5results about How to "Solve welding difficulties" patented technology

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 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.

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.