2274results about How to "Save assembly time" patented technology

The invention discloses a method for testing the assembly performance of a rotor of an aircraft engine, which comprises the following steps of: firstly exciting and vibrating a rotor of an aircraft engine with a vibration exciter; obtaining a multiple carrier-coupled impulse response signal of the rotor of the aircraft engine with a vibrating sensor and signal-acquiring system software; analyzing the obtained multiple carrier-coupled impulse response signal of the rotor of the aircraft engine by means of dual-tree complex wavelet transform to obtain eight signal carrier-coupled impulse response signals of the rotor of the aircraft engine; and distilling the average assembly performance index of the obtained eight signal carrier-coupled impulse response signals of the rotor of the aircraft engine, wherein the assembly performance of the rotor of the aircraft engine is judged to be qualified if the obtained average assembly performance index is larger than or equal to 10, and the assembly performance of the rotor of the aircraft engine is judged not to be qualified if the obtained average assembly performance index is less than 10, so that the rotor needs to be repaired.

A pre-assembled pipe coupling for joining and sealing two grooved-ended pipe segments without disassembling the coupling is disclosed. The coupling has a housing with upper and lower arcuate housing segments and left and right bridge segments. Each bridge segment has at least one set of dihedrally angled faces that engage corresponding faces each in the upper and lower housing segments. Drawing the upper and lower segments inwardly together along a first axis, presses each bridge segment inward along a second axis roughly tangential to the first axis. All segments are loosely pre-assembled with bolts and nuts into a coupling and all segments each have radially inwardly projecting lands that mate with end grooves in the pipes to be joined. The coupling also has a one-piece circular sealing gasket that has an inward circumferential and centrally positioned pipe stop that has an inner diameter smaller than an outer diameter of the pipes to be joined. The gasket has two circumferential sealing lips axially outward from the pipe stop, the inner diameter each sealing lip larger than the outer diameter of the pipe segments to be joined.

Method for joining and sealing two grooved-ended pipe segments with a pre-assembled pipe coupling, without disassembling the coupling, is also disclosed.

A structure for combining a printing circuit board with a rack comprises a fixing sheet, a plurality of supporting seats and buckling sheet; the fixing sheet and the buckling sheet are respectively at the opposite sides; the fixing sheet has a level section, a positioning pin is disposed at the lower side of the level section; another pin is disposed at the top end of the supporting seat proximate to the buckling sheet; a buckling tenon is disposed on the top end of said buckling sheet; the fixing sheet, the supporting seats and the buckling sheet are used to fix the printing circuit board without needing other screws and screw drivers, the printing circuit board can then be allowed to combine with or separate from the rack. Whereby, the combination or the detaching operation can be more convenient, the production time and cost can be saved.

A container receives lamps each having a lamp tube and a conductive member. The container includes a container body exposing the lamp tube and covering the conductive member, and a clip type power-supply unit holding the conductive member in a clip-coupling manner so that the container securely receives the lamps. The clip type power-supply unit supplies power to the conductive member. The clip type power-supply unit has a conductive base body coupled to the container body, a clip body protruded perpendicularly from the conductive base body, and a clip section protruded from the clip body to grip the conductive member. The container also has a shock absorbing member disposed between the container body and the clip type power-supply unit.

The invention discloses a focusing module and an assembly process thereof. The focusing module comprises a lens base component, a lens cone component, an image sensor component and a fine-tuning component, wherein an image sensor in the image sensor component is clung to the upper surface of a circuit board, the lens cone component is fixed on the lens base component, the fine-tuning component is located between the lens base component and the lens cone component, the lens base component is mounted on the image sensor component, and the lens cone component comprises a lens cone internally provided with a first lens. According to the invention, the lens base is directly mounted on the image sensor, requirements on the flatness and centrality of the circuit board are lowered, and meanwhile, owing to the added fine-tuning component, the focusing is convenient, the assembly time is saved, the production capacity is effectively improved, and mass production is facilitated.

The invention discloses a full-automatic assembly machine of buckles of automobile door panels. The full-automatic assembly machine comprises a machine table, and a buckle feeding mechanism is arranged on one side of the machine table; at least two carrying table moving mechanisms are transversely arranged on the machine table; at least two product assembly carrying tables are arranged on the carrying table moving mechanisms; a buckle feeding and assembly mechanism is arranged above the tail ends of the carrying table moving mechanisms; each product assembly carrying table is provided with at least ten product pressing mechanisms; and at least one buckle mechanical hand is arranged. According to the full-automatic assembly machine, alternate feeding, alternate buckle assembly and alternate product unloading operation manners are adopted for the automobile door panels, so that the assembly time is greatly saved, the assembly efficiency is improved, and the production cost is reduced; and automatic operation is adopted during the whole process, and workers do not need to participate in assembly, so that the automobile door panel buckle manual assembly operation mode adopted at present is avoided, the problem of high cost is solved, and the assembly effect is good.

The invention relates to a rack storage system (1) having a conveyor vehicle (3) for transporting goods (3) to be stored, parallel storage racks (6a, 6b) and a rack aisle (7) extending therebetween, which storage racks (6a, 6b) each comprise front track posts (12) adjacent to the rack aisle (7), rear rack posts (13) remote from the rack aisle (7) and front and rear horizontal beams (14, 15, 16, 17) extending in the direction of the rack aisle (7) in rack planes (10) that lie one above the other, wherein the autonomous conveyor vehicle (3) is drivable on the front horizontal beams (14, 15, 16, 17) opposite of one another. The front and/or rear horizontal beams (14, 15, 16, 17) in at least one of the rack planes (10) comprise, in the direction of the longitudinal extent thereof, at least one mounting section (66; 76) in which mounting interfaces (67) for fixing at least one function add-on module (57) of the rack storage system (1) and optionally a mounting plane for the function add-on module (57) are formed.

A wind turbine blade, which is transversely subdivided into two or more independent modules (1-2) constituted of external aerodynamic cases or walls (4) and an internal longitudinal reinforcement structure (3). The modules are provided with connecting means located in coincidence with the end sections of the longitudinal reinforcement structure (3) and are constituted of lugs (5-7, 6-8), projecting in coinciding portions provided with faceable holes (9) for receiving jointing elements.

The invention provides a backlight module and a display device. The display device comprises the backlight module and a display panel. The backlight module comprises a housing, a light guide plate and a light source, wherein the light guide plate is arranged in the housing and is provided with a light-emitting surface and a positioning convex part; the positioning convex part protrudes out of the light-emitting surface; and the light source is arranged on at least one side of the light guide plate. In the invention, the assembly structure and the assembly process of the display device can be simplified through the utilization of the positioning convex part.

The invention provides a cabling structure in a hinge cap of a notebook computer. The cabling structure comprises the hinge cap of the notebook computer, wherein a pair of inward opening cable clamp doors is symmetrically arranged in the hinge cap, and a cabling position is arranged on the cable clamp door or between the cable clamp door and an inner wall of the hinge cap in a matching manner. The cabling structure adopts the cable clamp door capable of inward rotating and automatically resetting to clamp cables, and the purpose of cable arrangement is achieved; and the structure is reasonable in design, and convenient to mount and use.

The invention discloses an electric power steering system of a new energy vehicle and a control method of an electric control unit thereof. The electric control unit comprises an input circuit which is used for connecting with a sensor part, an MCU and an output circuit which is used for connecting with an actuator part, wherein both ends of the MCU are connected with the input circuit and the output circuit; the control method adopts an improved PI algorithm; integral separation and dead zone processing are carried out, and the smooth and steady follow of power torque under the condition of low cost of hardware is realized by the current closed-loop control of the variable parameter PID based on vehicle speed grouping; the duty ratio nonlinear compensation technique is adopted in the mode of limited bipolar pulse width modulation; the duty ratio is corrected by the current in the limited bipolar mode. When the current is across a dead zone, namely when the target current is changed from positive to negative or from negative to positive, and when the power is from zero to existence, the duty ratio is directly arranged near the target current value to be accurately adjusted by the current closed-loop feedback, and the current of the motor can reach the target value.

The invention discloses an anti-seismic prefabricated concrete solid square pile which comprises main reinforced bars, hoop reinforcements, anchoring bars, pile caps and concrete. A cross section main body of a pile body is square; the main reinforced bars are formed by sequentially permutating and combining prestress main reinforced bars and general main reinforced bars and penetrate through the pile body along the longitudinal direction of the pile body; the hoop reinforcements are arranged on the outer edges of the main reinforced bars and are spirally squared; the pile caps are respectively arranged at two ends of the pile body and consist of end plates and skirt edges; the main reinforced bars and the hoop reinforcements are connected by welding or binding to form a steel reinforcement cage; two ends of the prestress main reinforced bars are fixedly arranged on the end plate by riveting or using a bolt connecting mode; the general main reinforced bars are separated from the end plate and are shorter than the prestress main reinforced bars; and the anchoring bars are respectively arranged at two ends of the pile body. The anti-seismic prefabricated concrete solid square pile with the structure simultaneously has high press bearing capacity, tensile bearing capacity, shear bearing capacity and flexural bearing capacity and is a concrete solid square pile suitable for industrial mechanical production and is used for high seismic fortification intensity.

The invention discloses a direct type liquid-crystal display device and relates to the technical field of electronic and electrical products. The direct type liquid-crystal display device comprises a back plate, a middle frame, a front frame, a backlight module and a display screen, wherein the back plate comprises a base plate and side plates, the middle frame is installed on the side plates through fasteners and clamping tables, a supporting plate is further arranged on the middle frame, the backlight module is embedded between the supporting plate and the back plate, the front frame covers the outer side of the back plate and the outer side of the middle frame, and the display screen is embedded between the front frame and the supporting plate. A reinforcing plate is further fixed to the back plate, clamping hooks are arranged on the reinforcing plate, the backlight module comprises lamp strips, the lamp strips are provided with clamping holes, and the clamping hooks are matched with the clamping holes to fix the lamp strips on the reinforcing plate. The strength of the back plate is improved by arranging the reinforcing plate on the back plate, back plate damage during lamp strip installation is avoided, the size of the back plate is decreased, and the production cost is saved. In addition, the lamp strips and the reinforcing plate are connected through the clamping hooks and the clamping holes, mounting and dismounting are convenient, the assembly time is saved, and the lamp strip mounting and changing efficiency is improved.

The present invention provides an optical sight with rangefinder and assembly method thereof. The optical sight comprises an erector lens unit, a photoelectric rangefinding unit, a barrel, an objective lens unit, a plurality of adjusting elements, a power supply unit and an eyepiece lens unit disposed on the barrel. The photoelectric rangefinding unit includes a laser emitter, a laser receiver and a range indicator. A plurality of openings are formed on sidewall of the barrel corresponding to the positions of the laser emitter, laser receiver and range indicator for conducting the cavity to outside the barrel. The assembly method comprises the steps of: assembling the erector lens unit, the photoelectric rangefinding unit and the barrel together, then connecting an objective lens unit and mounting a plurality of adjusting elements, adjusting the objective lens unit and mounting the adjusting elements and the power supply unit, adjusting the focus of the laser emitter and the laser receiver and adjusting the position of the range indicator through the openings formed on the barrel for complying with the requirement of photoelectric rangefinding performance. The assembly method of the optical sight according to the present invention can be adjusted after all elements are assembled. The assembly method of the optical sight according to the present invention can be used to reduce the adjusting times and prevent unnecessary disassemblies and re-assemblies for simplifying the assembly process and improving the yield rate and the productibility of the optical sight.

An electronic device assembly structure comprises two electronic devices and at least one connection module. Each electronic device includes a body and at least one USB located on the body. The connection module connects to the two electronic devices and includes an electric connection unit and a fastening unit. The electric connection unit is electrically inserted into the USBs of the two electronic devices. The fastening unit fastens the bodies of the two electronic devices together in an integrated manner.

A flat blade wiper for a vehicle includes a rigid elastic metal keelson strip, a saddle bracket for receiving a wiper adapter, an elongated scraping blade with an upper wing section, two rigid hard clipping sleeve mounts, and a pair of end positioning caps. Each clipping sleeve mount and wiper adapter saddle bracket has first compatible accommodating channels and second accommodating channels respectively so that the elastic metal keelson strip can run through the first accommodating channels while the upper wing section of the elongated scraping blade can run through the second accommodating channels in both the wiper adapter saddle bracket and the clipping sleeve mount. When the wiper swings back and forth, an acting force is directly transmitted to the clipping sleeve mounts by the metal keelson strip without any pause or delay, eliminating jerking so that no noise is incurred to spoil the internal tranquility of the vehicle.

The invention discloses a notebook computer heat radiator assembling device. The notebook computer heat radiator assembling device comprises a stand, a conveyance belt assembly, a first triaxial mechanical arm, a template holding mechanical arm and a spacer holding mechanical arm, wherein the conveyance belt assembly is mounted on the stand, and a template placing station and a heat radiator mounting station are arranged on the conveyance belt assembly; a first mechanical arm mounting seat is mounted on the first triaxial mechanical arm mechanism, and the first triaxial mechanical arm mechanism is movably mounted on the stand; the template holding mechanical arm is used for holding a template and is mounted on the first mechanical arm mounting seat, so that the template is arranged on the template placing station under the driving of the first triaxial mechanical arm mechanism after the template holding mechanical arm holds a template; the spacer holding mechanical arm is used for holding a spacer and is also mounted on the first mechanical arm mounting seat, so that a spacer is arranged in a spacer slot of the template of the template placing station under the driving of the first triaxial mechanical arm mechanism after the spacer holding mechanical arm holds the spacer; The device can implement the automatic assembly of a notebook computer heat radiator, so that the assembly time is reduced, and the assembly efficiency is improved.

The invention relates to the technical field of shipbuilding, in particular to a method for gathering ships by calculating frames, half widths and heights with three-dimensional coordinates, and aims to solve the problems of low accuracy, waste of time and force, and large error accumulation in the conventional measuring method. The method comprises the following specific steps: 1) building a coordinate system; 2) building a station for an instrument freely; 3) gathering segmentally; 4) floating and positioning; 5) measuring the principal dimension of ships. The measuring method has the advantages of high accuracy, saving of time and force, and free from error accumulation; measured data can be used for fully and visually reflecting posture of shipbuilding, so that the principal dimension and linearity of ship bodies can be measured and controlled strictly.

The invention relates to the field of marine engineering, and discloses an integrated manufacturing method for a shipboard segment in shipbuilding. At the stage of manufacturing the shipboard segment, longitudinal hatch coamings and shipboard standing poles are fixed on the shipboard segment by welding respectively. Particularly, before the erecting welding, the longitudinal hatch coamings are reserved with inverse deformation, and the inverse deformation value is 0 to 10mm deviation of the end parts of the longitudinal hatch coamings relative to the vertical wall plane of the inner shell. Therefore, in the method, the longitudinal hatch coamings and the shipboard standing poles are mounted at the stage of manufacturing the shipboard segment, and the method for controlling the mounting accuracy is also provided. Compared with the prior shipbuilding method, the method has the advantages of improving the segmentation integrity, saving the assembling and welding time of the longitudinal hatch coamings and the shipboard standing poles at the building berth (dock) stage and simultaneously saving polishing and painting time.

The invention relates to the technical field of optical fiber connectors, in particular to an optical fiber connector. The optical fiber connector comprises a ceramic ferrule shell, a ceramic ferrule, a spring and a shell body; in the process of assembly, fixing glue is dripped in the hole of the ceramic ferrule, the ceramic ferrule shell is fastened with the shell body, a processed optical fiber then sequentially runs through the shell body, and finally, the fiber core of the front end of the optical fiber is inserted in the hole in the ceramic ferrule. After the structure is adopted, the structure and the assembling method of the optical fiber connector optimize the conventional assembling steps, save the assembling time, and increase the production efficiency, so that assembly becomes simpler.