100results about How to "Improve assembly time" patented technology

The invention relates to an assembling mould of a B7 contact ball bearing, which comprises a round assembling mould terrace, and is characterized in that the terrace is provided with a taper table figure central positioning table; a steel ball positioning table for positioning a bearing steel ball in the process of assembling is arranged at the housing washer of the central positioning table; the steel ball positioning table is a stepped table, and the step is a two-grade step higher inside and lower outside. The method for assembling the B7 contact ball bearing includes the following steps: the retainer is sheathed on the assembling mould along the axial direction; the heated housing washer is sheathed on the retainer along the axial direction; the steel ball slides along the top taper part of the assembling mould to be located in a jolt; an inner race is inserted along the axial direction. The assembling mould has the following advantage: as each spare part can be precisely located by being assembled on the positioning mould, and lipid is not needed for adhesion, and the assembling time is shortened, the whole process is guaranteed to be completed in the range of an allowed retraction for the cooling of the housing washer, so that the assembling mould of a B7 contact ball bearing has the effect of fast and accurate assembling.

The present invention relates to a pneumatic tire (1) for reducing a tire noise having an annular cavity (5) and at least one acoustic damper (6), situated in the cavity, made of an open-celled material. The acoustic damper (6) is removably connected to an inner face (7) of the pneumatic tire facing toward the cavity (5) using at least one removably connectable connection device (8, 9, 10, 13). Furthermore, the invention provides a wheel rim having a pneumatic tire (1) drawn thereon, an annular cavity (5) being shaped between wheel rim and pneumatic tire, as well as at least one acoustic damper (6) made of open-celled material, which is situated in the cavity, which is distinguished in that the acoustic damper is removably connected on an inner face facing toward the cavity using at least one removably connectable connection device.

The invention relates to a lens, which comprises a lens tube, a lens group and a light shielding assembly, wherein the lens group is arranged in the lens tube; the light shielding assembly and the lens group are arranged in the lens tube in a corresponding arrangement way; the lens group comprises at least one lens and at least one edge cutting lens alternately arranged with the lens; the edge cutting lens comprises an aspherical work part, a connecting part and at least one longitudinal cutting surface; the connecting part surrounds the aspherical work part and is connected with the aspherical work part; the lens tube comprises a lens installing region and an edge cutting lens installing region; the edge cutting lens installing part comprises at least one longitudinal cutting plate corresponding to the longitudinal cutting surface and an arc-shaped side wall connected with the longitudinal cutting plate; the connecting part comprises an arc-shaped lug boss corresponding to the arc-shaped side wall. The lens provided by the invention has the advantages that the structure is reasonable; the intensity is high; the service life is long; the dimension is small; the screen occupation ratio is high.

A media control valve includes a body, a plunger assembly of multiple components housed in the body with a plunger control valve cap assembly secured to the body for housing a control knob. The body and the plunger assembly include resilient seals between adjacent multiple components of the body and the plunger assembly, respectively, to permit relative movement therebetween. A diaphragm physically isolates and seals the chambers above and below. All of the plunger seals and bushings held within the sleeve. Replacement seals and bushings can be replaced and inspected with relative ease due to the accessibility at both ends of the sleeve. Component parts are assembled using resilient seals to facilitate assembly and repair.

The invention discloses a one-step buckling and molding type cable connector which comprises a connecting head arranged at the end of a cable, wherein the connecting head consists of a step sleeve and a step core which are sequentially sleeved at the end of the cable from outside to inside; the peripheral surface of a small-diameter pipe of the step sleeve is provided with an annular boss, and a groove is formed between the annular boss and a step table of the step sleeve; a small-diameter pipe of the step core extends into a cable jacket, and a large-diameter pipe of the step core is sleeved on the small-diameter pipe of the step sleeve; the end part combining surfaces of the step core and the annular boss of the step sleeve are respectively provided with arc pin holes along the axial direction, and pin shafts are arranged in the pin holes; a protective sleeve extends from the groove of the small-diameter pipe of the step sleeve to the cable jacket; and a socket electrically connected with a conductor in the cable is inserted in the large-diameter pipe of the step sleeve. The invention solves the problems that the traditional cable connector cannot rotate, the jacket is easy to pull out, and molding cannot be finished at one step. The invention is suitable for connecting cables for equipment control under a coal mine well.

A testing method of a wavelength-tunable laser having a resonator including wavelength selection portions having wavelength property different from each other includes a first step of controlling the wavelength-tunable laser so as to oscillate at a given wavelength according to an initial setting value, a second step of tuning the wavelength property of the wavelength selection portions and detecting discontinuity point of gain-condition-changing of the wavelength-tunable laser, and a third step of obtaining a stable operating point of the wavelength selection portion according to a limiting point of an oscillation condition at the given wavelength, the limiting point being a point when the discontinuity point is detected.

A media control valve includes a body, a plunger assembly of multiple components housed in the body with a plunger control valve cap assembly secured to the body for housing a control knob. The body and the plunger assembly include resilient seals between adjacent multiple components of the body and the plunger assembly, respectively, to permit relative movement therebetween during assembly and use. The media control valve includes a diaphragm which acts as a membrane that physically isolates and seals the chambers above and below. The spool design of the valve has all of the seals and bushings held within the spool. Once the spool is removed, the replacement seals and bushings can be replaced and inspected with relative ease due to the accessibility at both ends of the spool. Since each plunger seal is held within its own rigid cavity, held on three sides and not stacked on top of another seal or loose component, proper alignment is better assured during and after installation. The body components parts are also assembled using resilient seals to facilitate assembly and repair, while reducing any tendency of the valve to seize during use.

A box-frame housing for the installation of electronic modules has frame elements and side walls and provides a subdivision into sub-regions, which are limited by dividing walls. The frame elements and the side walls and dividing walls provide at least one recess and/or at least one edge projection. A projection engages in a recess and both are connected to one another by welding.

A method for manufacturing a stage of a steam turbine comprising the steps of milling a block of material to define a sector having a plurality of blades, each blade having an external surface; machining an opening in the external surface of at least one of the blades; machining a cavity in fluid communication with the opening; the step of machining the cavity being performed by wire electric discharge machining.

In order to assist fitting of doors to the landing gear housing and adjusting their position, an aircraft nose is provided comprising a connecting frame between the landing gear housing and the outer skin of the fuselage, the connecting frame extending around an opening in the outer skin and comprising a skirt bearing against the outer skin of the fuselage and attached thereto, the skirt defining a passage for landing gear which is configured to be closed off by doors when the landing gear are in a closed position, and supporting members extending between the fuselage and the doors.

The invention provides a method for compensating the inertial installation error of a cabin assembly. A rotation matrix C<imu>b from a carrier coordinate system to an inertial coordinate system is defined; pure inertial navigation solution is carried out by using angular velocity and acceleration information in the inertial coordinate system to obtain an attitude matrix C<n>imu and installation error compensation is carried out on the attitude matrix C<n>imu by the rotation matrix C<imu>b and an outputted attitude matrix is C<n>b, an attitude angle of the carrier under the navigation coordinate system is calculated based on the C<n>b and then a speed and position of the carrier in the navigation coordinate system are calculated; or data outputted by the inertia group are compensated directly by the rotation matrix C<imu>b, pure inertial navigation solution is carried out by using the compensated inertial group data, an attitude angle of the carrier in the navigation coordinate system is calculated, and then the speed and position of the carrier in the navigation coordinate system are calculated. Therefore, the accuracy of the navigation system is improved; the influence of the inertial installation error on the flight control system is reduced; and a solution to the inertia installation error compensation of the cabin product with the large volume and weight is provided.

The invention provides automatic assembling equipment for riveting and extruding points of jacks and protection sleeves. The automatic assembly equipment comprises a frame assembly, a rotating tool assembly, a jack staggering and separating assembly, a jack feeding assembly, a protection sleeve detecting assembly, a protection sleeve direction selecting assembly, a protection sleeve feeding assembly, a bidirectional riveting and pressing assembly, an adjustable stroke point extruding assembly and a finished product discharging assembly. The invention further provides an assembling method of the automatic assembling equipment. The automatic assembling equipment is full-automatic equipment, can achieve automatic assembling, riveting and point extruding of jack parts and protection sleeve parts and can achieve automatic feeding and discharging; manual operation is not needed; the automatic assembling equipment is safe and stable; and the problems that the manual assembly efficiency is low, the workload is heavy, the assembling method is complex, and the requirements on the proficiency degrees of operators are high are solved. The assembling time and the consistency of the jacks and the protection sleeves are greatly improved; the quality problem is avoided; and the automatic assembling equipment has an important application value in an assembling process of the jacks and the protection sleeves.

The invention discloses automatic assembling equipment, which is used for assembling a button switch. The automatic assembling equipment comprises a rack, and a first rotary table, a second rotary table, a bottom part assembling component, a middle part assembling component, an upper part assembling component and a middle assembling device arranged on the rack; the middle assembling device is usedfor assembling a finished bottom part of the bottom part assembling component and a finished middle part of the middle part assembling component into a semi-finished part; and according to the condition that the assembling tail end of the middle assembling device is positioned on the first rotary table or the second rotary table, the first rotary table or the second rotary table continues to rotate for enabling the semi-finished part and the finished bottom part of the bottom part assembling component to finish finished product assembling. By adopting the technical scheme, the waiting time ofeach assembling process can be greatly shortened, so that the total assembling time is shortened, the overall assembling progress is accelerated, the assembling time of the button switch is shorter,the assembling efficiency is improved, the automatic assembling operation is realized, the product assembling quality is guaranteed, and the labor cost is reduced.

The invention discloses an accurate positioning type coupler and an assembling technology, aims at providing a coupler accurate in positioning and convenient to install, and belongs to the technical field of mechanical transmission part design. According to the technical scheme, the accurate positioning type coupler comprises a spline shaft, the spline shaft is provided with an upper installing clamping position matched with an upper bearing, and a lower installing clamping position matched with a lower bearing, a boss-shaped revolution surface is formed between the two installing clamping positions, and the upper bearing and the lower bearing are clamped and assembled at the two clamping positions on the two sides of the boss-shaped revolution surface respectively. The upper bearing and the lower bearing are sleeved with a bearing sleeve, the two ends of the bearing sleeve are fixedly provided with an upper end cover and a lower end cover respectively, and the upper end cover is connected with an upper end cover sleeve.

The invention relates to the technical field of refrigerators in electrical equipment, and more particularly relates to a fixation structure for a manual ice maker. The fixation structure for the manual ice maker comprises a glass layer frame, an ice maker outer frame, an ice maker bracket and a clamping buckle, wherein an installation structure is arranged on the glass layer frame, and a location hole is formed in the ice maker outer frame; a bulged part is arranged at one end of the ice maker bracket, and a connection structure cooperated with the clamping buckle is arranged at the other end of the ice maker bracket; the ice maker bracket is inserted into the location hole, the bulged part and the clamping buckle are fixed in the installation structure respectively, and the ice maker outer frame can move along the length direction of ice maker bracket. Installation for the fixation structure for the manual ice maker disclosed by the invention is completely operated off line, namely, all the components are assembled and then installed on the liner of the freezing chamber box of a refrigerator, so that the assembly time is greatly prolonged; moreover, the ice maker outer frame can move along the length direction of the ice maker bracket, so that the space of the freezing chamber can be adequately utilized.

The invention discloses an automobile A-pillar decorative panel with the storage function. The A-pillar trim panel comprises an A-pillar decorative panelouter plate and an A-pillar decorative panel inner plate. The A-pillar decorative panel outer plate is detachably fixed on the A-pillar decorative panel inner plate. The A-pillar decorative panel inner plate is detachably fixed on a A-pillar metalplate. The A-pillar decorative panel outer plate abuts against an instrument panel in a detachable mode, and a storage space is arranged between the A-pillar decorative panel outer plate and the A-pillar decorative panel inner plate. According to the automobile A-pillar decorative panel with the storage function, the welding spots of the A-pillar metal plate and the matched boundary of the instrument panel with the A-pillar metal plate are shielded. The automobile A-pillar decorative panel is easy to mount and dismount. The assembling efficiency is improved, and the storage space is increased.

A joint assembly joins first and second components about a common axis. The first component has a first end portion having a radially outwardly facing surface shaped to fit radially inside a second surface of a hollow second end portion of the second component to form an interface between the opposing first and second surfaces. The first and second surfaces have a concavity extending laterally with respect to the axis such that when the first and second surfaces are opposingly arranged the opposing concavities define a cavity at the interface. A retaining member is insertable into the cavity at the interface to prevent axial separation of the first and second components. One of the first and second end portions has a free end protrusion axially spaced from the concavity and the other of the first and second end portions has an axially extending recess arranged to receive the free end.

A box-frame housing for the installation of electronic modules has frame elements and side walls and provides a subdivision into sub-regions, which are limited by dividing walls. The frame elements and the side walls and the dividing walls provide at least one recess and/or at least one edge projection. A projection engages in a recess and both are connected to one another by welding.

A cushion assembly has first and second foam layers that are fixedly connected to each other so as to be contiguous. The cushion assembly also includes a fire-retardant covering and finds particular use as the seat base of a vehicle seat, especially an aircraft seat.