50results about How to "Increase force" patented technology

This invention relates to an underwater pipeline flaw detection robot, belonging to the field of underwater pipeline inspection technology. The invention comprises a main ring, a cleaning mechanism, a spring telescopic lever, a moving mechanism, a second spring, a drive mechanism, and a monitoring probe. A receiving groove is formed on the inner wall of the main ring. The cleaning mechanism is slidably connected to the receiving groove. The two ends of the spring telescopic lever are hinged to the cleaning mechanism and the moving mechanism, respectively. The spring telescopic lever is rotatably connected to the side wall of the receiving groove. The moving mechanism is slidably connected to the side wall of the receiving groove. The two ends of the second spring are fixedly connected to the moving mechanism and the side wall of the receiving groove, respectively. The drive mechanism is fixedly installed on the outer wall of the main ring, and the monitoring probe is fixedly installed on the top surface of the main ring. This invention allows the robot to be fitted onto the pipeline, improving its stability in water. The cleaning mechanism cleans the deposits on the pipeline, improving the flaw detection effect. The moving mechanism allows the robot to move in water while traversing flanges, enabling the robot to successfully complete flaw detection work.

This invention discloses an acid-triggered hydrogel plugging agent and its preparation method, comprising polyacrylamide, carboxylated tannic acid, and slow-release iron, wherein the mass ratio of polyacrylamide, carboxylated tannic acid, and slow-release iron is 10:0.03-0.06:0.005-0.01. This invention solves the problems of existing gel plugging agents being unable to remain stable in acidic environments for extended periods and being difficult to inject.

The application discloses a driving motor, a camera module and an electronic device, and belongs to the technical field of camera modules. The driving motor comprises a shell, a carrier, a magnetic piece and a coil assembly. The carrier is located in the shell and is used for carrying a lens. The magnetic piece is connected with the carrier. The coil assembly is connected with the shell. The coil assembly comprises a first coil and a second coil. When the coil assembly is in a first energization state, the first coil and the second coil generate electromagnetic forces of the same direction on the magnetic piece, so that the magnetic piece drives the carrier to move. When the coil assembly is in a second energization state, the first coil and the second coil generate electromagnetic forces of opposite directions on the magnetic piece.

The invention relates to a high-strength antibacterial spandex fabric and a preparation method thereof, and belongs to the technical field of functional textile materials. The spandex fiber comprises a spandex fiber matrix and a functional polymer layer grafted on the surface of the matrix through a covalent bond, and the functional polymer layer is a polymer of an unsaturated derivative of natural phenolic acid and is prepared by introducing carbon-carbon unsaturated bond groups such as acryloyloxy and the like into the natural phenolic acid through esterification or etherification. During preparation, the spandex fiber is subjected to plasma pretreatment, and then the spandex fiber and the natural phenolic acid-containing unsaturated derivative monomer are subjected to thermal initiation or photo-initiation graft polymerization to form the functional layer. The lasting and stable antibacterial function is achieved through covalent bond grafting, the natural phenolic acid derivative endows the fiber with the environment-friendly and non-dissolution type antibacterial property, the functional layer can improve the modulus and breaking strength of the fiber, the intrinsic elasticity of spandex is considered, the comfortable fitting characteristic of the composite fabric is reserved, and the composite fabric is endowed with the high strength and the antibacterial function.

The utility model discloses a ceramic sample fork, which relates to the technical field of wafer processing equipment, aims to solve the problem of wafer positioning, and comprises a main body, the main body is made of a ceramic material and is formed by integrally forming a pair of arm forks and a fixed end, the pair of arm forks is symmetrically arranged on the two sides of the fixed end. The arm fork is arranged to be in an arc shape, a step is arranged on the inner wall of the arm fork, and the vertical face of the step is arranged to be a slope. By arranging the steps with the slope of 75 degrees and matching the positioning holes and the positioning columns, accurate positioning of the wafer is achieved, and the problem that the wafer is damaged due to inaccurate positioning in the processing process is avoided.

The application discloses a high-strength, large-pore-volume phosphorus-containing binder, characterized in that the binder comprises a glue, a curing agent and a modifier; the glue comprises a phosphorus-containing compound and an aluminum-containing compound; the curing agent comprises a gamma-aluminum oxide precursor, an acid and an alkylammonium salt, and the modifier is a metal chelate; wherein the colloidal solubility index of the gamma-aluminum oxide precursor is less than or equal to 50%; and the modifier is reacted with the glue in a high-shear dispersion emulsifier. The phosphorus-containing binder provided by the application, in combination with a conventional method, can obtain a catalytic cracking catalyst which, on the basis of high molecular sieve content and large pore volume, still has high wear resistance.

The utility model provides a condenser pipe fitting connecting assembly, and belongs to the technical field of pipe fitting connection. Comprising a connector and further comprises anti-loosening assemblies, the anti-loosening assemblies are arranged at the two ends of the connector, each anti-loosening assembly comprises nuts connected to the two ends of the connector and a clamping plate arranged on one side of the corresponding nut, one side of each nut is connected with a clamping column, and a clamping groove is formed in the side, close to the corresponding clamping column, of each clamping plate; the nut is clamped with the clamping plate through the clamping column and the clamping groove; the reinforcing assembly is arranged on the outer side of the anti-loosening assembly and used for fixing the clamping plate; by arranging the anti-loosening assembly, the clamping plate is pushed towards the nut, so that the clamping column on the nut is clamped into the clamping groove of the clamping plate, the clamping plate and the clamping column are matched to form a mechanical clamping structure, additional anti-rotation torque can be provided for the nut, the nut can be prevented from loosening due to vibration, impact or pressure fluctuation, and the anti-loosening effect is good. And the stability and the service life of the clamping sleeve type connecting assembly can be improved.

This invention discloses a method for preparing a modified chitosan whisker-reinforced and toughened PBAT microfoamed composite material. Biodegradable and high-modulus chitosan whiskers are selected as the reinforcing agent, enabling the composite material to achieve full biodegradability. Through surface modification technology, PBAT segments with the same composition as the PBAT matrix are introduced onto the surface of the chitosan whiskers. This design ensures good compatibility between the chitosan whiskers and the matrix, resulting in thorough dispersion within the matrix and achieving a more efficient reinforcement and toughening effect than traditional reinforcing agents. Simultaneously, the grafted and modified chitosan whiskers can increase the melt viscosity and melt strength of the PBAT matrix, thereby improving its foaming properties.

A method for preparing and applying a silicone rubber / crosslinked polyethylene composite dielectric for cable accessories is disclosed, belonging to the field of composite dielectric preparation methods and applications. The purpose of this invention is to solve the problem in existing technologies where, with long-term cable operation, silicone grease diffuses into the silicone rubber, causing swelling, leading to a decrease in the insulation performance of the silicone rubber and an increase in the failure rate. The method includes: 1. Preparing silicone rubber; 2. Preparing crosslinked polyethylene; 3. Preparing a doped and modified silicone grease; 4. Coating the modified silicone grease onto the surface of the silicone rubber, and then covering it with crosslinked polyethylene. 2,3,5,6-Tetrafluoro-7,7',8,8'-Tetracyanodimethyl-p-benzoquinone is introduced into the silicone grease as a filler to construct carrier traps, hindering carrier injection and transport. Under the synergistic effect of this filler and silicone grease, intermolecular forces are enhanced, silicone grease slippage is reduced, and thus the electrical insulation properties of the silicone rubber-crosslinked polyethylene composite interface are further increased.

The utility model belongs to the technical field of kitchen appliances, and discloses a food processor which comprises a stirring cup and a cutter assembly detachably installed in the stirring cup, the cutter assembly comprises an upper shell, a lower shell and a shaft sleeve, the upper shell and the lower shell define an installation cavity, the shaft sleeve is located in the installation cavity, and a bearing is installed in the shaft sleeve. The cutter assembly further comprises a transmission shaft, a metal magnetic isolation disc fixed to the lower end of the transmission shaft into a whole and a permanent magnet fixed to the lower surface of the magnetic isolation disc, the permanent magnet is located in the installation cavity, and the transmission shaft is provided with an upper limiting part and a lower limiting part in a protruding mode and installed on the bearing from bottom to top in a penetrating mode. The upper limiting part detachably sleeves the periphery of the transmission shaft and abuts against the upper end of the bearing, and the upper end of the transmission shaft extends out of the upper shell and is connected with a blade. The working stability of the transmission shaft is improved, noise is reduced, the cutter assembly structure is simplified, the acting force between the driving magnetic disc and the permanent magnet is enhanced, synchronous rotation of the driven magnetic disc and the driving magnetic disc is achieved, and the transmission efficiency is improved.

The invention discloses an oil-in-water emulsion workover fluid and a preparation method thereof, and relates to the technical field of workover fluids, the oil-in-water emulsion workover fluid comprises the following raw materials by weight: 28-30 parts of water, 65-67 parts of white oil, 3-5 parts of a modified sorbitol-based emulsifier, and 2-4 parts of a modified sodium polyacrylate thickener. According to the modified sorbitol-based emulsifier prepared by the invention, the high temperature resistance is improved, the salt tolerance of the modified sodium polyacrylate thickener at high temperature is enhanced, and the oil-in-water emulsion workover fluid can be endowed with relatively strong high-temperature stability.

The utility model discloses a battery holder which comprises a base, a cover body, a positive plate and a negative plate, the base is provided with an accommodating cavity for mounting a button battery, and a positive pole mounting groove and a negative pole mounting groove are formed in the bottom of the accommodating cavity; the cover body is mounted on the base in a manner of opening or closing the accommodating cavity; the positive plate is arranged in the positive mounting groove; and the negative plate is arranged in the negative mounting groove. The fixing ribs are arranged on the peripheral side face of the cover body in an outward protruding mode, when the cover body closes the containing cavity, the fixing ribs make close contact with the inner wall face of the containing cavity, the acting force between the cover body and the base is improved, the cover body and the base are matched more firmly and reliably, the cover body is effectively prevented from falling off from the base, and the service life of the cover body is prolonged. The first through hole is formed in the positive electrode welding pin, the second through hole is formed in the negative electrode welding pin, and the first through hole and the second through hole are filled with tin liquid during tin soldering, so that the acting force between the tin ball and the positive electrode plate and the acting force between the tin ball and the negative electrode plate are greatly increased, and the welding between the battery holder and the PCB is firmer and more reliable.

The utility model discloses a double -decked paper towel distributor belongs to public facilities articles technical field. It is to solve the existing double -decked paper towel distributor and paper towel roll is stolen easily, and the problem of partial use paper towel roll replacement waste. The distributor includes at least two compartments, and each compartment has a base, openable cover, paper towel frame and locking device, and locking device contains bracket, locking component, unlocking component, blocking device and biasing device, and bracket moves from external position to internal position with paper towel roll use, and after pushing blocking device, button can make unlocking component and locking component joint and unlock, and it further includes the warehouse door with branch, and branch engages with paper towel roll, and only when the current compartment paper towel roll is exhausted, the warehouse door can slide to next compartment, and it is mainly used in public washroom and other places, can prevent paper towel roll and waste, prolongs continuous paper supply time, and is convenient for timely supplement.

The utility model belongs to the technical field of diaphragm pneumatic valve, especially relates to a stable diaphragm pressing structure of pneumatic diaphragm valve diaphragm, including actuating mechanism casing, piston subassembly, spring, gas channel, the piston subassembly is connected swing axle, the lower extreme of swing axle is equipped with conical part, the below of conical part is equipped with diaphragm pressure axle, diaphragm pressure axle is used for the diaphragm pressing of diaphragm, the periphery of conical part is equipped with a plurality of ball bearings, ball bearings are located in the ball bearing movable cavity of diaphragm pressure axle, and conical part passes through ball bearing pressing diaphragm pressure axle action, the utility model provides a stable diaphragm pressing structure of pneumatic diaphragm valve diaphragm, under the same condition, the utility model's pressure stability is higher, and the force is bigger.

The invention belongs to the technical field of pharmaceutical preparations, and particularly relates to an indissolvable drug nano mixed micelle carrier system and a preparation method thereof. The carrier system has high drug loading capacity and high stability, and can avoid degradation of active ingredients caused by long-time placement; the targeting property is high, so that toxicity reduction and synergism are facilitated; meanwhile, the preparation method is simple, convenient and easy to operate, short in process time and high in stability, and continuous production of micelles can be realized.

The utility model discloses a workpiece automation burnishing frock of quick changeable, including frame, the upper portion fixed connection of frame has operating table, the inside slide of operating table has inserted magnet block, and the lower part of magnet block has the treading frame of movable sleeve, and the rear portion of treading frame is fixedly connected with operating table. Reset spring is established between operating table and treading frame, and the upper end of reset spring is fixedly connected with operating table, and the lower end of reset spring is fixedly connected with treading frame. Operating table includes the table body, places the workpiece of steel material quality on operating table, utilizes magnet block and holds the workpiece, makes workpiece keep on operating table, and treads treading frame downward, makes treading frame downward act on treading frame, and through treading frame and help lever act on magnet block, make magnet block downward and away from workpiece, reduce the suction of workpiece, take down workpiece, control suction through the mode of treading, and it is convenient and quick to replace workpiece.

The invention relates to an electrical connector comprising a housing (12) comprising an insertion portion (22) insertable in a mating direction (D) into a mating electrical connector, the insertion portion (22) having at least one receptacle (26) to receive at least one electrical contact of an electrically conductive terminal, and a compression member (18) arranged within the housing (12) such that the compression member (18) is compressible in the mating direction (D). According to the invention, a central axis (C3) of the compression member (18) is substantially aligned with a central axis (C1) of the insertion portion (22) of the housing (12) in the mating direction (D).

The application provides an amino-modified micro-nanoparticle modified asphalt and a preparation method thereof. The asphalt is prepared from amino-modified micro-nanoparticles and acid anhydride modified asphalt, wherein the weight ratio of the amino-modified micro-nanoparticles to the acid anhydride modified asphalt is 0.005-0.05:1. The preparation method of the modified asphalt is as follows: a proper amount of amino-modified micro-nanoparticles is added into molten acid anhydride modified asphalt, the temperature is maintained at 100-200 DEG C, and the stirring is continuously carried out at a speed of 1000-2000 rpm for 0.5-5 h to obtain the modified asphalt with uniformly dispersed micro-nanoparticles. The modified asphalt prepared by the application has significantly improved high-temperature performance, enhanced anti-rutting capacity and improved anti-aging performance compared with the base asphalt, and has great application potential in highways in high-temperature regions.

The present application relates to a kind of novel light color alkali-resistant and hydrogen peroxide immersion roller, including outer rubber layer and internal core, the outer rubber layer is wrapped in the outside of internal core;The outer rubber layer includes component by weight fraction: chlorosulfonated polyethylene rubber, 70~90 parts;Ethylene-propylene-diene rubber, 10~30 parts;Iron red, 5~8 parts;Red lead, 10~20 parts;Reinforcing agent, 50~80 parts;Vulcanizing agent, 3 parts;Accelerator, 2~3 parts;Plasticizer, 10 parts;Antioxidant, 1~1.5 parts;Extrusion dispersing agent, 3 parts, the advantage of the present application is that other auxiliary materials and extrusion dispersing agent are matched, the Mooney viscosity of compound is reduced, the process performance of compound in the process of forming extrusion is improved, the high temperature resistance, alkali resistance, hydrogen peroxide resistance, chemical medium resistance and other properties of immersion roller are improved, thereby prolonging the service life.

The utility model discloses an anti-drop false PIN structure and a plug-in inductor, the anti-drop false PIN structure comprises at least one false PIN body and a base, the number of the false PIN body is at least one, the false PIN body comprises a plugging end and a clamping end, the plugging end is used for plugging of a PCB, and the periphery of the clamping end is provided with a first clamping part; the bottom of the base is provided with at least one plugging hole plugged with the clamping end, a second clamping part is arranged in the plugging hole, the second clamping part is used for being matched and clamped with the first clamping part, the plug-in inductor is installed on the anti-falling false PIN structure, and the first clamping part of the false PIN body is matched and clamped with the second clamping part of the plugging hole, so that the clamping stability is improved, and the plug-in inductor is installed on the anti-falling false PIN structure. Therefore, the false PIN body is stably connected with the base in the wave soldering process, and falling or loosening caused by high temperature is avoided. The utility model is suitable for the technical field of electronics.

This invention relates to an environmentally friendly lightweight blow-molded container, which has a multi-layer co-extrusion structure. The multi-layer co-extrusion structure includes at least one foam layer, an inner surface support layer, and an outer surface support layer. The foam layer is located between the inner and outer surface support layers. The foam layer is made of the following components by weight: 100 parts of waste plastic scrap PP, 1-3 parts of diallyl isocyanurate, 5-10 parts of acrylamide, 0.3-0.5 parts of initiator, 3-10 parts of foaming material, and 0-15 parts of other additives. The foaming material includes a support structure, which is a three-dimensional porous material. This invention achieves lightweighting through foaming while utilizing waste plastics for high-value conversion. The foamed product of this invention has stable pores that are not easily collapsed, and has good thermal insulation properties.

The invention relates to a solid amine adsorbent and a preparation method and application thereof.The solid amine adsorbent comprises carrier resin containing amine functional groups and a polyamine chain grafted to at least part of the surface of the carrier resin, the polyamine chain has the structural formula shown in the formula (I), in the formula (I), * represents a connecting site; m is an integer of 0-5; n is an integer from 1 to 20; o is 1 or 2. The solid amine adsorbent provided by the invention has high amine content and excellent water resistance.

This utility model relates to the field of new energy battery technology, and discloses a battery cell and a battery pack. The battery cell has a first direction and a second direction that are perpendicular to each other, and includes: a top cover plate with a positioning groove; an insulating component including a main body and a first protrusion, the first protrusion being located on the side of the main body away from the top cover plate, the first protrusion including a platform body with a clearance groove, the platform body being connected to the main body, the clearance groove penetrating a portion of the platform body along the second direction; and a first positioning post, one end of which passes through the positioning groove and is connected to the top cover plate, and the other end of which is connected to the main body. Along the first direction, the orthographic projection of the first positioning post on the first protrusion is at least partially located in the clearance groove, and the orthographic projection of the first positioning post on the main body is offset from the orthographic projection of the platform body on the main body. The first protrusion is a common location for the insulation component to collapse. Increasing the force exerted by the first positioning post on the insulation component at the first protrusion can reduce the collapse amplitude of the first protrusion and improve the safety and stability of the battery cell.

The present application relates to a kind of TO type component pin automatic shaping device, belong to electronic component processing technical field.It includes rack, the long slot for removing packing box is equipped on the rack, and the upper material mechanism for stacking multiple packing boxes is equipped in the slot width direction one side, and the upper material mechanism for packing box push, material rack lower part has only lateral opening through a packing box, and the material supporting mechanism is equipped in the slot width direction other side;In the slot length direction one side, the feeding mechanism for pushing the component in packing box one by one is equipped, and the other side is equipped with shaping mechanism for bending and cutting pin.The present application realizes the action of feeding one by one under the premise that component is not removed from packing box, reduces auxiliary process time, at the same time, cooperates shaping mechanism to realize automatic positioning, bending, cutting pin and other actions, improves the component shaping efficiency as a whole, also guarantees the consistency of component shaping.

The utility model discloses an intelligent closestool drying and deodorization integrated device, include: casing, the inner chamber of casing forms the air duct, and the air duct passes through the front end opening and rear end opening of casing, and the top wall of casing is equipped with the vent that communicates with the air duct, first baffle, rotates and is located in the top wall of casing to open and close the vent, deodorization module, fan, heating module set up in the casing, and deodorization module is located the rear side of vent, and fan and heating module are located the front side of vent, when the blade of fan is normal, and first baffle is in the falling position under the action of gravity to open the vent, and the airflow direction of air duct is from rear to front, realizes drying function, when the blade of fan is reversed, and first baffle is in the rising position under the action of the wind force in the air duct to close the vent, and the airflow direction of air duct is from front to rear, realizes deodorization function. The intelligent closestool drying and deodorization integrated device of the utility model can effectively reduce the cost, reduce the volume, and the function is reliable.

This utility model provides a tarpaulin traction auxiliary structure, including a frame locking structure for fixed connection with a vehicle tarpaulin frame. A lifting frame is vertically mounted on the frame locking structure, and an anti-detachment groove is vertically formed at the top of the lifting frame. A steering wheel, higher than the vehicle tarpaulin frame, is vertically rotatably mounted within the anti-detachment groove. Two limiting parts are vertically positioned at the top of the lifting frame, and the steering wheel is located between the two limiting parts, with the top of the limiting parts higher than the top of the steering wheel. This utility model provides a tarpaulin traction auxiliary structure with improved operational performance.

The invention relates to the technical field of adhesives, and discloses a full-lamination OCA optical adhesive for a curved screen and a preparation method thereof.The preparation method comprises the steps that an acrylate soft monomer, an acrylate high-modulus monomer and an acrylate high-polarity monomer are mixed, a photoinitiator is added, under irradiation of a UV lamp, a prepolymer with the viscosity ranging from 2500 cps to 3500 cps is obtained, and the full-lamination OCA optical adhesive for the curved screen is obtained. And adding the photoinitiator, the cross-linking agent and the chain transfer agent, uniformly stirring, accurately controlling the thickness, and carrying out UV curing to obtain the full-lamination OCA for the curved screen. The prepared full-lamination OCA for the curved screen has high cohesiveness, high modulus, high elongation and good weather resistance stability, the problem that bubble returning is prone to occurring after a lamination weather resistance test is conducted on the edge bending position of the curved screen is emphatically solved, and the full-lamination OCA can be widely applied to the field of assembly of various curved screens.

The application relates to the technical field of silicone rubber, and particularly discloses a wear-resistant and high-temperature-resistant silicone rubber composition and a preparation method. The silicone rubber composition comprises the following raw materials in parts by mass: 55-70 parts of methyl vinyl silicone rubber, 15-20 parts of methyl phenyl vinyl silicone rubber, 5-10 parts of polytetrafluoroethylene micro powder, 10-18 parts of modified POE, 4-8 parts of reinforcing filler, 2-4 parts of processing aid, 18-25 parts of fumed white carbon black, 1-3 parts of divinyl tetramethyl disilazane, 1.5-3 parts of vulcanizing agent and 0.5-2 parts of crosslinking aid. The raw materials are mixed in a banbury mixer, melt-blended in a torque rheometer and formed into a plate in a plate vulcanizing machine to obtain the wear-resistant and high-temperature-resistant silicone rubber composition. The silicone rubber composition prepared through the synergistic effect of the raw materials has excellent wear resistance, high-temperature resistance, excellent mechanical properties and good stability.

The utility model discloses a kind of mould locking pressurizing hydraulic circuit and die-casting machine, it is related to die-casting equipment technical field, including oil supply device, oil tank, pressurizing cylinder and mould locking cylinder;Pressurizing cylinder includes pressurizing oil inlet chamber, pressurizing oil return chamber and pressure building chamber;Oil supply device supplies oil to pressurizing oil inlet chamber and pressure building chamber, loop between pressurizing oil inlet chamber and pressure building chamber is equipped with first check valve;Pressure building chamber is communicated with mould locking cylinder rodless chamber;Pressurizing oil return chamber is communicated with oil tank, and oil passage between pressurizing oil return chamber and oil tank is equipped with first reversing valve;When the pressure of pressure building chamber reaches first pressure threshold, first reversing valve is powered to control the oil liquid of pressurizing oil return chamber flows into oil tank, so that the pressure of pressurizing oil inlet chamber is greater than the pressure of pressurizing oil return chamber, so that pressurizing piston rod is pressed into mould locking cylinder rodless chamber with the hydraulic oil of pressure building chamber.The scheme cancels accumulator, improves the pressure of mould locking cylinder under the precondition of not increasing system complexity and space requirement, can reduce cylinder diameter, reduce manufacturing and maintenance cost.