear conductor in the plurality of busbars; and a connection conductor which electrically connects the linear conductor and the busbar to each other.

The invention discloses a production process of an external wall panel of a prefabricated concrete shear wall, and relates to the technical field of building construction processes. The production process comprises the following steps of mold clearing, mold mounting, bottom layer bar mounting, bottom layer burying, bottom layer distribution, extrusion plate pavement, external page mesh pavement, concrete pouring and compacting, aftertreatment, component maintenance, mold dismounting, component hoisting and finished product storage. According to the process, existing production process processes are overturned, production line production becomes smooth and efficient from originally jamming, component quality is greatly improved, potential safety hazards of components are reduced, labor intensity is greatly reduced, and cost is reduced; and special tools are adopted for mold dismounting and mounting, operation is simple and rapid, and a solid foundation is laid for automation of the nextstep.

The present invention relates to a bearing cage used for a rolling bearing. The bearing cage (10) has at least one interface (11-1, 11-2) slotted between two bearing cage portions (12-1, 12-2) in a circumferential direction. A projection (14) and a corresponding recess (15) are respectively formed on boundary surfaces (13-1, 13-2) of each interface, where the boundary surfaces face each other. The projection and the recess are fixable with each other in three directions. Major axes (17-1, 17-2) of the projection and the recess are diagonally extended at an angle (alpha) with respect to a rotational axis (16) of the cage.

The invention relates to a method for performing compatibilization treatment on vulcanized rubber powder prepared by utilizing waste rubber and belongs to the technical field of a waste rubber recycling process. The method comprises the following process steps of: cutting waste rubber into blocks and removing impurities, and cutting and pulverizing the blocks into coarse rubber particles with a particle diameter of between 2 and 3 mm; sending the coarse rubber particles into a mixing stirrer, adding a composite additive into the mixing stirrer, fully mixing the mixture and sending mixture into a pulverizer for pulverization and refinement, wherein the pulverization and refinement of the coarse rubber particles and the compatibilization treatment on the vulcanized rubber powder are simultaneously completed; and performing fineness classification by a fineness classifier to obtain a vulcanized rubber powder product which meets the fineness requirement and is already compatibilized. The method effectively improves the dispersion uniformity, interface compatibility and bonding strength of a vulcanized rubber powder product treated by compatibilization, can enlarge the application range, and improve the use value.

The invention provides a cervical cancer screening detection kit. The kit comprises a p16 / Ki-67 hybrid primary antibody, a hybrid enzyme-labeled secondary antibody and a staining solution, wherein thestaining solution comprises an AP-Red staining solution and a DAB staining solution, and the preparation method of the AP-Red staining solution comprises chromogen preparation, substrate preparationand staining solution preparation. A novel cervical cancer screening detection kit is provided in the technical scheme. The AP-Red staining solution of a novel formula is used in the kit, the chromogen in the staining solution possibly has multiple reactive groups, and the groups can react with groups on tissues so as to form covalent bonds, so that cervical cell slices using the kit can directlypass through organic reagents after staining, a water-based sealing agent does not need to be used for sealing the slices, bubbles are avoided, the thickness is controlled, the time and labor cost canbe saved, observation of staining results is prevented from being influenced, and the detection efficiency and detection quality are improved.