40results about How to "Solve shape" patented technology

The invention discloses a method for processing thin wall welder cases of revolving body structures, belonging to the technical field of aero-engine metal plate forming and welding. According to the invention, a whole pre-deformation welding/forming method is used for solving the problems that sizes of mounting edges are out of tolerance, coaxiality of front and rear mounting edges with main bodies after welding is out of tolerance and residual stress distribution of welding components is unbalanced. The method provided by the invention comprises the following steps of: carrying out technological structure welding deformation allowance compensation design on a mounting edge and a main body of a thin wall welder case before the welding according to the plastic deformation characteristics of materials; plastically forming an expansion block according to an expander work part, size and final structural size requirement of parts; carrying out automatic argon arc welding on the mounting edge and the main body; assembling the welded welder case and expansion block on the expander work part to carry out expansion plastic forming and controlling the expansion forming size through adjusting pressure of the expander; and unloading the pressure of the expander, recovering the expander work part and unloading the parts to complete the welding/forming process.

The invention belongs to the technical field of environmental protection, and relates to a method for preparing a building material by using industrial wastes (paper making sludge, different steel slag, furnace cinders, waste concrete) as main raw materials and applying an accelerated carbonation technology, in particular to the method for producing the building material by using the paper making sludge. The method comprises the following steps: according to the weight ratio of between 1 to 0.5 and 1 to 4, mixing the paper making sludge with a carbonized material; adding water into the mixture and mixing the mixture evenly; pressing the mixture into a semi-finished product of the building material; and preparing the semi-finished product of the building material into a finished product of the building material under the curing of accelerated carbonation. The method effectively makes use of the industrial wastes such as the paper making sludge, reduces the emission of the greenhouse gas of carbon dioxide, and prepares the building material with excellent performance and beautiful appearance. The method has the advantages of favorability for waste recycling, environmental protection, energy conservation, and low cost.

The present invention refers to a high internal phase polyelectrolyte emulsions which are useful for the manufacture of superabsorbent polymers having two phases: i) a continuous oil phase and the ii) a dispersed aqueous phase containing the aqueous monomer solution prior to polymerization and the polyelectrolyte in water-soluble, or water-swellable or very slightly crosslinked form after polymerization, wherein the polymerization occurs in the dispersed aqueous phase and wherein the dispersed aqueous phase contains a high concentration of polyelectrolyte. The present invention also refers to a process for preparing such emulsions and for inverting these emulsions so as to form films or other patterns of the superabsorbent polymer. Absorbent structures containing SAP films or other patterns prepared by the present invention are also contemplated.

The invention discloses an electrolytic copper crane sling, which aims to solve the problem that the shape and position of polar plate lifting lugs are required to be frequently and pertinently changed in the prior art. According to the technical scheme I, the electrolytic copper crane sling is characterized by comprising an anode hanger, a cathode hanger, a cathode adjustment driving device and a balancing arm, wherein the anode hanger and the cathode hanger respectively have a frame structure; the anode hanger is positioned at the periphery of the cathode hanger; and the cathode hanger is connected with the anode hanger through a cathode hanger lifting device. The electrolytic copper crane sling with the technical scheme has the characteristics that due to a horizontal guide device between the anode hanger and the cathode hanger, a conductive rod of a cathode plate is prevented from interfering with an anode hook in the polar plate lifting process, human assistance is not required, anode and cathode polar plates are sequentially discharged or filled, and the target is lifted, thereby achieving the aim of improving the working efficiency of an electrolytic copper crane.

The present invention discloses a digital Chinese medicine support frame type pulse condition collection system which can be used for analyzing pulse condition data, processing pulse condition data, defining type of pulse, making diagnosis, outputting prescription and making the above-mentioned all processes implement digitalization. Said system includes the following several portions: supporting platform, cantilever beam. T-shaped support frame main body, horizontal pulling bar, hollow tube, vertical slide way, counterweight platform, vertical pulling bar, pulse condition sensor, amplifier and A/D converter. Said invention also provides their connection mode and working principle of said pulse condition collection system.

A preparation method of a nickel titanium foam alloy with a double pore structure relates to a preparation method of a nickel titanium foam alloy. The invention solves the problems that the existing nickel titanium foam alloy used for the replacement and repair of the bone tissue has low pore interconnectivity and uneven pore distribution. The method comprises the following steps: respectively weighting several parts of nickel powder, titanium powder, large-particle sodium chloride and small-particle sodium chloride, evenly spreading large-particle sodium chloride and the mixed powder of nickel powder, titanium powder and small-particle sodium chloride in a mould in a laminated mode successively, and then performing cold compressing and forming, cold isostatic pressing, hot pressing sintering and homogenizing treatment in turn. The porosity of the nickel titanium foam alloy is 59.17%-71.71%; and the elastic modulus of the alloy is effectively reduced, which is close to the modulus of the bone tissue. The pore distribution is uniform, and small pores are distributed around large pores to ensure that the large pores are connected to form interconnected pores. By adopting the nickel titanium foam alloy, the bone tissue is controlled to only grow in the large pores; and the nickel titanium foam alloy can be used as the material used for the replacement and repair of the bone tissue.

A spun yarn winding device includes a machine body; a turret; a feeding roller that is fixed to the machine body, is not in contact with winding bobbins, and feeds yarns to the winding bobbins at a speed equal to or faster than a winding speed; a traverse device fixed at an upstream side of an advance direction of the yarns relative to the feeding roller and which traverses the yarns; a peripheral speed detection unit that detects a peripheral speed of the winding bobbins; and a control unit that is arranged and programmed to perform a basic operation to maintain a free length of the yarns at a standard length by controlling a rotational angle of a turret during a yarn winding period, the free length of the yarns being located between the feeding roller and the winding bobbins.

To solve problems concerning the unevenness in shape or size of a biomass fuel produced and concerning fluctuations in the degree of drying/carbonization of the biomass fuel caused by the kind of rawbiomass materials. A device comprising: a combustion furnace 12; a rotating drum 14 which includes a feed part 50 for raw biomass materials and a discharge part 52 for a biomass fuel 32 and in which drying/carbonization is conducted with the heat of the discharge gas generated in the combustion furnace 12; a tilting means 16 for tilting the rotating drum 14; a flue cover 18 for forming, between itself and the rotating drum 14, a flue for the discharge gas generated in the combustion furnace 12; a processing line 20 for making the shape and size of the biomass fuel uniform; and a return line 22through which some of the biomass fuel is returned to the combustion furnace 12. The feed part 50 is equipped with a screw conveyor 80 which feeds the raw biomass materials to the inside of the rotating drum 14 while rotating at the same speed as the rotating drum 14.

The invention provides an extruder head and an extruder. The extruder head comprises a front head mold, a rear head mold, a runner inserting component, damping blocks and a square-shaped component; the front head mold and the rear head mold are openably arranged; a first axial hole is formed on the middle part of the front head mold; a second axial hole is formed on the middle part of the rear head mold; the runner inserting component is inserted into the second axial hole; the runner inserting component comprises a first inserting block and a second inserting block; a glue draining runner isarranged between the first inserting block and the second inserting block; the damping blocks in various sizes are selectively fixed in the glue draining runner; the square-shaped component is arranged on the rear head mold; a glue outlet which is connected with the glue draining runner is formed on the square-shaped component. The extruder head provided by the invention can be used for solving the problems at the aspects of shape, size, uniformity, and the like, of wide products produced by a small-size extruder, and can finally realize high efficient production of wide slice products.

The invention discloses a cement-based wave absorbing plate of a three-layer structure mixed with EP and an NGPs wave absorbing agent and a preparation method of the wave absorbing plate. The wave absorbing plate is composed of an upper layer plate, a middle layer plate and a lower layer plate according to a thickness ratio is 8:11:11. The upper layer plate comprises cement, silica fume, expandedperlite (EP) and a water reducing agent, wherein the silica fume, water, the expanded perlite and the water reducing agent account for 10%, 42%, 7% and 0. 32% of the mass of the cement respectively; the middle layer plate comprises the cement, the silica fume, the water, multi-layer graphene nanoplates (NGPs), nano-nickel particles and the water reducing agent, wherein the silica fume, the water,the multi-layer graphene nanoplates, the nano-nickel particles and the water reducing agent account for 10%, 32-33%, 0.025-0.05%, 0.7% and 0.33-0.35% of the mass of the cement respectively; the lowerlayer plate includes the cement, the silica fume, the water, carbon fibers, carbon black, the water reducing agent and a dispersing agent, wherein the silica fume, the water, the carbon fibers, the carbon black, the water reducing agent and the dispersing agent account for 10%, 74-80%, 0.5-1%, 4%, 0.35-0.36% and 0.35-0.38% of the mass of the cement. The wave absorbing plate is environmentally friendly and free of radioactivity, a preparation process is simple, and forming is convenient.

The invention discloses solid smelting pretreatment equipment comprising an installing base. A smelting box is fixedly connected to the upper surface of the installing base. The inner bottom wall of the smelting box is provided with a discharge outlet. The upper surface of the installing base is provided with a heating cavity. An electric heating wire is fixedly installed on the inner wall of theheating cavity. Through the solid smelting pretreatment equipment, the effect of primary crushing of solid smelting materials is achieved, the smelting materials are crushed into small shapes and small sizes after crushed by primary crushing teeth, smelting is convenient, the shapes and sizes of the smelting materials are further limited, and smelting is convenient. The smelting materials can be effectively crushed by the rectangular-pyramid-shaped primary crushing teeth and advanced crushing teeth, a crushing rotor can be located rotationally, the shake problem caused by too large stress on the crushing rotor during rotary crushing is avoided, and thus the problems that smelting efficiency is liable to be lowered due to different shapes and sizes of solid smelting objects are solved effectively.

The invention discloses an online forced cooling method and device for an extrusion die, used for metal hot extrusion forming. An annular straight slot is machined between a discharging hole of the extrusion die and a pad special for the die around the contour of a main reaction shape of the discharging hole of the extrusion die; a gas pipe is laid in the annular straight slot; cooling inert gasesare introduced into the gas pipe; the cooling gases are ejected onto a die working length and the surface of an extrusion material via tiny outlet holes in the gas pipe. According to extrusion forming production of aluminum and magnesium alloys and other products having low quenching temperature sensitivity, high-pressure forced cooling can be conveniently performed at the extrusion outlet, the extrusion material is subjected to online quenching heat treatment, and the corresponding mechanical property requirements can be met; grain coarsening caused by secondary crystallization is avoided, so that the surface quality meets the requirements, and the surface is bright; the defects in the size, shape, structure and the like of the extrusion material due to extremely high metal temperature fluctuation in the hot extrusion process can be overcome; the extrusion speed is effectively improved, and the production efficiency is improved by 10% or higher.

The invention provides a fan foundation reutilization plan which comprises the steps of by utilizing a transition section for connecting a fan foundation ring and a renovated and transformed fan tower, after analyzing and evaluating the appearance quality, the stability, a material performance and case record data of a fan foundation of a wind power generator requiring renovation and transformation according to a renovation and transformation design requirement, directly connecting the transition section onto the foundation ring, connecting the renovated and transformed fan tower onto the transition section, and installing a renovated and transformed wind driven generator on the renovated and transformed fan tower, so that the reutilization of the fan foundation is accomplished; or after accomplishing restoring the stability, the appearance, the bearing capacity improvement and the like of the fan foundation, connecting the transition section onto the foundation ring, and connecting and fixing the renovated and transformed fan tower onto the transition section, so that the reutilization of the fan foundation is accomplished; or after accomplishing the connection of the foundation ring and the transition section, restoring the bearing capacity improvement of the fan foundation, and accomplishing the installation of the fan tower and the wind driven generator, so that the reutilization of the fan foundation is accomplished.

The invention discloses a method and mold for preparing a microscopic analysis sample of a double-layer asphalt diffusion system. The method comprises the following steps: S1, respectively heating newasphalt and old asphalt to a flowing state, respectively injecting the processed new asphalt and old asphalt into an upper-layer mold and a lower-layer mold, and performing cooling to obtain an upper-layer sample and a lower-layer sample; S2, superposing and combining the upper-layer mold and the lower-layer mold to enable the upper-layer sample and the lower-layer sample to be in contact, and then performing heating to enable the upper-layer sample and the lower-layer sample to be fully diffused; S3, cooling and demolding the upper-layer mold and the lower-layer mold, placing a double-layeranalysis sample consisting of the upper-layer sample and the lower-layer sample on a glass slide, performing heating, taking out the product, cooling and storing the product; and S4, performing asphalt microscopic test observation on the cooled and stored double-layer analysis sample. With the method, a technical problem that the specification, the shape and the quality of an analysis sample cannot be controlled in the preparation and forming process is effectively solved, the use amount of asphalt can be effectively controlled, and the authenticity of subsequent asphalt and asphalt mixture material and mechanical property evaluation is improved.

A complex of structural elements for forming glass brick walls, characterised by comprising: a substantially C-shaped aluminium profile bar (2) for perimetrally bounding the wall, a plurality of dividers (6) horizontally separating each glass brick from the adjacent one and having at least their exposed longitudinal edges of aluminium, a plurality of horizontal aluminium stringers (4) consisting of a horizontal web (14) provided at least along one longitudinal edge with a T-shaped appendix (18), said web being provided at regular intervals with seats for fixing the uprights of said dividers, said stringers being provided at their ends (22) with elements to be removably coupled to the interior of the vertical C-shaped profile bars.