52results about How to "Reduce design thickness" patented technology

The invention provides a processing method of a low yield ratio high strength titanium coiled plate for a heat exchanger. The processing method of the titanium coiled plate comprises the following steps of: preparing a plate blank; rolling a hot coil; annealing the hot coil; performing surface treatment on the hot coil; cold rolling; degreasing; and annealing to obtain the low yield-ratio high titanium coiled plate for the heat exchanger. According to the processing method, the content of a titanium cast ingot is controlled, and the processing technology of a titanium tape is utilized, so that the tensile strength of a titanium plate is about 385+/-15MPa, and the yield ratio is not greater than 70%; and with the improvement of the tensile strength of the titanium plate for the heat exchanger, the design thickness of the titanium plate can be reduced by more than 10%, and therefore, the titanium plate being 0.5 to 1.2mm in thickness can be prepared for the heat exchanger. Compared with the titanium coiled plate in the prior art, the titanium coiled plate processed by the method provided by the invention has high strength, low yield ratio and high deep drawing performance, and the production cost is also greatly decreased.

The invention discloses a composite component of meridian tyre cord fabric layer and air barrier and a preparation technology. Base material rubber, an aging-proof system, a reinforcing system, a vulcanization system and a radiosensitizer are mixed at a ratio to form a mixture; the rubber mixture is mixed to smelt in an internal mixer to be prepared into a tyre body cord fabric layer component and a lining air barrier component respectively according to the production technology of the tyre body cord fabric layer and the lining air barrier component; then the tyre body cord fabric layer component and the lining air barrier component are compounded into an integral composite component on a compound machine; an electron accelcrator is used for radiating the composite component; under the condition of limited-oxygen radiation, radiation prevulcanization is carried on the composite component of the tyre cord fabric layer and the lining air barrier. The composite component of the tyre cord fabric layer and the air barrier, which is radiated by the invention, has high Green strength, stable structure size and performance, saves raw material, has small radiation dose and high production efficiency and is favourable for environment protection.

The invention discloses a sensing device, and the device comprises the following parts: a pedestal which is provided with a first clamping part; a probe structure which comprises a second clamping part capable of being clamped with the first clamping part, a probe used for detecting body fluid analyte parameters and a connecting area electrically connected with the probe, wherein the second clamping part is arranged at one end of the probe structure, and the second clamping part and the first clamping part are clamped with each other so that the probe structure can be installed on the pedestal; and a transmitter structure, which comprises an emitter shell and an emitter arranged in the emitter shell, wherein the emitter shell is provided with a connecting hole, the connecting hole is matched with the probe structure in shape and structure, when the emitter structure is installed on the pedestal, the probe structure is located in the connecting hole, and the emitter is electrically connected with the connecting area so as to receive signals generated by the probe. Due to the design, the thickness of the sensing device is reduced, and the user experience is enhanced.

The invention relates to a composite pipe concrete composite structure which is characterized in that the structure comprises internal concrete (1), a steel pipe (2), transverse pre-stressed steel wires (3), and a fiber-reinforced plastic material (4). According to the invention, through applying pre-stress to the steel wires, the pre-stressed steel wires (3) are transversally continuously and uniformly wound on the outer wall of the steel pipe (2). The fiber-reinforced plastic material (4) is adhered to the outer surface of the transverse pre-stressed steel wires (3) on the outer layer. The internal concrete (1) is filled in the steel pipe (2). The winding pitches between the transverse pre-stressed steel wires (3) are no larger than 40mm. With the structure provided by the invention, defects of commonly known steel pipe concrete and FRP-steel composite pipe concrete structures are overcome, and advantages such as high yield load, large bearing capacity storage, good ductility, moderate failure mode, good durability, and the like are provided. Especially, the structure has stable and continuous decline stage and low cost. The structure provide by the invention is suitable to be used in piles, columns, bridge piers, and arch ribs in newly built structures, and can be used in reinforcement of mainly compressed members in existing reinforced concrete structures and steel pipe concrete structures.

The invention discloses a 6-series aluminum alloy profile suitable for an aluminum template and a preparation method thereof. By adjusting the alloy components of an aluminum alloy ingot and a heat treatment process, the average main cylinder pressure of the 6-series aluminum alloy profile suitable for the aluminum template in the extrusion process is effectively reduced, and the finally prepared aluminum template profile has more excellent tensile strength and yield strength. The adjusted alloy components are prepared from the following components in percentage by weight: 0.65-0.75% of Si, less than or equal to 0.25% of Fe, 0.05-0.10% of Cu, 0.05-0.10% of Mn, 0.55-0.65% of Mg, less than or equal to 0.10% of Cr, 0.20-0.30% of Zn, 0.05-0.10% of Sn, less than or equal to 0.05% of Ti, less than or equal to 0.05% of single impurity, less than or equal to 0.15% of total impurities and the balance Al. The aluminum template profile is prepared by the steps of ingot casting, homogenization treatment, surface brush rod or peeling treatment, extrusion forming, quenching cooling and artificial aging of the prepared alloy components.

The invention provides a prefabricated beamless floor composite slab based on stress and a disassembly method thereof. The prefabricated beamless floor composite slab comprises a prefabricated composite floor, a prefabricated column connection node and a prefabricated composite slab connection node, and the prefabricated composite floor and prefabricated column connection node comprise entering the prefabricated composite floor into a prefabricated column protection layer to keep steel bar continuous with a prefabricated column; a prefabricated column stirrup is bound, and the prefabricated composite floor connection node comprises a cast-in-situ layer and a prefabricated composite floor layer. The connection node of the prefabricated composite slab of the invention can realize the support-free formwork of the floor, and promote construction efficiency, and the overlap requirements of the steel bar at the connection node can be ensured; the continuity kept with the steel bar of the composite floor can ensure the stress in a prefabricated column concentrated stress area well; in addition, the disassembly point of the prefabricated composite slab has a small bending moment or closes to 0, the reasonable stress design disassembly can reduce the design thickness of the floor and the usage of the steel bar, so the disassembly is more convenient.

The invention discloses a double-clutch friction pair system. One side of the steel plate bracket of the friction plate is mounted with friction material, and the other side is a smooth surface; One side of the material faces one side of the dual plate; the steel plate bracket of the former plate is in direct contact with the friction material of the latter plate, and dissipates the heat generated by the friction between them. The friction pair system of the invention can effectively optimize the heat dissipation effect of the clutch and avoid failure of the clutch due to excessive temperature. At the same time, because the heat dissipation burden of the dual plate and the friction plate steel plate bracket is reduced, the design thickness of the friction pair system can also be correspondingly thinned, the axial length of the clutch is shortened, and the layout of the clutch is significantly improved.

Provided is a machining method of a metallurgical furnace launder. A mode that plate blank forging and machining are combined is used for machining. The method comprises the following steps that forged plate blanks are forged and pressed into a metallurgical furnace launder semi-finished product with an arc face; and a metallurgical furnace launder component semi-finished product is subjected to finish machining to form a metallurgical furnace launder finished product. The machined metallurgical furnace launder finished product comprises a launder body. The launder is formed in the top of the launder body. A plurality of cooling water channels are arranged in the launder body. The cooling water channels are communicated with each other in an end-to-tail mode. At least one water inlet and one water outlet are formed. A forming technology is changed into the mode that forging, pressing and machining are combined, so that body materials are compact, grain refining is achieved, mechanical property is good, heat conductivity is high, composite holes are used as the cooling water channels, the cooling performance of the cooling water channels is further improved, the improvements are combined so that the thickness of the launder body can be greatly reduced, a producer can know that the launder with good performance can be obtained with low cost increased, frequent maintaining or replacing is of no need, influence on normal production can be greatly reduced, and production efficiency is greatly improved.

The invention provides an integrated brake caliper, and belongs to the technical field of vehicle braking. The integrated brake caliper comprises a brake support assembly provided with a friction plate structure and a brake shell connected with the brake support assembly; and a thrust assembly, an adjusting assembly and a piston are arranged in the brake shell. According to the integrated brake caliper, a limiting convex point and a limiting groove are arranged between the thrust assembly and the brake shell, and a connecting convex point and a connecting concave point are embedded and connected between the thrust assembly and the adjusting assembly, so that the layout space is reduced, the fit clearance is small, the parking endurance abrasion is small, the durability is better; meanwhile, a ball ramp structure and a multiple thread structure are adopted, so that the ejection effect of the piston is further improved, the mechanical transmission gap is shortened, and the braking performance is improved; the brake shell is a cast aluminum piece with reinforcing ribs, so that the weight is lighter; and the surface material of a silencing piece with a friction plate structure adoptsa rubber cloth ripple silencing piece so that the friction coefficient can be increased, the piston can be prevented from rotating, the parking performance is further improved, and the market competitiveness is improved.

The invention discloses a steel-PVA fiber toughness concrete combined bridge deck structure and a construction method thereof. The combined bridge deck structure comprises a steel bridge panel layer,a PVA fiber toughness concrete layer, a bonding layer and an asphalt concrete surface layer; a plurality of shear bolt nails are fixed to the steel bridge panel layer; and the PVA fiber toughness concrete layer is laid on the steel bridge panel layer, and internally provided with longitudinal and transverse double-layer reinforcing meshes and chloroprene rubber cushion blocks which are laid out onthe steel bridge panel layer and used for supporting the longitudinal and transverse double-layer reinforcing meshes. The combined bridge deck structure has the advantages that the building height issmall, the light weight and high strength are achieved, bonding performance between all the combined layers is good, cooperative bearing of all the combined layers is uniform, deformation compatibility is easy to control, durability is good, anti-fatigue performance is good, and the impact effect of vehicles is small, and is particularly suitable for bridge deck pavement of large-span bridges.

The invention discloses an inner heat insulation layer structure of a front seal head of a solid rocket engine and a forming method of the inner heat insulation layer structure. A multi-step structureof an inner profile surface of the inner heat insulation layer is realized. The forming method of the inner heat insulation layer comprises the step 1 of manufacturing a mold according to an inner heat insulation layer structure, the step 2 of sandblasting the inner wall surface of the front seal head, the step 3 of preparing a liquid heat insulation layer, the step 4 of pouring the liquid heat insulation layer with the set mass into the front seal head, the step 5 of assembling the mold and the front seal head to a set position to ensure the designed thickness of the heat insulation layer, the step 6 of putting the product into an oven for curing, and the step 7 of taking out the product after the curing time is met, cooling the product to normal temperature, taking out the mold, and shaping and cutting the heat insulation layer to obtain the designed heat insulation layer. The heat insulation layer is high in size control precision, good in quality consistency and simple in process,and the forming method can meet the forming requirements of inner heat insulation layers in various irregular shapes.

The invention comprises a cable-stayed bridge sectional cable system with a prestressed cable saddle structure. The sectional cable system comprises a first-section cable, a second-section cable, a third-section cable and an arc-shaped profile steel cable saddle. The second-section cable passes through the profile steel cable saddle and is anchored on both sides of a cable tower through cable saddle cable anchor devices after being pre-tensioned. The profile steel cable saddle, the second-section cable, the cable saddle cable anchor devices and a spiral reinforcement jointly constitute the prestressed cable saddle structure. The number of the cable saddle cable anchor devices is two, and the two cable saddle cable anchor devices are arranged at both ends of the profile steel cable saddle correspondingly. Each cable saddle cable anchor device comprises an anchor base plate, an anchor plate with external threads and a clamping piece. Prestressed reinforcements of the second-section cableare anchored on the anchor plates; and the first-section cable with an anchor device at one end and the third-section cable with an anchor device at one end are correspondingly connected with both sides of the second-section cable through connecting devices. The sectional cable system can eliminate the stress amplitude in the second-section cable, reduce the fatigue damage of the cable, and fundamentally solve the problem of cable breakage caused by the insufficient fatigue strength of cable saddle cable with the small bending radius.

The invention discloses an UHPC-SS (Ultra High Performance Concrete) composite pipeline and a manufacturing method thereof. The UHPC-SS composite pipeline consists of a stainless steel tube, wherein casting the outer side of the stainless steel with an UHPC concrete layer; a reinforced steel network is arranged in the UHPC concrete layer; the UHPC concrete layer is prepared from the following rawmaterials in percentage by mass: 25 to 30 percent of cement, 5 to 15 percent of silicon powder, 3.5 to 13.5 percent of quartz powder, 30 to 50 percent of fine sand being 1.6 to 3.7mm in particle size,3 to 9 percent of steel fiber being 8mm in length and 3.4 to 9.4 percent of water; the raw materials are stirred and cast on the outer surface of a stainless steel inner tube; compaction is performedby adopting a compaction platform after casting; then, hot water maintenance is performed on the UHPC-SS composite pipeline in water of 80 DEG C for 3 days. Three connection manners are adopted for pipeline joints. The inner tube is made of stainless steel, and the outer tube is made of UHPC, so that the problems concerned with tendency to corrosion, poor frost resistance, poor durability and high manufacturing cost in the existing pipelines for transporting crude oil, natural gas and dangerous chemicals are solved.

The invention discloses an ultra-thin magnetic suction lamp group, which includes a lamp holder, the lamp holder is spliced ​​by several installation rails, and several lamp modules are installed on the installation rails, and the lamp module includes There is a base and a lampshade. The lampshade includes a first diffuser cover and a second diffuser cover installed in sequence. The base is provided with a light strip installed inside the first diffuser cover, and a plurality of connectors connected to the light strip. Electric contacts, the installation track is provided with a metal channel that contacts and conducts electricity with the electric contacts. The invention adopts the design of the inner and outer double-layer diffusion cover, so that the design thickness of the lamp module is greatly reduced, and there is no need for slotting to be embedded in the wall for installation, and it can also meet the requirements of the surface of the lamp module and the wall to be bonded and smooth, and the installation is simple and easy , Each lighting module can be seamlessly spliced, and at the same time, it solves the problem of light spots produced by the ultra-thin design of the lighting module, so that the lighting emits uniform and soft light, and improves the user's comfort.

The invention provides a high-pressure leak-proof hydraulic cylinder. The high-pressure leak-proof hydraulic cylinder comprises a piston rod provided with a piston block, a cylinder body provided witha cavity and a cylinder sleeve comprising an end cover and a sliding wall, wherein the cylinder sleeve is fixed into the cavity, and the end cover is fixed to the upper end of the cylinder body; theupper end of the inner wall of the cavity is hermetically connected to the upper end of the outer wall of the sliding wall, and a spacing is arranged between the middle and the lower part of the outerwall and the inner wall of the cavity; the piston rod penetrates through the end cover and is arranged in the cylinder sleeve and can move up and down in the cylinder sleeve, the piston block is hermetically connected to the cylinder sleeve to divide the cylinder sleeve into a working high-pressure cavity and a low-pressure backflow cavity which are isolated from each other, and the piston rod ishermetically connected to the end cover; and a first channel communicating with the working high-pressure cavity and a second channel communicating with the low-pressure backflow cavity are arrangedon the piston rod. The high-pressure leak-proof hydraulic cylinder can solve a problem of poor sealing performance of the hydraulic cylinder, which is caused by the changes in a piston gap due to highpressure.

The invention relates to the technical field of electric poles, and discloses a prestressed stainless steel tube ultra-high performance concrete composite electric pole and preparation method thereof.The prestressed stainless steel tube ultra-high performance concrete composite electric pole comprises a stainless steel tube and an ultra-high performance concrete layer poured on the inner wall ofthe stainless steel tube, and a prestressed steel reinforcement framework is planted in the ultra-high performance concrete layer. According to the prestressed stainless steel tube ultra-high performance concrete composite electric pole and preparation method thereof, the composite hollow structure is mainly formed by centrifugal forming of the stainless steel tube and ultra-high-performance concrete, the characteristics of good mechanical property and good corrosion resistance of the stainless steel tube and the ultra-high-performance concrete are brought into full play, the overall performance of the structure is improved, and compared with a traditional composite electric pole structure, the composite electric pole structure is easy to form, high in bearing capacity, large in rigidity,good in impact resistance, good in anti-collision and anti-collapse performance, high in corrosion resistance and good in corrosion resistance to atmosphere, water, acid, alkali, salt and various solvents with general concentrations. According to the prestressed stainless steel tube ultra-high performance concrete composite electric pole and preparation method thereof, the problems that the priortraditional concrete electric pole is insufficient in bending moment and poor in frost resistance, and the steel tube pole is poor in corrosion resistance and high in manufacturing cost are solved.

The invention discloses a folding display panel and a preparation method of the folding display panel. The folding display panel comprises a first substrate; the second substrate arranged opposite tothe first substrate; a display layer arranged on the surface of one side of the first substrate; and a composite functional layer and an optical adhesive layer which are arranged between the display layer and the second substrate, wherein the composite functional layer comprises at least one protective layer and a touch electrode layer, and the touch electrode layer is arranged on the surface of one side of the protective layer. Compared with an existing folding display panel, a polarizing layer and a touch layer are integrated into the composite functional layer in the folding display panel,the touch electrode layer is arranged on the surface of the protective layer, a layer of stacked optical adhesive layer is omitted, the hardness of the upper layer of the stacked structure can be improved, the overall stacking design thickness is reduced, the bending radius can be reduced, the laminating process is reduced, and the process flow is simplified.

The invention discloses an ultrathin wafer optical narrow-band filter and a preparation method thereof. The ultrathin wafer optical narrow-band filter comprises a main film layer, a substrate, a stress balance layer and an auxiliary film layer, the stress balance layer is arranged between the substrate and the auxiliary film layer of the narrow-band filter, the problem that the thickness of a narrow-band film layer prepared through a normal process is too large is solved through the structure. A warping problem caused by too large coating thickness of the auxiliary film surface of the substrate is solved, the narrow-band optical filter becomes thinner on the basis of ensuring the optical performance of the narrow-band optical filter, and the problem that the film layer binding force is poor or large-particle floating dust exists between the film layer and the substrate due to the fact that the narrow-band optical filter is manufactured by multiple film forming is solved because of one-time forming.