42results about How to "Short assembly cycle" patented technology

The invention provides a method for precisely assembling a space remote sensing camera body structure, belonging to the technical field of assembly connection of body equipment. The method is to use aglue film as the close loop size of body assembly, lead assembly precision and assembly stress to depend on the deflection of the glue film, cancel the pad which may generate larger error, change theassembly mode of a transition component from glue connection first and screwed connection second of mechanical connection method into screwed connection first and glue connection second, use the metal pad to be wound on the transition component to be closely matched with an inner hole of a strut, and better achieve the aims of small assembly stress, high assembly precision and steady and firm structure through a microstress glue connection method. The glue connection method reduces the stress of the body structure on sensitive orientation, namely on axial of the strut, and optimizes the stress status of the body. Meanwhile, the method has simple and convenient operation, short assembly period and low cost, and overcomes the defects of long period and high cost of the prior assembly methodby finishing the pad.

The invention relates to the technical field of lighting lamps, in particular to a bulb, bulb production equipment and a bulb production process. The bulb comprises a bulb shell, a lamp holder cover and a light-emitting assembly, the light-emitting assembly comprises an element mounting base, a light-emitting lamp body, a second guide wire and a first guide wire, a first through groove and a second through groove are formed in the element mounting base, the second guide wire is fixed in the first through groove, and the first guide wire is fixed in the second through groove. The element mounting base is simple in structure, and compared with a structure for connecting a core column body of a hollow glass column body with a base, the element mounting base does not relate to a connecting structure of a glass material and other materials, so that the processing is very convenient. One end of the light-emitting lamp body is connected with the second guide wire, the other end of the light-emitting lamp body is connected with the first guide wire, and the other ends, away from the light-emitting lamp body, of the second guide wire and the first guide wire are connected with the lamp holder cover, so that the bulb can be assembled, the assembling process of the bulb is optimized, and the assembling convenience of the bulb is improved.

The invention discloses a modular automatic ticketing machine case body which comprises a cubic outer frame (1), a partition frame (2) which is placed inside the outer frame (1) and divides the interior into a plurality of units, and selectable interface modules (3) on partition units. According to the outer frame (1), four outer frame columns (111, 112, 113, 114) with the same length, four outerframe cross beams (121, 122, 123, 124) with the same length, six outer frame longitudinal beams (131, 132, 133, 134, 135, 136) with the same length are fixedly connected by the same 4040 right-angle pieces (14) and T bolts to form an outer contour of the modular automatic ticketing case body with the fixed length, width and height. According to the partition frame (2), the multiple units with adjustable interior spaces are formed by the multiple columns and cross beams with different lengths. According to the modular automatic ticketing case body, the case structure can be quickly and flexiblychanged to adapt to the change of internal function modules, and the design, manufacture and assembly cycles of an automatic ticketing machine are shortened.

The invention discloses a disc-type workpiece detection station adjustment tool for a coordinate measuring machine. The adjustment tool includes a base (1), a lifting device (21) fixed on the base (1), and a positioning device located on the base ( 1) The overturning device (22) connected to the lifting device (21) above can realize the space overturning function of the workpiece to be detected, and has the advantages of simple structure, reasonable design, low space utilization rate, convenient installation, high efficiency and short assembly cycle Short, low cost and other advantages.

The invention belongs to the technical field of graphene oxide preparation, and specifically discloses a method for preparing graphene oxide sheets / liquid crystals / films with different numbers of layers. Disperse graphite oxide in a solvent, ultrasonically treat it, and then centrifuge it. Extract the lower layer of the centrifuge tube every 0.5-3 hours and mark it as a group of samples until the upper layer is colorless and transparent. Remove the solvent in the sample to obtain oxidation. Graphene sheet; the graphene oxide sheet is further centrifuged and concentrated, and the lower layer is removed to remove the solvent to obtain the graphene oxide liquid crystal; the graphene oxide liquid crystal is drop-coated on the substrate, and dried at 15-35°C to obtain the graphene oxide film . The invention solves the problem that the multi-layer, two-layer and one-layer graphene oxide sheets cannot be accurately obtained at the same time and the complicated preparation of the liquid crystal phase is solved. The graphene oxide liquid crystal of the invention is simple to prepare, has zero loss of raw materials, short film assembly cycle, and the obtained film has optical anti-counterfeiting ability, so that it has good development prospects in the field of anti-counterfeiting.

The invention relates to a radar intelligent power distribution system, which includes a lightning protection unit, a phase sequence protection unit, an electric energy measurement unit, a three-phase power distribution unit, a single-phase power distribution unit, a state feedback unit and an output control unit. The input terminals of the protection unit, phase sequence protection unit, electric energy measurement unit, three-phase power distribution unit and single-phase power distribution unit are connected to the three-phase four-wire grid, and the lightning protection unit, phase sequence protection unit, electric energy measurement unit, three The output terminals of the phase power distribution unit and the single-phase power distribution unit are connected to the input terminals of the state feedback unit, the output terminals of the state feedback unit are connected to the input terminals of the output control unit, and the control terminals of the output control unit are respectively connected to the three-phase matching The electric unit is connected to the input end of the single-phase power distribution unit. The power distribution system described in the present invention has diversified control modes, stronger real-time monitoring, and is safe and reliable. Modular design is adopted, the functions of each unit module are clear, and the fault maintenance and replacement of components are more convenient.

The invention belongs to the technical field of aviation optical equipment, and particularly relates to a method for assembling and adjusting a cassette light pipe. A cassette light pipe installation and adjustment method based on the through-axis principle is proposed. The cassette light pipe can be assembled and adjusted by using the inner focusing light pipe, through-axis tooling and wavefront testing equipment. By designing the tooling, rationally arranging the assembly and adjustment process, only a single component is adjusted each time, the operation is simple, and the assembly and adjustment cycle is short.

The invention relates to the field of automatic assembly, and discloses an automatic assembly device. The first semi-finished product is pre-assembled by the first jig on the first indexing plate, and the second semi-finished product is pre-assembled by the second jig on the second indexing plate. The mechanism transfers the first semi-finished product on the first indexing plate to the second indexing plate, and press-fits the first semi-finished product and the second semi-finished product into the third semi-finished product through the first pressing mechanism. The hook is transported to the second indexing plate, and the second pressing mechanism presses the hook and the third semi-finished product into a fourth semi-finished product, and the second transfer mechanism transfers the fourth semi-finished product on the second indexing plate to the third semi-finished product. On the indexing plate, the fourth semi-finished product on the third indexing plate is subjected to the moving test by the moving test mechanism, and the fourth semi-finished product that has passed the moving test is oiled into the finished product through the oiling module, and the whole assembly process is automated. High degree, small human error, high assembly efficiency.

The invention discloses a method for assembling multi-colloid photonic crystals through particle fluidization, which includes steps of preparing dispersing solution by dispersing colloidal-state crystal particles in a dispersing medium, wherein the colloidal-state crystal particles comprise a plurality kinds of colloidal-state crystal particles with different sedimentation velocities in the dispersing medium; adding the dispersing solution into a first container, and the dispersing medium into a second container; enabling the dispersing medium in the second container to flow into the first container from the bottom of the first container; controlling the flow velocity of the dispersing medium so that one part of the crystal particles is in a fluid-bed state, and the other part of the crystal particles is in a transport-bed state; stopping the flowing of the dispersing medium into the first container when the crystal particles in the first container are divided into two layers; and leaving the first container to stand so as to obtain the multi-colloid photonic crystals through the sedimentation of the crystal particles.

The invention provides a rapid assembling method of an angular contact bearing. According to the rapid assembling method of the angular contact bearing, angular contact bearings are installed on a specific detection boss with the back faces being upward, wherein the inner ring width is equal to the width of the step of the detection boss; then, uniform axial pressure is exerted on the back faces of the angular contact bearings; and finally, the pressure is released, the height difference between the outer ring and the inner ring of each angular contact bearing is measured through the own weight of the outer ring, during assembling, the pretightening force is adjusted through adjusting pads, after the adjusting pads are additionally arranged, the height difference between the outer ring andthe inner ring of each bearing is kept within 0.02-0.035 mm. By the adoption of the rapid assembling method, the angular contact bearings are rapidly assembled, a test device is simple and convenientto operate, especially the adjusting pads are installed between the front faces of the inner rings and a planet carrier, so that the installation precision is convenient to adjust and control; the whole detection and assembling process is short in period and easy to operate, the universality is high, and the service life of each bearing is prolonged; and the rapid assembling method of the angularcontact bearing is particularly suitable for assembling the annular contact bearings in pair between a heavy-loaded planet carrier and a shell.