63results about How to "Increase contact distance" patented technology

A method for producing encapsulated chips includes preparing a wafer with contacts projecting from a surface of the wafer. The wafer is disposed on a dicing substrate and diced into a plurality of spaced chips on the dicing substrate. The contacts are covered with a protection arrangement, then injection molding being conducted to introduce encapsulation material into the contacts and the trenches. Then the protection arrangement is removed so that the contacts are exposed.

The invention provides a preparation method of ternary lithium battery material, comprising the following steps: A) ball milling and activating a nickel source, a cobalt source and a manganese sourceto obtain a mixed material; B) mix that mixed material, the lithium source, the flux, the compound of M and the polyvinyl alcohol, spray dry and pressing to obtain a block; C) grin that mass aft calcination to obtain a quasi-monocrystalline ternary material; D) grin that monocrystalline ternary material and the cladding material source and roast to obtain ternary lithium electric material; The coating source is one of LiCO3 and LiOH. H2O and one or more of Al2O3, ZrO2 and TiO2. The present application also provides the ternary lithium electric material and a lithium ion battery. The preparation method of the ternary lithium battery material provided by the present application synthesizes a monocrystalline ternary cathode material at one time by self-fusion of raw materials, has large particle size and uniform distribution, and is excellent in high-temperature storage performance and high-temperature cycling performance as the cathode material.

The invention relates to an Al / CuO / porous graphene nano-composite energetic material and a preparation method thereof and belongs to the technical field of preparation of nano-composite energetic materials. According to the method, induced assembly is performed by means of high adsorption power of porous graphene, so that the contact distance between powdered Al and CuO is increased, mass transfer distance is reduced, meanwhile, the contact area of powdered Al and CuO is increased, the chemical kinetic action of the material is enhanced, energy release rate is controlled, combustion speed is increased, combustion efficiency is improved, specific impulse is improved, and detonation reaches a more ideal state; the preparation process is convenient to operate, the method is simple, safe and low in cost, and product purity is high.

The invention discloses a multifunctional soft gripper for sorting objects. The soft gripper comprises a gripper assembly, a plurality of single finger connecting heads fixedly mounted below the gripper assembly, soft single fingers fixedly mounted below the single finger connecting heads and soft strain sensors fixed to the inner sides of the soft single fingers. The soft single fingers driven byan air pressure have bending deformation, and the soft strain sensors are used for measuring the bending deformation amounts of the soft single fingers gripping objects of different sizes. The bending deformation amounts of the soft single fingers gripping objects of different sizes can be measured precisely by means of the soft strain sensors adhered to the soft single fingers, so that the sizesof different objects are recognized, and a task of classifying and sorting different objects is finished.

The invention discloses a building rubbish crushing and separating device. A crushing device is arranged on one side of a feeding hopper, and a filtering device is arranged on the lower portion of thecrushing device. A screen II is arranged on one side of the crushing device, and a supporting plate II is arranged on one side of a screen I. A spiral plate is arranged in the screen I, and a rotarydisc is arranged on one side of a supporting frame. A supporting rod III is arranged on one side of the rotary disc, and a supporting rod II is arranged on one side of the supporting rod III. A rotaryshaft I is arranged on one side of the supporting rod II, and a worm wheel is arranged on one side of the rotary shaft I. A gear III is arranged at one end of a worm, and a discharging opening VIII is formed in the lower portion of the screen I. A separation device I is arranged on one side of the filtering device, and a guide plate I is arranged on one side of the screen I. A separation bucket is arranged on one side of the guide plate I, and a plurality of electromagnetic bars are arranged on one side of the separation bucket. A gear ring II is arranged on one side of the separation bucket,a gear IV is arranged on one side of the gear ring II, and a screw conveyor is arranged on one side of a guide plate II. The building rubbish crushing and separating device is good in metal separation effect and thorough in screening.

In a state that the periphery of a rotary knife can rotate and cut in a direction being from a surface (upper surface) of a substrate as the top layer to inner side, a workbench moves in a +X direction and the rotary knife cuts the substrate. Secondly, in a state that the periphery of the rotary knife can cut in a direction being from a surface (lower surface) of a packaging resin as a lowest layer to the inner side, the workbench moves in a -X direction and the rotary knife cuts the packaging resin, and therefore a bilayer-structure resin packaged body composed of the substrate and the packaging resin is cut off. Thus, roll rims and 'burrs' which can be generated when the bilayer-structure resin packaged body is cut off once by the rotary knife are prevented.

The invention provides an online automatic adjustment magnetic adsorption type wall climbing wheel. The online automatic adjustment magnetic adsorption type wall climbing wheel comprises a driving wheel and a follower wheel. The driving wheel is arranged on a power shaft, and an adjusting rotary mechanism is arranged on the power shaft. A tile-shaped magnet is fixedly arranged below the adjusting rotary mechanism, a rotary engaging control piece corresponding to the adjusting rotary mechanism is arranged above the adjusting rotary mechanism, and the outer edge of the rotary engaging control piece is in contacting engagement with the outer edge of the adjusting rotary mechanism. The rotary engaging control piece is locked on a 90-degree corner steering engine through a rotary shaft, and an angle sensor is arranged on the 90-degree corner steering engine. The online automatic adjustment magnetic adsorption type wall climbing wheel can automatically adjust the angle of the magnet according to the angles of working planes, online dynamic magnetic adjustment can be achieved on the working planes with different angles, and magnetic adsorption force is shown in an optimal mode during actual operation.

The invention discloses an aluminum melting furnace heating chamber provided with a spiral fire guide flue. The aluminum melting furnace heating chamber comprises a heating chamber (1), a spiral partition layer (11), the spiral fire guide flue (2), a flame flue (3) and a smoke flue (4). The technical scheme adopted by the invention is that the inner wall of the heating chamber is provided with the spiraling spiral partition layer, the outer wall of a crucible is enclosed by the spiral partition layer to form the spiral fire guide flue, and the spiral fire guide flue is located between the upward side of the mouth of the flame flue and the downward side of the mouth of the smoke flue of the inner wall of the heating chamber; by utilizing the spiral fire guide flue, the contact time of flames and the crucible is prolonged, the distance from the flames to the crucible is extended, and the heat exchange time is increased, so that heat exchange is more sufficient; hot smoke is smoothly discharged into atmosphere to reduce the internal pressure of the heating chamber; by utilizing the energy storage and heat preservation function of the spiral partition layer, room temperature loss in the heating chamber is delayed so as to keep the aluminum alloy melting temperature in the crucible, so that the goals that the internal pressure reduction, smooth gas flow and energy storage and heat preservation are achieved by the biomass fuel aluminum melting furnace heating chamber.

A wireless transformer system comprises a primary side of AC / DC converter with power factor correction and a secondary side of a half bridge resonant DC / DC converter to power a device wirelessly.

A contact formed by electroforming and extended in a direction roughly perpendicular to a voltage application direction in the electroforming has a contact portion disposed at one end of the contact, which is brought into sliding contact with a conductive member along the voltage application direction in the electroforming.

The invention discloses an adjusting device for electronic production machining. The adjusting device comprises a base, a fixed column is fixedly connected to the right side of the upper surface of the base, a placement board is fixedly connected to the upper surface of the fixed column, and a forward-and-backward rotating motor is fixedly connected to one side face, away from the fixed column, ofthe placement board; a rotating rod is fixedly connected to the output end of the forward-and-backward rotating motor, and a first gear is fixedly connected to one end, away from the forward-and-backward rotating motor, of the rotating rod; a second gear is arranged at one side face, away from the rotating rod, of the first gear; and the bottom of the left side face of the first gear is meshed with the right side face of the second gear, a threaded rod is fixedly connected to the bottom surface of the second gear, a bearing is fixedly connected to the upper surface of the base, and one end ofthe threaded rod is fixedly connected with an inner ring of the bearing. The adjusting device for the electronic production machining can realize convenient lifting of an adjusting device used for electric power production machining through the structural cooperation, the use value of the adjusting device used for the electric power production machining is improved, and widespread promotion is facilitated.

The invention discloses a double-break circuit breaker comprising a shell which is internally provided with a rotating shaft and a tripping mechanism which is used for driving the rotating shaft to rotate. The shell is also internally provided with multiple sets of double-break structures. Each set of double-break structure comprises two static contacts and two moving contacts. The two moving contacts are arranged side by side. The position, which is corresponding to each set of double-break structure, of the rotating shaft is provided with a concave cavity. One end of each of the two moving contacts stretches into the concave cavity of the rotating shaft. The end parts of the ends, which are positioned in the concave cavity of the rotating shaft, of the two moving contacts are electrically connected via a flexible conductive member. A moving contact point is fixed on the other end, which is positioned outside the concave cavity of the rotating shaft, of each of the two moving contacts. A static contact point is fixed on the internal ends of the two static contacts respectively. One-to-one correspondence suction closing can be formed by the two moving contact points on the two moving contacts and the two static contact points on the two static contacts. With application of the aforementioned arrangement, the invention provides the double-break circuit breaker which can effectively enhance breaking capacity without increasing the size of the shell of the circuit breaker.

The invention discloses an electric pole correcting device for electric power engineering. The device comprises an adjusting mechanism, limiting mechanisms and an electric pole; the inner end face of the adjusting mechanism is evenly, equidistantly and slidably connected with the six sets of limiting mechanisms for positioning in a clamped mode; and the electric pole is movably connected with the inner end faces of the limiting mechanisms in a clamped mode. According to the electric pole correcting device for electric power engineering, by arranging the adjusting mechanism, during correction, a fixed motor can provide enough power for rotation of a guide disc through a connecting gear, and meanwhile, when the guide disc rotates, limiting displacement can be conducted on the limiting mechanisms through six sets of guide grooves at the same time, so that the six sets of limiting mechanisms can conduct centrifugal or centripetal displacement at the same time. Therefore, the follow-up adjusting mechanism can conveniently control the limiting mechanisms to stably limit the electric poles with different radiuses, the adaptability of the device is improved, and meanwhile the stability of limiting the electric poles is also improved.

The invention discloses an improved roller impressing device. The device is characterized in that: the improved roller impressing device comprises a plurality of transmission rollers and a belt body, the transmission rollers are alternately arranged, the external side of the belt body is provided at least a transfer structure, the inner side of the belt body encircles the transmission rollers so as to form a transfer zone, a solidifying device is arranged on an extended position of the transfer zone; and the improved roller impressing device also comprises a basic material, which is arranged on a workbench and contacts one side of the belt body. The improved roller impressing device has the advantages that: the contact distance and contact time between the transfer structure and the basic material are increased so as to avoid the generation of phenomenon of transfer structure transformation and side wall disintegration, when the transfer printing is incomplete or in the demoulding process.

The invention discloses an F type rail used for reducing frictional losses of a magnetic-levitation train and a preparing method thereof, and belongs to the technical field of rails for magnetic-levitation track traffic. The F type rail comprises an F type steel rail body, the F type steel rail body is provided with an F type steel inner leg and an F type steel outer leg, multiple strip hardness strips are arranged on the outer side face of the F type steel outer leg in the longitudinal direction in a spaced manner, the strip hardness strips are arranged in parallel in an inclined manner, andthe included angle alpha of each strip hardness strip relative to the longitudinal direction of the outer side face of the F type steel outer leg is equal to 105 to 110 degrees. The strip hardness strips comprise, by mass percent, 0.03 to 0.09% of C, 0.25 to 0.40% of Si, 1.5 to 2.0% of Mn, not larger than 0.020% of P, not larger than 0.020% of S, 0.10 to 0.30% of Cr, 0.10 to 0.25% of Ni, 0.02 to 0.06% of Nb, 0.002 to 0.006% of B and the balance Fe and inevitable impurities. The F type rail has the higher strength and hardness and good wear resistance.

The invention relates to a cutting device, in particular to an efficient PPR pipe cutting device. The efficient PPR pipe cutting device aims to achieve the aims of achieving automatic and efficient conveying, in-batch cutting and stable fixing. The efficient PPR pipe cutting device comprises a base, first supports, a workbench, a sliding assembly and a cutting assembly, the first supports are symmetrically connected to the left side and the right side of the front portion of the upper side of the base front and back, meanwhile, the first supports are connected to the middle of the rear portionof the upper side of the base, the workbench is connected between the upper sides of the first supports at the front portion, the sliding assembly is mounted at the right side of the upper portion ofthe workbench, and the cutting assembly is arranged at the upper sides of the first supports at the rear portion. According to the efficient PPR pipe cutting device, a grip is dragged to move leftwards to drive PPR pipes to move leftwards to make contact with a cutting knife to complete cutting, the effect of simply and conveniently conveying the PPR pipes in batches is achieved, feeding and discharging are completed in one step, and manpower is saved.

A cleaning mechanism (1) provided in a liquid material discharge device (40) comprises a blade (21) for removing ink adhering to a discharge surface, a roller (3) for removing a liquid material from the blade (21), and a motor (8) for moving the blade (21) from a position where the blade abuts on the discharge surface to a position where the blade abuts on the roller (3). The roller (3) is configured to uniformly abut on the blade (21) and the rotation thereof is controlled by a control means while the roller is abutting on the blade (21). This provides a cleaning unit with which the dischargesurface of the liquid material discharge device can be cleaned with high reliability, the discharge surface is prevented from being scratched by cleaning, and with which stable discharging efficiencycan be realized.

The invention discloses a charging device of a rail vehicle and a rail transit system. The charging device of the rail vehicle comprises a charging knife and charging rails; the charging knife is electrically connected with an energy storage device of the rail vehicle; the charging rails comprise first charging boards and second charging boards; the first charging boards and the second charging boards are arranged in a spaced manner to construct a groove body; and the first charging boards and the second charging boards both comprise multiple sections of section boards which are electrically connected with each other in sequence in the running direction of the rail vehicle. According to the charging device of the rail vehicle, when the charging knife enters into the groove body, the charging knife is electrically connected with the first charging boards and the second charging boards to charge the energy storage device of the rail vehicle. Moreover, the multiple sections of section boards can prolong the contacting distances between the charging knife and the first charging boards and the contacting distances between the charging knife and the second charging boards, and thereforethe rail vehicle can be enabled to charge enough electric quantity into the energy storage device in the running process.

The invention discloses a novel heat exchanger side plate for an air conditioner. The novel heat exchanger side plate comprises a connecting plate connected with a warping sheet and a fixed plate fixed with an outer base, wherein the fixed plate is connected with one end of the connecting plate; the connecting plate is of a double-layer sandwich structure; and a truss structure is adopted in a sandwich. According to the novel heat exchanger side plate disclosed by the invention, the connecting plate adopts the double-layer sandwich structure, so that a contact distance between the warping sheet and the outer part is increased, and connecting weight is not increased; and the truss structure is adopted inside the sandwich, so that tolerable impact force is improved, and certain buffer effectis achieved, and therefore, the inner heat exchanger warping sheet is protected from being damaged.

The invention provides a diaphragm negative electrode material with an integrated structure and a preparation method of the diaphragm negative electrode material. The preparation method comprises thesteps of preparing a high-molecular polymer solution and putting the high-molecular polymer solution into an injector of an electrostatic spinning device; placing the metal negative electrode in the electrostatic spinning device; setting the power supply voltage of electrostatic spinning to be 5 to 30kV, wherein the distance between the injector and the metal negative electrode is 5 to 50 cm; controlling the flow rate of the high-molecular polymer solution to be 300 to 1000 [mu] L / h; and preparing a high-molecular diaphragm layer on the surface of the metal negative electrode through electrostatic spinning to obtain the diaphragm negative electrode material with the integrated structure. The polymer diaphragm layer has good flexibility and controllable porosity, and is combined with the metal negative electrode, so that the contact between the diaphragm and the negative electrode is increased, the volume expansion pulverization of the negative electrode in the use process is inhibited,the metal negative electrode is prevented from forming burrs to pierce the diaphragm, and the safety performance and coulombic efficiency of a secondary battery are improved.

The invention relates to an Al / CuO / porous graphene nano-composite energetic material and a preparation method thereof and belongs to the technical field of preparation of nano-composite energetic materials. According to the method, induced assembly is performed by means of high adsorption power of porous graphene, so that the contact distance between powdered Al and CuO is increased, mass transfer distance is reduced, meanwhile, the contact area of powdered Al and CuO is increased, the chemical kinetic action of the material is enhanced, energy release rate is controlled, combustion speed is increased, combustion efficiency is improved, specific impulse is improved, and detonation reaches a more ideal state; the preparation process is convenient to operate, the method is simple, safe and low in cost, and product purity is high.

The invention provides a preparation method of a ternary lithium battery material, comprising the following steps: A) ball milling and activating nickel source, cobalt source and manganese source to obtain a mixed material; B) mixing the mixed material, lithium source, flux, The compound of M is mixed with polyvinyl alcohol, spray-dried and pressed to obtain a block; C) the block is roasted and pulverized to obtain a single-crystal-like ternary material; D) the single-crystal-like ternary material is obtained Grinding and roasting the cladding source to obtain the ternary lithium battery material; the cladding source is LiCO 3 and LiOH·H 2 One of O and Al 2 o 3 , ZrO 2 and TiO 2 one or more of. The present application also provides the above-mentioned ternary lithium battery material and a lithium ion battery. The preparation method of the ternary lithium battery material provided by this application synthesizes a single-crystal ternary positive electrode material at one time through the self-fusion of raw materials. The particle size is large and uniformly distributed, and the high-temperature storage performance and high-temperature cycle performance of the positive electrode material are excellent.

Provided is a switching device with amplified clearance between open contacts according to needs. The switching device comprises a supporting piece arranged in a shell, a contact reset spring and an actuator, wherein two ends of the contact reset spring are connected with the shell and the supporting piece. Two moving contacts move along a contact central line C-C in a linear mode with the supporting piece. A motion conversion device comprises a motion conversion piece and a reduction spring, the motion conversion piece is arranged on the shell through pivoting of a rotating pair, and two ends of the reduction spring are connected with the motion conversion piece and the shell. The motion conversion piece is provided with at least one input motion actuation portion matched with an actuation piece in a contacting mode and at least one motion output actuation portion matched with the supporting piece in a contacting mode, the force arm distance a between the input motion actuation portions and a rotating center of the rotating pair is smaller than the force arm distance b between the motion output actuation portions and the rotating center, the direction of elasticity Q of the contact reset spring is the same as breaking motion direction of the supporting piece, therefore the moment m actuated on the motion conversion piece by the elasticity Q through the supporting piece is smaller than the moment M actuated on the motion conversion piece by the elasticity of the reduction spring, and directions are opposite.

The invention discloses a double-station directly-operated switch. The double-station directly-operated switch comprises a power device, a pedestal and a directly-operated part which is arranged on the pedestal in a way of sliding leftwards and rightwards, wherein at least one movable end is fixedly arranged on the directly-operated part; each movable end comprises an over-travel spring, a positioning guide seat as well as left and right movable end contacts arranged oppositely; the over-travel spring is pressed between the two movable end contacts; left and right static ends are correspondingly arranged on each movable end; each movable end constructs a contact group together with the left and right static ends which are arranged correspondingly; the static ends are fixed on the pedestal; the movable ends are positioned between the two corresponding static ends; when the movable ends slide leftwards and rightwards along with the directly-operated part, the top ends of the small ends of the movable end contacts are pressed against the static end contacts of the static ends. The double-station directly-operated switch has the advantages of realization of large contact span, direct and reliable transmission, high switching speed, small size and low cost, is suitable for narrow spaces and integrated design of complete set of equipment, and is particularly suitable to be taken as a tap switch inside an oil-immersed transformer.

The invention discloses a lime mud for purifying sewage and stabilizing a water body structure, which is prepared by mixing a lime slurry and ferrous sulfate uniformly and pulverizing a mixture to 38micrometers or less. The lime mud is diluted by the magnetized water and then put into the water body to be rapidly emulsified, which can fundamentally solve the problem of calcium and magnesium ion condensation. The lime mud is a water body stabilizer that permanently controls the quality of the water body and keeps the water clear, can be used to improve the structure of the water body, can meetthe long-term treatment of the water body, and opens up a novel way of thinking for sewage treatment.

The invention discloses an ecological protection forest protection equipment, which specifically includes: a fixed seat plate, the fixed seat plate has a circular plate body, and is characterized in that: and a through protective groove opened on the top of the circular plate body, and installed The thermal measurement device that runs through the inner cavity of the protective groove, the support column installed on the top of the circular plate body, and the infusion tube installed on the support column above the thermal measurement device, and installed on the A control device on the top of a support column, and a carrying device installed on the top of the control device, the invention relates to the technical field of ecological protection. The internal thermal measuring device is protected through the opening of the protective groove to prevent the components from being damaged by the creatures in the forest during use. At the same time, the cooperation with the fixed seat plate is beneficial to reduce the weight of the equipment itself and facilitate installation Handling and placement.

The invention discloses a lifting bracket for building. The lifting bracket for building comprises a base, a fixed column is fixedly connected to the right side of the upper surface of the base, a placing plate is fixedly connected to the upper surface of the fixed column, and a positive and negative rotation motor is fixedly connected to the side surface, away from the fixed column, of the placing plate. A rotary rod is fixedly connected to the output end of the positive and negative rotation motor, and a first gear is fixedly connected to the end, away from the positive and negative rotationmotor, of the rotary rod. A second gear is arranged on the side surface, away from the rotary rod, of the first gear, and the bottom of the left side surface of the first gear meshes with the right side surface of the second gear. A threaded rod is fixedly connected to the bottom surface of the second gear, a bearing is fixedly connected to the upper surface of the base, and one end of the threaded rod is fixedly connected with an inner ring of the bearing. According to the lifting bracket for building, the lifting height of the lifting bracket for building can be realized through structuralmatching, the using value of the lifting bracket for building maintenance is improved, and wide popularization is facilitated.

The invention provides a foaming overflow preventing device for a water heater so as to solve the problems existing in the prior art, and relates to the technical field of water heaters. The device solves the technical problem that the overflow preventing effect of a foaming overflow preventing structure of an existing water heater is not ideal. The device comprises a plugging main body. The wallface, close to a filling opening, of the plugging main body extends in the axial direction of the plugging main body to form an overflow preventing reinforcing structure. After the foaming overflow preventing device for the water heater is installed in a shell of the water heater, the contact area between the plugging main body and the shell of the water heater is increased through the overflow preventing reinforcing structure. The contact distance in the disassembling and assembling direction of the plugging machine body is increased, thus friction force between the plugging main body and theshell of the water heater is increased, reliability of connection between the plugging main body and the shell of the water heater is increased, occurrence of foaming overflow is reduced, and the overflow preventing effect is good.

Provided is a switching device with amplified clearance between open contacts according to needs. The switching device comprises a supporting piece arranged in a shell, a contact reset spring and an actuator, wherein two ends of the contact reset spring are connected with the shell and the supporting piece. Two moving contacts move along a contact central line C-C in a linear mode with the supporting piece. A motion conversion device comprises a motion conversion piece and a reduction spring, the motion conversion piece is arranged on the shell through pivoting of a rotating pair, and two ends of the reduction spring are connected with the motion conversion piece and the shell. The motion conversion piece is provided with at least one input motion actuation portion matched with an actuation piece in a contacting mode and at least one motion output actuation portion matched with the supporting piece in a contacting mode, the force arm distance a between the input motion actuation portions and a rotating center of the rotating pair is smaller than the force arm distance b between the motion output actuation portions and the rotating center, the direction of elasticity Q of the contact reset spring is the same as breaking motion direction of the supporting piece, therefore the moment m actuated on the motion conversion piece by the elasticity Q through the supporting piece is smaller than the moment M actuated on the motion conversion piece by the elasticity of the reduction spring, and directions are opposite.