30results about How to "Solve technical problems with deformation" patented technology

The invention provides a manufacturing method of a centrifugal vapor compressor diffuser. The method comprises the following steps: performing heat treatment on a blank; roughly turning the end surface, excircle, inner bore and second step end surface of a large end of a diffuser; roughly turning the end surface, excircle, inner bore and first step end surface of a small end of the diffuser; drilling and milling a locating hole in the edge of the end surface of the large end, mounting a milling tool, locating by virtue of the locating hole, and roughly milling a blade on the small end; performing half finish turning on the end surface, excircle, inner bore and first step end surface of the small end of the diffuser; performing half finish turning on the end surface, excircle, inner bore and second step end surface of the large end of the diffuser; mounting a milling tool, locating by virtue of the locating hole, performing fine milling on the blade, and delivering the product into a coordinate measuring machine for inspection after fine milling is finished; if the product is qualified, marking center lines for drilling on the end surfaces of the large and small ends and the first step end surface; aligning the center liens; drilling and threading; finely turning the end surface and inner bore of the large end of the diffuser; performing draw filing on the bottom of a blade passage; performing penetrant inspection on the blade.

The invention provides a hoisting method for a large-span hinged type herringbone steel arch. The hoisting method comprises the steps of conducting hinge joint connection, setting hoisting points, installing hoisting rings, determining the lengths of hoisting steel wire ropes, hoisting and the like. According to the hoisting method for the large-span hinged type herringbone steel arch, due to integral and multipoint hoisting, the technical problems that hinge pin installation in high attitude is difficult, high in construction cost, low in working efficiency and the like are effectively solved. In addition, due to the facts that two hoists are used for hoisting, multipoint hoisting is adopted, and the hoisting points are set reasonably, the situation that the herringbone steel arch deforms due to lack of rigidity in the hoisting process is avoided. Due to the fact that the hoisting steel wire ropes with suitable lengths are selected, the installation angle of the herringbone steel arch is effectively controlled, and two column feet is made to be positioned on bases easily.

The invention discloses a tube with solidifier, belonging to the improvement of tube. It is formed by a tube and a solidifier. The invention has the advantages that it can improve the support ability of tube an solve the deformation problem by combining the tube and the solidifier to increase the safety factor of production and reduce the producing cost.

A pressure tube consists of a pipe and internal and external reinforced units. Because the tube adopts several kinds of reinforcing ways, the deformation problem of the plastic tube has solved and the service life of the tube has increased.

The invention belongs to the technical field of elevators, and particularly relates to an integrated opening and closing guiding elevator door system, which comprises a general mounting shell. The general mounting shell is internally provided with a driving device, a guiding device and connecting pieces, and the bottom of the general mounting shell is horizontally provided with an elevator door along the inner bottom wall of the general mounting shell; the driving device controls the elevator door fixedly connected to the bottoms of the connecting pieces to be opened and closed after converting power through the guiding device; and the elevator door comprises an inner door and an outer door, and a gap is formed between the opposite side faces of the inner door and the outer door. Accordingto the integrated opening and closing guiding elevator door system, by arranging the guiding device, the effect of automatically offsetting the inner door and the outer door through a mechanical structure is realized.

The invention discloses a motorcycle fairing structure assembly comprising a fairing back plate and a connecting plate on a motorcycle steering column. The motorcycle fairing structure assembly is characterized in that a mounting base and mounting columns are arranged on the fairing back plate, and the mounting columns are fixed on the motorcycle steering column correspondingly to the mounting base; mounting holes allowing the mounting columns to be inserted in and fixed are formed in the mounting seat, fixing holes are further arranged in the fairing back plate, and the fairing back plate is fixed on the steering column connecting plate through the fixing holes. A motorcycle applies the fairing back plate mounting assembly, structural strength of the mounting columns on the connecting plate on the motorcycle steering column is far higher than that of fairing back plate lugs in the prior art, the technical problems of breakage and deformation of the fairing back plate lugs in the prior art are solved, strength of the fairing back plate is improved, mounting position accuracy of the fairing guide plate and safety performance of motorcycle running are guaranteed, probability of occurrence of labor waste and material waste is reduced, and cost is saved.

The invention discloses a working method of a machining device for annular metal parts, and belongs to the technical field of machining equipment. The machining device comprises a workbench, a positioning mechanism, a limiting mechanism, a feeding mechanism and a polishing mechanism. The positioning mechanism comprises a lifting assembly, a connecting assembly, a plurality of positioning assemblies and a plurality of reset assemblies. The connecting assembly is installed at the lower end of the lifting assembly. The plurality of positioning assemblies are circumferentially distributed beside the connecting assembly. The plurality of reset assemblies correspond to the plurality of positioning assemblies one to one. Each reset assembly is installed above the corresponding positioning assembly. The feeding mechanism comprises an adjusting assembly and a feeding assembly, and the polishing mechanism comprises a moving assembly and a polishing assembly. According to the working method, annular workpieces with small inner and outer diameter difference values can be fixed and machined, workpiece deformation cannot be caused during fixing, and the same equipment can machine the annular workpieces of different sizes. The machining device further has the advantage of low positioning precision, and the cost can be reduced.

The invention discloses a fragrance product formula and a preparation method thereof. The formula comprises fragrance components and adhesive powder, wherein the fragrance components and the adhesivepowder comprise the following components in parts by weight: 1-3 parts of agilawood, 1 part of benzoin, 2-8.7 parts of sandalwood, 0.4-0.7 part of ambergris and 1.6-2.7 parts of adhesive powder. The preparation method comprises the following steps: preparing fragrances, performing compatibility of the fragrances, binding the fragrances, and carrying out condensation molding. The technical problemthat in the process of drying the condensation fragrance product in shade, moulds in the condensation fragrance product breed and the moulding shrinkage ratio is large, so that cracking and deformingare caused is solved, the technical problems caused when fragrances are processed as artworks, artware, large-size sculptures and practical living articles can be solved, processing and manufacturingof fragrance beads, fragrance wares, fragrance sculptures, fragrance prints, practical living articles, innovative tea fragrance sculpture series and health fragrance sculpture series can be achieved, a condensation fragrance product has the metal and gold textures, has the irises and orchid characters, has fragrance lasting for hundreds of years, is solid as iron, has the texture as jade and haslong-lasting fragrance smell of hundreds of years, standardization levels of fragrance product manufacturing processes are increased, and the processes can be widened to other materials.

A looping mechanism of an artificial lawn warp knitting machine comprises a yarn guide needle, a sinker and a knocking-over bar, wherein the yarn guide needle is fixed on each wool yarn guide bar; a sinker is fixed on a sinker bed; and the knocking-over bar is connected with a main shaft via a connection rod. The looping mechanism of the artificial warp knitting machine is characterized in that the knocking-over bar is provided with a plate body; the plate body is equipped with at least two baffle blocks arranged side by side; a groove is formed in the middle of each baffle block; all the grooves are the same; a needle slot is formed by adjacent baffle blocks; and a latch needle elevates in the needle slot. The looping mechanism is mainly applied to knitting artificial lawns; latch needle elevating stroke is added, so knitting product achieved has tight structure and is firm and durable.

The invention discloses a manufacturing method of a special-shaped metal air pipe. The manufacturing method comprises the following steps of establishing an air pipe model of the air pipe to be manufactured in three-dimensional software according to a design drawing, and segmenting the air pipe model; establishing a coordinate system in the three-dimensional software so as to obtain the coordinates of each segmented section, and manufacturing an inner flange and outer flange of each segmented section according to the coordinates of each segmented section; simulating the established coordinate system to manufacture a coordinate frame, and positioning and fixing the outer flanges to the coordinate frame according to the coordinates of the segmented sections corresponding to the outer flanges; adopting a manual positioning and covering method to obtain an expanded pattern of each section of air pipe and then carrying out blanking, or using the three-dimensional software to unfold the model of each section of air pipe and then carrying out discharging; and fixing the inner flanges to the corresponding outer flanges, and then performing forming and group welding on all material plates, and dismounting each inner flange and outer flange and the coordinate frame after welding to obtain the air pipe to be manufactured. According to the manufacturing method, the workload of loading is small, results are accurate, the manufactured air pipe is small in joint seam, and the attractiveness is high.

The invention provides a four-jaw chuck for preventing workpiece deformation, which comprises a chuck body, claws and a claws equidistant linear displacement mechanism wherein a positioning surface and a clamping surface mutually vertical to each other are respectively arranged at the front end of a claws centripetal displacement mechanism; and the workpiece is contacted with a first-step concavetable formed by the clamping surface and the positioning surface; and the first-stage concave table is matched to the corresponding right-angle part of the periphery of the thin shell side wall of theworkpiece; wherein the positioning surface is tightly attached and supports the bottom of the workpiece; the clamping surface is tightly attached to the side wall of the thin shell at the periphery of the workpiece; and an inner concave avoiding groove for reducing the contact area is arranged at the contact area of the clamping surface and the side wall of the thin shell at the periphery of theworkpiece. The four-jaw chuck for preventing a workpiece deformation is characterized by not only ensuring the stability, the square linearity and the centering parallelism of the four-jaw chuck in the process of clamping the square workpiece, but also more effectively preventing the deformation of the clamped thin shell workpiece, and being particularly suitable for the processing application ofsquare thin shell parts.

The invention provides a cross beam structure and a machine tool having same. The cross beam structure comprises a first support portion and a second support portion, wherein the first support portionextends in a first preset direction, and is provided with a first support end and a second support end oppositely arranged; the second support portion is disposed on the first support portion, and extends in a second preset direction; the second preset direction and the first preset direction are arranged by a preset angle; the second support portion is provided with a connection end and a thirdsupport end oppositely arranged; the connection end is connected to the first support portion; and the third support end is positioned between the first support end and the second support end to implement supporting by means of the first support end, the second support end and the third support end, so that the technical problem of deformation caused by insufficient rigidity of a cross beam structure in the prior art is solved.

The embodiment of the invention provides a framed plate for electronic equipment and a plastic molding method. The framed plate is used for manufacturing a shell of an electronic device, and the framed plate comprises a plate body, a frame body and a first plastic body; the frame body is fixed on the edge of the upper surface of the plate body, and the frame body comprises a first edge, a second edge, a first surface, a second surface, M first grooves and N second grooves, wherein the M first grooves are formed in the first edge; the N second grooves are formed in the second edge; the first plastic body wraps the first surface, the second surface and the second edge, fills the first groove and the second groove, and is connected with the side edge of the plate body, wherein M and N are 0 or positive integers. According to the invention, the technical problems that in the prior art, plastic is directly poured into the edge of a plate, the shrinkage amount is large after plastic forming,and plate deformation is likely to be caused are solved, and the technical effects of enhancing the mechanical strength of the edge of the plate, reducing the plastic consumption and reducing the plate deformation degree are achieved.

The invention relates to an electric vehicle pedal device and an electric vehicle adopting the same. According to the pedal device, on the basis that pivotal connection between a pedal and a wheel cover part is achieved, the stress direction of the wheel cover part is converted skillfully, so that the wheel cover part can bear stress of the pedal in the unfolded usage state, and the technical problem that in the prior art, deformation occurs to the wheel cover part due to the fact that stress of the pedal is transmitted to the wheel cover part is solved.

The embodiment of the invention provides a plastic edge covering plate for electronic equipment and a secondary plastic forming method. The plastic edge covering plate is used for manufacturing a shell of an electronic device. The plastic edge covering plate comprises a plate body, M first plastic bodies and a second plastic body, the M first plastic bodies are arranged on the edge of the upper surface of the plate body, each first plastic body comprises a first surface, a second surface, a third surface, a first edge and a second edge, and the N grooves are formed in the second surface. The second plastic body wraps the third surface, the first edge, the second edge and the filling groove and is connected with the side edge of the plate body; wherein M is a positive integer, and N is 0 ora positive integer. The technical problems that in the prior art, the edge of a plate is wrapped with plastic in a one-time forming mode, the shrinkage amount is large after plastic forming, and plate deformation is likely to be caused are solved, and the technical effects that the edge of the plate is wrapped with plastic in a two-time forming mode, and the plate deformation degree is reduced are achieved.

The invention provides grouting slurry for reinforcement in a tunnel hole and a grouting method. The grouting slurry comprises slurry A and an additive B; the slurry A is prepared by stirring cement and water according to a water-cement ratio of 1: 1 in a grouting process and then stirring according to a water-cement ratio of (0.8-0.9): 1; the additive B is prepared from an accelerator and a high polymer material solution according to the volume ratio of 1: 1 in the grouting process, and the mass of the accelerator and the mass of the high polymer material solution both account for 3%-5% of the mass of the cement. The diffusion range of the slurry is controlled by controlling the gelation time of the slurry, so the purpose of controlling the reinforcement range is achieved; the strength of a slurry stone body in preset time is controlled by adjusting the adding ratio of the accelerator to the high polymer material solution, it is guaranteed that collapse does not occur during excavation of a tunnel face, tunneling of a tunnel is facilitated, and the technical problems that when a tunnel penetrates through a loose accumulation body stratum for construction, line invasion and deformation of a supporting arch frame are prone to occurring are solved.