49results about How to "Lightweight and flexible" patented technology

The invention discloses a graphene oxide reinforced composite carbon nanopaper and a production method thereof. The above carbon paper includes: a carbon nanotube substrate including a skeleton network mainly formed by carbon nanotubes; and at least an enhanced network for connecting the carbon nanotubes in the skeleton network, wherein the enhanced network is mainly formed by graphene oxide dispersed in the skeleton network. The production method comprises the following steps: uniformly mixing a carbon nanotube dispersion with a graphite oxide graphene dispersion filtering to form a film, and peeling the formed film from a substrate filter film in order to obtain a target product. The composite carbon nanopaper has greatly improved mechanical properties, has no apparent loss of the excellent electrical conductivity or thermal conductivity, fully solves the problem of poor mechanical strength of present carbon tube nanopaper, and has the characteristics of electrical conduction, thermal conduction, light weight, flexibility and high efficiency. The production method has the advantages of simplicity, easy operation, good controllability, low cost and wide application prospect.

The invention relates to a wireless remote control movable automatic filling machine which comprises a wireless remote control receiving device (2), a wireless remote control sending device (1) and a automatic measuring device (3), wherein wireless remote control sending device (1) sends the signal to wireless remote control receiving device (2); automatic measuring device (3) outputs the raw materials which needed to charge.

The invention discloses an excitation road deflection tester, which belongs to the field of testing road deflection, the structure of the invention comprises a guide bar, a heavy hammer, a release mechanism, a load transfer mechanism, a level transfer frame, a center displacement sensor, an auxiliary displacement sensor and a load sensor, and is characterized in that a detonative power generative mechanism is arranged on the upper side of the load transfer mechanism, and the initiation of the detonative power generative mechanism is achieved through the impact of the heavy hammer. Compared with the prior art, the excitation road deflection tester of the invention has the characteristics of flexible moving, big loading force range and convenient using and the like, is capable of being widely used to test the road deflection indexes, and is also capable of being used to test the indexes of non-deform ability of reaction structures which are the subgrade resilient modulus and the like.

The invention belongs to the technical field of lithium metal batteries, and particularly discloses a preparation method of a metal oxide composite self-supporting heat-conducting carbon film. The method comprises the following steps of (1) cracking a polymer to obtain a polymer carbon material, mixing the polymer carbon material with graphene, and pressing to form a film, namely obtaining the self-supporting heat-conducting carbon film; and (2) carrying out coordination reaction on a solution containing the self-supporting heat-conducting carbon film, an M metal source and an organic ligand to obtain a metal organic framework-self-supporting heat-conducting carbon film material, and then carrying out carbonization treatment to obtain the self-supporting metal oxide composite heat-conducting carbon film. The invention also provides a negative electrode obtained by filling the metal oxide composite self-supporting heat-conducting carbon film with lithium and an application method of thenegative electrode in a lithium metal battery. The material obtained by the technical scheme provided by the invention has excellent performance, and can significantly improve the long cycle performance of the lithium metal battery.

The invention discloses a flexible urea resin grinding apparatus. The flexible urea resin grinding apparatus is prepared by adopting the following raw materials in parts by weight: 1000 parts of urea-formaldehyde resin adhesive, 800 to 1200 parts of silicon carbide, 50 to 150 parts of PVA solution with mass concentration of 2 to 8 percent, 5 to 20 parts of tributyl phosphate, 5 to 20 parts of formalin, 0.1 to 1 part of sodium dodecyl sulfate, 10 to 60 parts of solidifying agent, 20 to 100 parts of hemihydrate gypsum and 50 to 200 parts of water. In addition, the invention also discloses a preparation method of the grinding apparatus. The flexible urea resin grinding apparatus has characteristics of light weight, flexibility, high grinding efficiency and the like; the grinding apparatus is good in self-sharpening property, and the surface of a machined object is unlikely to burn; the grinding apparatus has certain elasticity and is particularly suitable for finely grinding and polishing metals such as magnesium, aluminum, copper and stainless steel.

The invention relates to the technical field of phenolic resin composite materials, and in particular relates to a preparation method of a fiber-reinforced phenolic resin composite material and the fiber-reinforced phenolic resin composite material. The preparation method of the fiber-reinforced phenolic resin composite material provided by the invention comprises the following steps: firstly, preparing a toughening agent solution and a phenolic resin solution, then carrying out pre-impregnation treatment on fibrofelt by using the toughening agent solution, drying and curing to obtain toughening agent modified fibrofelt, and finally, impregnating the toughening agent modified fibrofelt by using the phenolic resin solution, and drying to obtain the fiber-reinforced phenolic resin compositematerial. The fiber-reinforced phenolic resin composite material overcomes the defects of strong rigidity and poor flexibility of the traditional fiber-reinforced phenolic composite material, the material density is reduced, and the preparation method has the advantages of low equipment complexity requirement, easy operation, stable process and high production efficiency, and is suitable for large-scale industrial production.

The invention discloses a flexible lithium metal battery negative electrode, which comprises a current collector, a lithium-philic substance and lithium metal, wherein the lithium-philic substance and the lithium metal are loaded on the current collector; the lithium-philic substance is a substance capable of reducing the nucleation barrier of the lithium. The substance capable of reducing the nucleation barrier of lithium is loaded on the current collector, so that on one hand, the nucleation barrier of lithium can be reduced, the uniform compounding of lithium metal and the current collector is realized, and on the other hand, as a rivet-like effect, the binding force of lithium metal and the current collector can be enhanced, and the preparation of the flexible lithium metal electrode is realized. The invention also provides a preparation method of the flexible lithium metal battery negative electrode. According to the method, the lithium-philic substance can play a role in inhibiting the growth of lithium dendrites and play a rivet role in the negative electrode of the flexible lithium metal battery. The invention also discloses a lithium metal battery. The lithium metal battery has the advantages of reduced hidden trouble of short circuit, improved coulombic efficiency and prolonged service life.

The invention discloses a method for preparing an active metal oxide-carbonized bacterial cellulose electrode material. The method comprises firstly performing a surface hydrophilic treatment on the carbonized bacterial cellulose by electrochemical oxidation; immersing an ethanol solution of active metal nitrate; volatilizing the ethanol in the material; then introducing an ammonia gas into a nitrate-carbonized bacterial cellulose film to obtain a light and flexible active metal oxide-carbonized bacterial cellulose film composite material by vapor deposition. In the composite material prepared by the method, the nickel oxide has high dispersibility such that the agglomeration of active materials such as the nickel oxide can be inhibited in the three-dimensional structure of the carbonized bacterial cellulose. The method is suitable for the field of supercapacitors.

The invention discloses a heat-preservation thermal-insulating plate which comprises the following raw materials in parts by weight: 3-50 parts of silicon dioxide aerogel, 3-50 parts of ceramic fiber, 30-150 parts of a solvent, 1-10 parts of a dispersing agent and 100-200 parts of an adhesive. The heat-preservation thermal-insulating plate has the advantages that on one hand, by virtue of physical properties of the silicon dioxide aerogel, the raw materials such as the ceramic fiber are added to prepare the heat-preservation thermal-insulating plate, so that the prepared heat-preservation thermal-insulating plate is high in pressure resistance, high in breaking strength, excellent in fire resistance and high in durability; on the other hand, the heat-preservation thermal-insulating plate is prepared from the raw materials by using a simple preparation method, on-scale production can be facilitated, the thermal-insulating property of the heat-preservation thermal-insulating plate is excellent, that is, is less than or equal to 22 Mw / m*K, and thus the prepared heat-preservation thermal-insulating plate has the characteristics of being high in fire resistance and hydrophobicity, light in weight and high in flexibility and the like.

The invention discloses an online mobile intelligent oil detection and purification device. The device comprises a filtration and purification device and an intelligent detection system; the filtration and purification device and the intelligent detection system are connected through an oil pipe; the filtration and purification device comprises a frame main body, an oil tank, a motor pump set I, a pre-filter, a fine filter, a three-way valve and an automatic recycling pipeline; and the intelligent detection system comprises a shell, a motor pump set II, an oil particle detection sensor and a PLC touch screen all-in-one machine. The oil liquid detection and purification device is flexible and light in movement, has two functions, namely oil liquid detection and purification at the same time, ensures that hydraulic oil meets the requirement for cleanliness of a vehicle suspension system and a steering system, and reduces impurities generated in a vehicle running process.

The invention relates to a smoke removing machine for welding. The smoke removing machine for welding comprises a purification main box, movable wheels, a smoke dust filter drum, a motor, a universal gas suction arm, a gas suction cover, a fixing flange and a switch and is widely applied to the fields of manufacturing of electronic and electrical products, LEDs, toys, precise hardware and automobiles, producing of furniture, electroplating, laser operation, manufacturing of various decorations, metal polishing, spraying, building, welding, medical care and the like.

The invention discloses a fishing buoy with a hollow buoy body internally provided with a balance weight capable of sliding along a central rod. The fishing buoy is provided with the buoy body, a buoy rod and floating hammers. An upper hole is formed in the upper end of the buoy body, an upper sealing ring is arranged in the upper hole, a lower hole is formed in the lower end of the buoy body, and a lower sealing ring is arranged in the lower hole. The buoy rod is arranged in the buoy body, a buoy head is arranged at the upper end of the buoy body, a buoy tail is arranged at the lower end of the buoy body, and the floating hammers are arranged on the buoy rod. The fishing buoy is simple in structure and ingenious in design; the buoy hammers capable of sliding and having the balance weight effect are arranged on the central rod in the hollow buoy body, so that the buoy body has the light flexibility and has the stability of a heavy buoy body, floating and drifting are perfectly combined, and the use effect that a traditional buoy is light or heavy is thoroughly changed.

The invention provides an electric truss type intelligent assembly workstation. The electric truss type intelligent assembly workstation comprises a plurality of KBK suspension beams, a plurality of movable tackles, a plurality of wired electric servo torque wrenches and a plurality of rectangular pipe anti-torque assisting arms. The movable tackles are arranged on the KBK suspension beams, each rectangular pipe anti-torque assisting arm comprises a spring balancer arranged on the corresponding movable tackle and a rectangular pipe counter-force arm arranged on the spring balancer, the wired electric servo torque wrenches are arranged at one end of the rectangular pipe counter-force arms, and motor driving assemblies are arranged at the two ends of the KBK suspension beams. The motor driving assemblies are selected from gear motors. According to the electric truss type intelligent assembly work station, the motor driving assemblies are adopted, the work station moves flexibly and conveniently, the work station and a crown block share a rail in the actual operation process, interference can be effectively avoided through electrical control, effective avoiding can be achieved through two-side movement, the utilization rate of an on-site rail is high, and placement of equipment below is not affected.

The invention discloses a low-pressure pilot operated safety valve. The valve comprises an execution mechanism, a transmission mechanism and a conversion mechanism, wherein the execution mechanism consists of a main valve body, a valve rod and a valve core; the transmission mechanism of a balance air chamber consists of a partition board, a cylinder, a piston and a diaphragm assembly; the conversion mechanism of a control air chamber consists of a pilot valve seat, a valve core cover, a diaphragm assembly and a pilot valve core; the pilot valve core can quickly perform air chamber sealing conversion between the pilot valve seat and the valve core cover when sensing the pressure change and moving up and down, and pressure in the control air chamber and the balance air chamber is quickly converted by switching an external drain hole; and by increasing and reducing the area of the air chambers, the main valve can be quickly opened to exhaust air and relieve pressure so as to ensure the safety, and the main valve can be accurately and stably seated and tightly closed. The valve has novel design and simple structure, the excessive pressure is only 1 to 3 percent, the opening precision is very high, the response speed is very high, the seating pressure range is a fixed value, the seating reset is accurate and reliable, and the valve has very good market prospect.

The invention discloses a dam slope concrete mechanical lining seam self-propelled cutting machine and a use method thereof. The cutting machine comprises: a rack and travelling wheels mounted at the lower end of the rack, the rack is equipped with a three-phase asynchronous motor, an electromagnetic speed regulator, a winch, a steel wire rope, and a cutting disc. The three-phase asynchronous motor is connected to the electromagnetic speed regulator through a gear, the electromagnetic speed regulator is in transmission connection to the winch and the cutting disc respectively through a belt, and the steel wire rope is twined on the winch. The invention solves the advancing problem of concrete seam cutting machines, overcomes the existing defect of mismatch of a hand windlass and a cutting machine, provides a safe, reliable and easily operable device for travelling of a dam slope concrete seam cutting machine, at the same time lowers the labor intensity and risk of workers, and improves the work efficiency and work quality.

The invention belongs to the technical field of lithium metal batteries, and particularly discloses a protection method of an alkali metal negative electrode. The method comprises the following steps:cracking a polymer to obtain a polymer carbon material, mixing the polymer carbon material with graphene, and pressing to form a film, thereby obtaining a heat-conducting carbon film; then, stackingthe prepared heat-conducting carbon film on the surface of the alkali metal negative electrode and covering the whole surface of the alkali metal negative electrode to obtain the alkali metal negativeelectrode subjected to protection treatment. The invention also provides the alkali metal negative electrode obtained by the protection method and an alkali metal battery. The method is simple and efficient, and the original battery manufacturing process is not changed; and after the protective layer is added, the nucleation overpotential of the battery is reduced, the coulombic efficiency and the cycling stability are improved, and the battery has a great practical prospect.

The invention relates to a hydraulic electromagnetic directional valve and aims to solve the technical problem of jamming of an armature in an existing hydraulic directional valve during working. The hydraulic electromagnetic directional valve comprises a valve body, a valve element correspondingly arranged in the valve body, a magnetic sleeve correspondingly connected with the valve body, as well as the armature and a push rod which are correspondingly arranged in the magnetic sleeve, wherein the armature and the push rod are two independent parts; the push rod is correspondingly arranged in the magnetic sleeve, one end of the push rod is correspondingly connected with the end part of the valve element, and the armature is connected to the other end of the push rod; through motion of the armature to a magnetic core, the push rod is pushed to push the magnetic core to move. The hydraulic electromagnetic directional valve has the advantages of stable running and capability of avoiding jamming of the armature.

An automatic deasphalting and wax separation deoiling apparatus having metering and weighing functions includes an n-butanol deasphalting device, an n-butanol wax separation deoiling device and a fully-automatic filling machine; a plurality of trays are arranged in a first deasphalting tower and a second deasphalting tower, and are sequentially numbered as a first tray, a second tray,..., and an Nth tray from top to bottom, a solvent tank is communicated with the lower part of the side end of the first deasphalting tower through a feed tube with a valve, and the tube orifice of the feed tube at the internal lower end of the first deasphalting tower is arranged downwards, and is arranged below a chassis at the lowest end of the first deasphalting tower; and the fully-automatic filling machine is serially connected with the side part of a heating furnace through a feed tube with a pump, and the fully-automatic filling machine comprises a wireless remote control receiving device, a wireless remote control transmitting device and an automatic metering device. The apparatus has the advantages of lightness and flexibility in movement, simplicity in operation, high metering precision, andrealization of local yard filling without carrying a barrel; and all operations can be completed through holding a wireless remote controller via switching and inserting a discharging tube by an operator.

The invention discloses a variable speed operation rod for an automobile. The operation rod is characterized in that the upper side of a bearing fixing sleeve is connected with an operation rod; a fixing shaft is arranged at the lower side of the bearing fixing sleeve, wherein the bearing fixing sleeve, the operation rod and the fixing shaft are in the same axis, and a linkage sleeve is arranged at the lower end of the fixing shaft. Through the arrangement above, a ball bearing is inlaid in the bearing fixing sleeve provided by the invention, and the linkage sleeve is connected with a variable speed telescopic rod of the automobile, thus variable speed of the automobile is easy, convenient and flexible; and the variable speed operation rod provided by the invention is hard to deform, and the service life of a variable speed operation mechanism is prolonged.

The invention discloses an automobile door board with a locking mechanism, and belongs to the field of semitrailers. The automobile door board with the locking mechanism comprises a door board body, astand column and a side beam, wherein the door board body is connected with the stand column through a hinge; at least one cylinder which is protruded downwards is arranged on the bottom of the doorboard body; a lock groove which corresponds to the cylinder is formed in the side beam; during closing of the door board body, the cylinder is embedded in the lock groove; and the side beam is furtherprovided with a lock catch which limits the cylinder. The automobile door board with the locking mechanism is simple in structure and light in weight, when the door board body is closed, the concealed locking structure replaces a traditional locking mechanism which is large in size, heavy and exposed, the weight of a lock is reduced, materials are saved, the cost is reduced, a door is opened conveniently and flexibly, and thus, the lightweight level of an automobile is further improved.

The invention discloses a vehicle compartment plate lock, and belongs to the field of semitrailers. The vehicle compartment plate lock comprises a lock handle, a lock bar, a lock catch, a lock seat and a tapered end, wherein the lock handle is connected with the lock bar; the lock catch is connected with the lock handle in a matched manner; the tapered end is connected with the lock seat in a matched manner; the tapered end is a stop block arranged on one side of the tail end of the lock bar; the lock seat is of a hollow semi-closed structure; the tapered end can enter or leave the inner space of the lock seat along with the rotation of the lock bar. According to the vehicle compartment plate lock, the weight of the lock is reduced, so that the light-weight level of an automobile is further increased; furthermore, the vehicle compartment plate lock is simple in structure; materials are saved, and the cost is reduced; a compartment door can be opened more easily and flexibly.

The invention relates to a small trolley for orthopedic medical instruments, which includes an operation table, a box body is symmetrically arranged at the bottom of the operation table, drawers are symmetrically arranged in the inner cavities of the box body, and universal Wheel, the top of the operating table is provided with a recycling tank, one end of the operating table is provided with a handle, the top of the operating table is provided with an instrument table, and a groove and a placement table are provided between the instrument table and the recycling tank. Putting the used instruments or materials into the recovery tank can be separated from unused instruments to avoid cross-infection. There is a support plate, the bottom of which is symmetrically provided with a support column, and the bottom of the support column is fixedly connected to one side of the box, the top of the support plate is symmetrically provided with legs, and the top of the leg is provided with The second support plate can put electrocoagulation instruments, ECG monitors and other instruments on it, which is more convenient for doctors to operate.