12results about How to "Offset deformation" patented technology

A through-type stainless steel eaves gutter expansion and contraction node and an installation method thereof, comprising an expansion and contraction node and a gutter edge plate. The expansion and contraction node is arranged between adjacent gutter edge plates. The expansion and contraction node comprises a head plate and an expansion and contraction member. The gutter edge plates on both sides are both provided with head plates. The expansion and contraction member is connected to the adjacent head plates. A certain gap is provided between adjacent gutter edge plates to facilitate the expansion and contraction of the expansion and contraction member, thereby offsetting the deformation of the roof eaves gutter caused by thermal expansion and contraction, and preventing the eaves gutter from leaking.

The invention discloses an integrated pile end plate and a flow battery, the integrated pile end plate comprises a structural plate and an insulating plate arranged on one side of the structural plate, and the structural plate and the insulating plate are provided with a plurality of mounting holes; a plurality of runner mold grooves are formed in the structural plate, and a plurality of electrolyte runners which are not communicated with one another are arranged on the insulating plate; the electrolyte flow channel is embedded in the flow channel mold groove; the flow battery comprises a positive electric pile, a negative electric pile and a bipolar plate arranged between the positive electric pile and the negative electric pile, wherein the two sides of the positive electric pile and the negative electric pile are packaged through an integrated electric pile end plate and a screw rod fixing piece. According to the invention, the end plate and the liquid inlet plate of the original structure of the flow battery are integrated, so that the number of galvanic pile parts is reduced, and the weight of the galvanic pile is reduced.

The present application relates to the technical field of punch dies, and particularly relates to a scratch-proof positioning punch forming mechanism for a metal rack of a powder packaging machine, which comprises a base, a top plate fixedly connected to the top of the base through a plurality of guide struts, a punch plate slidingly connected between the guide struts, a punch convex die and a punch concave die detachably installed at the bottom of the punch plate and the top of the base respectively, and a scratch-proof punch assembly provided at the top of the punch plate and capable of flexibly pre-pressing the metal rack first, then instantaneously impacting and punching, and then rigidly re-pressing and holding pressure. The present application realizes three-stage forming of a plate through linkage of the punch assembly, avoids rigid scratching through elastic pre-pressing, reduces frictional damage through instantaneous impact, stabilizes accuracy through holding pressure and re-pressing, and forms double scratch-proof protection through automatic oiling of the oiling assembly, so as to protect the plate surface finish and plating layer, and improve the degree of automation and the punch quality.

The utility model relates to the technical field of vehicle engineering, in particular to a vehicle body and a vehicle. The vehicle body comprises a bumper, a bumper shell, a buffering piece and a radar assembly, the bumper shell and the bumper are arranged at intervals, the buffering piece and the radar assembly are arranged between the bumper shell and the bumper, the radar assembly is connected with the bumper shell, the buffering piece is connected with the bumper, and at least part of the buffering piece is located between the radar assembly and the bumper. Therefore, when a vehicle is impacted, the bumper deforms under the action of the impact force of the bumper shell, and in the deformation process of the bumper, part of the buffering pieces can make contact with the bumper, part of the impact force of the bumper shell is absorbed, and the deformation amount of the bumper shell is counteracted. Through the design, the deformation amount of the bumper shell can be reduced during vehicle collision, so that the risk that the radar assembly is damaged by deformation of the bumper shell is reduced, and the radar assembly is protected through the buffer piece.

This disclosure relates to the technical field of shaft workpiece machining. One embodiment of this disclosure provides a hydraulic milling machine with dimensional correction after quenching, comprising: a frame and a moving column, the moving column being disposed on the frame; a clamping and fixing assembly being disposed on the frame; and a machining assembly being disposed on the moving column. The clamping and fixing assembly includes a pair of moving frames, which are horizontally linearly driven to be connected to both sides of the frame. A transmission sleeve, driven by electricity, is disposed on one side of each moving frame, and the transmission sleeves are located on the same axis. A boss is provided on the surface of the frame. This technical solution solves the technical problem in the prior art where milling force and the release of residual internal stress in the workpiece exacerbate deformation during machining, leading to a deviation in the accuracy of the machined surface.

The invention discloses an optical reference and heat transmission separated rapid cooling lens mounting structure and an implementation method, which are suitable for a rapid cooling deep hypothermia cold optical system. The device is composed of a pressing ring, a lens holder annular surface heat conduction layer, a lens annular surface heat conduction layer, a lens, a fixing support, a lens holder and a pressing ring screw. An optical reference installation and heat transmission separation structure is arranged, and a flexible structure and a specific design method are introduced, so that on the premise that the optical reference and the optical precision are ensured, the problem of low-temperature shrinkage resistance in the radial direction of lens installation is solved, and the influence of the installation structure on the optical performance of the lens is avoided; by reserving a heat transfer crimping surface and designing heat transfer, quantitative control of rapid cooling time is achieved, and low-stress installation and rapid cooling of the profound hypothermia lens are achieved. The device is simple in structure, convenient to operate, good in compatibility and high in reliability.

The utility model relates to the technical field of machine tools, in particular to an adjustable machine tool workbench supporting mechanism. The device mainly comprises a cylindrical shell, a supporting force adjusting assembly, an upper piston, a cylindrical spiral compression spring, a lower piston and the like. The adjustable machine tool working table supporting mechanism is installed below a machine tool working table, a lower idler wheel assembly rolls on a machine tool body rail, an adjusting bolt is screwed in or screwed out, a lower wedge block moves upwards or downwards along an inclined face, an upper piston is driven to move upwards or downwards by a certain distance, the height of a cylindrical spiral compression spring is changed, and therefore the machine tool working table is supported. And after adjustment is finished, the locking nut is fastened to prevent the adjusting bolt from loosening, and the constant supporting force can be kept. By the adoption of the adjustable machine tool workbench supporting mechanism, the rigidity of a machine tool is improved, the bearing capacity of the machine tool workbench is greatly improved, and the applicability of the machine tool is improved.

The utility model relates to the technical field of silicon carbide, and concretely relates to a drying jig of silicon carbide ceramic pipe type membrane, which comprises a support frame, a first support plate and a second support plate arranged on the support frame, a connecting pipe connected to the first support plate and used for connecting a hot air conveying device, a driving component connected to the first support plate and the second support plate, and a plurality of silicon carbide hollow pipes connected to the driving component. The utility model sets the silicon carbide hollow pipe with an axial through structure as the drying jig of the workpiece. The silicon carbide hollow pipe can be driven by the driving component to rotate at a constant speed. Meanwhile, controllable warm air is continuously input at the end of the silicon carbide hollow pipe to uniformly dry the blank in the silicon carbide hollow pipe during rotation, so that the deformation caused by gravity can be offset, the qualified rate of the product is improved, and the drying speed is improved through the multi-path heat conduction of convection and radiation.

The invention discloses a production process of inkjet heat transfer paper, and belongs to the field of transfer paper processing. According to the inkjet heat transfer paper production process, patterns are distributed on transfer paper at equal intervals, and a blank section is formed between every two patterns; according to the size of the pattern, the length of the rhombic telescopic frame is adjusted, and then the distance between every two adjacent pressing units is equal to the distance between every two blank sections; and the distance between the push frames is adjusted, so that the push frames directly face the heating strips with the corresponding number, and at the moment, the overall distance between the heating strips corresponding to the push frames is equal to the width of the pattern. Transfer printing paper is fed into the base, and the downward pressing unit is located over all the blank sections. And each pattern is heated and pressed tightly, so that the deformation caused by thermal expansion and cold contraction of the transfer paper is counteracted.

This application discloses a vehicle projection display control method and apparatus, a projection image processing control method, an automobile, equipment, and a storage medium. It determines, at least based on real-time collected vehicle motion data, the expected relative pose change of the vehicle relative to the target road surface at the projection moment; calculates image geometric transformation parameters at the projection moment based on the expected relative pose change, these parameters being used to offset projection offset caused by vehicle motion; performs a reverse geometric transformation on the original projection image based on the image geometric transformation parameters to generate a compensated projection image at the projection moment; and controls the projection module to project the compensated projection image onto the target road surface. By using sensors to perceive the vehicle's own motion posture in real time and using this data to proactively and inversely adjust the projection image size, the projected content remains stable on the target projection plane.

The present invention discloses a thin plate welding fixture, including a positioning frame, a fixing frame, a lifting device and a pressing bracket. The welding vertical plates can be clamped toward each other by two groups of positioning frames, and then the welding horizontal plate is placed on the top of the positioning frame and the positions of the welding horizontal plate and the welding vertical plate are adjusted, and the lifting device is controlled to press the pressing bracket against the surface of the welding horizontal plate, and the pressing round head is close to the actual heat-affected zone of the welding weld, and the pressing round head is pressed against the surface of the welding horizontal plate to form a point contact, and each pressing bracket is controlled by a lifting device separately, so that the pressure of each pressing bracket on the surface of the welding horizontal plate can be controlled separately, so as to keep the force of the welding horizontal plate uniform, and then ensure the force balance of the welding horizontal plate to prevent the welding horizontal plate from deforming. There is point contact between the pressing bracket and the welding horizontal plate, and the welding gun is welded through the upper surface of the welding horizontal plate toward the welding vertical plate, so that welding is convenient and the activity space is wider.

The present invention belongs to the technical field of aluminum alloy sheet metal processing for aviation aircraft, and specifically relates to a variable-height semi-cylindrical anti-rust aluminum part forming tool and a method of using the tool, including a drawing die and a matching mold. By using a brand-new barrel-shaped anti-rust aluminum part drawing and forming tool, two parts can be processed at one time. By symmetrically placing the parts on the tool, the drawing and forming process effectively offsets the deformation caused by the processing process, avoids the breakage of the sheet material, and increases the mold fit of the formed parts to no more than 0.5 mm, thereby reducing the amount of workers' trimming and improving product quality.