19results about How to "Rigid" patented technology

The invention provides a metal lithium composite negative electrode and a preparation method and application thereof. The lithium metal composite negative electrode comprises a lithium-containing layer, the lithium-containing layer comprises a lithium-loving material and a lithium-phobic structural material which are distributed in lithium metal and / or lithium alloy, and the structural material is interwoven to form a three-dimensional skeleton structure. The lithium-loving material forms a lithium deposition inducing structure in the three-dimensional skeleton structure in a discrete and / or continuous manner, and the rest internal space of the three-dimensional skeleton structure is filled with the metal lithium and / or the lithium alloy. In the composite negative electrode, the lithium-loving material can induce metal lithium to preferentially deposit and grow inwards, so that the cycle performance of the composite material can be improved. The structural material effectively relieves the problem of volume expansion in the metal lithium circulation process. And the lithium-loving material and the structural material are matched with each other, so that the cycle life of the composite negative electrode is remarkably prolonged. In addition, the composite negative electrode is not easy to adhere in the preparation process and has good processability.

Compact heat exchanger units and air conditioning modules, particularly for electric vehicles, are disclosed. A compact heat exchanger unit in which, within an air conditioning device for a vehicle, condensation of a refrigerant using liquid cooling, a condenser region for condensation of the refrigerant, a separate supercooling region for supercooling of the refrigerant, and an internal heat exchanger region are combined into a plate group in a plate heat exchanger, a single high-pressure refrigerant collector is arranged downstream of the condenser region and is integrated in the air conditioning module as a refrigerant collector, the condenser region and the supercooling region are arranged side by side as a plate group of the plate heat exchanger, and the refrigerant flowing through the condenser region is guided and collected into the high-pressure refrigerant collector. The plates of the condenser region and the plates of the supercooling region are formed in a chevron design, are then directed into the supercooling region and the internal heat exchanger region, and are then passed through the expansion engine into the evaporator region.

The present invention discloses a device and calculation method for detecting the posture of a parallel robot platform, the device includes a central ballbar, an offset ballbar, a dynamic platform two-dimensional inclination sensor, and a static platform two-dimensional inclination sensor; the upper and lower ends of the central ballbar are respectively fixedly installed with the center points of the dynamic platform and the static platform of the parallel robot; the dynamic platform two-dimensional inclination sensor is fixedly installed on the lower surface of the dynamic platform of the parallel robot; the static platform two-dimensional inclination sensor is fixedly installed on the upper surface of the static platform of the parallel robot; the offset ballbar has the same structure as the central ballbar and is arranged in parallel, and its installation position deviates from the center points of the static platform and the dynamic platform of the parallel robot. The full motion space posture measurement of the parallel robot is realized by the combined measurement method of the two-dimensional inclination sensor and the ballbar, with high accuracy and simple system structure, and the accurate detection of the initial posture of the parallel robot is realized by using dual two-dimensional inclination sensors.

The invention provides a metal lithium composite negative electrode and a preparation method and application thereof. The metal lithium composite negative electrode comprises a negative electrode active material layer, the layer comprises a metal lithium composite material with a core-shell structure, and the metal lithium composite material with the core-shell structure takes lithium-containing particles as an inner core; the inner core is provided with a lithium deposition induction layer containing a lithium-loving material as a middle layer and a lithium-phobic volume expansion reserved layer as an outermost layer. The lithium deposition induction layer can induce metal lithium to preferentially deposit and grow inwards, and the cycle performance of the composite negative electrode can be improved. The volume expansion reserved layer provides a lithium ion transmission channel and effectively relieves the volume expansion problem in the metal lithium circulation process. And the lithium deposition induction layer and the volume expansion reserved layer are matched with each other, so that the cycle life of the composite negative electrode is remarkably prolonged. In addition, the composite negative electrode is not easy to adhere in the preparation process and has good processability.

The utility model relates to the technical field of vehicle engineering, in particular to a doorsill beam structure and a vehicle body structure. The doorsill beam structure comprises a cross beam formed by rolling a rolling plate, and the cross beam is provided with at least two energy absorption cavities and isolation plates located between the adjacent energy absorption cavities; the first end of the rolling plate is bent to form a first guide edge, the first guide edge is located in one of the energy absorption cavities and abuts against the isolation plate, and the second end of the rolling plate is the end, away from the first guide edge, of the isolation plate. The second end is bent towards the energy absorption cavity where the first guide edge is located to form a second guide edge. Therefore, the cross beam formed by winding the roller plate has rigidity and structural stability and is used for supporting a vehicle body structure. When the cross beam is collided, the first guide edge and the second guide edge curl or move towards the corresponding energy absorption cavities, and the threshold beam structure has a better energy absorption effect in cooperation with the energy absorption effect of the energy absorption cavities.

The utility model relates to the technical field of side slope protection, especially arch skeleton positioning device. The arch skeleton positioning device includes positioning column and thin steel sheet, and two groups of spool are fixedly sleeved on the positioning column, and the spool all is installed with rotating lever, and the rotating lever all is installed with support arm group. The arch skeleton positioning device provided by the utility model takes the positioning column as the core support, cooperates with two groups of spool symmetrically distributed up and down, and a plurality of annular distribution and rotatable rotating levers are installed on the spool, the rotating lever is connected with the support arm group, the support arm group can stably expand the thin steel sheet to form the arch skeleton structure, compared with the traditional wire rope control, the thin steel sheet has rigidity and is not prone to deformation, can provide accurate and stable linear reference for the arch skeleton prefabricated block installation, greatly reduces the prefabricated block installation position deviation, and guarantees the consistency and stability of overall structure.

The present invention discloses a conductive bar with three core wires and a manufacturing method thereof, comprising at least one three-core electric wire including an insulating sleeve and a shielding sleeve, a conductive plate insulating layer, a conductive plate and a lower insulating layer arranged in sequence from top to bottom, wherein the three-core electric wire, the conductive plate insulating layer, the conductive plate and the lower insulating layer are laminated and fixed in sequence by glue, and the gap between the three-core electric wire and the conductive plate insulating layer is filled with glue. This product forms a multi-channel set of conductors with multiple layers above and below by arranging the three-core electric wires with insulation and shielding in two or more layers on the plane of the conductive plate, isolating them with insulating materials in the middle, and the plate-shaped conductor set has a certain rigidity, and can be pre-bent at a certain bending angle and bending radius according to the connection requirements of the electrical equipment in the spatial position of the whole vehicle, and then a robot can be used to pick up, position, install and inspect them in the whole vehicle factory, which is of obvious help to the automated production of electrical connections in the whole vehicle factory.

The utility model discloses a double-plate clamping net type shopping paper bag which comprises folded plates, an inner layer plate and an outer layer plate, the inner layer plate and the outer layer plate respectively comprise three flat plates, the three flat plates are sequentially connected through creases to form a U-shaped folded plate, and the inner layer plate and the outer layer plate are attached to each other inside and outside. The side net and the U-shaped folded plate form a lateral cavity with two through ends, the lateral net covers the lateral cavity, and the edge of the side net is fixed between the inner layer plate and the outer layer plate; and the side net is a woven net formed by cords which are vertically crossed with each other. Compared with a traditional integrated kraft paper shopping paper bag, the kraft paper shopping paper bag has enough distinguishing degree. The utility model further provides a self-folding mode. In other words, the folded plates are folded along the preset creases, and the side net is more flexible and can be folded adaptively. Therefore, when the shopping paper bag is practically applied to a consumption end, the shopping paper bag can also have the small-size storage function of an existing paper bag. And the condition that the actual use function is deteriorated due to the fact that modeling is carried out for modeling is avoided.

The utility model discloses a kind of oil removal systems, belong to wastewater treatment equipment field, oil removal system includes: wastewater container, inside hollow top is provided with opening;Oil stick, vertically set and head-to-tail butt joint forms annular structure, the lower part of the oil stick is inserted into wastewater container inside from the opening of wastewater container;Driving mechanism, connected with the oil stick, for driving the oil stick to rotate.The oil removal system of the utility model has the oil stain in wastewater separated from wastewater, saves the time and cost required for oil-water separation, improves the efficiency of oil-water separation.

The invention discloses an organic iron-based catalyst as well as a preparation method and application thereof, the structure of the catalyst is as shown in formula (I), and A is tert-butyl or isopropyl. The preparation method of the catalyst comprises the following steps: dissolving a phenyl-substituted pyridine compound and alkyl phosphorus chloride in an organic solvent in an inert atmosphere, and reacting under the action of the catalyst; and adding an organic solution containing Fe < 2 + > into the obtained product, carrying out a reaction, adding a silicon-based lithium compound into the obtained product, adding a precipitant, and carrying out a crystallization reaction to obtain the organic iron-based catalyst. The organic iron-based catalyst disclosed by the invention is high in catalytic activity and good in stability, the ring-opening metathesis polymerization reaction of cyclic olefin can be completed at a relatively low temperature, the reaction process is simple, the conversion rate of raw materials and the yield of a target product are relatively high, and the reaction process is green, environment-friendly and pollution-free. The catalyst is simple in preparation process, raw materials are easy to obtain, and the production cost can be greatly reduced. # imgabs0 #

The present invention discloses a use of a metallocene catalyst composition as a catalyst in the preparation of polyalphaolefin wax. The catalyst composition comprises a main catalyst and a co-catalyst, wherein the main catalyst is a metallocene compound, and the co-catalyst is an alkyl aluminum and / or an organic compound containing a boron element. The technical solution of the present invention proposes for the first time to use the catalyst composition as described in the present application to catalyze the preparation of polyalphaolefin wax.

The invention discloses an ultra-thin copper foil suitable for HDI board and its preparation method and application, comprising the following steps: using additives and electrolyte to electrolyze foil to obtain the ultra-thin copper foil; wherein the additives contain hexylbenzylamine salt, sodium polydisulfide dipropane sulfonate, sodium N,N-dimethyl-dithiocarbonyl propane sulfonate, hydroxyethyl cellulose, polyethylene glycol, hydrolyzed collagen and agarose. The invention can control the crystallization process of raw foil by compounding brightener, displacement agent and leveling agent, and obtain raw foil with fine and uniform grains, uniform peak size and gentle peak shape, so that the raw foil has a certain rigidity fundamentally, and solves the problem of poor rigidity of ultra-thin copper foil in the processing of HDI board.

The utility model discloses a composite nanometer heating film which comprises a nanometer heating film body, at least one group of electrodes is arranged on the nanometer heating film body, each group of electrodes at least comprises two electrode strips, the nanometer heating film body is packaged in a mica outer layer, and the mica outer layer is tightly attached to the surface of the nanometer heating film body. According to the utility model, the nanometer heating film body is packaged in the mica outer layer, and the mica outer layer can be coated outside the nanometer heating film body by adopting mica slurry, or mica paper with an attaching layer is attached outside the nanometer heating film body, so that the mica outer layer is attached to the nanometer heating film body, and the thermal conductivity and the insulativity of the nanometer heating film body are ensured.

The utility model discloses an antibacterial anti-static dust-sticking mat, which belongs to the technical field of dust-sticking mats and comprises a dust-sticking layer, the dust-sticking layer is formed by laminating a plurality of layers of single-sided adhesive PE (polyethylene) films, a corresponding number of layers of digital labels are adhered to one corner of the surface of each layer of the single-sided adhesive PE films, and an antibacterial layer is adhered to the bottom of the dust-sticking layer. The bottom of the antibacterial layer is bonded with an anti-static layer, the side surfaces and the bottom of the antibacterial layer and the anti-static layer are coated and bonded with waterproof layers, the bottom of each waterproof layer is bonded with a bonding layer, each bonding layer is a double-sided gluing PE film, the top of the dust-sticking layer and the top of each bonding layer are respectively coated with a protective film, and the top of each waterproof layer is bonded with a circle of anti-static rubber sheet. The metal sheet framework is fixedly installed in the antibacterial layer, static electricity can be avoided when the anti-static dust-sticking layer is used through the metal sheet framework, the anti-static rubber sheet and the anti-static layer, meanwhile, the dust-sticking layer has certain rigidity, the dust-sticking layer is not prone to large deformation and wrinkles, and the situation that the dust-sticking layer is rolled into a wheel is avoided.

The invention belongs to the technical field of building materials, and discloses an anti-fatigue phosphogypsum recycled aggregate water-stable base material and a preparation method thereof. The water-stable base layer material is prepared from a consolidation combination, a solid alkali activator, a composite polymer emulsion and water; wherein the mass ratio of the consolidation combination to the solid alkali activator to the composite polymer emulsion to the water is 100: (1-3): (2-6): (5-8), and the consolidation combination is prepared from the following raw materials in percentage by mass: 4-6% of a cement-based material, 17-22% of phosphogypsum, 28-31% of recycled fine aggregate and 44-48% of recycled coarse aggregate, totaling 100%. While the waste material phosphogypsum is fully developed, the composite polymer emulsion is introduced, the internal pore structure of the road base material is optimized, the overall elastic deformation capacity of the base material is improved, the anti-fatigue capacity of the road base material is improved, and the mechanical properties such as the compressive strength of the phosphogypsum recycled aggregate water-stabilized base material are stabilized; the comprehensive utilization of the fully recycled aggregate is realized.

The invention belongs to the field of slow-release packing materials, and particularly discloses a preparation method and application of a wood extract-based porous material, the wood extract-based porous material obtains proper pore size and porosity by controlling the crosslinking state between lignin and acrylamide polymer, and can provide a channel for fertilizer release after being combined with fertilizer, so that the fertilizer release rate is increased, and the fertilizer release rate is increased. And the slow release speed of the fertilizer is controlled.

The utility model belongs to underwater cable technical field discloses a kind of bending-resistant underwater cables, including conductor, insulating layer, sheath layer and protective layer, conductor is formed by multiple copper wire strands multilayer complex twisting, and the complex twisting direction of each layer copper wire strand is same, copper wire strand is formed by multiple tinned copper wire bundle twisting, insulating layer is coated in the outer periphery of conductor, sheath layer is coated in the outer periphery of insulating layer, protective layer is coated in the outer periphery of sheath layer, the material of protective layer is polyether polyurethane elastomer, shore hardness is (A80-D70).The bending-resistant underwater cable provided by the utility model has pressure resistance and flexibility simultaneously, when bending laying, it can be quickly laid, reduce the degree of difficulty of laying, simultaneously, it can effectively reduce the degree of stress concentration at bending, the risk of fracture at bending is low, and it can stably transmit electric energy.

The invention belongs to the technical field of picking, processing and tidying in sericulture production, and particularly relates to a leaf peeling device of a silkworm cocoon leaf peeling machine and the silkworm cocoon leaf peeling machine, the leaf peeling device comprises a leaf peeling part and an elastic connecting part, at least one of the leaf peeling part and the connecting part is elastic, the connecting part is used as a connecting piece for being connected with a power transmission part, and the connecting part is used for being connected with the power transmission part. A plurality of leaf peeling parts used for peeling the silkworm cocoons wrapped with the leaves are arranged on the outer surface of the connecting part in the circumferential direction, the inner ends of the leaf peeling parts are fixedly connected with the connecting part, the outer ends of the leaf peeling parts are only in contact with the leaves wrapped on the silkworm cocoons, and the leaf peeling parts peel off the leaves from the silkworm cocoons in the rotating process of the leaf peeling parts and the connecting part. According to the leaf stripping device, the connecting part has elasticity, and the leaf stripping part has rigidity, so that leaves wrapping silkworm cocoons can be stripped, and the silkworm cocoons cannot be damaged due to the fact that the leaf stripping device is too hard due to the elasticity.

The invention relates to the technical field of constructional engineering, and particularly discloses a supporting device for constructional engineering. Comprising a base, a lower cavity communicating with the base, an upper cavity detachably connected with the lower cavity, a steel pipe passing hole formed in the upper cavity, a connecting hole formed in the lower cavity, an elastic telescopic piece arranged in the lower cavity and used for bearing a steel pipe, and a fixing assembly used for fixing the elastic telescopic piece and the steel pipe. A plurality of connecting fulcrums are arranged on the inner top of the upper cavity, elastic ropes are installed on the connecting fulcrums, a bearing ring is arranged above the connecting holes, the free ends of the elastic ropes are connected to the bearing ring, and the bearing ring can make contact with an elastic telescopic piece. The scaffold supporting device solves the problem that when a supporting base of a traditional scaffold supporting device is temporarily installed, a steel pipe cannot be matched with the supporting base.