126results about How to "Extend your life" patented technology

The invention relates to the technical field of a semi-trailer, and in particular relates to a semi-trailer girder and a semi-trailer. The semi-trailer girder comprises a lower rear wing board and a hanging piece; the lower rear wing board comprises a flat panel part of the lower rear wing board and two side panel parts of the lower rear wing board, the two side panel parts of the lower rear wing board are located on the two sides facing the flat panel part of the lower rear wing board, a structure whose cross section is a U shape is formed; the opening of the U-shaped lower rear wing board is arranged facing upwards or downwards, and the flat panel part of the lower rear wing board is connected with the hanging piece. The semi-trailer comprises the semi-trailer girder and a motor tractor, and the semi-trailer girder is connected with the motor tractor. The semi-trailer girder and the semi-trailer make the connection part of the lower rear wing board and the hanging piece to be not easy to break, so that life expectancy is extended.

The invention discloses a wave power mechanism which comprises a box, a connecting shaft and a power shaft. The connecting shaft and the power shaft are arranged on the box, the connecting shaft is connected with a gear, the power shaft is connected with a first overrun clutch and a second overrun clutch, the gear and the first overrun clutch are engaged, the first overrun clutch and the second overrun clutch are engaged through a bevel gear mechanism, and the connecting shaft penetrates through the box to be connected with a floating arm in the radial direction. The wave power mechanism is of a pure mechanical structure, and has the advantages of being reliable, simple, small in number of kinematic pairs, small in size, easy to maintain and long in service life. The gravity of a floating box and the buoyancy of seawater are utilized for driving the floating arm to do vertical undulatory motion to form reciprocating motion, the lever force of the reciprocating motion is converted into high-speed one-way rotation to drive a generator to generate power through the structure, intermittence, joints and idle stroke are avoided, synchronization is not needed, and the wave power mechanism is totally closed, free of noise and pollution, low in manufacturing and mounting cost and high in power generation efficiency.

The invention belongs to the field of scaffold steel pipe hoisting equipment for building, and particularly relates to scaffold steel pipe hoisting equipment for building. The scaffold steel pipe hoisting equipment comprises a shell, hoisting components, clamping components, lubricating components and a safety device. The scaffold steel pipe hoisting equipment is characterized in that the shell is symmetrically provided with hooks, gear set box bodies are arranged in the direction, close to the ground, of the hooks, and battery bin box bodies are arranged in the direction, close to the ground, of the gear set box bodies; the hoisting components are arranged in the gear set box bodies and between the gear set box bodies on the two sides, and power is provided through electric drive; the clamping components are arranged in the direction, close to the ground, of the battery bin box bodies, and steel pipes are clamped so that the hoisting components can conduct hoisting; the lubricating components are arranged on the upper sides of battery bins, and the hoisting components are protected and made to work normally; and the safety device is arranged between the gear set box bodies, and when the hoisting components fail, the safety device makes the steel pipes fall slowly.

The invention relates to a petroleum fishing device pipeline for oilfield drilling and a preparation process thereof. The petroleum fishing device pipeline for oilfield drilling comprises an inner-layer pipe, an insulating layer and an outer-layer pipe, and the insulating layer is compounded on the inner-layer pipe and located between the inner-layer pipe and the outer-layer pipe; the inner-layerpipe comprises an inner steel pipe, a liquid silica gel layer and a heating tape layer; the liquid silica gel layer is compounded on the outer wall of the inner steel pipe; the heating tape layer is compounded on the outer wall of the liquid silica gel layer; the outer-layer pipe comprises an outer steel pipe and a second heat conduction layer, and the second heat conduction layer is composited tothe outer wall of the outer steel pipe. The petroleum fishing device pipeline for the oilfield drilling has the effects that the temperature of petroleum passing through the pipeline can be adjustedand controlled, the petroleum conveying temperature is stabilized to be 60 DEG C, and the oil fishing conveying operation efficiency is improved. The preparation process of the petroleum fishing device pipeline for the oilfield drilling comprises the following steps that the inner-layer pipe is prepared; the insulating layer is wound on the outer wall of the inner-layer pipe to obtain an inner steel pipe semi-finished product; the outer steel pipe is mounted on the outer wall of the inner steel pipe semi-finished product in an embracing mode; the outer steel pipe is coated with a first heat-conducting layer; aging, screening and inspecting are conducted to obtain a qualified product. The preparation method has the advantage of batch production.

The invention discloses a high-adhesion super-hydrophobic photocureable coating and a preparation method thereof.The preparation method comprises the following steps: 1, mixing urethane acrylate oligomer, a photoinitiator, trioctyl phosphite and filler to be uniform and applying the mixture to the surface of a base material; 2, irradiating the coating for 1-10 seconds under ultraviolet light withthe intensity of 15-30 mw/cm<2> to obtain an incompletely cured coating, closing the ultraviolet light, spraying a layer of inorganic nanoparticle dispersion liquid on the surface of the coating, andirradiating for 10-30 seconds by using the ultraviolet light with the intensity of 15-30 mw/cm<2> to completely cure the coating, thereby obtaining the high-adhesion super-hydrophobic photo-cured coating. According to the obtained coating, the contact angle is increased, the anti-pollution capacity is improved, and the adhesive force of the coating on the surface of a base material is not reduced.

The invention relates to an improved type sucker on a plastic sucking machine and belongs to the technical field of plastic sucking machines. The improved type sucker comprises a plurality of negative pressure suction conduits; a plurality of inflation conduits are fixedly connected with a plurality of negative pressure suction conduits respectively; each negative pressure suction conduit is composed of a fixed tube (3), a retainer ring, a spring, a suction tube and a suction mouth; each fixed tube is fixedly connected with the corresponding inflation conduit; each inflation conduit sleeves the corresponding suction tube; each suction mouth is fixedly connected with the lower end of the corresponding suction tube and communicates with the corresponding suction tube; each retainer ring sleeves and is fixedly connected with the corresponding suction tube; each spring sleeves the corresponding suction tube and is arranged between the corresponding fixed tube and the corresponding retainer ring; the inside diameter of each spring is larger than those of the corresponding fixed tube and the corresponding retainer ring; and the outside diameter of each spring is larger than those of the corresponding fixed tube and the corresponding retainer ring. The improved type sucker is of a simple structure and is suitable for the irregular surface of a piece to be fetched with strong applicability by improving the negative pressure suction conduits with automatic adjustable lengths.

The invention relates to a hard alloy cutter material for high-speed milling and a manufacturing method thereof. The hard alloy cutter material comprises a binding phase, a hard phase and an inhibitor. The mass fraction of the hard phase is 80 wt%-88 wt%, the mass fraction of the binding phase is 8.5 wt%-12.5 wt%, the mass fraction of the inhibitor is 1.5 wt%-5 wt%, and the hard phase comprises WC and TiC. The wear resistance required by the milling linear speed is improved by adding fine grain WC into traditional coarse grain WC, meanwhile, the structure morphology of a matrix is adjusted by continuously adjusting the proportion of coarse and fine tungsten carbide, and the service life of the hard alloy cutter material is prolonged by 20%-50% compared with a traditional grain WC hard alloy cutter material under the condition of common cutting speed; and under the condition of high-speed cutting, the service life is prolonged by 50% or above.

The invention discloses a steam generation device and aims to provide a steam generation device provided with a water shortage detection device. The water shortage detection device judges precisely, has low cost, quick response and a long service life, and can remind a user to clean heating tubes so as to avoid heating without water. The embodiment of the invention provides the steam generation device which comprises a water distribution valve (1) and the heating tubes (2) which are transparent or partially transparent at the lower part, wherein the lower end of a lower electrode (21) of each heating tube (2) is provided with a light-emitting device (111) and a light sensitive element (121); and light emitted by the light-emitting device (111) is refracted by at least one of the heating tubes (2) and then reaches the light sensitive element (121) without passing through an axle center of the heating tube (2). The invention also discloses a household electric steam box which comprises the steam generation device.

The invention discloses a flat squeezing barrel for eliminating concentrated stress of an inner barrel and a manufacturing method for the flat squeezing barrel. The flat squeezing barrel consists of an outer barrel (401), a middle barrel (402), a soft metal layer (403) and the inner barrel (404), wherein the outer barrel (401) and the middle barrel (402) are in interference fit; a thickness-variable soft metal layer (403) is arranged between the inner barrel (404) and the middle barrel (402); the soft metal layer (403) is sealed in a closed cavity by two ends in an interference fit manner. The manufacturing method comprises the steps of manufacturing blanks of the outer barrel (401) and the middle barrel (402) through forging or ring rolling, performing processing through a large-size lathe, and assembling the outer barrel and the middle barrel by a hot assembling technology; casting the soft metal layer in the cavity formed in the inner barrel to guarantee the compactness of soft metal casting; after casting is finished, processing an inner cavity of the inner barrel (404) through a numerical control machine tool, and processing the outer diameter of the inner barrel through cooperative processing so as to meet the requirement on interference amounts of sealing parts at two ends. The service life of the whole flat squeezing barrel can be effectively prolonged.

The invention discloses a mining conveyor belt material and a preparation method thereof, and belongs to the technical field of mining conveyor belts. The mining conveyor belt material comprises the following components: 28-38 parts of rubber; 9-15 parts of glass fiber; 4-6 parts of composite ceramic powder; 12-16 parts of a protective agent; 3-6 parts of an active agent; 16 to 22 parts of auxiliary materials; and 3-5 parts of a vulcanizing agent. According to the mining conveyor belt material and the preparation method thereof, through addition and fusion of the composite ceramic powder, theflame retardant and the protective agent, complete performance is formed after molding, the short plate of the conveyor belt material is improved, the conveyor belt material has high-strength, flame-retardant and cold-resistant effects at the same time, the overall performance of the conveyor belt is improved, when the conveying belt is used in cooperation with mineral equipment, the service lifecan be prolonged, the use safety of the conveying belt is guaranteed, economic waste is reduced, and the use range is wider.

The invention relates to a single-window double-channel infrared detection method. The single-window double-channel infrared detection method comprises the following steps: infrared light which is emitted by an infrared light source and is reflected by an optical cavity is emitted to a window light filter of an infrared detector; the infrared light enters the detector and is emitted to a semi-reflecting semi-permeable spectroscope which is placed at 45 degrees; the semi-reflecting semi-permeable spectroscope divides the infrared light beam into two parts; one part is reflected to a reference channel narrowband light filter and then arrives at a reference channel sensitive component; the other part is emitted to a measuring channel narrowband light filter through the semi-reflecting semi-permeable spectroscope and finally arrives at a measuring channel sensitive component; when the light path is polluted or the infrared light source is weaken, the intensity of the light entering the detector is weakened, the intensity of the light arriving at the reference channel and the measuring channel after light splitting is reduced in proportion, the ratio is not changed and the method can beused for compensating zero drift.

The invention relates to a full slit nut with a limit boss for supporting an anchor rod, and mainly solves the technical problem that the potential safety hazard is caused by failure of anchorage force because a support plate is annularly stressed and cracked when the conventional anchor rod is fastened by a nut and the support plate. The slit nut with the limit boss for supporting the anchor rodcomprises a nut body with internal threads, wherein the nut body is provided with a hexagon and a conical clamping part; the hexagon is provided with the limit boss, so that the support plate is prevented from being cracked due to overhigh annular stress; and the nut body is provided with a clamping slit which passes through one side of the nut body, so that the phenomenon that a semi clamping slit is subjected to stress concentration easily and cracked in the prior art is avoided. The full slit nut is suitable for fastening anchor rods for a mine shaft and tunnel support, and has the advantages that: the service life is long, the annular stress of the support plate is constant, the strength requirement on the support plate is reduced, the manufacturing cost of the support plate is reduced, support safety is improved, and the like.

The invention discloses a space-wedged-type pressurizing mechanism and a combined-type friction transmission wheel with the same. The space-wedged-type pressurizing mechanism mainly comprises a rotary guide mechanism G, wherein the rotary guide mechanism G is provided with a guide piece and a middle part which rotate around the same axis and are respectively provided with a guide surface; and when the rotary guide mechanism G is meshed, a rising angle Lambda of the abutting part between the guide surfaces of the guide piece and the middle part is more than Zetamax and is less than Ximin, wherein the Zetamax and the Ximin are respectively the maximum one in all minimum values and the minimum one in all maximum values of the rising angle Lambda which ensures that a guide friction pair formed at the abutting part can be self-locked. The friction transmission wheel provided with the pressurizing mechanism has the advantages that the axial pressing force is less than that of the prior art, but the transmission efficiency is higher, the working reliability is higher, the working life is longer and the mechanical wear is less.

The invention discloses an ink-jet-printing-technology-based preparation method of flexible wireless pressure detection system. The preparation method is characterized in that metal graphical processing of a flexible substrate surface is realized by ion exchange based on an all-wet chemical process; a flexible pressure sensor and a flexible antenna are prepared successively to realize signal transmitting and receiving; and then integration is carried out to form a flexible wireless pressure-sensitive sensor. Mechanical signals can be collected, transmitted and processed. During the metal graphical process, a common ink-jet printer can be used for printing with the low cost; and the obtained silver circuit is continuous and compact and the conductivity is high. The bonding force between a pressure sensing unit, the silver circuit, and the flexible substrate is strengthened; the pressure response frequency reaches 10000 hertz; and the pressure response range is from 10 pascal and 1 megapascal. During the flexible antenna signal collection and transmission, pressure response and transmission can be completed within 0.02 seconds. The flexible equipment has high stability; and the bending fatigue test demonstrates that the stability of the circuit characteristic of the system is kept after repeated 10000-times testing.

The invention discloses a liquid charging forming mold. The mold comprises an upper mold, a lower mold, a liquid charging cylinder, a locking rod and pressure bearing balance blocks; a fixed hole is formed in the upper mold, an upper mold cavity is fixedly formed in the upper mold, a lower mold cavity is fixedly formed in the lower mold, during mold assembly, a complete mold cavity is formed, theliquid charging cylinder is fixedly arranged on the lower mold, and is provided with a liquid conveying pipe, during mold assembly, the liquid conveying pipe is in sealed communication to the mold cavity, the locking rod is arranged on the lower mold and is inserted into a fixed hole during mold assembly, and the upper mold and the lower mold are locked; the pressure bearing balance blocks are arranged on the upper mold and the lower mold, the pressure bearing balance blocks on the upper mold are distributed on the periphery of the upper mold cavity, the pressure bearing balance blocks on thelower mold are distributed on the periphery of the lower mold cavity, during mold assembly, the locking rod is inserted into the fixed hole of the upper mold, the upper mold and the lower mold are fixed, giant pressure in the liquid charging process can be borne, the pressure bearing balance blocks can ensure that the pressure of the upper mold can be effectively dispersed into a mold base, the borne pressure of the unit area can be reduced, quality of a stamped workpiece is ensured, and the service life of the mold is prolonged.

The invention relates to a multifunctional saw which comprises an H-shaped saw body with opening gaps formed in the two sides, a first saw blade and a second saw blade, wherein the first saw blade and the second saw blade are arranged in the opening gaps in the two sides respectively. The two ends of the first saw blade are rotationally connected to the two ends of the opening gap in the corresponding side through first connecting seats respectively. Rotary shafts with external threads are fixed to the outer sides of the first connecting seats, penetrate the side walls of the saw body and are in threaded connection with locking nuts in a matched manner. The two ends of the second saw blade are longitudinally connected to the two ends of the opening gap in the corresponding side in a sliding manner through second connecting seats respectively, sliding blocks are fixed to the outer sides of the second connecting seats, longitudinal sliding grooves corresponding to the sliding blocks are formed in the inner side wall on the corresponding side of the saw body, fixing grooves communicated with the sliding grooves are formed in the positions, corresponding to the sliding grooves, are formed in the top face on the corresponding side of the saw body, uprights with external threads are fixed to the sliding blocks, and the uprights penetrate the fixing grooves to be in threaded connection with fastening nuts in a matched manner. By the adoption of the multifunctional saw, timely continuous cutting operation can be conveniently guaranteed, and cutting adaptability is improved.

The invention discloses a mobile phone self-charging system based on a friction nano-generator, which comprises an energy collection unit, a management circuit, an energy storage unit and a USB charging interface connected in sequence, wherein the energy collection unit comprises a first power generation component and a second power generation component which are connected through a plurality of elastic pieces; the first power generation component is composed of a first supporting layer, a first elastic layer and a first electrode layer which are sequentially bonded from top to bottom; the second power generation component is composed of a second supporting layer, a second elastic layer, a second electrode layer and a first friction layer which are sequentially bonded from bottom to top; the first supporting layer and the second supporting layer are connected through a plurality of elastic pieces; and a gap is formed between the first power generation component and the second power generation component. The mobile phone self-charging system has the advantages of simple structure, light weight, low cost, portability and the like. Mechanical energy of a human motion is effectively collected and converted into electric energy, and a mobile phone can be charged anytime and anywhere. And the limitation of power failure and remote mountainous areas on mobile phone charging is brokenthrough.

The invention provides a method for manufacturing composite sleepers of prestressed glass reinforced concrete. The method comprises the following steps of: (1) coating a pressure-resistant material on the two ends of a glass reinforced rib firstly so as to form anchoring ends after the pressure-resistant material is solidified, then fixing the glass reinforced rib at the two ends of a stretch-draw machine through the anchoring ends so as to carry out stretch-draw on the glass reinforced rib, installing stirrups, assembling an inner core mold of a sleeper and embedded parts, carrying out filling, maintenance and place-draw on the obtained product, and removing the mold, thereby preparing an inner core of the sleeper; (2) pre-soaking glass fiber or glass fiber fabrics by using rigid-foamed polyurethane resin, and then wrapping the glass fiber or glass fiber fabrics on the outside surface of the inner core of the sleeper; and (3) carrying out curing on the obtained object, and finally, obtaining the composite sleeper. The invention also provides a composite sleeper of prestressed glass reinforced concrete, manufactured by using the method. According to the invention, the problem that a glass reinforced rib is easy to be cut off when clamped by using a clamp because the shear strength of the glass reinforced rib is low is solved, thereby achieving an effect of replacing ordinary reinforced ribs in sleepers with glass reinforced ribs, and improving the maximum loads and insulating properties of the sleepers.

The invention discloses a servo motor testing system. The servo motor testing system includes an industrial control computer, a motor driver to be tested, a motor drive power supply, a data acquisition module, a power analyzer, and a load motor driver respectively connected to the industrial control computer. The motor driver under test is electrically connected to the motor driver, the other end of the data acquisition module is connected to the motor under test, the power analyzer is connected to the rotational speed torque driver, and the load motor driver is respectively connected to the load A motor and an energy feedback load, the power analyzer is electrically connected to the motor under test. Among them, the motor and drive analyzer uses 3 power boards to test the input electrical parameters of the motor under test, and the motor test board is used to test the output torque and speed of the motor. The servo motor achieves the effect of high control precision and fast response speed .

The invention discloses a method for preparing a catalyst for vinyl polymerization. The catalyst comprises a supported catalyst component A and cocatalyst components B1 and B2, wherein the component A is a supported catalyst formed by loading a titanium compound on the surface of an inorganic mineral filler subjected to deoxidization and dehydration treatment; the cocatalyst component B1 is an alkyl magnesium compound with the general formula of R2Mg or (R2Mg).nAlR3 or a complex of the alkyl magnesium compound and an alkyl aluminum compound, the cocatalyst component B2 is an alkyl aluminum compound with the general formula of RnAIX3, and a Mg/Al molar ratio of the component B1 and the component B2 is 10:1-1:1,000; and an Al/Ti molar ratio of the supported catalyst A and the cocatalyst B2 is 2:1-200:1. The invention has the advantages that: the catalyst has high catalytic activity, long service life and stable polymerization property, and a vinyl product has high molecular weight.

Provided are a vacuum pump and a heating device therefor that are suitable for extending the lifetime of a heating means used as a countermeasure to prevent product accumulation in a vacuum pump. Thevacuum pump evacuates gas using rotation of a rotary body and includes an exhaust flow path for evacuating the gas and a heating means (HM) for heating the exhaust flow path. The heating means (HM) isconstituted by connecting a plurality of resistance heating bodies (RE) in parallel with a pair of wiring lines (WL1,WL2). In addition, the heating means (HM) is provided with: a current measurementmeans (101) that measures the sum of the values of currents flowing through the plurality of resistance heating bodies (RE); a determination means (102) that determines malfunction states of the plurality of resistance heating bodies (RE) on the basis of measurement values obtained by the current measurement means (101); and an output means (103) that outputs malfunction states determined by the determination means (102).