CN106595610B - Three-dimensional lofting rod piece - Google Patents
Three-dimensional lofting rod piece Download PDFInfo
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- CN106595610B CN106595610B CN201611080305.3A CN201611080305A CN106595610B CN 106595610 B CN106595610 B CN 106595610B CN 201611080305 A CN201611080305 A CN 201611080305A CN 106595610 B CN106595610 B CN 106595610B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
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Abstract
The invention provides a three-dimensional lofting rod piece, which is characterized in that a plurality of vertical rods are continuously arranged at preset intervals; the cross rod is erected on the vertical rod through the compass fastener; the vernier clamps are arranged on the cross rod, each vernier clamp forms the angular point coordinates of the special-shaped curved surface to be lofted, each angular point of the special-shaped curved surface to be lofted is erected on the cross rod through the vernier clamps to form the angular point coordinates, and lofting and processing of the special-shaped curved surface are completed through continuous connecting rod arrangement. The three-dimensional lofting rod piece has universality, can finish lofting and manufacturing of various space special-shaped models, reduces workload, improves efficiency, ensures the manufacturing quality of components and reduces mould waste.
Description
Technical Field
The invention relates to a three-dimensional lofting rod piece.
Background
In architectural decoration, some hyperboloid shapes are often encountered, various shapes are obtained through irregular rotation and transformation, the space special-shaped shapes are often difficult to process by using a traditional manufacturing process, and each unique shape basically needs to be set out through a single mold. At present, no general lofting manufacturing process is available for completing the manufacturing process of the special-shaped components. This also makes the determination that needs a large amount of earlier stage work to carry out the scheme before producing processing dysmorphism component, not only increases work load, can't guarantee the quality of each dysmorphism component preparation, also can't reuse the mould, causes the waste.
Disclosure of Invention
The invention aims to provide a three-dimensional lofting rod piece, which can ensure the manufacturing quality of each special-shaped component and can reuse a mould.
In order to solve the above problems, the present invention provides a three-dimensional lofting bar member, comprising:
a plurality of upright posts, which are continuously arranged at preset intervals;
the cross rod is erected on the vertical rod through the compass fastener;
and each vernier clamping piece forms the corner point coordinates of the special-shaped curved surface to be lofted, and each corner point of the special-shaped curved surface to be lofted is erected on the cross rod through the vernier clamping piece.
Further, in the three-dimensional lofting bar member, the vertical rod comprises:
the scale comprises a rod piece, a graduated scale and a threaded joint, wherein the graduated scale and the threaded joint are arranged on the rod piece;
and the support base plate is connected with the rod piece.
Furthermore, in the three-dimensional lofting rod piece, an electromagnet is arranged on the base plate of the support.
Furthermore, in the three-dimensional lofting rod piece, three electromagnets are mounted on the support chassis, three LED indicator lamps are further arranged on the support chassis, and one LED indicator lamp is connected with one electromagnet.
Furthermore, in the three-dimensional lofting rod piece, four positioning lines are marked in four directions around the support base plate.
Further, in the three-dimensional lofting rod piece, the cross rod is a rectangular tube with the cross section size of 40 × 20 × 4, and the length of the cross rod has 1200, 1500, 1800 and 2100 different specifications.
Furthermore, in the three-dimensional lofting rod piece, the end of the cross rod is provided with a tenon for lengthening.
Further, in the three-dimensional lofting rod piece, a digital level gauge is installed on the cross rod.
Furthermore, in the three-dimensional lofting rod piece, a through-long positioning line is arranged on the vertical rod;
the compass fastener includes:
a compass;
the positioning line corresponds to the zero scale of the dial scale in an initial state;
the compass comprises a rotary connecting piece of the compass, a fixed clamping piece connected with the rotary connecting piece, and a fixed screw arranged on the fixed clamping piece, wherein the cross rod is sleeved in the fixed clamping piece through the fixed screw on the fixed clamping piece.
Further, in the above three-dimensional lofting bar, the cursor clamper comprises:
the special-shaped curved surface lofting device comprises basic clamping pieces arranged on the cross rod and customized clamping pieces connected with the basic clamping pieces, wherein each angular point of the special-shaped curved surface to be lofted is placed on the customized clamping pieces.
Compared with the prior art, the invention adopts a plurality of steel upright posts which are continuously arranged according to the preset interval; the cross rod is erected on the vertical rod through the compass fastener; and each corner point of the special-shaped curved surface to be lofted is arranged on the vernier clamping piece on the cross bar, each vernier clamping piece forms a corner point coordinate of the special-shaped curved surface to be lofted, each corner point of the special-shaped curved surface to be lofted is erected on the cross bar through the vernier clamping piece to form a corner point coordinate, and lofting and processing of the special-shaped curved surface are completed through continuous connecting rod arrangement. The three-dimensional lofting rod piece has universality, can finish lofting and manufacturing of various space special-shaped models, reduces workload, improves efficiency, ensures the manufacturing quality of components and reduces mould waste.
Drawings
FIG. 1 is a block diagram of a three-dimensional lofting bar assembly according to one embodiment of the present invention;
figure 2 is a structural view of a pole of one embodiment of the present invention;
FIG. 3 is a block diagram of a pedestal pan of one embodiment of the present invention;
FIG. 4 is a block diagram of a cross bar according to one embodiment of the present invention;
FIG. 5 is a block diagram of a compass fastener in accordance with one embodiment of the present invention;
FIG. 6 is a block diagram of a cursor escapement in accordance with one embodiment of the present invention;
FIG. 7 is a schematic diagram of data recorded by measurement according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in FIG. 1, the present invention provides a three-dimensional lofting bar comprising:
the steel plate platform comprises a plurality of upright posts 2 arranged on a steel plate platform 1, wherein the upright posts are continuously arranged at preset intervals;
the cross rod 3 and the compass fastener 4 are erected on the upright rod 3 through the compass fastener 4; specifically, the compass fastener is used for connecting the vertical rod and the cross rod;
and each vernier clamping piece forms the corner point coordinate of the special-shaped curved surface to be lofted, each corner point of the special-shaped curved surface to be lofted is erected on the cross rod 3 through the vernier clamping piece 5 to form the corner point coordinate, and lofting and processing of the special-shaped curved surface are completed through continuous connecting rod arrangement. The three-dimensional lofting rod piece has universality, can finish lofting and manufacturing of various space special-shaped models, reduces workload, improves efficiency, ensures the manufacturing quality of components and reduces mould waste.
Preferably, as shown in fig. 2, the upright 2 comprises:
the rod piece 21, the graduated scale 22 arranged on the rod piece 21 and the thread 23 joint;
and the support base plate 24 is connected with the rod piece 21, and the support base plate 24 is fixed on the steel plate platform 1. Specifically, the upright rod divides member, support chassis, scale, screwed joint these several parts, and the scale is used for carrying out the location of height, and screwed joint is used for the connection extension of member.
Preferably, as shown in fig. 3, an electromagnet 25 is arranged on the support base plate 24, and the electromagnet 25 is attached to the steel plate platform 1. Specifically, the support base plate is fixedly connected with the steel plate platform in an electromagnet mode,
preferably, as shown in fig. 3, three electromagnets 25 are mounted on the support chassis 24, three LED indicators 26 are further disposed on the support chassis, and one LED indicator 26 is connected to one electromagnet 25. Specifically, three phi 80 electromagnets are mounted on the support base plate, and each electromagnet corresponds to an LED indicator light and is used for displaying whether the electromagnet works normally.
Preferably, as shown in fig. 3, four positioning lines 27 are marked on four directions around the support chassis 24 for positioning the support chassis.
Preferably, the cross bar is a rectangular tube with a cross section size of 40 × 20 × 4, and the length of the cross bar has 1200, 1500, 1800 and 2100 different specifications.
Preferably, as shown in fig. 2, the ends of the cross bar 3 are provided with tenons 31 for lengthening. Specifically, the ends of the cross bars have tenons of length 40 for making the connection of the cross bars longer.
Preferably, as shown in fig. 4, a digital level gauge is installed on the cross bar 3, and here, the angle of the cross bar can be directly read through a reading window of the digital level gauge, so that the angle positioning and checking of the cross bar are facilitated.
Preferably, as shown in fig. 5, a through-length positioning line 27 is arranged on the upright 2;
the compass fastener 4 includes:
a compass 41;
the positioning line 27 corresponds to the zero scale of the dial 42 in the initial state, specifically, the positioning line corresponds to the zero scale of the dial in the initial state, when the compass rotates for an angle, the positioning line is positioned on a certain scale of the compass, the compass scale corresponding to the positioning line is the rotation angle theta of the compass fastener, the dial can perform accurate positioning of the angle, and when the fastener rotates to a specified angle, the compass and the upright rod are fixed by three fixing screws;
the cross bar 3 is sleeved in the fixed clamping piece 45 through the fixed screw 46 on the fixed clamping piece 45, specifically, the rotary connecting piece 44 can rotate freely, so that the position of the fixed clamping piece is adjusted to be connected with the cross bar.
Preferably, as shown in fig. 6, the cursor escapement 5 comprises:
the special-shaped curved surface lofting device comprises a basic clamping piece 51 arranged on the cross rod 3 and a customized clamping piece 53 connected with the basic clamping piece 52, wherein each corner point of the special-shaped curved surface to be lofted is placed on the customized clamping piece. Specifically, for different curves or curved surface models, corresponding customized clamping pieces are designed, the customized clamping pieces and the cross rod are connected through basic clamping pieces, and positioning lofting of the special-shaped curved surface to be lofted is completed. The basic clamping piece is universal and can be reused for many times, and the customized clamping piece is customized according to a specific lofting shape and cannot be reused.
The three-dimensional lofting method adopting the three-dimensional lofting rod piece comprises the following steps:
s1, establishing a three-dimensional model to be lofted, carrying out region segmentation, and extracting one segmentation section as a special-shaped curved surface to be lofted to carry out platform lofting;
s2, determining a coordinate system of a three-dimensional lofting rod piece for each corner point of the special-shaped curved surface to be lofted in three-dimensional software;
s3, arranging an actual three-dimensional lofting rod piece according to the coordinate system;
and S4, erecting each angular point of the special-shaped curved surface to be lofted on a customized clamping piece of the cursor clamping piece of the three-dimensional lofting rod piece.
Preferably, in step S2, determining a coordinate system of the three-dimensional lofting bar member for the segment in the three-dimensional software includes:
determining the plane coordinates of No. 1-4 four positioning lines of the support base plate;
determining the height h of the compass fastener arranged on the upright stanchion;
determining the rotation angle theta of the compass fastener;
determining the distance L from a vernier clamping piece to a fixed point at the end part of the cross bar, wherein the vernier clamping piece is the corner point coordinate of the special-shaped curved surface to be lofted;
the tilt angle alpha of the crossbar is determined.
Preferably, step S3, arranging the actual three-dimensional lofting bars according to the coordinate system, includes:
establishing a coordinate grid on a steel plate platform;
positioning the upright stanchion on a coordinate grid according to the plane coordinates of the No. 1 to No. 4 four positioning lines of the support base plate, marking the serial number of the upright stanchion and the positions of the No. 1 to No. 4 four positioning lines of the upright stanchion, and marking the No. 1 positioning line;
placing the vertical rod according to the number of the vertical rod, the positions of the four positioning lines No. 1-4 of the vertical rod and the positioning line No. 1;
the height and the angle of the rotary compass are adjusted according to the height of the compass fastener arranged on the upright stanchion and the rotating angle of the compass fastener;
installing a cross bar on the compass fastener, and checking the inclination angle of the cross bar by using a digital level meter;
and positioning and installing the cursor clamping piece according to the distance L from the cursor clamping piece to the end fixing point of the cross bar.
Preferably, carry out the location installation of cursor fastener according to the distance L of cursor fastener to the tip fixed point of horizontal pole, include:
according to the distance L from the vernier clamping piece to the fixed point of the end part of the cross bar, positioning, installing and fixing a first basic clamping piece on the cross bar by using an infrared distance meter;
and on the basis of the first basic clamping piece, installing a second basic clamping piece and customizing clamping pieces arranged on the first basic clamping piece and the second basic clamping piece, fixing the first basic clamping piece, the second basic clamping piece and the customizing clamping pieces after the first basic clamping piece and the second basic clamping piece are installed in place, and finishing the positioning and installing work of the whole set of vernier clamping pieces.
In detail, the basic principle and the using process of the lofting platform of the present invention are described below by taking a case one and a multifunctional hall circular metal tube model as an example:
1. establishing a three-dimensional model of the metal round pipe, carrying out region segmentation, and extracting one segmentation section for platform lofting;
2. arranging upright posts for the metal round tubes of the segmentation sections in three-dimensional software, wherein the distance between the upright posts is approximately 500mm;
3. a coordinate system is arranged and the relative positioning dimensions are measured.
As shown in fig. 7, the data of the required measurement records include:
1. 2, 3, 4, measuring according to a coordinate system;
the height h of the compass fastener is read by the vertical rod graduated scale;
the rotation angle theta of the compass fastener is read through a graduated scale of the compass fastener;
the distance L from the vernier caliper to the fixed point of the end part of the cross bar is directly measured;
angle measurement of the inclination angle alpha of the cross bar.
The vertical rod graduated scale is provided with a full-length positioning line, the positioning line corresponds to the zero scale of the graduated disk in an initial state, after the compass rotates for an angle, the positioning line can be positioned on a certain scale of the compass, and the compass scale corresponding to the positioning line is the rotation angle theta of the compass fastener.
TABLE 1
In table 1, data are recorded for part of the measurement, X1 and Y1 are plane coordinates of a positioning line No. 1, and the positioning principle of "+" and "-" in the column L is that a certain vertical rod is used as a base point, the direction increasing towards the vertical rod is "+" and the direction decreasing towards the vertical rod is "-". Point 1B is taken as an example to illustrate: wherein 196 refers to 196 distance from the 1B rod as a base point to the 1A rod; +462 means the distance 462 toward the 1C rod with the 1B rod as the base point.
In the model, the actual spatial lofting work can be performed after recording the data as shown in table 1. The method comprises the following specific steps:
the first step is as follows: establishing a coordinate grid on a steel plate platform;
the second step: positioning the vertical rod on a coordinate grid according to the table data, marking the number of the vertical rod and the positions of four positioning lines No. 1-4 of the vertical rod, and marking the positioning line No. 1;
the third step: placing the upright rods according to the designated positions;
the fourth step: adjusting the height and angle of the rotary compass according to the height h of the compass fastener and the value of the angle theta of rotation of the compass fastener in the table;
the fifth step: installing a cross bar on the compass fastener, and checking the inclination angle alpha of the cross bar by using a digital level meter;
and a sixth step: positioning and installing the vernier clamping piece according to the distance L from the vernier clamping piece to the end fixing point of the cross bar in the table, firstly, positioning, installing and fixing the No. 1 basic clamping piece by using an infrared range finder, then, installing the No. 2 basic clamping piece and the No. 3 customized clamping piece on the basis of the No. 1 basic clamping piece, and fixing after the installation is in place to finish the positioning and installing work of the whole clamping piece;
the seventh step: and (5) performing round pipe lofting according to the lofting platform.
In detail, the principles of the invention are described below in case two, dance center rotary stair ribbon loft:
the whole root streamer of stair rises along the trend of rotatory stair, and every section face of streamer all is the quadrangle of constantly changing, when the streamer preparation, decomposes into a plurality of unit with whole root streamer, carries out the segmentation preparation, assembles after accomplishing, uses certain section as the example below to carry out the laying-out of streamer through three-dimensional laying-out member:
firstly, three-dimensional simulation is carried out, and the size positioning of the upright stanchion, the rotary compass and the clamping piece is determined;
then, as in the previous lofting process of the metal round tube, coordinate grid arrangement, upright stanchion placement, rotary compass adjustment, cross bar placement, clamping piece placement and lofting are carried out on site;
different from the prior metal round pipe, the ribbon is formed by splicing four steel plates, each steel plate is in a curved surface shape, and lofting work of the steel plates needs to be carried out, so that the positioning clamping piece is different;
and (4) making the customized clamping piece according to the size in the model, and mounting the customized clamping piece on the basic clamping piece for fixing after the making.
In addition, because the ribbon has a high section, one vertical rod cannot meet the requirement on height, and therefore needs to be lengthened. But for guaranteeing overall stability after lengthening, need the joint support horizontal pole between two pole settings, guarantee the overall stability of whole laying-out platform.
The vertical rods of the three-dimensional lofting rod piece are in threaded connection, so that the scales of the two vertical rods can be completely butted, and meanwhile, the rod piece can be conveniently lengthened and disassembled. The horizontal pole passes through the compass fastener to be connected and is fixed to the pole setting, and the using-way is various, and the flexible operation can not only be used for carrying out the laying-out location, supports the laying-out part, can also be used for connecting as supporting the horizontal pole, guarantees the overall stability of laying-out platform.
The three-dimensional lofting rod piece is used for solving the lofting manufacture of a space special-shaped component and provides a universal and advanced lofting method for the special-shaped component. The platform has the advantages of flexible lofting, high accuracy and strong systematization, and can meet the lofting of various complex shapes. The lofting rod piece and various universal components are produced by the factory in a unified way, and the accuracy of the components is ensured. Before the implementation of the scheme, a three-dimensional model is established, and the feasibility analysis of the scheme is carried out in one step to ensure the smooth implementation of the scheme. The positioning system of the lofting platform is accurate and perfect, and can provide positioning of all positions in the whole space. The chassis adopts the fixed mode of electro-magnet, and the dismouting is removed conveniently, and is fixed firm, guarantees the stability of platform. By adopting advanced measuring means such as a digital distance meter and an electronic level meter, the measuring work is convenient, and the accuracy is ensured.
In summary, the invention provides a steel plate platform; the vertical rods are arranged on the steel plate platform and are continuously arranged at preset intervals; the cross rod is erected on the vertical rod through the compass fastener; specifically, the compass fastener is used for connecting the vertical rod and the cross rod; the vernier clamps are arranged on the cross rod, each vernier clamp forms the angular point coordinates of the special-shaped curved surface to be lofted, each angular point of the special-shaped curved surface to be lofted is erected on the cross rod through the vernier clamps to form the angular point coordinates, and lofting and processing of the special-shaped curved surface are completed through continuous connecting rod arrangement. The three-dimensional lofting rod piece has universality, can finish lofting and manufacturing of various space special-shaped models, not only reduces the workload and improves the efficiency, but also ensures the quality of component manufacturing and reduces the waste of moulds.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It will be apparent to those skilled in the art that various changes and modifications may be made in the invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. A three-dimensional lofting bar, comprising:
a plurality of upright posts, which are continuously arranged at preset intervals;
the cross bar is erected on the vertical rod through the compass fastener, so that the height and the angle of the rotary compass can be adjusted according to the height of the compass fastener on the vertical rod and the rotation angle of the compass fastener required by the three-dimensional model;
the vernier clamps are arranged on the cross bar, each vernier clamp forms the corner point coordinates of the special-shaped curved surface to be lofted, and each corner point of the special-shaped curved surface to be lofted is erected on the cross bar through the vernier clamp;
the pole setting includes:
a rod member; the graduated scale and the threaded joint are arranged on the rod piece;
a support chassis connected with the rod;
a through long positioning line is arranged on the vertical rod;
the compass fastener includes:
a compass;
the positioning line corresponds to the zero scale of the dial scale in the initial state;
a rotary connector connected with the compass; the fixed clamping piece is connected with the rotary connecting piece; the cross rod is sleeved in the fixed clamping piece through the fixed screw on the fixed clamping piece;
the vernier caliper comprises:
the basic clamping piece is arranged on the cross rod; and the customized clamping piece is connected to the basic clamping piece, each angular point of the special-shaped curved surface to be lofted is placed on the customized clamping piece, and the customized clamping piece is customized according to the special-shaped curved surface to be lofted.
2. The three-dimensional lofting bar of claim 1 wherein an electromagnet is disposed on the carrier chassis.
3. The three-dimensional lofting rod member of claim 1, wherein three electromagnets are installed on the support chassis, three LED indicator lamps are further arranged on the support chassis, and one LED indicator lamp is connected with one electromagnet in a one-to-one correspondence manner.
4. The three-dimensional lofting bar of claim 1, wherein four directions around the support base plate indicate four alignment lines.
5. The three-dimensional lofting bar of claim 1, wherein the cross-bars are rectangular tubes with a cross-sectional dimension of 40 x 20 x 4, and have lengths of 1200, 1500, 1800, 2100 different gauges.
6. The three-dimensional lofting bar of claim 1 wherein the ends of the cross-bar are provided with tenons for lengthening.
7. The three-dimensional lofting bar of claim 1 wherein a digital level is mounted on the cross-bar.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610613029 | 2016-07-29 | ||
| CN2016106130296 | 2016-07-29 |
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| CN106595610A CN106595610A (en) | 2017-04-26 |
| CN106595610B true CN106595610B (en) | 2023-02-28 |
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| CN108978647A (en) * | 2018-07-13 | 2018-12-11 | 中国冶集团有限公司 | Road cement mixing pile measurement and positioning tool and localization method |
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| CN2052724U (en) * | 1989-09-15 | 1990-02-14 | 代龙云 | Table type multipurpose combination compass |
| US7739806B1 (en) * | 2007-06-15 | 2010-06-22 | Nedful Products Co., Ltd. | Three-dimensional combination measuring tool |
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