8results about How to "Consistent curvature" patented technology

The utility model discloses a mask taking auxiliary mechanism for mask cloth, which comprises a mask lifting mechanism and at least one mounting pressure ring, and the mask lifting mechanism comprises a lifting mounting seat and a lifting cylinder arranged on the lifting mounting seat; the installation pressing rings are arranged above the lifting installation base, each installation pressing ring is provided with a detection calibration block, a photoelectric sensor is arranged above each detection calibration block through a support, and a plurality of brush assemblies are evenly distributed on the upper end face of each installation pressing ring; an upper magnet is arranged near each brush assembly; a lower magnet is arranged under each upper magnet, and each lower magnet is arranged on the lifting installation base through a linear bearing. According to the mask taking auxiliary mechanism for the mask cloth, it can be guaranteed that the mask cloth is flat in the mask taking process of the stacked mask cloth, it is guaranteed that the heights of the stacked mask cloth are kept consistent when the mask taking tail end executor grabs the mask cloth, and therefore the success rate that the mask taking tail end executor grabs the mask cloth is increased.

A kind of PDLC glass structure for car window, including upper surface layer, transparent upper base layer, transparent upper conductive layer, PDLC functional layer by liquid crystal and polymer mixed solidification, transparent lower conductive layer, transparent lower base layer, lower surface layer arranged in sequence, the upper base layer and lower base layer are formed into PDLC dimming film by being interposed in upper conductive layer, PDLC functional layer, lower conductive layer, upper surface layer and lower surface layer are transparent plastic layer by PMMA or PC material injection molding, the upper surface layer is attached on the upper surface of PDLC dimming film, and the lower surface layer is attached on the lower surface of PDLC dimming film.The utility model has the advantages of: while ensuring the transparency of surface layer, reduce surface layer weight, realize the lightweight of surface layer structure;Meanwhile, transparent plastic layer can be formed by injection molding, can ensure the curvature consistency of surface layer, surface layer structure is formed fast, easy to make, product consistency is good.

The invention relates to the field of LED display screens, and discloses a magnetic attraction type LED module positioning structure, an LED module and an arc-shaped screen, the magnetic attraction type LED module positioning structure comprises a magnet loading structure, a magnetic attraction assembly and a positioning shaft, the magnet loading structure is provided with a positioning hole and a groove, the positioning shaft is installed in the positioning hole, the magnetic attraction assembly is installed in the groove, the modules are spliced through the magnetic attraction type LED module positioning structure, and the arc-shaped screen is formed. And the curvature consistency of the arc-shaped screen in the splicing process can be ensured.

The utility model discloses a bridge structure stress strain monitoring device which comprises a workbench, a back plate is fixedly installed on one side of the top of the workbench, and supporting legs are symmetrically and fixedly installed at the bottom of the back plate. An adjusting mechanism is arranged between the workbench and the back plate, and a fixing assembly is arranged in the adjusting mechanism. Wherein the adjusting mechanism comprises a sliding groove formed in the working table, so that strain detection can be rapidly carried out on reinforcing steel bars in a bridge structure, the effect of fixing the reinforcing steel bars of various lengths can be achieved, compared with a traditional manual reinforcing steel bar bending mode, the position of the reinforcing steel bars can be accurately fixed, the detection precision is greatly improved, and the working efficiency is improved. The mechanical pushing structure realizes uniform and stable force application, so that the bending degrees of the steel bars are consistent, the repeatability and the reliability of detection results are enhanced, a solid guarantee is provided for accurately evaluating the stress-strain performance of the steel bars, and meanwhile, a large amount of manpower is saved.

The present invention discloses an arc lofting device for construction and a construction method thereof. The device comprises two laser emitting mechanisms with completely identical structures and used for emitting laser surfaces. The laser surfaces emitted by the two laser emitting mechanisms can rotate at the same speed and in the same direction. The laser emitting mechanism comprises a tripod, the upper end of the tripod is rotatably connected to a rotating base, a reduction motor is arranged at the bottom of the rotating base, a first gear is connected to the output shaft of the reduction motor, a second gear is arranged on the side of the rotating base, the first gear is meshed with the second gear, a pipe clamp is arranged on the upper part of the rotating base, and a laser emitter for emitting laser surfaces is installed on the pipe clamp. The device of the present invention has a simple structure, reasonable design, convenient implementation and low cost, is easy to carry, simple to operate, and has high reliability. One person can complete the lofting operation, saving manpower and material resources, and can be repeatedly used many times. It can be applied to arc lofting of different radii, has high construction accuracy, good use effect, and is easy to promote and use.

The invention discloses a connecting component for a sealing strip of a roof sunroof and a roof having the same. The connecting component is arranged between a guide rail and a sealing strip, and the guide rail and the sealing strip are arranged on one side of a moving glass. The connecting component comprises: a profiling body, and the profiling body supports the sealing strip on the guide rail; a connecting component is arranged on the upper and lower sides of the profiling body along the length direction thereof, and a bearing surface adapted to the curvature of the moving glass is formed on the upper connecting component. The upper connecting component cooperates with the sealing strip, and the sealing strip cooperates stably with the profiling body, and the bearing surface supports the sealing strip, so that the sealing strip matches the curvature of the moving sunroof. The lower connecting component cooperates with the guide rail and tightens the profiling body toward the guide rail, so that the profiling body matches the curvature of the guide rail. The matching end surface of the connecting component is adapted to the curvature of the guide rail, and effectively increases the matching tightness of the sealing strip, the guide rail and the frame.

The utility model relates to aluminium support technical field discloses an aluminium support twist bending device, the aluminium support twist bending device includes work table, the foot stool is fixedly installed in work table bottom, the baffle is fixedly installed in work table top, is provided with the bending assembly on the work table, the bending assembly includes arc table, the fixed column is fixedly installed in arc table top. The aluminium support twist bending device in order to improve aluminium support twist bending efficiency and standardization is consistent, through setting up twist bending assembly, first place aluminium support to the first cylinder, the second cylinder and the pivot, then start hydraulic cylinder, cooperate arc table, fixed column, first gear, first sleeve rod, first mesa, second gear, second sleeve rod, second mesa, slide rail, rack, hydraulic cylinder and link plate, so that the vertical aluminium support is twisted to U shape, and the bending degree of each aluminium support is consistent, the shape is consistent, improves the twist bending efficiency and quality.

The utility model discloses a continuous bending mechanical arm which comprises a continuous bending joint and a driving mechanism, the continuous bending joint comprises a plurality of fixing frames which are hinged in sequence, and an upper telescopic piece and a lower telescopic piece are arranged between every two adjacent fixing frames. The fixed end and the movable end of each upper telescopic piece are hinged to the upper ends of the two adjacent fixed frames respectively, and the fixed end and the movable end of each lower telescopic piece are hinged to the lower ends of the two adjacent fixed frames respectively. The mechanical arm device capable of being bent continuously has the advantages that due to the fact that all the lower telescopic pieces stretch out and draw back in the same amplitude, it can be guaranteed that when the charging pipe is bent, the bending degrees of all the parts are consistent, and therefore the situation that local parts are excessively bent cannot occur; the service life of the charging pipe can be prolonged, and the conveying smoothness of explosives in the charging pipe can be improved.