CN111119502A - Machining method of tool jig frame - Google Patents
Machining method of tool jig frame Download PDFInfo
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- CN111119502A CN111119502A CN201911390726.XA CN201911390726A CN111119502A CN 111119502 A CN111119502 A CN 111119502A CN 201911390726 A CN201911390726 A CN 201911390726A CN 111119502 A CN111119502 A CN 111119502A
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- Prior art keywords
- jig frame
- height
- spiral
- jig
- tooling
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
- E04G21/185—Means for positioning building parts or elements for anchoring elements or elements to be incorporated in the structure
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
The invention relates to a processing method of a tooling jig frame, which comprises the following steps: positioning and paying off; determining the height of a horizontal jig frame; the assembly of the support column and the upper plate is determined. The invention overcomes the problems of complex coordinate calculation of positioning points, higher jig height and high risk in the jig frame manufacturing technology of the prior art relating to the large-rotation-angle large-size bent box type steel beam spiral staircase, and provides a processing method of a tooling jig frame. The processing method has the advantages of simple manufacture, high efficiency and capability of saving the manufacturing material of the jig frame; the jig frame has the advantages of simple structure, reasonable layout and positioning, stable acting force, saving of jig frame manufacturing materials, reusability of the jig frame and cost saving; the jig frame effectively controls the machining dimensional accuracy of the spiral box-shaped beam of the spiral staircase, and realizes the operation of the curved arc beam of the spiral staircase; according to the arc height of the bent beam, the height of each web plate support can be set at the node, and assembly is guaranteed not to sink.
Description
Technical Field
The invention relates to the field of buildings, in particular to a machining method of a tool jig frame.
Background
In the building design, the unique oblique line shape of the stair is combined with the soft posture of the arc line, the stair is concentrated in the rotary stair, and the static space can be changed into an active dynamic environment. People often prefer spiral stairs as long as the space with the conditions is provided in the design of the stairs.
The spiral stair not only has unique artistic grace modeling, but also occupies a small area, the steel structure stair is in a space spiral structure form, and the section is box-shaped. In the past, multisection section turn round box girder steel spiral staircase adopts "bed-jig location, the firer corrects" and "single section preparation earlier, the whole preparation technique of assembling" again, to the big size turn round box girder steel spiral staircase of big rotation angle, preparation frock bed-jig is necessary, a serial communication port, including a steel platform, it has the radian to support and one row of crossbeam is fixed to be provided with one row with steel platform mutually perpendicular on the steel platform, one side of every support is fixed with a flange board support and makes up into an h type support, the height of support is increaseed from one end in proper order, bed-jig preparation technique has following difficult point:
(1) positioning and paying off: the coordinates of the positioning points are complex to calculate, the size of the selected coordinate points is reasonable, and the required precision is high.
(2) The height of the jig frame is high, the risk is high, and the control of the erection of the support is a key and difficult point to maintain the uniform stress of each jig frame.
(3) The inner partition plate of the bending box type component is assembled in front of the web, so that the assembly of the web is difficult, and the alignment amount is large in riveting correction.
Disclosure of Invention
The invention overcomes the problems of complex coordinate calculation of positioning points, higher jig height and high risk in the jig frame manufacturing technology of the prior art relating to the large-rotation-angle large-size bent box type steel beam spiral staircase, and provides a processing method of a tooling jig frame. The processing method has the advantages of simple manufacture and high efficiency, saves the manufacturing materials of the moulding bed, realizes the progress and quality management of the engineering project, improves the field construction efficiency and reduces the management cost of the engineering project.
In order to solve the above disadvantages, the invention adopts the technical scheme that:
a machining method of a tooling jig frame comprises the following steps:
s1, positioning and paying off, namely determining the position of a central point according to the size of a drawing, popping 2 semicircular arcs on a platform by taking the distance from the central point to the inner arc and the outer arc of the spiral stair as the radius, and fixing the coordinates of each point of a three-dimensional space of a flange plate and a web plate of a bent beam in an actual design detailed drawing and the XY coordinates of two-dimensional plane expansion; taking points, measuring and checking;
s2, determining the height of the horizontal jig frame: determining a datum line and measuring the section of the jig frame; the support columns are placed on the outer side of the ladder beam of the spiral stair; the support column is vertically welded and fixed with the ground; calculating a given angle according to a drawing, dividing the length and the width of each step and the rest platform on an outer arc by using a theodolite, and marking a separation point;
s3, determining a strut: setting the height of a jig frame according to a spiral stair, selecting a required support column through the spiral stair for lofting, assembling a lower flange plate after the jig frame is positioned, adjusting each coordinate of the lower flange plate to be in place, marking an assembled control point, and corresponding to the 1 st web plate; marking lines are correspondingly drawn on the web plate according to the assembly drawing and correspond to the lower flange plate; the web plate of the spiral stair is arranged vertical to the ground;
s4, assembling an upper plate: after the curve coordinates of the support columns are qualified through professional inspection, the support columns can be assembled on a plate.
Further, the point taking measurement check in S1 is performed by a total station; and the error between the point taking measurement inspection and the model coordinate is controlled within 1 mm.
Further, the length and width of the step and the rest platform in the step 2 are controlled within 1mm compared with the set length and width deviation.
Further, the width of the marked separation point in S2 is controlled within 1mm from the set width.
Further, the cross section of the measuring jig in S2 is measured by a level or a level pipe.
Further, the height of the supporting column in S2 is determined by the actual height of the spiral staircase.
Further, the jig frame in S3 is determined by a total station and a tape measure.
Further, before the installation of the web in S3, the lower flange plate is fixed and must not be loosened.
Compared with the prior art, the invention has the following advantages:
and an efficient and feasible installation scheme is analyzed and formulated from multiple aspects by combining actual engineering conditions, so that the beneficial effect on the engineering project is remarkable. In the aspect of project progress control, cross construction without work types is comprehensively considered, the practical construction problems among the work types are coordinated to the maximum extent, and the key progress is ensured; in the aspect of engineering quality control, the scheme can be suitable for steel plate spiral stairs, strip steel column support spiral stairs and other various heavy steel structure spiral stairs, and provides references for popularization and construction of the spiral stairs; the jig frame manufactured by the method has the advantages of simple structure, reasonable layout and positioning, stable acting force, saving of jig frame manufacturing materials, reusability of the jig frame and cost saving; the jig frame effectively controls the machining dimensional accuracy of the spiral box-shaped beam of the spiral staircase, and realizes the operation of the curved arc beam of the spiral staircase; according to the arc height of the bent beam, the height of each web plate support can be set at the node, and assembly is guaranteed not to sink.
Drawings
Fig. 1 is a schematic structural view of a tooling jig of the present invention.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In an embodiment, a method for processing a tooling jig frame specifically includes the following steps:
s1, positioning and paying off, namely determining the position of a central point according to the size of a drawing, popping 2 semicircular arcs on a platform by taking the distance from the central point to the inner arc and the outer arc of the spiral stair as the radius, and fixing the coordinates of each point of a three-dimensional space of a flange plate and a web plate of a bent beam in an actual design detailed drawing and the XY coordinates of two-dimensional plane expansion; taking points, measuring and checking;
s2, determining the height of the horizontal jig frame: determining a datum line and measuring the section of the jig frame; the support columns are placed on the outer side of the ladder beam of the spiral stair; the support column is vertically welded and fixed with the ground; calculating a given angle according to a drawing, dividing the length and the width of each step and the rest platform on an outer arc by using a theodolite, and marking a separation point;
s3, determining a strut: setting the height of a jig frame according to a spiral stair, selecting a required support column through the spiral stair for lofting, assembling a lower flange plate after the jig frame is positioned, adjusting each coordinate of the lower flange plate to be in place, marking an assembled control point, and corresponding to the 1 st web plate; marking lines are correspondingly drawn on the web plate according to the assembly drawing and correspond to the lower flange plate; the web plate of the spiral stair is arranged vertical to the ground;
s4, assembling an upper plate: after the curve coordinates of the support columns are qualified through professional inspection, the support columns can be assembled on a plate.
The processing method of the tooling jig frame is suitable for steel plate spiral stairs, strip steel column supporting spiral stairs and other various heavy steel structure spiral stairs, and provides reference for popularization and construction of the spiral stairs; the jig frame manufactured by the method is simple in structure, reasonable in layout and positioning, stable in acting force, capable of saving jig frame manufacturing materials, reusable and cost-saving; the jig frame effectively controls the machining dimensional accuracy of the spiral box-shaped beam of the spiral staircase, and realizes the operation of the curved arc beam of the spiral staircase; according to the arc height of the bent beam, the height of each web plate support can be set at the node, and assembly is guaranteed not to sink. The jig frame technology realizes the safety, reliability and economy of engineering projects.
The following describes a design method of the tooling jig frame processing method with reference to specific embodiments, so as to further understand the inventive concept of the tooling jig frame processing method:
in one embodiment, referring to fig. 1, the present invention relates to a tooling jig, wherein the height of the stairs is about 5.4 meters, the maximum radius of the outer periphery is 8.4 meters, the radius of the inner ring is 6.5 meters, the total weight is about 4.07t, the box-shaped cross section is a rectangle 300 x 200 x 10, and the material is Q235B. The figured steel plate is galvanized with 6mm thickness, 5 secondary beams (2 rest platform beams) are distributed between the ladder beams at two sides, and the section is a rectangle 200X 10.
A machining method of a tool jig frame comprises the following steps:
s1, positioning and paying-off: according to the drawing size, a central point position is determined on a steel platform, 2 semicircular arcs pop up on the platform by taking the distance from the central point to the inner arc and the outer arc of the spiral stair as a radius, and the coordinates of each point of a three-dimensional space of a flange plate and a web plate of a bent beam in an actual design detailed drawing and the XY coordinates of two-dimensional plane expansion are fixed; taking points, measuring and checking; point taking measurement inspection is carried out by adopting a total station; and the error between the point measurement inspection and the model coordinate is 0.5 mm.
S2, determining the height of the horizontal jig frame: measuring and determining a datum line by adopting a level meter, and measuring the section of the jig frame by using an H-shaped level meter; the support columns are placed on the outer side of the ladder beam of the spiral stair; the support column is vertically welded and fixed with the ground, the height of the support column is determined by the actual height of the spiral stair, and a height difference line on the jig frame needs to adopt a water meter to measure a fixed point; calculating a given angle according to a drawing, dividing each step into 400 × 150mm and a rest platform into 3594 × 3594mm on an outer circular arc by using a theodolite placed at a central point, and marking a separation point; the length and width of the stepping and resting platform are deviated by 0.5mm compared with the set length and width.
S3, determining a strut: setting the height of a jig frame according to the spiral stairs, selecting a required support column through the spiral stairs for lofting, and manufacturing the jig frame, wherein the jig frame is determined through a total station and a tape measure; after the jig frame is positioned, assembling the lower flange plate, adjusting each coordinate of the lower flange plate in place, marking an assembled control point, and corresponding to the No. 1 web plate; before the web plate is installed, the lower flange plate is fixed and cannot be loosened, a mark line is drawn on the web plate according to an assembly drawing and corresponds to the lower flange plate, and the web plate of the rotating member is vertical to the ground according to the characteristics of the rotating member;
s4, assembling an upper plate: after the curve coordinates of the supporting columns are qualified by the inspection of professional quality inspectors, the supporting columns can be assembled on a plate.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The machining method of the tooling jig frame is characterized by comprising the following steps of:
s1, positioning and paying-off: according to the size of a drawing, determining the position of a central point, respectively popping 2 semicircular arcs on a platform by taking the distance from the central point to an inner arc and an outer arc of a spiral stair as a radius, and fixing the coordinates of each point of a three-dimensional space of a flange plate and a web plate of a bent beam in an actual design detailed drawing and the expanded XY coordinates of a two-dimensional plane; taking points, measuring and checking;
s2, determining the height of the horizontal jig frame: determining a datum line and measuring the section of the jig frame; the support columns are placed on the outer side of the ladder beam of the spiral stair; the support column is vertically welded and fixed with the ground; calculating a given angle according to a drawing, dividing the length and the width of each step and the rest platform on an outer arc by using a theodolite, and marking a separation point;
s3, determining a strut: setting the height of a jig frame according to a spiral stair, selecting a required support column through the spiral stair for lofting, assembling a lower flange plate after the jig frame is positioned, adjusting each coordinate of the lower flange plate to be in place, marking an assembled control point, and corresponding to the 1 st web plate; marking lines are correspondingly drawn on the web plate according to the assembly drawing and correspond to the lower flange plate; the web plate of the spiral stair is arranged vertical to the ground;
s4, assembling an upper plate: after the curve coordinates of the support columns are qualified through professional inspection, the support columns can be assembled on a plate.
2. The tooling jig frame machining method of claim 1, wherein the point taking measurement inspection in S1 is performed by a total station; and the error between the point taking measurement inspection and the model coordinate is controlled within 1 mm.
3. The tooling jig frame processing method according to claim 1, wherein the length and width of the step and rest platform in S2 are controlled within 1mm from the set length and width.
4. The tooling jig frame processing method according to claim 1, wherein the width of the marked separation point in S2 is controlled within 1mm from the set width deviation.
5. The tooling jig machining method of claim 1, wherein the measuring jig section in the S2 is through a level or a horizontal pipe.
6. The tooling jig frame processing method of claim 1, wherein the height of the support column in the step S2 is determined by the actual height of the spiral staircase.
7. The tooling jig machining method of claim 1, wherein the jig in the S3 is determined by a total station and a tape measure.
8. The tooling jig frame processing method of claim 1, wherein the lower flange plate is fixed and must not be loosened before the web plate is installed in the step S3.
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| CN201911390726.XA CN111119502A (en) | 2019-12-30 | 2019-12-30 | Machining method of tool jig frame |
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| CN201911390726.XA CN111119502A (en) | 2019-12-30 | 2019-12-30 | Machining method of tool jig frame |
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| CN111119502A true CN111119502A (en) | 2020-05-08 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814299A (en) * | 2021-02-07 | 2021-05-18 | 浙江鸿翔筑能钢构有限公司 | Spiral staircase and manufacturing method thereof |
| CN112814295A (en) * | 2020-12-31 | 2021-05-18 | 中建钢构武汉有限公司 | Manufacturing method of prefabricated staircase beam section and prefabricated staircase section |
| CN113378262A (en) * | 2021-05-24 | 2021-09-10 | 中建钢构武汉有限公司 | Method and device for acquiring machining information of cranked component and storage medium |
| CN114986434A (en) * | 2022-07-06 | 2022-09-02 | 江西恒禹设备安装有限公司 | Installation auxiliary fixtures are erect to large-scale metal storage tank outside dish ladder |
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| JPH02269266A (en) * | 1989-04-07 | 1990-11-02 | Kiyoshi Shimizu | Slide rule and measuring method for rotary staircase side plate therewith |
| CN101774109A (en) * | 2010-01-19 | 2010-07-14 | 江苏沪宁钢机股份有限公司 | Method for manufacturing double-spiral steel staircase without middle standing pillar |
| CN104947866A (en) * | 2015-07-13 | 2015-09-30 | 中铁建工集团有限公司 | Open type spiral staircase constructed by casting fair-faced concrete folded plates in situ and construction method of spiral staircase |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814295A (en) * | 2020-12-31 | 2021-05-18 | 中建钢构武汉有限公司 | Manufacturing method of prefabricated staircase beam section and prefabricated staircase section |
| CN112814299A (en) * | 2021-02-07 | 2021-05-18 | 浙江鸿翔筑能钢构有限公司 | Spiral staircase and manufacturing method thereof |
| CN113378262A (en) * | 2021-05-24 | 2021-09-10 | 中建钢构武汉有限公司 | Method and device for acquiring machining information of cranked component and storage medium |
| CN114986434A (en) * | 2022-07-06 | 2022-09-02 | 江西恒禹设备安装有限公司 | Installation auxiliary fixtures are erect to large-scale metal storage tank outside dish ladder |
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