121results about How to "Guaranteed assembly effect" patented technology

The invention provides a high-throughput sequencing data-based genome de novo assembly method, which comprises the following steps: (1) establishing a de Bruijn graph according to high-throughput sequencing data, and carrying out sequencing data error correction and super read assembly on the basis of the corrected de Bruijn graph; (2) utilizing super read to carry out primary contigs assembly; (3) taking specifically local primary contigs and reads, locally assembling, and combining all local assembly results; (4) sequencing contigs by a sub-graph segmentation algorithm and a simulated annealing algorithm to obtain final scaffolds. The errors brought by high-throughput sequencing are eliminated by de Bruijn graph correction, so that the data accuracy is improved; the sequencing read length is improved by establishing a super read method, and the contigs length is obviously enhanced; the processing capacity of repeated sequences is greatly enhanced by local assembly.

An exhaust casing assembly used for a test piece of a gas compressor comprises an outlet casing assembly, a front exhaust outer ring section, a front exhaust inner ring section, a test lead, an exhaust casing connecting ring, a rear exhaust outer ring section, a rear exhaust inner ring section and a balancing disc sealing ring. The whole casing assembly is formed through assembly of the exhaust casing connecting ring. The front end of the outlet casing assembly is connected with an outlet of the gas compressor. The rear end of the rear exhaust outer ring section is connected with a rear exhaust section of the test piece of the gas compressor. The outlet casing assembly and the rear exhaust outer ring section are connected with a front component and a rear component in an overlapped mode. The outlet casing assembly, the front exhaust inner ring section, the rear exhaust outer ring section and the rear exhaust inner ring section are of cantilever structures. The exhaust casing assembly has the advantages that the exhaust casing assembly is applied to the test piece of the gas compressor which is high in pressure ratio and large is flow, the requirements for balanced axial force, exhaust flow pass switching and the like of the test piece of the gas compressor are met, and meanwhile the relative requirements for testability, assembling capacity, reliability, maintainability and the like of the test piece can also be met.

The invention provides a portable paraboloid satellite earth antenna capable of being rapidly erected and folded, which mainly comprises an antenna reflection panel, a supporting and adjusting mechanism of the antenna reflection panel, a feed source tuner assembling unit and a supporting and adjusting mechanism of the feed source tuner assembling unit. The antenna is characterized in that the supporting and adjusting mechanism of the antenna reflection panel comprises a chassis, a first support, a second support, a facing bar, a third support, a locating support, an elevation regulating stem lower part, an elevation regulating stem upper part and a first dished lock-screw, wherein the first support and the second support are fixedly connected with the chassis; the facing bar is fixedly connected with the antenna refection panel, the third support is fixedly connected with the facing bar, one end of the locating support is fixedly connected with the facing bar and the other end of the locating support is flexibly connected with the first support; and the elevation regulating stem lower part is flexibly connected with the second support, one end of the elevation regulating stem upper part is flexibly connected with the third support, the other end of the elevation regulating stem upper part is flexibly sheathed with the elevation regulating stem lower part, and the first dished lock-screw is connected with the elevation regulating stem upper part. The invention is especially suitable for temporary sites and outdoor sites and has the advantages of compact structure, rapid andflexible erection and folding, convenient carrying and strong practical applicability.

The invention provides a chassis equipment cabin baseplate for a high-speed rail vehicle. The chassis equipment cabin baseplate comprises an outer skin, an inner skin, a middle foam interlayer and a hook, wherein both the outer skin and the inner skin are made of carbon fiber twill fabric and carbon fiber unidirectional fabric and adopt the vacuum injection formation technology; the middle foam interlayer is made of PVC interlayer foam and adopts the vacuum injection formation technology; the PVC interlayer foam comprises a foam body part and an edge part on the edge of the foam body part; the hook is arranged at the common end parts of the outer skin, the inner skin and the middle foam interlayer. The production method of the chassis equipment cabin baseplate is easy to operate, and short in production time; as the outer skin and the inner skin, which are made of carbon fiber composite materials, as well as the middle foam interlayer adopt the vacuum injection formation technology, the chassis equipment cabin baseplate has the advantages that the surface is smooth and flat, the assembly parts are less, the assembly cost as well as the assembly time is greatly reduced, and routine maintenance is easy.

The disclosure provides a turbo-charging apparatus for a vehicle engine, which includes a first and second turbocharger, an inter-turbine passage connecting a discharging port of a first turbocharger turbine with an introducing port of a second turbocharger turbine, a bypass passage connecting an introducing passage of the first turbocharger turbine with the inter-turbine passage, and a control valve for opening and closing the bypass passage. The inter-turbine passage extends substantially straight from the discharging port of the first turbocharger turbine toward the second turbocharger when viewed from a direction parallel to turbine shafts of the first and second turbochargers, which are arranged substantially parallel to each other, so that the inter-turbine passage connects with an outer circumferential part of the second turbocharger turbine so as to extend in a direction tangent to an outer circumference direction of the second turbocharger turbine.

The invention discloses an aero-engine internal nut universal joint driven tightening device and method and belongs to the technical field of automatic assembly. The aero-engine internal nut universaljoint driven tightening device comprises a tool pre-locating system, a nut alignment locating system and a universal joint tightening system. A nut to be tightened is sleeved with a tightening sleevethrough the nut alignment locating system. A tightening motor drives the tightening sleeve to complete tightening operation. The aero-engine internal nut universal joint driven tightening device adopts the automatic operation mode to implement the steps of coaxially locating the tightening device and a rotor shell, rotating the tightening sleeve to the nut to be tightened, tightening the nut andthe like, has the characteristics of being high in automation degree, motion precision and tightening precision, reduces manual operation tasks, greatly simplifies the operation process, avoids errorscaused by manual operation and ensures the tightening consistency of the internal nut, and the working efficiency of whole machine assembling is improved.

The invention discloses a clamping piece convenient to disassemble for a modular assembly wallboard, and belongs to the technical field of wallboards. The clamping piece comprises a clamping seat, wherein wallboard bodies are arranged on the two sides of the clamping seat; a rotating mechanism is arranged in an inner cavity of the clamping seat; the two sides of the rotating mechanism are connected with the wallboard bodies through connecting mechanisms; the two sides of the rotating mechanism are connected with the wallboard bodies through clamping mechanisms; the rotating mechanism comprisesa rotating rod; a rewinding bearing is arranged at the bottom of the rotating rod in a sleeving manner; and the rewinding bearing is embedded in one side of the inner cavity of the clamping seat. According to the clamping piece, the two sides of the wallboard bodies can be clamped and limited, screws and nuts do not need to be screwed, the assembly difficulty is remarkably reduced, complete disassembly can be carried out only by reversely screwing the rotating rod during disassembly, the sustainable utilization capacity of the disassembled clamping seat is improved, the disassembly safety andthe recycling rate can be improved by erecting a clamping block and a clamping seat which are in contact, and the assembly clamping requirements of the wallboard bodies are met.

The invention discloses a combined motorcycle headlamp bracket. The combined motorcycle headlamp bracket comprises an upper bending plate, a lower bending plate, a left main connecting rod, a right connecting rod, a left bending plate and a right bending plate; wherein the upper bending plate and the lower bending plate are separated in vertical direction, and the upper bending plate is located in front of the lower bending plate; the left bending plate and the right bending plate are arranged on the left and the right sides of the upper bending plate in mirror symmetry; the middle of the left bending plate is welded with the upper bending plate via the left main connecting rod; the middle of the right bending plate is welded with the upper bending plate via the middle of the right main connecting rod; the lower end of the left main connecting rod and the lower end of the right main connecting rod are backwards bent and then upwards bent so as to vertically penetrate the rear part of the lower bending plate; and the upper end of the left main connecting rod and the upper end of the right main connecting rod are backwards bent and then upwards bent. Four front steering lamp bracketmounting holes, three air deflector mounting holes and two instrument bracket mounting holes are arranged at the combined bracket so that a front steering lamp bracket, an air deflector and an instrument bracket can be mounted together.

The invention provides a floor block connecting structure, which comprises a blind hole arranged at the side edge of the floor block, and a wood plug strip which can be plugged into and clamped to be fixed in the blind hole. The invention also provides a floor block, which comprises a floor body, wherein the side surface of the floor body is provided with more than one blind hole distributed along the length direction of the side surface, the floor bodies are spliced together via the wood plug strip which can be plugged into and clamped to be fixed in the blind hole. The invention uses the wood plug strip and the blind hole to splice the floor blocks, the blind hole can be processed by a punching machine very conveniently, the wood plug strip can be independently manufactured in batches, the prior complicated process of milling tongue-shaped objects matched with a clamping groove is omitted, and the production efficiency is greatly increased.

Elastic fastening device 10, characterized in that it comprises an inner perimeter 1 that forms an axial passageway 2 in a central zone of the device and an outer perimeter 3, with the device comprising a plurality of locking elements 4 arranged on the inner perimeter 1 and with the outer perimeter 3 comprising at least one elastic support shaped essentially like a laminar section folded over on itself.

The invention discloses an installation bracket for a motorcycle instrument. The installation bracket is composed of a first installation plate (1) and a second installation plate (2), wherein three triangularly distributed instrument installation holes (1a) are arranged at the upper middle part of the first installation plate (1); two instrument bracket installation holes (1b) are arranged at the lower part of the first installation plate (1); an included angle is formed by a plane of the instrument installation holes (1a) and a plane of the instrument bracket installation holes (1b); the second installation plate (2) is welded in the middle of the first installation plate (1) and located among the three instrument installation holes (1a); the left and right ends of the second installation plate (2) extend out of the first installation plate (1); and an instrument shield installation holes (2a) are arranged at the left and right ends of the second installation plate (2). With the adoption of the installation bracket, the instrument and an instrument shield can be installed together; and the installation bracket for the motorcycle instrument has the effects of simplifying the structure, saving materials and attractive assembling.

The invention relates to the technical field of automatic production, in particular to a double-Z-axis TP screen assembling system which comprises a driving control device, an adjusting mechanism usedfor adjusting a flexible circuit board and a picking mechanism used for picking up a panel and assembling the panel with the flexible circuit board; and the driving control device is used for drivingthe adjusting mechanism and the picking mechanism to ascend and descend. According to the double-Z-axis TP screen assembling system, the adjusting mechanism and the picking mechanism are controlled to ascend and descend through the driving control device, thus, after the adjusting mechanism adjusts the flexible circuit board, the adjusting mechanism can ascend to avoid affecting transmission of the flexible circuit board, the picking mechanism descends to enable the flexible circuit board to be attached to the bottom of the panel picked up by the picking mechanism, and therefore the assembling effect is guaranteed.

The invention discloses a carrier manipulator for a front shell of a Bluetooth headset charging box. The carrier manipulator comprises a mounting plate, wherein a display screen and an operation panelare mounted on the mounting plate; the mounting plate is mounted at the top of a base; a driving box is mounted at the top end of the base; the driving box is connected with a mounting box through arotating mechanism; a first hydraulic rod is mounted on the mounting box; the first hydraulic rod is hinged to one end of a second hydraulic rod; the other end of the second hydraulic rod is hinged toa fourth hydraulic rod; a third hydraulic rod is hinged between the first hydraulic rod and the second hydraulic rod; a working plate is mounted at the bottom of the fourth hydraulic rod; and a working device is mounted at the bottom of the working plate. The carrier manipulator is convenient to use, good in assembling effect and high in assembling efficiency.

The invention provides an aluminum-wood sectional material assembling device and method thereof. The device comprises a rack, an aluminum material fixing mechanism, wood material assembling mechanisms, discharging mechanisms and a rotating roller. A rotating cylinder is installed at the power output end of a dual-shaft hydraulic cylinder inside the aluminum material fixing mechanism, a supportingframe is installed at the power output end of the rotating cylinder, two hollow supporting rods are located on the supporting frame, a plurality of piston ejector rods are arranged inside the hollow supporting rods, a high-pressure air pump is communicated with the two hollow supporting rods, the two wood material assembling mechanisms are placed oppositely, a linear motion mechanism is movably installed on the rack through two hydraulic cylinders, the dual-shaft cylinder is installed on the linear motion mechanism, and the two discharging mechanisms are arranged oppositely. Gas is introducedinto the hollow supporting rods through a high-pressure air pump, then, an aluminum sectional material is jacked to achieve the supporting effect through the piston ejector rods, the rotating cylinderdrives the hollow supporting rods to rotate, operation is performed at a discharging station while operation is performed at an assembling station, and the assembled aluminum-wood sectional materialsare automatically discharged through the discharging mechanisms.

The invention discloses a semi-automatic assembly device for a front frame and a screen of an automobile vehicle-mounted screen, comprising a base, a vertical frame, a driving mechanism, a positioningmechanism, a front frame die socket and a vehicle-mounted screen assembly mechanism, wherein the vertical frame is arranged on the base; the front frame die socket is disposed above the base at intervals through the vertical frame; the front frame die socket is of an annular structure; the front frame die socket is loaded with the front frame; the vehicle-mounted screen assembly mechanism is arranged above the base; the vehicle-mounted screen assembly mechanism is loaded with the vehicle-mounted screen; the vehicle-mounted screen assembly mechanism is moved up and down by a driving mechanism;the vehicle-mounted screen assembly mechanism passes through an inner ring region of the front frame die socket; the front frame die socket is provided with the positioning mechanism; the positioningmechanism positions the initial position of the vehicle-mounted screen on the vehicle-mounted screen assembly mechanism. The vehicle-mounted screen and the front frame can be semi-automatically assembled, efficiency can be improved, and a better assembly effect is achieved.

The invention discloses a multifunctional hood component, which is formed by fastening a front hood body and a rear hood body, wherein the front hood body and the rear hood body are eudipleural; the middle of the front hood body is arched forwards; headlamp mounting holes are formed on the inner side of the front hood body; the middle of the rear hood body is arched backwards; an ignition switch mounting hole and two instrument display holes which are distributed on the left and right sides are formed on the upper part of the rear hood body; instrument mounting columns are arranged at positions on the inner side of the rear hood body close to the instrument display holes; the lower end of the rear hood body downwards extends to form two support lugs which are distributed on the left and right sides; lower connecting plate mounting holes are formed on the support lugs; the lower left part and the lower right part of the rear hood body are respectively provided with a steering lamp mounting hole; and planes where the two steering lamp mounting holes are positioned are respectively perpendicular to planes where the support lugs are positioned. The multifunctional hood component integrates an instrument shield, an ignition switch cover, a steering lamp mounting plate and a headlamp shield, and has the characteristics of avoiding interference, saving cost, along with simplicity in assembly.

The invention discloses a seal ring with a heating function for an outer barrel of a drum washing machine. The drum washing machine comprises a machine body, the outer barrel and an inner barrel. Theouter barrel and the inner barrel are arranged in the machine body. The inner barrel is arranged in the outer barrel rotationally. The seal ring sleeves an opening of the outer barrel. An annular pipeline is arranged in the seal ring. An air inlet and a plurality of air outlets are arranged on the annular pipeline. The air outlets are evenly distributed on the annular pipeline around the axis circumferentially. A wind inlet is arranged on the machine body, and is connected with the air inlet through a wind inlet pipeline. A wind guide element is arranged in the wind inlet pipeline. A heating element is arranged in the annular pipeline and adjacent to the air inlet. By the seal ring, the problems of proneness to bacteria breeding and odor generation of inner walls of seal rings of washing machines due to long-term placement in a moisture environment are solved.

The invention discloses an oil-drive coupling delivering and connecting mechanism and relates to a delivering and connecting mechanism delivering liquid and transmitting torque. The oil-drive coupling delivering and connecting mechanism is capable of transmitting torque and delivering liquid in two directions, simple to assembly and reliable in transmission and has high sealing performance and economic efficiency. An input shaft and an output shaft are provided with through holes for delivering oil along the axial direction in the middle and are coaxially arranged, projections or grooves on the end face of the input shaft are in close fit to the grooves or projections of the output shaft, and annular sealing parts are fixedly mounted in annular sealing grooves of the outer circumferences of the input shaft and the output shaft. A connecting casing is tightly sleeved with the joint of the input shaft and the output shaft, elastic shaft retainer rings are fixedly mounted in the annular grooves of the outer circumferences of the input shaft and the output shaft, and the connecting casing is axially limited by the elastic shaft retainer rings. The connecting casing is sealed with the input shaft and the output shaft through the annular sealing parts. The oil-drive coupling delivering and connecting mechanism can be used for an occasion that two hollow semi-shafts used for transmitting torque and delivering liquid are needed to be in shaft connection.

The invention provides an iridium-based multi-component nano-porous catalyst as well as a preparation method and application thereof, belongs to the technical field of catalytic materials, and solves the defects of low anode electrolysis efficiency, large use amount of noble metal in the catalyst and relatively high cost of a water electrolysis hydrogen production catalyst in the prior art. The iridium-based multi-element composite nano-porous catalyst comprises iridium and/or iridium oxide and further comprises an oxide compounded with the iridium and/or iridium oxide, the oxide has conductivity, and the dielectric constant of the oxide is smaller than 80 F/m. The catalyst provided by the invention has low overpotential and high mass activity, the use amount of precious metal iridium can be reduced, and the energy consumed by oxygen evolution reaction is less.

The invention discloses a high-strength straight gear and a manufacturing method thereof. The high-strength straight gear comprises a gear ring and a gear hub, wherein the gear hub is arranged in thegear ring and provided with a fixing mechanism, the gear ring is provided with a fixing groove, the fixing mechanism is clamped in the fixing groove, the gear hub is provided with a positioning protruding part, the gear ring is provided with a positioning groove, and the positioning protruding part is arranged in the positioning groove; and the method adopts five steps of a, part manufacturing, b,fixing mechanism assembling, c, gear ring machining, d, gear assembling, and e, gear detection. According to the gear and the method, replacement time of the gear ring can be saved, the gear ring isconvenient to replace, the installation precision of the gear is ensured, slipping between the gear ring and the gear hub is avoided, and the reliability of the gear in the working process is ensured;and by means of the method, gear manufacturing can be facilitated, the gear quality is improved, time needed for gear manufacturing is saved, the production efficiency is improved, and the gear strength is ensured.

The invention discloses a steel-concrete bridge body and an assembling construction process thereof. The beam body is a composite beam formed by longitudinally connecting a plurality of prefabricatedsegmental box girders; each segmental box girder comprises a concrete top plate, a concrete bottom plate, a vertically-arranged middle web plate and a pair of side web plates. The middle web plates and the side web plates are corrugated steel web plates; temporary matching pieces are fixed to the side edges of the corrugated steel web plates. After the temporary matching pieces corresponding to the adjacent corrugated steel web plates are mutually connected, the side edges of the corresponding corrugated steel web plates are mutually matched and attached; the side web plates incline by a certain angle so as to form an inverted trapezoidal structure with the concrete top plates and the concrete bottom plates, and flange cantilevers horizontally extending out of the inverted trapezoidal structure are arranged on the two transverse sides of the concrete top plates. Accurate positioning between the box girders can be achieved only through connection between the temporary matching pieces, then the assembling effect between the box girders is guaranteed, the positioning efficiency is greatly improved, and meanwhile the positioning reliability can be guaranteed.