519results about How to "Optimize assembly process" patented technology

The invention discloses a door of a front-loading washer and belongs to the field of parts for front-loading washers. The door comprises an inner frame, a transparent basin, a middle frame and an outer frame which are arranged in order from inside of the door to the outside of the door; a window screen is disposed between the outer frame and the middle frame; the middle frame is in welded connection with the inner frame; the outer frame and the window screen are fastened to the middle frame; a decoration is provided between the window screen and the middle frame. The door is compact in structure and convenient to mechanically assemble; parts of the door are flexible to combine and select; personalized needs of different users can be met. An assembly method of the door includes assembling the parts of the door by plastics welding; production is highly effective; products are more reliable and durable.

The present invention provides an improved design for turbomachinery, such as blowers and compressors, for providing pressurized process gas. The improved design comprises two housing portions that fit together to form an interior cavity in which a preassembled rotating assembly may be installed and balanced. Each housing portion includes an interior compartment designed and shaped to correspond to desired positions of components of the rotating assembly. After the preassembled rotating assembly is seated within the interior compartment of the lower housing portion and balanced, the upper housing portion can be fitted to the lower housing portion to complete the machine housing and encompass and hold the rotating assembly in place without the need to remove or disassemble the rotating assembly. A collector cover can thereafter be attached to the assembled machine housing to enclose an impeller operatively mounted on a rotating shaft of the rotating assembly.

The invention relates to a magnetic liquid rotary sealing device, which belongs to the field of mechanical engineering sealing, and solves the problems of the existing sealing device that the machining and assembling precision is too high and the cost is increased because pole teeth are machined on a pole shoe or a shaft sleeve. The device is characterized in that a left rolling bearing, a first isolation magnetic ring, a left pole shoe with a rubber sealing ring, a permanent magnet, a right pole shoe with a rubber sealing ring, a second isolation magnetic ring and a right rolling bearing are installed in a shell and connected with threads on the shell through screws, and an end cover is fixed on the shell; magnetic liquid is filled in the shell; the shaft sleeve with a second adjusting pad is installed in an inner hole of the assembly; and a first adjusting pad is closely attached to a left end surface of the left rolling bearing, a retainer ring is closely attached to the left end surface of the shaft sleeve, and the retainer ring is connected with the shaft sleeve through a screw. Two end surfaces of the permanent magnet are machined into a zigzag shape, the magnetic field gradient needed by sealing part of the magnetic liquid is formed according to the shape of the magnet, and the machining and assembling process is improved.

The invention discloses a test turntable for an aircraft engine, and relates to continuously-rotating test equipment in the aviation field, in particular to the test turntable which is suitable for tests and rotor wings of engines of fixed models and other devices and used for dragging experiment. The test turntable comprises a turntable part, a sensor part, an electric conduction slip ring part, a clutch and brake device part, and a motor and bevel gear transmission case part; the motor and bevel gear transmission case part is fixed into a foundation through screws; the clutch and brake device part is fixed on the foundation through screws; the clutch and brake device part is connected with the motor and bevel gear transmission case part through a coupler; the electric conduction slip ring part is fixed on the clutch and brake device part through screws through screws and is adjusted horizontally through an adjusting shim; the sensor part is connected with the electric conduction slip ring part through screws and is horizontally adjusted through the adjusting shim; and the turntable part is connected with the sensor part through the screws and is horizontally adjusted through the adjusting shim.

The invention discloses a plane shape error evaluating method aiming at precise assembling and based on entropy theory. The surface of a part is measured; heights of all measuring points are taken as probabilities of all possible values of random variables; with the combination of the characteristic that the uniformity of occurrence probability of all possible values of the random variables can be evaluated, the plane shape error distribution uniformity is subjected to overall primary evaluation by using entropy functions; if the evaluation result shows that the influence of the shape error of a plane on assembling precision cannot be overlooked, the plane is further subjected to salient point and contact concave search, and the salient point heights, the position distribution uniformity and the contact convex area gentle degree are respectively evaluated, thereby establishing comprehensive evaluation indexes of the plane shape error distribution uniformity and accordingly evaluating the plane shape error of the precise assembling. By utilizing the method, the relationship among the plane shape error distribution uniformity, the assembling precision and the stability is revealed, and guidance for improving the assembling precision and optimizing assembling process is provided.

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.

The invention belongs to the technical field of power distribution equipment and relates to a power distribution control cabinet arranged and used in a power distribution room, in particular to a box type indoor power distribution control device which is a control cabinet applied to various indoor power distribution occasions for power distribution application. According to the indoor power distribution control device, a full-height rear mounting plate is fixed on a rear vertical mounting rail; both transverse ends of a half-height side mounting plate are clamped and fixed on the rear vertical mounting rail and a front vertical mounting rail; a horizontal separation plate is fixed on a side mounting guide rail; a base is fixed at the bottom of a box body; an outer mounting frame is respectively fixed on the rear bottom and the top of the body of a control box; a hook at one end of the half-height side mounting plate is clamped and fixed in a clamping port of the rear vertical mounting rail, while the other end of the half-height side mounting plate is fixed on a through hole of the front vertical mounting rail by using a fastening piece; and an element guide rail and a grounding bolt are transversely and vertically fixed on the half-height side mounting plate. The indoor power distribution control device has the advantages of simplicity in the integral structure, flexibility in preparation, use and mounting, good adaptability, stability in structural safety, simplicity and convenience in an assembly process and man power and financial resource saving and is suitable to be arranged in various indoor occasions.

The invention relates to a tube flange drill machine, which comprises support, mechanical transmitter, clamper, hydraulic system, and electric system, wherein it also comprises multi-axle power head with main axle box at the middle plate of support; a tower gear group on the transmission axle in main axle box with several active wheels on the transmission axle; several planet wheel symmetry distributed on the circumference of active wheels to mesh active wheels; several main axles on the planet wheels; the transmitter drives the main transmission axle via tower gear group to drive the main axles of planet wheels to rotate. The invention can process several holes at one time, with high efficiency and quality.

The invention relates to a hybrid electric vehicle transmission device. The hybrid electric vehicle transmission device comprises a planetary gear coupling mechanism, wherein the planetary gear coupling mechanism comprises a single-planetary row and a double-planetary row, the single-planetary row comprises a first sun wheel, a first planet gear, a first planet carrier and a first gear ring, and the double-planetary row comprises a second sun wheel, an inner planet wheel, an outer planet wheel, a second planet carrier and a second gear ring. An input shaft is used as the first transmission shaft, the two sun wheels are connected with each other and then connected with a rotor shaft of a second motor, and a second transmission shaft is constituted. The two planet carriers are connected to constitute a third transmission shaft, the first gear ring is connected with a rotor shaft of a first motor to constitute a fourth transmission shaft, and the second gear ring constitute an output shaft. The input shaft is connected to the output end of an engine through a torsional shock absorber. The first motor is connected to one end of a first brake, and a transmission housing is connected tothe other end of the first brake. The second motor is connected to one end of a second brake, and the transmission housing is connected to the other end of the second brake. By using the embodiments of the hybrid electric vehicle transmission device, the device structure can be optimized, and the transmission efficiency is improved.

The invention discloses an LED (light-emitting diode) dot matrix display screen and a combined dot matrix display screen. The dot matrix display screen comprises a heat-dissipating substrate, a PCB (printed circuit board), an uniformly-arrayed LED light-emitting unit, an imaging controller, a layout circuit conducting layer, a pervious-to-light packaging colloid for packaging LED chips, and a plastic plate forming the pervious-to-light packaging colloid for packaging the LED chips, wherein the LED light-emitting unit comprises more than one LED chips, guide lines and the pervious-to-light packaging colloid; the guide lines electrically connect the LED chips with the layout circuit conducting layer, and the pervious-to-light packaging colloid is used for packaging the LED chips; a hermetically-sealed outer cavity side wall which is hermetically connected with the plastic plate and the heat-dissipating substrate is arranged between the plastic plate and the heat-dissipating substrate; the heat-dissipating substrate, the hermetically sealed outer cavity side wall and the plastic plate defines a hermetically-sealed cavity, and the PCB is accommodated in the hermetically-sealed cavity; and the heat-dissipating substrate, the plastic plate and the pervious-to-light packaging colloid are directly contacted with the outside air. The dot matrix display screen disclosed by the invention has the advantages that of being simple in structure and low in cost and having good waterproof and heat-dissipating effects since the PCB is accommodated in the hermetically-sealed cavity formed by the heat-dissipating substrate, the hermetically sealed outer cavity side wall and the plastic plate.

The invention relates to a modularized mixed filter connector which comprises a plug and a socket. The mixed filter connector is characterized in that: the plug and socket of the connector are both provided with modules with radio frequency and wave filtering functions. The plug and a socket casing of the connector are both provided with chambers the number of which corresponds to the number of the modules with the functions. Every functional module is fixedly arranged in the corresponding chamber. The connector can transmit different signals simultaneously through different modules, has strong anti-interference performance, and meets the development trend of the requirements of equipment to electromagnetic compatibility. Besides, the connector is detachable, has the advantages of convenient assembly and maintenance and can meet the requirement of site replacement.

The invention discloses a mobile mangosteen picking robot. The mobile mangosteen picking robot includes a picking vehicle module, a shoulder joint module, an elbow joint module, a wrist joint module and a shearing module; the picking vehicle module is a basic positioning and mobile part of the whole device; the shoulder joint module is fixed on the picking vehicle body of the picking vehicle module through a base plate; the side end and lower end of the elbow joint module are connected with kinematic chain bearing end seats of two kinematic chains of the shoulder joint module respectively; thewrist joint module is fixed on a forearm connecting plate of the elbow joint module through a static platform; the shearing module is fixed on a mobile platform of the wrist joint module through a shearing motor bracket. According to the mobile mangosteen picking robot, the shoulder joint module adopts a spherical parallel mechanism with two freedom degrees, the elbow joint module adopts a parallel mechanism of a symmetrical structure, and the robot has the advantages of strong bearing capacity and large working space; a mechanical arm composed of shoulder, elbow and wrist joints is of a series-parallel structure and has six freedom degrees, mechanism motion is flexible, and the structure is compact.

An optical module according to the invention can achieve an optical system using a transmission-type diffraction grating for bending the optical path of incident light with a specific wavelength by about 90°. A substrate of the transmission-type diffraction grating is mounted at an angle in a range of ±5° with respect to the design incident angle α of the incident light. The optical system can be applied to a light multiplexing/demultiplexing module.

The invention provides an adhesive film. The adhesive film has the characteristic of simple assembling, the adhesive film also has the characteristics of high relative dielectric constant, good light proofness, adjustable color, strong adhesive strength, and the like, and the relative dielectric constant in over 6, therefore, the adhesive film is especially applicable to the adhering of capacitive fingerprint recognition chip module encapsulation. The adhesive film is a semi-cured adhesive film which has low viscosity at room temperature, but has high viscosity in the process of thermal curing; compared with a common dispensed adhering mode, the adhesive film provided by the invention has the advantages of uniform film-forming thickness, controllable adhering shape, no bubble produced, simple assembling process, and the like, therefore, the adhesive film is especially suitable for plane adhesive assembly. The invention provides an adhesive composition for forming the adhesive film. The adhesive composition has the characteristics of high relative dielectric constant, and the like. The invention also provides an adhesive film roll. The adhesive film is protected by covering PET release liner or release paper on both sides of the adhesive film in the adhesive film roll, thereby preventing the environment from polluting the adhesive film.

The invention relates to a motor and controller assembly. The motor and controller assembly comprises a motor and a controller which controls the running of the motor, wherein one side of the controller is fixedly arranged at the outer side of an end cover, a heating element of the controller is arranged on a controller panel closing to the outer side of the end cover, a matching component which is fixedly connected with the heating element is arranged at the outer side of the end cover, the heating element is fixedly connected with the matching component, and the end cover is prepared by the material with high heat conductivity coefficient. According to the motor and controller assembly disclosed by the invention, by directly and fixedly matching the heating element of the controller with the end cover of the motor, the situation of simultaneously using the end cover which is prepared by the material with the high heat conductivity coefficient as a heat radiator of the controller is realized, the heat radiating requirement of the heat radiator can be met, the structure compact degree of the motor and controller assembly is greatly increased, the independent arrangement of the heat radiator is avoided as well, and the production cost is greatly lowered.

The invention discloses a manufacture method of an LED integrated structure, comprises the following process steps: molding a heat dissipation substrate; molding a layout circuit conducting layer; molding a position lens or the plastic part of the lens; carrying out die bonding; electrically connecting an LED chip with the layout circuit conducting layer; and packaging the LED chip and wires. Themethod has the advantages of less process, simple technology, low manufacturing cost, small heat resistance and good heat dissipation of the intermediate link of manufacturing the LED chip and accurate position relation of the lens and the chip, and the LED integrated structure has the advantages of high luminous flux, simple structure, simple assembling, good heat dissipation effect and good optical effect.

The invention discloses a novel commercial automobile wheel differential mechanism assembly and an assembling method, and belongs to the technical field of automobile manufacturing. According to the wheel differential mechanism assembly and the assembling method, an integrated structure of a driven bevel gear and a left shell of the differential mechanism is adopted, an anti-rotation cross shaft assembly is integrated on a right shell of the differential mechanism, and a good lubricating system is arranged, so that the phenomena that the driven bevel gear is broken during connecting bolts, a driving bevel gear and the driven bevel gear are in collision with each other, and a spherical surface of a planetary gear of the differential mechanism is seriously worn can be eliminated; connectingparts are also reduced, processing and assembly processes are convenient, the production takt is improved, and the transmission efficiency and the reliability of the product are improved; compared with an original structure, the weight is reduced by 7.9%, and the cost is reduced by about 6%; and compared with an wheel differential mechanism assembly with different speed ratios, the right shell ofthe differential mechanism can be commonly used and interchanged, so that the organization production is facilitated, the interchangeability of the product and the organization efficiency of spare parts are also improved, and therefore the purposes of light weight, economy and refined production are achieved.

The invention relates to a method for determining assembly-oriented rectangular plane shape error evaluation parameters and belongs to the field of error evaluation. The method comprises: generating a cutting surface by non-Gaussian plane simulation method, acquiring a shape error surface via wavelet filtering, and extracting characterization parameters of surface shape error distribution; subjecting the shape error surface to simulation assembly through contact algorithm, calculating assembly precision of spatial orientation changes of a second part after assembly, determining a relation between surface characterization parameters and post-assembly part assembly precision through correlation analysis, thereby determining shape error evaluation parameters and enabling quantitative description for the relation between the surface distribution characterization parameters and assembly precision. Plane characteristic parameters having important impact on assembly precision are obtained, and scientific basis is provided for improving machining quality of mating planes and optimizing assembly process to improve assembly precision.

The invention discloses a combined switch control system and control method. The control system comprises a combined switch, a BCM (body control module) and a controlled component; an output end of the BCM is connected with an input end of the controlled component through a data bus. A driver controls the action of the combined switch, the combined switch emits a control request signal and transmits the signal to the BCM in a coding manner; the control request signal is edited as a message after being decoded by the BCM and then sent to the data base; and the controlled component receives themessage sent by the BCM and performs the corresponding action. The control system in the invention can realize control of the lamps and the wipers in a small current, can reduce the fault rate of theswitch and improves the service life of the switch; since each switch is provided with a plurality of control functions, the output loop and wiring are reduced, the design cost is reduced, and the assembling process performance, the reliability of the system and the security of the circuit are improved. The BCM and the data bus body network are introduced into the control method provided by the invention, thus, the wiring harness is optimized and the reliability and comfortableness of an automobile are improved.

The invention discloses a construction technology of a light electromagnetic shielding chamber. The construction technology includes the steps of construction, namely performing the layered construction of electromagnetic shielding chamber material from inside to outside and from to bottom in the order of wall-ceiling-floor, wherein the section of construction is as shown in the figure 1, and before construction, the wall, ceiling and floor and other parts are subjected to base treatment. According to protective requirements of the electromagnetic shielding chamber, series of electromagnetic shielding products including electromagnetic shielding films, electromagnetic shielding screens, electromagnetic shielding coatings and electromagnetic shielding wallpaper are developed and can be bothused independently and fittingly used according to the shielding structure design, all-dimensional and highly effective electromagnetic shielding functions can be achieved for the electromagnetic shielding chamber, the four types of products are light, soft, good in corrosion resistance and simple in assembly process, and limitations of existing metal electromagnetic shielding chambers are complemented.