9results about How to "Check flatness" patented technology

The utility model provides a flatness detection device for asphalt pavement construction, which relates to the technical field of asphalt pavements and comprises a base plate, a reference frame fixedly mounted on the top surface of the base plate, a support frame fixedly mounted on the top surface of the base plate, and a plurality of rollers rotatably connected to the bottom surface of the base plate through a suspension system and used for assisting the movement of the base plate. A mounting plate is slidably connected to the interior of the supporting frame, and a handrail for being held by a person is fixedly mounted on the top surface of the base plate; the anti-separation mechanism is arranged on the top surface of the base plate and used for preventing the roller from being separated from the asphalt pavement, and the base plate, the detection wheel, the driving motor, the impeller, the air inlet hopper, the connecting box, the connecting pipe, the fixing pipe and the supporting box are matched with one another, so that the asphalt pavement can be adsorbed, and the roller on the base plate is tightly attached to the asphalt pavement; the roller is prevented from being separated from asphalt due to the fact that the output direction of the base plate is not parallel to the asphalt pavement, and the accuracy of detecting the flatness of the asphalt pavement is improved.

The present invention discloses an elevator guide rail flatness detection device, which belongs to the field of elevator guide rail detection technology, and includes a workbench, a guide rail lifting mechanism arranged at both ends of the workbench, and a linear moving mechanism connected to the guide rail lifting mechanism, wherein the linear moving mechanism is arranged along the length direction of the workbench, and a multi-directional detection data collection mechanism is connected to the linear moving mechanism, and a door frame is provided directly above the guide rail lifting mechanism, and the door frame is fixedly installed at both ends of the workbench, and the multi-directional detection data collection mechanism includes an adjustable rectangular frame and a flatness detection marking device respectively arranged on the four sides of the adjustable rectangular frame. The elevator guide rail flatness detection device provided by the present invention can simultaneously perform flatness detection on multiple sides of the elevator guide rail without flipping the elevator guide rail, and can collect the flatness data of the elevator guide rail and mark the uneven parts of the elevator guide rail in real time.

The utility model discloses a PVC printing film flatness detection device comprising a detection bench, four corners of the bottom of the detection bench are provided with support columns, one end of the detection bench is provided with a winding assembly, the other end of the detection bench is provided with an unwinding assembly, the top of the detection bench is symmetrically provided with guide assemblies, and the middle parts of the guide assemblies at two sides are provided with detection assemblies in a lifting manner. A lifting assembly used for driving the detection assembly to ascend and descend is arranged on the side edge of the detection table. The PVC printing film to be detected is fixed to the middle of the unwinding assembly, then guided through the guide assembly and finally wound to the middle of the winding assembly, then the lifting assembly is controlled to drive the detection assembly to descend so that the detection assembly can abut against the PVC printing film all the time, the winding assembly is started to drive the PVC printing film to be conveyed, and then the conveyed PVC printing film is in a straightened state all the time. And the detection assembly can conveniently and comprehensively detect the conveyed PVC printing film, the detection efficiency is improved, and the labor intensity of workers is reduced.

The invention provides a photovoltaic panel flatness detection device, which comprises a frame body which has a first direction and a second direction and is provided with a detection position for placing a photovoltaic panel along the first direction; the detection assembly comprises a detection wheel and a stylus which are connected with each other, the detection wheel is suspended at the detection position, the writing end of the stylus is arranged close to the second direction, and writing paper in contact with the writing end of the stylus is arranged in the second direction; the moving rod is arranged on the frame body in a sliding mode in the first direction, and the detection wheel is movably arranged on the moving rod; the walking assembly is arranged on the moving rod in a sliding mode in the second direction; wherein the first direction is perpendicular to the second direction. The technical problem that a detection device in the prior art is complex in detection operation is solved.

The utility model relates to on-line flatness detection equipment for an automobile brake disc. The on-line flatness detection equipment comprises a rack, a mounting hole is formed in the center of the brake disc; the brake disc is arranged on the conveying assembly, and the conveying assembly conveys the brake disc in the preset direction; the brake disc flatness detection device comprises a rack, a conveying assembly for conveying a brake disc to a detection position, and a detection assembly installed on one side of the rack and comprising a driving member for driving the brake disc to rotate and a detection member for detecting the flatness of the brake disc, the detection assembly is arranged on an assembly line, and when the conveying assembly conveys the brake disc to the detection position, the detection member detects the flatness of the brake disc. When the detection assembly carries out detection, the driving piece drives the brake disc to rotate at a constant speed, so that the detection of the overall flatness of the brake disc is realized, and the detection equipment has the advantages of high online detection efficiency, stable detection result and simple structure.

The present invention relates to the technical field of display screen production, and specifically discloses a pre-folding process and pre-folding equipment based on bonding, including a fixed plate, a mounting plate movably provided on the top of the fixed plate, two first connecting members movably provided on the bottom of the mounting plate, a wind plate installed on one side of the first connecting member, a plurality of wind holes evenly provided on the bottom of the wind plate, and a cavity provided inside the wind plate, the wind holes are connected to the inner cavity of the wind plate, a connecting hole is provided through one end of the wind plate, and a camera is provided on the bottom of the wind plate. The present invention is provided with a moving rod and a clamping plate, and after the loading of the flexible screen is completed, the flexible screen can be clamped and fixed by the clamping plate, and then the flexible screen can be automatically pre-folded by moving and rotating the moving rod on the fixed plate, which can not only reduce the labor intensity of the staff, but also avoid the problem of contamination of the surface of the flexible screen caused by the manual operation of the staff, which increases the subsequent workload.

The invention relates to the technical field of automobile part machining equipment, in particular to an automobile frame rapid punching device which comprises a horizontal moving assembly. The clamping assembly is mounted at the moving end of the horizontal moving assembly, and the clamping assembly is used for clamping channel steel; the upper die rotating assembly is mounted on the rack, and a plurality of upper die assemblies are mounted on the upper die rotating assembly; the lower die rotating assembly is installed on the rack and located on the lower side of the upper die assembly, and a plurality of lower die assemblies matched with the upper die assembly are installed on the lower die rotating assembly; and the hydraulic assembly is installed on the rack, and the output end of the hydraulic assembly extends to the upper end of the upper die assembly. Required rivet holes can be quickly and continuously machined in the frame, and the machining precision is improved.

The invention discloses an aluminum profile production line which can realize high-precision automatic online detection of all workstations, and relates to the technical field of aluminum profile production lines. The technical scheme is as follows: it comprises a box body, a transmission component, a sampling component, a flatness detection component and a mechanical property detection component. The box body comprises an outer partition, an inner partition, a sampling cutting groove and an upper guard plate. The sampling component comprises a servo motor 1, a screw slide bar and a splitting component. The flatness detection component comprises a plane substrate, a double-rod cylinder 1, a double-rod cylinder 2, a push plate and a film pressure transmitter. The invention adjusts the direction of the aluminum profile by rotating a turntable, clamps the two ends of the aluminum profile by two groups of chucks, and performs a tensile test on the aluminum profile by driving a single-rod cylinder, so as to facilitate the testing of the plasticity, elongation and mechanical strength performance of the aluminum profile. At the same time, by driving a servo motor 3 to rotate the chuck, it is convenient to detect the anti-twisting and pulling performance of the aluminum profile, and to facilitate the comprehensive detection of the mechanical properties of the aluminum profile.

The utility model relates to monitoring device technical field and discloses a kind of powder bed flatness monitoring devices for L-PBF additive manufacturing, including electric sliding table, the fixed end of electric telescopic link is fixedly connected with the top of electric sliding table, the movable end of electric telescopic link is fixedly connected with cleaning device, and the movable end of electric sliding table is fixedly connected with detection device, the side of electric sliding table is fixedly connected with fixed device, the cleaning device includes fan housing, the inner wall of fan housing is fixedly connected with electric fan, the bottom of electric fan is fixedly connected with air duct through support, the inner wall of air duct is equipped with air guide hole, the top of fan housing is connected with separation assembly, and the top of fan housing is fixedly connected with the movable end of electric telescopic link, and the powder bed flatness monitoring device for L-PBF additive manufacturing reaches the purpose of pneumatically cleaning platform and detecting.