64results about How to "Optimal Assembly Method" patented technology

The invention discloses a digital twinning-based assembly precision simulation analysis method and system. According to the digital twinning-based assembly precision simulation analysis method and system, as for key processes in complex product assembly, the twin data of a physical assembly site are collected and processed, and twin data information is expressed and stored; an assembly process model is obtained in a 3D assembly process design system, and the assembly process model is reconstructed based on the twin data, so that an assembly process twin model is generated; the assembly processtwin model is introduced into commercial assembly tolerance analysis software, so that assembly precision simulation and sensitivity calculation can be performed; and the online compensation and precise control of the assembly process are performed according to assembly process precision simulation analysis results. With the digital twinning-based assembly precision simulation analysis method andsystem of the invention adopted, the deep fusion of the physical space and information space of the assembly site can be realized. The method and system are of great significance for realizing the intelligent closed-loop control of a complex product assembly process and improving assembly quality and efficiency.

Ladder stand structures having a ladder assembly and a platform assembly which may be secured in a plurality of positions as the platform assembly is raised or lowered in sliding engagement with the ladder assembly, and an enhanced method of assembling such ladder stand structures.

A belt tensioner with integral damping comprising a housing, a pivot bushing, a spring element, a disc-shaped spring bushing, a lever arm assembly, a pulley assembly, an armplate assembly including an armplate and a friction element; wherein the armplate assembly comprises an armplate having a cup-shaped cavity including a circumferential edge and a plurality of spaced apart finger elements extending from said circumferential edge wherein the finger elements are configured to provide a high degree of damping in a radial direction., and a friction element disposed between the fingers elements and the armplate, the friction element providing at least one contact area having increased friction between the lever arm and the armplate.

An sealing gasket is shown for use in forming joints of plastic pipe. The gasket is formed as a composite elastomeric body with a leading region formed of a thermoplastic elastomer material and with a trailing region formed of a synthetic plastic material. The gasket body has an outer circumferential region provided with a series of recessed pocket which give it a scallop-like appearance. The relatively harder plastic region of the gasket body deforms the associated pipe socket end during manufacture of the pipe end, whereby the gasket is integrally locked within an internal pipe groove in the pipe socket end upon completion of the pipe belling operation.

An improved mouse structure has a cover and a base pivotally connected to the cover. The cover is an elliptically curved shell with two ends, and has a pivoting portion extending downwardly from one of the ends thereof as well as a hook formed on another end thereof. The base comprises a receiving portion formed on an end thereof for receiving the pivoting portion, an engaging seat formed on another end thereof, and an engaging hole formed in the engaging seat for engaging with the hook.

The invention relates to the field of automotive lamps, particularly to an automotive headlight fixing structure and a headlight assembling method based on the same. The automotive headlight fixing structure comprises a headlight body, which is provided with a fixing unit for fixing a headlight onto a vehicle body; the fixing unit is composed of a main positioning unit, an auxiliary positioning unit and an auxiliary fixing unit, wherein the main positioning unit is composed of a first positioning unit for connecting a wheel fender and a second positioning unit for connecting a headlight lowersupport, and the auxiliary positioning unit comprises a third positioning unit for connecting the headlight body and a headlight beam. The automotive headlight fixing structure and the headlight assembling method based on the same can well meet visual requirements on the headlight as well as the sensory quality demands of customers, optimize assembling methods, and on the basis of thoroughly ensuring the matched state of the headlight and surrounding parts, improve the assembling efficiency of an assembly line and greatly save the assembling time.

An instrumented fastener (e.g., a “tack” fastener) includes one or more light sources (e.g., light-emitting diodes) configured to produce a light beacon that includes encoded information regarding the instrumented fastener (e.g., part number), wherein the direction of the light beacon can be used to align external and/or internal assembly systems to the instrumented fasteners. The light beacon may be activated automatically, or via an instruction received from an external system. Once aligned, the assembly system may, for example, proceed with installing permanent fasteners between neighboring tack fasteners.

A method of installing a seat belt system (100) into a passenger compartment of a vehicle, the system of the type including a seat belt retractor (501), a height adjuster (102) and a web guide (104), the method including the steps of: a) providing a height adjusting mechanism having a bar or track and a carrier; b) securing the web guide to the carrier so the height adjuster and web guide form a subassembly; c) locating and securing the retractor to a desired location within the vehicle and; d) lifting the subassembly and manipulating the height adjuster to a desired location in the vehicle and securing the height adjuster to the desired location, wherein the step of lifting the subassembly simultaneously locates the web guide to its desired location.

A liquid crystal display module includes a liquid crystal panel, a bottom cover having a plurality of lamps installed thereabove, a reflection sheet for reflecting the light generated from the lamps and a main support having openings in which the lamps are inserted, an extension part extending from the openings, and a supporting member for supporting the liquid crystal panel.

The invention relates to a posture adjustment and unloading efficiency detection integrated device, in particular to the posture adjustment and unloading efficiency detection integrated device for space expansion mechanism zero-gravity assembling and ground zero-gravity assembling for space high-precision complex expansion mechanisms, and belongs to the technical field of space expandable mechanism precision assembling. Through a tail end supporting plate and a root supporting plate, a complex assembling reference on a space expansion mechanism is ingeniously transferred, an assembling method is improved, and assembling efficiency is improved. Multi-freedom-degree posture adjustment on joint space postures of the space expansion mechanism is achieved in the mode of combining a plurality of joint supporting components. Unloading force is detected online in the assembling process through a sensor and a data collecting and processing system, and stabile and reliable unloading efficiency in the assembling process is guaranteed. An air foot and rolling bearing mode is adopted, the assembling stress of the space expansion mechanism is effectively reduced, and assembling precision is improved.

The invention relates to a floating reamer handle applied to the finish machining of a small-column inner hole and an assembling method of the floating reamer handle. The floating reamer handle comprises an outer sleeve, wherein a step hole is formed in side end of the outer sleeve, a movable joint rod which penetrates out one side end of the outer sleeve and is provided with Morse taper is arranged in the outer sleeve, a movable joint connecting sleeve which penetrates out the other side end of the outer sleeve is further arranged in the outer sleeve, the movable joint connecting sleeve is limited in the outer sleeve through a tightness adjusting mechanism, an adjusting mechanism for finely adjusting the cut depth is arranged at the end part, located in the outer sleeve, of the movable joint connecting sleeve, and a shaft rod for mounting a milling cutter is mounted at the other end of the movable joint connecting sleeve through a connecting mechanism. The floating reamer handle simple and skillful in structure and convenient to manufacture, a 'horn mouth' phenomenon occurring at a hole is effectively avoided, and meanwhile, the assembling method is simple and convenient.

The invention provides a method for assembling a rolling bearing with oil. The method comprises the following steps of: 1, cleaning and drying a bearing component; 2, dip-coating preorder lubricant on the working surface of a bearing; and 3, assembling the bearing. The lubricant selected by an open bearing is an oil membrane, and the lubricant selected by a closed bearing is an oil membrane or a lipid membrane; in the step 3, postorder lubricant is added after the sleeving or the sleeving of the bearing during bearing assembling; and the preorder lubricant and the postorder lubricant are the same or compatible with each other. A lubricant coating step which is added before the bearing is sleeved in the method for assembling the rolling bearing overcomes the technical bias that technical staff in the field think that the rolling bearing is needed to be kept dried before being assembled and sleeved; and the lubricant is coated in the assembly process in advance, so that the direct contact of the working surface during bearing assembling is avoided, friction on the working surface is very small, friction scratching is reduced greatly and the method for assembling the bearing is improved.

A lens system (1) for a video endoscope comprises, in order from an object side, a cover glass (20), a first lens (40), a second lens (60) and one or more further lenses, wherein all lenses are single lenses. An aperture stop (21) is arranged at the object side of the first or the second lens (40, 60), all lenses on an image side of the aperture stop (21) are aspherical, all lenses are made of glass or of a crystalline material, and at least one lens has a refractive index n approximately equal to or exceeding 1.66. The invention also relates to an endoscope objective, to a video endoscope, and to a method for assembling an endoscope objective.

The invention discloses a longitudinal connecting structure of an assembled sleeper slab-type or a track slab-type ballastless track structure and a ballastless track structure including the longitudinal connecting structure. Two embedded longitudinal steel bars are longitudinally connected through an extrusion sleeve, the butting ends of the two longitudinal steel bars are separately inserted into the two ends of the extrusion sleeve, and the extrusion sleeve deforms and is locked under the extrusion of a portable extruder. According to the longitudinal connecting structure of the assembled sleeper slab-type or the track slab-type ballastless track structure and the ballastless track structure including the longitudinal connecting structure, the accuracy during site laying construction can be improved, disassembly and installation are convenient, the construction difficulty is reduced, the speed of site construction is increased, the structure is simple, and positioning of a sleeper slab or a track slab is convenient.

An annular bracket for the external tensioning of a tower segment, in particular a tower segment of a wind power plant, to an external tensioning system of a hybrid tower, preferably a hybrid tower of a wind power plant, to a tower section of a hybrid tower, preferably a hybrid tower of a wind power plant, to a hybrid tower, preferably a hybrid tower of a wind power plant, to a wind power plant, and to an assembly method of an external tensioning system for a hybrid tower, preferably for a hybrid tower of a wind power plant. An annular bracket for the external tensioning of a tower segment, in particular a tower segment of a wind power plant, with a connector element for the connection of a tensioning element, a bearing element for the transmission of a tensioning force to a tower segment, and an annular force transmission element for the transmission of the tensioning force between the connector element and the bearing element, the bearing element being at a greater spacing in the radial direction from a longitudinal axis of the annular bracket than the connector element, is described.

A preliminary assembly system for joining a body side panel and a floor panel of an automotive vehicle in a loose-fit hemming joint state by bending a claw piece extending from a main body of one of the panels to hold the other of the panels, prior to welding. The preliminary assembly system comprises a die to be in contact with a back-side surface of the main body of one of the panels in a region forming a loose-fit hemming joint section. Additionally, a main bending blade is provided to be movable to approach the die to bend the claw piece until the loose-fit hemming joint state is established. The main bending blade is moved to approach the die by a movement amount which is mechanically determined relative to a surface of the other of the panels during formation of the loose-fit hemming joint section.

The invention provides an improved photovoltaic module and an assembly method thereof. The improved photovoltaic module comprises a dual-glass assembly and a frame, wherein the frame comprises two long edges and two short edges, wherein the two long edges and the two short edges are encircled to form a rectangular frame, the lengths of the long edges are smaller than the length of the dual-glass assembly, the lengths of the short edges are smaller than the length of the dual-glass assembly, clamping grooves are formed in the tops of the long edges, clamping plates are arranged at the bottoms of the long edges, a support plate is vertically arranged between each clamping groove and each clamping plate, clamping holes are formed in two ends of the short edges, the lengths of two sides of thedual-glass assembly are embedded into the clamping grooves of the long edges along corresponding clamps, the long edges are arranged at a middle position of the dual-glass assembly, the short edges are clamped onto the clamping plates of the long edges by the clamping holes, the two short edges are arranged between the two long edges, a plurality of installation holes are formed in the clamping plates at the long edges, and elastic bolts penetrate through the installation holes. The method comprises the steps of 1) positioning; 2) assembling the long edges; 3) assembling the short edges; and4) completing frame installation.

The invention discloses a large-diameter end cover propelling mechanism, an assembling method and press-fitting tightening equipment. The large-diameter end cover propelling mechanism comprises a press-fitting assembly and a positioning assembly, the press-fitting assembly provides propelling force to propel an end cover to enter a press-fitting end of a barrel, the press-fitting assembly comprises a press-fitting motor, a connecting screw and a screw block, one end of the connecting screw is connected with a power output shaft of the press-fitting motor, and the other end of the connecting screw is connected with the screw block; and the positioning assembly is used for fixedly connecting an end cover positioning seat and the barrel and comprises an end plate and the end cover positioning seat, the end plate is located at one end of the barrel, a through hole for the end cover and the end cover positioning seat to penetrate through is formed in the center of the end plate, and a positioning insertion block for integrally connecting the end cover positioning seat and the barrel is installed on the end plate on the outer edge of the through hole. The large-diameter end cover propelling mechanism has the advantages that the end cover can be automatically grabbed, a tool can be automatically placed, the tool can be automatically propelled and jacked, meanwhile, threaded parts can be automatically centered, automatic assembly is achieved under the condition that the coaxiality is guaranteed, manpower is reduced, the labor intensity is lowered, and therefore the working efficiency is improved.