11results about How to "Solve welding difficulties" patented technology

The invention discloses a meteorological radar and an assembly method thereof, the meteorological radar comprises a radar main body, a servo assembly and an array antenna, the radar main body comprises a signal processing unit, a frequency synthesizer assembly, an intermediate frequency assembly, a power division assembly and a T / R assembly; the array antenna comprises a reflecting plate, a plurality of umbrella-shaped dipole antenna units and a feed network PCB (Printed Circuit Board), wherein a plurality of cross-shaped grooves are formed in the reflecting plate; each umbrella-shaped dipole antenna unit comprises a first radiation unit and a second radiation unit, the first radiation unit is inserted on the second radiation unit, and the first radiation unit and the second radiation unit are orthogonally engaged; the first radiation unit and the second radiation unit are inserted into the corresponding cross-shaped grooves. And the second radiation unit of each umbrella-shaped dipole antenna unit and the feed network PCB are integrally designed. Orthogonal installation of the first radiation unit and the second radiation unit is ensured through limiting of the cross-shaped groove, and the antenna assembling process is simplified.

The invention relates to a glass-based photoelectric volume pulse wave cover plate material as well as a preparation method and application thereof. The cover plate material comprises: a glass substrate; the annular structural part is embedded in the glass substrate; the annular structural member and the glass substrate are made of the same material; the glass substrate comprises the following components in percentage by mass: 0.1 wt%-0.2 wt% of BaO; 0.1 wt% to 0.6 wt% of PbO; 0.1 wt% to 0.7 wt% of Sb2O3; 25 wt%-61 wt% of SiO2; 16 wt% to 18 wt% of B2O3; 10 wt% to 15 wt% of Al2O3; 8 wt% to 12 wt% of R2O; wherein R2O is composed of Li2O, Na2O and K2O, and the content of K2O is smaller than that of Na2O. The technical problem to be solved is to provide the cover plate material with a large number of sensor optical channels, so that the cover plate material has high transmittance and high crosstalk resistance, a plurality of optical paths can be formed in the cover plate material, and the problems of scattering and the like in the light propagation process are reduced by selecting single glass with a specific formula, so that the light transmission efficiency is improved. The energy loss in the light ray propagation process is reduced, and the propagation distance of the light rays in the glass cover plate is increased; meanwhile, the glass cover plate also has higher mechanical strength.

The invention provides a welding fixture for an emergency magnetic compass lighting assembly, and belongs to the technical field of fixtures. Comprising a base, the upper portion of the base is provided with a positioning groove used for containing a lighting assembly, one end of the positioning groove is provided with a fixing and positioning piece used for positioning one end of the lighting assembly, the other end of the positioning groove is adjustably provided with an adjusting and positioning assembly, and one side of the adjusting and positioning assembly is inserted into an inner hole in the lighting assembly to abut against a junction pole installed in the hole. By using the welding fixture, the welding difficulty caused by the particularity of the structure of the lighting assembly and the springback characteristic of a conical spring material in the lighting assembly in the prior art is overcome, the potential quality hazard of unreliable welding is avoided, the product quality is ensured, and meanwhile, the welding efficiency is greatly improved.

The utility model relates to a stainless steel vertical watchcase which is simple to form. The vertical watchcase comprises a watchcase main body and an arc-shaped sealing plate, a water inlet hole and a water outlet hole which are close to each other are formed in one side of the meter shell main body; a first partition plate is welded to the middle position of the water inlet hole and the middle position of the water outlet hole. A second partition plate is welded to the bottom of the water inlet hole. A third partition plate is welded to the top of the water outlet hole. The first partition plate, the second partition plate and the third partition plate are all welded to the sealing plate. The two arc-shaped ends of the sealing plate are welded to the meter shell body respectively and wrap the water inlet hole and the water outlet hole to be welded. The first partition plate, the second partition plate and the sealing plate are matched to form a horizontal water inlet pipe; the first partition plate, the third partition plate and the sealing plate are matched to form a horizontal water outlet pipe. Compared with the prior art, the partition plates are welded separately, the first partition plate is welded firstly, and then the second partition plate and the third partition plate are welded, so that the partition plate has the advantages of simplicity in forming, low cost and the like.

The embodiment of the invention discloses a high-reliability FBC connector and a preparation method thereof, the connector comprises a flat cable and two groups of connectors, each connector comprises an inner core, a main body and a plurality of signal terminals, the inner core is arranged in the main body, the inner core is provided with a plurality of terminal grooves in one-to-one correspondence with the signal terminals, the signal terminals are correspondingly arranged on the terminal grooves, and the signal terminals are arranged in the terminal grooves. And the flat cable is correspondingly and electrically connected with the signal terminals of the two groups of connectors. According to the invention, high-reliability connection between the flat cable and the terminal is ensured, the connector is suitable for various PCB assembly schemes, the firmness of a product is improved, and the problem of difficult welding is solved.

The present invention relates to a triangular control arm for a shock-absorbing automobile suspension system and a production process thereof, comprising an arm body, wherein an upper connecting part, a left connecting part and a right connecting part are arranged at one end of the arm body, the upper connecting part is provided with a ball pin linkage device, the left connecting part and the right connecting part have the same structure and are both provided with a rod pin linkage device, the rod pin linkage device comprises an outer tube body, characterized in that: the arm body comprises a cover plate and a bottom plate, a receiving cavity is arranged between the cover plate and the bottom plate, the receiving cavity is provided with a buffer mechanism, the buffer mechanism comprises a first mounting seat, a buffer spring and a buffer component, the buffer component is linked with the cover plate relative to one end of the buffer spring, and the beneficial effects of the present invention are as follows: a triangular control arm for a shock-absorbing automobile suspension system is provided, which delays deformation of the arm body and prolongs its service life.

The utility model provides a steel plate filling pipe truss structure which comprises a combined section, web members, a lower chord and / or a second upper chord. The combined section comprises an upper chord upper round pipe, an upper chord lower round pipe and a second filling steel plate. The two upper chord upper circular pipes and / or the upper chord lower circular pipes are connected with the lower chord members and / or the upper chord members through web members. The structure has the advantages of being high in height difference adaptability, excellent in shear resistance and good in waterproof effect, supports combination of various pipes and steel plates and is suitable for complex elevation roofs of stadiums, exhibition halls and the like.

This invention discloses a forming apparatus for graded pressing of thin-walled, large-angle corrugated ring segments, relating to the field of metal corrugated pipe forming. It includes a forming machine and pre-pressing components and forming pressing molds arranged on the forming machine. The pre-pressing component includes multiple pre-pressing molds arranged sequentially near the forming pressing molds. Each pre-pressing mold includes an upper pre-pressing mold and a lower pre-pressing mold. The top of the lower pre-pressing mold has a pre-pressed corrugated ring segment groove, and the bottom of the upper pre-pressing mold has a pre-pressed corrugated ring segment body fixed thereon. The forming pressing mold includes an upper forming mold and a lower forming mold. The top of the lower forming mold has a forming corrugated ring segment groove, and the bottom of the upper forming mold has a forming corrugated ring segment body fixed thereon. The large-angle corrugated ring segment blanks formed by the multiple pre-pressing molds gradually approach the standard large-angle corrugated ring segment. Through multi-stage progressive forming, the deformation of the arc-shaped blank is evenly distributed in each pressing stage, significantly reducing the incidence of defects such as corrugation cracking, circumferential wrinkling, and non-adherence to the mold.

This utility model discloses a tracked vehicle frame and tracked vehicle, including a frame body, a front support assembly, a drive wheel support assembly, a load-bearing articulated beam assembly, a support assembly, and an idler wheel support. This tracked vehicle frame helps to reduce weight while maintaining high structural strength, and can, to some extent, resolve the contradiction between the high strength requirements and relatively heavy weight of existing tracked vehicle frames. Furthermore, this tracked vehicle frame is easy to install and adjust.

The invention relates to the technical field of assembly type steel structure building beam column connection, in particular to an assembly type building steel structure connecting component which comprises a connecting piece, a supporting plate, a rib plate, a telescopic groove, a telescopic plate, a welding plate, a fixing component, an attaching component and a mounting component. The supporting plate is fixedly arranged at the right end of the connecting piece, and the rib plate is connected to the rear end of the connecting piece; according to the steel mounting device, the fixed sliding block is arranged on the supporting plate, accurate positioning can be conveniently carried out when steel is mounted, the telescopic plate and the attaching part are arranged on the side portion of the connecting piece, and the welding plate is arranged at the right end of the telescopic plate. Enough gaps are formed in the two sides of the steel during installation, installation is convenient, after the steel is installed and positioned, the welding plate is attached to the steel, welding of the steel and the welding plate is convenient, the rib plate is arranged at the rear end of the steel, the strength of the steel is enhanced, and meanwhile a proper buffering distance is reserved between the telescopic plate and the welding plate.

A kind of welding flexible line for car roof production, including workbench, multiple heating plate and two full-automatic hexagonal mechanical arms, two full-automatic hexagonal mechanical arms are arranged at the both sides of workbench, one clamp rack is arranged in the side of each full-automatic hexagonal mechanical arm, clamp rack includes rack body, rack body is provided with tray and multiple clamps, multiple plastic buckles are provided on tray, clamp includes connecting plate, bearing body, double-shaft air cylinder and hook, connecting plate and bearing body are connected by multiple connecting columns, the lower part of bearing body is provided with accommodating groove and first limiting groove, first limiting groove is arranged below accommodating groove and is communicated with accommodating groove, the side of bearing body is provided with through groove, the lower part of through groove is communicated with accommodating groove, hook includes vertical plate and horizontal plate, vertical plate is arranged in through groove, horizontal plate is arranged in accommodating groove, one end of vertical plate is fixedly connected with horizontal plate, the other end is fixedly connected with the push plate of double-shaft air cylinder, the cylinder body of double-shaft air cylinder is fixedly installed on bearing body.