13 results about "Lofting" patented technology

1. The name of the design product: engineering lofting dusting car (1). 2. The use of the design product: for outdoor engineering dusting and line laying. 3. The design points of the design product: in the combination of shape and color. 4. The picture or photo that best indicates the design points: design 1 perspective view 1. 5. The design for which protection is sought contains color. 6. Displayed in design 1 perspective view 1, design 1 perspective view 2, omit design 1 left view, right view, top view, bottom view; displayed in design 2 perspective view 1, design 2 perspective view 2, omit design 2 left view, right view, top view, bottom view. 7. Design 1 is designated as the basic design.

The application belongs to the technical field of plate processing, and particularly relates to a quota blanking method for a support ring part, which comprises the following steps: reserving an outer ring allowance in a lofting drawing of the support ring, and not reserving an inner ring allowance and a thickness allowance. Based on actual production and manufacturing of the support ring part, the application can not be limited to a traditional extensive cutting and blanking mode, can rely on other equipment and process methods, and can efficiently utilize production resources, so that different blanking methods are given according to actual conditions of the support ring part manufactured according to needs and different design conditions, and the purpose of reasonably distributing raw materials and manufacturing resources and effectively reducing production cost is achieved.

The utility model discloses a universal circle drawing and lofting vernier, and relates to the technical field of machining tools. The universal circle drawing and lofting vernier comprises a positioning cone and a second clamping mechanism, the positioning cone and the second clamping mechanism are arranged on a tape collecting tape, the positioning cone is provided with a first clamping mechanism, the first clamping mechanism is used for clamping and limiting the tape collecting tape, and the second clamping mechanism is used for clamping and limiting a paintbrush body. The all-purpose circle drawing and lofting vernier is compact in structure, convenient and fast to operate, portable, suitable for circle drawing and lofting tools in various complex environments, especially in limited spaces with complex environments and aloft work, free of limitation of fixed measuring tools, small in circle drawing error, more accurate in construction, simple in structure and convenient to popularize. Assembly is convenient, manufacturing cost is extremely low, practicability is high, and application and popularization are facilitated.

The application discloses a railway simply supported beam curve arrangement checking method based on a plane line position, and belongs to the technical field of bridge engineering in the transportation industry. The method comprises the following steps: solving the equation of the line position in the plane graph; specifying the actual mileage of the starting point of the line position in the graph; solving the coordinates of the line position corresponding to any mileage in the graph; finding the coordinate point of the pier center mileage of the bridge on the graph; determining the position of the beam according to the offset distance, beam width, beam length, line spacing and beam joint increment; checking the offset angle on the graph and comparing it with the calculated offset angle; checking whether the minimum beam joint on the graph meets the requirements. The application provides a lofting method of the simply supported beam on the curve. The calculation result of the curve arrangement is displayed on the plane graph, so that the designer can intuitively feel the error between the calculation value and the field measured value, and the system error of the program cannot be found by only checking the input data during the checking of the curve arrangement calculation, which can cause irreparable losses in the construction process.

The present application provides a large-scale rotary disc structure manufacturing high-precision control method in the field of rotary disc structure. The method realizes the high-precision control of the large-scale rotary disc structure manufacturing through the margin adding principle, blanking precision control, part manufacturing precision control, assembly scheme design and welding sequence optimization technology, and comprises the following steps: step 1, according to the type and thickness specification of the large-scale rotary disc structure, the margin adding principle of each plate part is formulated; step 2, mathematical lofting and numerical control cutting machine marking, after marking, the blanking is carried out after being confirmed by the quality inspection personnel, the plate materials that cannot be cut by numerical control are cut by a semi-automatic cutting machine, and the precision control target value of each stage in the blanking stage is clear; step 3, the radiating rib plate and the center shaft seat part are manufactured, and the precision control target value is clear; step 4, the overall assembly scheme of the large-scale rotary disc structure is designed, the structure welding sequence is optimized, and the precision control target value is finally realized. It is suitable to be applied as a high-precision control method for rotary disc structure manufacturing.

The invention relates to the technical field of ships, in particular to a lofting method of a double-curved-surface fairlead piece, the fairlead piece and a ship, and the lofting method of the double-curved-surface fairlead piece comprises the following steps: obtaining a geometric center point; drawing a first normal vertical line of the curve through the geometric center point, wherein the first normal vertical line is a vertical center line of the fairlead piece; making a plurality of bisectors within a set distance according to a set step length, wherein the bisectors are parallel to the vertical center line; making a corresponding section solid shape line according to the plurality of bisectors and the waterline, and making a corresponding fairlead vertical solid shape line according to the vertical center line and the waterline; acquiring an intersection point of the second normal vertical line and each section solid line; connecting all the projection points to obtain a solid shape line of a second normal vertical line, wherein the solid shape line of the second normal vertical line is a normal solid shape line of the horizontal plane of the fairlead; and drawing a lofting drawing of the fairlead piece. The installation difficulty can be reduced, joints between the outer edge of the fairlead piece and the bulwark are reduced, and the attractiveness is improved.

The invention belongs to the technical field of fans, and particularly relates to a fan foundation embedded part positioning method and system, which realize high-precision mapping from theoretical coordinates to actual mounting positions by establishing a unified reference coordinate system and combining mathematical transformation and laser measurement technologies. Compared with a traditional mode depending on manual lofting, the method has the advantages that the positioning precision and the construction efficiency are remarkably improved, accumulative errors are effectively avoided, and the consistency and the traceability of measurement data in different stages are enhanced. Meanwhile, the system has good adaptability and stability, and can cope with the influence caused by complex terrains and environment changes. And finally, accurate installation of all the embedded parts is ensured through comprehensive checking, the construction quality and the overall reliability of a project are greatly improved, and the actual requirements of a wind power project for efficient and high-precision positioning are met.

The invention relates to the technical field of bridge engineering, in particular to a cross slope change section steel structure bridge steel box girder main body structure model building method, which comprises the following steps: acquiring the cross slope ratio of a mileage point at a preset position in a cross slope change section and the section size of a steel box girder at the mileage point, segmenting the cross slope change section along the length direction, determining a cross slope line at each segmentation point, and constructing a steel box girder main body structure model; and determining the section size of the steel box girder at each segment point, establishing a space reference plane, and sequentially generating solid models of a bottom plate, a web plate and a flange plate of the steel box girder through three-dimensional lofting to complete the overall three-dimensional model building of the cross slope change section box girder. According to the method, accurate lofting and size control of the steel box girder at the cross slope change section are achieved, errors caused by manual calculation and approximate processing in a traditional method are avoided, the modeling precision and effect are improved, through refined modeling of the cross slope change section, it is ensured that the line shape of a bridge structure meets the design requirement, the structure safety is improved, and the construction cost is reduced. And standardization and normalization of a steel structure bridge modeling technology are promoted.

1. The name of the design product: engineering lofting dusting car (2). 2. The use of the design product: for outdoor engineering dusting and line laying. 3. The design points of the design product: in the combination of shape and color. 4. The picture or photo that best indicates the design points: design 1 perspective view 1. 5. The design for which protection is sought contains color. 6. Displayed in design 1 perspective view 1, design 1 perspective view 2, omit design 1 left view, right view, top view, bottom view; displayed in design 2 perspective view 1, design 2 perspective view 2, omit design 2 left view, right view, top view, bottom view. 7. Design 1 is designated as the basic design.

The invention provides a lofting and line drawing mechanism and a lofting and line drawing method, and relates to the technical field of measurement. In the lofting and line drawing mechanism, one end of a rotating assembly is rotatably connected to a frame. The first measuring assembly is arranged at one end of the rotating assembly, and the center of the first measuring assembly is located on the straight line of the rotating center axis of the rotating assembly. The second measuring assembly is arranged at the other end of the rotating assembly. The first measurement assembly and the second measurement assembly are used for being tracked and identified by a laser tracker for positioning measurement. The line drawing assembly is connected to the rotating assembly, and a plurality of grooves for drawing lines are formed in the line drawing assembly. The first adjusting assembly is arranged on the frame, abuts against the rotating assembly and is used for driving the rotating assembly to rotate under the action of external force. The lofting and line drawing method provided by the invention is applied to the lofting and line drawing mechanism so as to accurately and efficiently complete lofting and line drawing operation. According to the lofting and line drawing mechanism and the lofting and line drawing method provided by the invention, the problem of low line drawing operation efficiency in the prior art can be improved.

The application relates to the technical field of hull line lofting, and discloses a hull line lofting auxiliary line drawing tool, which comprises a fixing frame, a friction piece, a cutter and a transmission mechanism, wherein the friction piece is arranged at the bottom of the fixing frame and is in sliding connection with the fixing frame, the friction piece is used for sliding friction with a line drawing template, the cutter is arranged on the fixing frame and is in sliding connection with the fixing frame, and the transmission mechanism is used for controlling the cutter to slide with the sliding of the friction piece; when the friction piece slides with the line drawing template, the transmission mechanism drives the cutter to slide, and the cutter is used for cutting and line drawing on the line drawing template. The auxiliary line drawing tool is arranged, the cutting gun of a numerical control cutting machine is replaced, high-precision lofting curves can be drawn on the line drawing template by matching the lofting curve diagram, the line drawing equipment does not need to be additionally purchased, the smoothness of the hull plate is ensured, and the cost of hull lofting is reduced.

The invention relates to the technical field of engineering operation, in particular to a bucket operation control method and system applied to an excavator. The method comprises the steps that target operation information is acquired, and a target construction operation face is determined according to the target operation information; the current bucket position of the excavator is obtained, and the bucket relative position is determined according to the current bucket position and the target construction working face; the relative position of the bucket is used for representing the position relation between the bucket of the excavator and the target construction working face; and according to the relative position of the bucket, the position of the bucket of the excavator is adjusted so that the bucket of the excavator can abut against the target construction working face. By automatically generating the target construction working face and guiding the excavator bucket to enter the face, manual lofting is not needed for positioning the working position, so that the accuracy of positioning the working position of the excavator bucket is improved, the construction problems of overexcavation, underexcavation, slope surface unevenness and the like are remarkably reduced, the construction quality is improved, and the rework rate is reduced.

The invention discloses a container ship container corner positioning parameterized lofting design and inspection system and method. The method comprises the following steps that S1, cabin structure information is obtained, and container corner drawing naming information is generated according to naming rules; s2, box type combination and arrangement parameters are set, and three-dimensional design coordinates are generated; s3, importing a drawing processing module to generate a standardized digital drawing as measurement control data; s4, installing a box corner centering device, reproducing the geometric center of the box corner and constructing a measurement target; s5, the measurement robot automatically searches a target according to the coordinates and the target, and measures and collects actual coordinates; s6, the design coordinates correspond to the measurement coordinates, deviation is calculated, and structured error data is generated; and S7, binding drawing naming information to generate an inspection report, and uploading the inspection report to a database system to realize data archiving and tracing. According to the method, the parametric modeling technology is combined, and container ship container corner digital inspection and data traceability are achieved.