6 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 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 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 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.