31results about How to "Achieve high-precision assembly" patented technology

The invention provides a side plate installing vehicle for an omnidirectional fine-tuning satellite instrument. The side plate installing vehicle comprises a base assembly (1), a lifting function assembly (2), a turnover function assembly (3) and a side plate installing frame assembly (4), wherein the lifting function assembly (2), the turnover function assembly (3) and the side plate installing frame assembly (4) are arranged on the base assembly (1). The side plate installing vehicle can be adjusted in three linear directions of front and back, left and right and up and down and two angular directions of pitching and rolling through mechanisms such as an adjustable leg support, a screw rod, a linear guide rail and a lifter, and can be used for installing side plates of various satellite instruments on satellites.

Disclosed in the invention is a high-precision assembling housing comprising a housing body, grooves, a mounting plate, a protruding rib, and a housing cover. Reinforced ribs are arranged inside the housing body and are vertically arranged by using threaded columns as centers; and the threaded columns are fixed at the housing body. The mounting plate is arranged inside the housing body; and a plurality of fixation columns extend out of the back of the mounting plate externally. A plurality of clamp grooves are formed in the inner wall of the housing body. The housing cover is arranged at one side of the housing body; clamp hooks are arranged at positions, corresponding to the clamp grooves, inside the housing cover; threaded holes corresponding to the threaded columns are formed in the housing cover; cooling fins are arranged at the outer wall of the housing cover; and the protruding rib is arranged at the end surface of the housing cover. The grooves are formed in the end surface of the housing body correspondingly. The provided high-precision assembling housing has advantages of compact structure and simple assembling. High-precision assembling of the housing is realized; the positioning is accurate; dislocation is prevented; the connecting strength after assembling is high; fixation is firm; the practical property is improved; and the heat radiation effect is good.

The invention provides an assembling clamp for a carbon fiber composite aircraft cabin door. The assemble assembling clamp has the function of assembling five metal joints on the composite cabin doorthrough a riveting bonding mode, and the outline precision of the tooth-shaped edge relative to five joint holes, and the relative position degree and the coaxial degree among the joint holes are ensured. Through the assembling clamp, high precision assembling of the carbon fiber composite cabin door and the metal joints can be achieved, relative position deviation caused by the unreasonable positioning and clamping mode or the rebound and super poor precision of a manufactured piece caused by large state deviation between the state of the manufactured workpiece and the state after the manufactured workpiece is removed from a frame during assembling is avoided, meanwhile, the mode of a frame-type structure combined positioning assembly has the enough openness, the operation space can be ensured, the structure can be simplified as far as possible, and the manufacturing cost is reduced.

The invention provides a guide rail assembling technological method for a large composite box, and relates to the technical field of guide rail assembling technologies for large composite boxes.The dimension of an inner cavity of the composite box is 8000 mm*1000 mm*1200 mm, a front guide rail and a rear guide rail are installed on the inner surface of the I quadrant of the box through guide rail bases, and the front guide rail and the rear guide rail are connected to the inner wall of the box through the guide rail bases.The guide rail assembling reference of the composite box is determined to adjust related dimensions of bottom corner parts, errors generated by tipping and defection of the composite box are eliminated, and the assembling precision of the guide rails relative to the installation reference is ensured; the inner wall of the box serves as the assembling reference to ensure the symmetry degree of the guide rails relative to the center of the box; a digital level gage is used for conveniently, rapidly and accurately measuring the parallelism and height difference dimensions of the guide rails, and a symmetry degree detection tool is used for achieving quick and effective guide rail precision detection.

The invention provides an air-cooled turbogenerator stator frame assembling and welding method. The air-cooled turbogenerator stator frame is composed of three parts of a middle-section frame (1), a turbine-end frame (2) and an excitation-end frame (3), the three parts carry out assembling and welding respectively, and then, final assembling is carried out. According to the structural characteristics of the stator frame in a new structure, a composite assembly method with vertical assembly and horizontal assembly combined is adopted, the assembling and welding quality of the stator frame is improved, and the operation and the construction are convenient; section assembling and welding are carried out for the stator frame, each section operates independently, parallel assembling and welding are realized, the construction period is shortened, and the assembling and welding efficiency is improved; and the stator frame baseboard is used as an assembly reference, the concentricity accuracy requirements of the whole frame body are ensured, and high-precision assembly of the stator frame is realized.

The invention relates to automatic assembling equipment for a power compartment and in particular to an automatic assembling machine for the power compartment. The automatic assembling machine for thepower compartment comprises a measuring machine, a detection device and degree-of-freedom platforms, wherein the measuring machine is provided with the detection device; two sides of the measuring machine are symmetrically provided with the degree-of-freedom platforms; the measuring machine is composed of an adjustment base, a support frame and a lifting cross beam. In the automatic assembling machine for the power compartment, a combined form of the freedom degree platforms and the detection device is adopted, a displacement sensor of the detection device located on a female end measurementarm and a six-degree-of-freedom platform drive system at the same position form a closed-loop control and the displacement sensor of the detection device located on a male end measurement arm and thesix-degree-of-freedom platform drive system at the same position form another closed-loop control, so that an engine and a transmission case are assembled in high precision; the adopted measuring machine, detection device and six-degree-of-freedom platforms are automatically operated, thereby greatly reducing the labor intensity of workers and guaranteeing the stability and safety in an assembly process.

The invention discloses a high-precision three-dimensional micro-assembly method and combined component based on MEMS, which comprises the following steps: setting a micro-clamp to match the loading chip; setting the alignment part and alignment accessory and welding button on the corresponding substrate and loading chip separately; injecting liquid in the micro-clamp; putting the chip in the micro-clamp back-off; locating the chip on the substrate through alignment part and alignment accessory and welding fusion reflux.

The invention provides a clamping head which comprises a base, a turning support, a finger fixing mechanism, a driving mechanism and a press block fixing mechanism, wherein the base is mounted on an external driving mechanism, and comprises a top plate, an end plate, a left side plate, a right side plate and a first cavity in the interior; the turning support comprises a connecting part and a turning part; the finger fixing mechanism comprises a fixing platform, a crank, a connecting rod, a sliding platform, a plurality of mechanical fingers and a plurality of ball joint connecting rods; the driving mechanism comprises a push-rod motor; the press block fixing mechanism comprises a shaft sleeve, a core shaft, two bending arms, a spring, two short connecting rods and two press blocks; each press block comprises a press block connecting part and a contact part. According to the clamping head provided by the invention, the mechanical fingers of different shapes can effectively fix workpieces of different shapes, so that the adaptability is relative high; the mechanical fingers and the contact parts of the press block jointly act on the upper and lower parts of a workpiece, so that the workpiece can be automatically clamped and prevented from migrating in moving and assembly processes, and high-precision assembly of the workpiece can be realized.

The invention discloses a connecting tool for a hose assembly and a connecting system of the connecting tool. The connecting tool comprises a supporting plate installed at the feeding end of an assembly machine body through fastening bolts, a moving groove is formed in the supporting plate, a driving piece is arranged at the moving groove, the connecting end of the driving piece is connected with a supporting block, the supporting block moves relative to the position of the moving groove through the driving piece, the supporting block is connected with a telescopic connecting mechanism, the connecting end of the telescopic connecting mechanism is connected with two alignment shells, and the two alignment shells are each provided with an adjusting alignment mechanism. According to the connecting tool for the hose assembly and the connecting system of the connecting tool, a worker only needs to quickly place the two ends of a hose at the alignment shell, through the adjusting alignment mechanism, the height of the two ends of the hose can be moved and adjusted, after the two ends of the hose are kept at the same horizontal height, the hose is correspondingly moved to a feeding port of the assembly machine body through the supporting block, and high-precision assembly of the hose assembly is achieved; and meanwhile, manpower is effectively saved.

The invention discloses an assembling device for a filing shaft and a toy gear. The assembling device comprises a machine table and an assembling mechanism. The assembling mechanism is installed on the upper end face of the machine table, the assembling mechanism comprises a workbench, a second support and a first support are welded to the workbench, a second air cylinder is fixed to the second support through bolts, a stroke rod is installed on the second air cylinder, a stamping part is assembled at the front end of the stroke rod, a stroke protection plate is welded to the first support, afirst air cylinder is fixed to the outer end of the stroke protection plate through bolts, and a stamping mechanism is installed on a stroke rod of the first air cylinder. A second motor is fixed to the outer side, close to the second support, of the upper surface of the workbench through bolts, a first motor is fixed to the inner side, close to the first support, of the upper surface of the workbench through bolts, and a limiting plate and a base plate are installed on the upper surface of the workbench and located between the second support and the first support. According to the device, thepurpose of quickly assembling the filing shaft and the toy gear can be achieved.

The invention relates to a long-stroke linear module and an installation method thereof.The long-stroke linear module comprises multiple sections of spliced module bases and a module mover sliding in the splicing extension direction of the module bases, and the installation method comprises the steps that the multiple sections of module bases are assembled; detecting and adjusting the straightness and parallelism of the guide rail on each section of module base and the whole guide rail after splicing of the plurality of sections of module bases; a leveling plate is installed on the assembled module base; the multiple sections of module bases are sequentially spliced and installed on the ground installation plate, and the corner positions of the leveling plate are fixed to the ground installation plate through leveling plate supporting screws and leveling plate pressing screws; an infrared laser lamp is matched with a leveling plate supporting screw and a leveling plate pressing screw to adjust the height of each section of module base. The modular mounting mode is adopted, the operation difficulty of long-stroke module mounting is effectively reduced, the mounting height of each module base can be adjusted, and therefore high-precision assembly of the long-stroke module according to a mounting scene is achieved.