145results about How to "Guaranteed structural rigidity" patented technology

The invention relates to a light-weight suspension system of an automobile, in particular to a carbon fiber composite McPherson suspension control arm. The carbon fiber composite McPherson suspension control arm comprises a control arm body, a first bushing connected with an automobile body, a second bushing connected with a steering knuckle and a ball pin, wherein the control arm body is made of a carbon fiber composite and is hollow in the middle part; a first bushing end on which the first bushing is mounted, a second bushing end on which the second bushing is mounted, and a ball pin end to which the ball pin is connected are respectively arranged on the control arm body. The control arm disclosed by the invention has the advantages of being light in mass, high in intensity, high in impact resistance and the like, and the thickness can be designed, realization of the light weight of automobile parts is facilitated, and the development requirements of a conventional automotive technology for the respects of being energy-saving, environmentally-friendly, safe and the like are met; in addition, the invention further provides a preparation method of the control arm.

The invention discloses a large-cantilever steel web spinal box beam segment and a construction technology. The large-cantilever steel web spinal box beam segment comprises a unit box beam bottom plate and a unit box beam top plate, wherein two steel webs are arranged between the unit box beam bottom plate and the unit box beam top plate, the unit box beam top plate comprises a top plate cross beam arranged in the middle of the unit box beam top plate and wing plates fixedly connected to the two transverse sides of the top plate cross beam, a reinforcing system is arranged between the transverse outer side of each wing plate and the unit box beam bottom plate, a top plate prestressed pore channel is formed in the unit box beam top plate in the longitudinal direction, bolting preformed holes are formed in the two longitudinal ends of each steel web, and a bottom plate prestressed pore channel is formed the unit box beam bottom plate in the longitudinal direction. According to the large-cantilever steel web spinal box beam segment and the construction technology, each component is of a sectional type structure, fractional hoisting can be adopted, the weight of hoisting is light, the requirements for transportation and hoisting equipment are greatly reduced, and construction can be directly finished by means of matching of a conventional truck-mounted crane or a crawler crane and a small-tonnage beam transporting vehicle.

The invention discloses a light composite sabot and a manufacturing method thereof. The light composite sabot comprises a sabot sandwich structure and a skin laying on the surface of the sabot sandwich structure, wherein the sabot sandwich structure is manufactured by alternately bonding and processing n reinforcing ribs and (n+1) foam boards. The manufacturing method comprises the following stepsthat (1) the thickness of the skin, and the thickness and number of the reinforcing ribs and the foam boars are set; (2) the reinforcing ribs are manufactured through fiber materials A in a layer laying mode; (3) the foam boards and the reinforcing ribs are bonded together alternately through adhesives and heat and solidified into a sandwich structure blank board; (4) a sabot sandwich structure with the needed structural size are machined; (5) the skin is manufactured through fiber materials B in a layer laying mode, and the fiber materials B coated with shaping agents are laid on the surfaceof the sabot sandwich structure coated with the adhesives layer by layer, and a preformed body of the sabot is obtained; and (6) product forming is conducted through a resin transfer molding technology, and then the sabot product is obtained. According to the light composite sabot and the manufacturing method thereof, the weight reduction effect is remarkable, under the same using condition, thespeed of ammunitions is higher, and the power of the ammunitions is larger.

Provided is a supporting disk for a soldering tool clamp of a micro-diameter thin-walled tube of a heat exchanger. As for the main structure, the supporting disk is in a spoke wheel disk shape. The supporting disk comprises round positioning holes distributed in a spiral mode, round diode mounting holes and two positioning planes. The supporting disk is formed by carrying out cutting and drilling on a panel part. Firstly, the boundary dimension of the disk is obtained through machining, specifically, an internal ring, an external ring and a spoke wheel in the middle are included, and the axis of the disk is determined as the origin of coordinates; then the twenty-nine through holes are evenly distributed along the spiral central axis of the micro-diameter thin-walled tube in the thickness direction of the disk; the two blind holes for mounting of diodes are obtained in the thickness direction of the disk through machining; and finally, the two positioning planes are formed on the upper portion and the lower portion of the disk through cutting. According to the supporting disk, the structure is simple, manufacturability is good, structure rigidity of the integral disk can be ensured, and the structure weight can be lowered.

The invention relates to a flexible solar cell array unfolded step by step. The flexible solar cell array is composed of an upper storage box, a lower storage box, a tensioning mechanism, a guide mechanism, a pressing and releasing mechanism, a flexible solar cell panel, a secondary unlocking device and the like. The flexible solar cell array is used as a power generation device of a spacecraft, can bear a mechanical environment of a spacecraft launching section, has force energy for keeping two unfolding lengths and structural rigidity under the cooperation of an external unfolding mechanism,and meets a requirement of orbital transfer at an initial stage of orbital injection of a spacecraft, the requirement of a butt joint stage for a unfolding fundamental frequency of a solar cell arrayand the requirement of long-term on-orbit operation for generating power of the solar cell array at the same time.

The invention provides a tube-in-tube bridge tower of a space hybrid cable net suspension bridge with a parabolic arched tower cap. The tube-in-tube bridge tower of the space hybrid cable net suspension bridge with the parabolic arched tower cap is characterized in that the parabolic arched tower cap with a rigid tie rod is arranged at the top of a tube-in-tube herringbone tower column; one end ofa giant diagonal bracing is anchored to the waist of the tube-in-tube herringbone tower column; the giant diagonal bracing supports the arch foot of the parabolic arched tower cap and forms a racket-like bridge tower structure; a load-bearing steel cable is placed on the tube-in-tube herringbone tower column, and a carbon fiber space cable net is anchored on the parabolic arched tower cap to enhance the spatial stiffness of the suspension bridge and realize the cooperation between two groups of cables; a concrete-filled rectangular steel tube corner column and a grille tubular double-steel concrete composite shear wall are adopted to form a tube structure; the tube-in-tube herringbone tower column comprises an outer tube structure, a core tube structure and multiple rigid diaphragms. Thetube-in-tube bridge tower of the space hybrid cable net suspension bridge with the parabolic arched tower cap has various advantages, such as strong structural rigidity, good wind resistance stability, rich facade modeling, strong earthquake resistance, and capability of being adopted as a bridge tower structure of a space cable net suspension bridge with a super-long span of 4000 meters.

The invention discloses a micro arc surface reflector punching backplane, which belongs to the field of solar concentrator reflector back support. The micro arc surface reflector punching backplane comprises an annular shaping part, two arc forming parts, upper and lower two symmetrical arc connection arms, and reinforced supporting arms, wherein the annular shaping part is around one circle of the reflector edge; the two arc forming parts are distributed at the left side and the right side inside the annular shaping part, are symmetrical bilaterally and protrude inwardly in an arc mode; the upper and lower two symmetrical arc connection arms are connected with the central area of the two arc forming parts; the reinforced supporting arms are connected with at least four points distributed uniformly on the circumference of the annular shaping part, and after the reinforced supporting arms are intersected or crossed with the arc forming parts, a diamond or a regular polygon is formed; and the annular shaping part forms a planar structure in a surrounding mode, and the arc forming parts, the connection arms and the reinforced supporting arms form micro arc surfaces sunk towards to the central area relative to the plane. The surface figure precision of a heliostat reflecting surface and the reflecting spot quality are improved, the reflector supporting structure making efficiency and the part size consistency are improved, and the making cost of the heliostat structure is reduced.

The invention relates to a micro-structure corneal contact lens and a preparation method thereof. The corneal contact lens adopts a mechanical flexible material and comprises a porous grid structure of a hollow annular layout formed by one or more deformable elastic mechanical units according to one or more distribution rules, wherein the annular layout is formed by periodically annularly and radially combining and distributing or orthogonally combining and distributing the deformable elastic mechanical units. The micro-structure corneal contact lens and the preparation method thereof with certain biological tearful eyes detection capacity are low in cost, expandable, capable of being customized and capable of realizing the mass production and wide in application range of people.

The invention relates to a field-of-view switching mechanism for optical equipment, in particular to a three-field-of-view switching mechanism for optical equipment, and solves the problem that the positioning and repeated positioning precision of an existing switching mechanism cannot meet the use requirements under the condition of visible light television equipment and in a severe environment.The switching mechanism is characterized by comprising a main frame assembly, a rotating lens barrel assembly and a limiting assembly which are arranged in a main frame, and a driving assembly; the rotating lens barrel assembly comprises a rotating lens barrel, a first switching lens group, a fourth switching lens group, a light shield, a second switching lens group, a third switching lens group,a first inner shaft and a second inner shaft, wherein the first switching lens group, the fourth switching lens group, the light shield, the second switching lens group and the third switching lens group are sequentially installed on the circumferential side face of the rotating lens barrel clockwise, and the first inner shaft and the second inner shaft are fixedly connected to the two ends of therotating lens barrel respectively and rotationally connected with the main frame; a light through hole is formed in the circumferential side surface of the rotary lens barrel; the first switching lens group and the second switching lens group, the fourth switching lens group and the third switching lens group, and the light shield and the light through hole are separately coaxial; the limiting assembly comprises two magnet limiting assemblies and a plunger limiting assembly.

The invention relates to an anticreeper mounting base for a low-floor rail vehicle. The anticreeper mounting base is of a box structure; a vehicle hook mounting joint and/or a driver cab mounting port and/or an anticreeper mounting port is arranged on the mounting base, the vehicle hook mounting joint is fixedly connected with a vehicle hook mounting base, the driver cab mounting port is fixedly connected with a driver cab vehicle body, and the anticreeper mounting port is used for mounting an anticreeping energy absorbing element. The anticreeper mounting base has the advantages that the structure is simple, the occupation space of the whole mounting base is small, and the installation requirement of the narrow space of a chassis of the low-floor rail vehicle is met; at the premises of guaranteeing the structure rigidity and connecting strength of the mounting base, the maximum light-weight design is realized, and the higher light-weight requirement of the vehicle is met.

The invention discloses a single rod type main bearing structure applicable to a micro-nano remote sensing camera, relates to the technical field of space optical remote sensing, and solves the problems that the existing coaxial space camera main support structure is high in weight and large in shading ratio and process difficulty, an integrated formation structure is too high in production cost and long in processing period and the like. According to the single rod type main bearing structure applicable to the micro-nano remote sensing camera disclosed by the invention, a secondary mirror bracket and a support rod are in flanged connection; the support rod and a main backplate are in flanged connection; due to adoption of a split type structure, instead of an integrated structure, the processing difficulty of silicon carbide can be greatly reduced; the production period and the manufacturing cost are greatly reduced; the low-cost and short-period requirements of micro-nano load are satisfied; a countersunk bottom hole and an embedded part are pre-punched on a silicon carbide material; an epoxy resin adhering manner is adopted; and the problems that the process of directly processing a threaded hole in the silicon carbide material is high and damage is easily caused can be avoided. By means of the single rod type main bearing structure applicable to the micro-nano remote sensing camera disclosed by the invention, the structural precision and the stability are improved; the structural part number and the manufacturing process are simplified; and the processing period and theprocessing cost are shortened.

The invention discloses a topology optimization-based cobweb-like interlayer rib plate composite structure design method, which comprises the following steps of: 1, performing a static analysis on an original structural component to obtain a deformation cloud chart; 2, performing a topological optimization design on the structural component to obtain a topological optimization unit pseudo-density diagram; 3, finding the position of a largest deformation zone from the deformation cloud chart of the structural component; 4, arranging annular regular parallels and regular meridian lines of the structural component; 5, determining the arrangement density of the regular meridian lines; 6, arranging irregular meridian lines on some parts of the component; 7, combining the topology optimization to obtain a hollow component structure; 8, making a thin layer plate on the upper layer of the cobweb-like interlayer rib plate to fully envelope the cobweb-like rib plate, so that the middle interlayer becomes a composite structure of the cobweb-like rib plate; and 9, repeatedly improving the original component according to the steps. The invention has scientific concept and a novel structure, can meet the requirement of aerospace on light weight design, and has good practical value and wide application prospect in the engineering and technology field.

The invention provides a composite material reinforced part and forming process method, The composite material is a carbon fiber/epoxy resin type, and the forming process method comprises the following steps of S1, drawing a 2D expanded drawing according to a 3D drawing of a reinforced part; S2, enabling the carbon fiber composite material flexible joint reinforced part to be subjected to laying design, the proportion of a large opening, a middle section and a small opening is 1 to 2 to 1, all the parts to be overlapped, and no obvious boundary to exist; S3, performing layering angle and sequence design on the carbon fiber composite material flexible joint reinforced part according to four layering angle directions of plus 45 degrees, 0 degree, 90 degrees and minus 45 degrees between the carbon fiber composite material flexible joint reinforced part and the axis; S4, manufacturing a to-be-cured reinforced part by adopting a hot-pressing curing process; S5, carrying out vacuum bag combination on the to-be-cured reinforced part, putting the to-be-cured reinforced part into an autoclave, and heating and curing; and S6, carrying out appearance processing on the cured reinforced part to obtain a required product. According to the process method, targeted design is carried out according to the special stress condition of the flexible joint, the advantage of anisotropy of a carbon fiber composite material is fully utilized, the performance is further improved, and the weight is further reduced.

The invention discloses a pre-stressed flexible support inclined uniaxial tracking support system which comprises a flexible support, a tracking device and a transmission device. The flexible supportis arranged by multiple groups of support column structures. Each group of support column structure is composed of two groups of columns and load-bearing steel cables. The tracking device comprises adriving rotary reduction motor. The transmission device is connected with the corresponding photovoltaic module through each driving swing arm. The driving steel cable is annular, and the middle partis wound and fixed on the output shaft of the driving rotary reduction motor and the two ends respectively pass through a driving pulley I and a driving pulley II. The left and right sides of the active steel cable are respectively connected with the corresponding connecting steel cable I and the connecting steel cable II along the front-and-rear direction. Compared with the traditional tracking bracket, the cost is reduced. Compared with the traditional fixed support, the power generation efficiency is improved and the secondary utilization of land can be realized.

The invention discloses a single-phase linear-motion inserting sheet type electromagnet which comprises an armature assembly, a stator assembly, a shell, a front end cover and a rear end cover, wherein the stator assembly comprises a stator left retainer, a stator left inserting sheet, a stator right retainer, a stator right inserting sheet, a coil retaining frame, a control coil and a circular-ring-shaped permanent magnet. The armature assembly comprises three portions, namely a hollow cup type armature retainer, armature inserting sheets and a push rod, wherein a plurality of inserting slots which are evenly distributed are formed in the radial outer cylindrical surface of the hollow cup type armature retainer, the armature inserting sheets can be inserted into the inserting slots and are made of silicon steel materials. Each arm inserting sheet is in a flat strip shape, is formed in a cold stamping mode and is provided with three rectangular teeth at different intervals, and the widths of the three rectangular teeth are the same. The shell, the front end cover and the rear end cover restraint and fix the stator assembly in the axial direction, and the shell is connected with the front end cover and the rear end cover through bolts.

The invention discloses a vehicle longitudinal trim control device. The device comprises a damping mechanism, lever mechanisms are symmetrically arranged on the two sides of the damping mechanism androtationally connected with the damping mechanism, transmission rods are connected to one ends of the lever mechanisms on the two sides, and the transmission rods are rotationally connected with the lever mechanism. The device has the advantages that by arranging the damping mechanism of an independent suspension, the damping mechanism can only take effect when wheels hop in the same direction simultaneously for twice, that is to say, the damping mechanism can only take effect when a longitudinal trim tendency exists, and then the purpose that individual control over the longitudinal trim characteristic is conducted while the vehicle longitudinal trim characteristic is not affected can be achieved; therefore, by means of the device, good longitudinal trim control can be provided for a vehicle under the condition of not affecting the vehicle longitudinal trim characteristic; in addition, the device is compact in structure, simple in layout and easy to disassemble, install and adjust, and has an extremely high application value.