CN107654074B - Multi-pipe multi-angle bent pipe assembling space positioning method - Google Patents

Multi-pipe multi-angle bent pipe assembling space positioning method Download PDF

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Publication number
CN107654074B
CN107654074B CN201710869082.7A CN201710869082A CN107654074B CN 107654074 B CN107654074 B CN 107654074B CN 201710869082 A CN201710869082 A CN 201710869082A CN 107654074 B CN107654074 B CN 107654074B
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CN
China
Prior art keywords
positioning
bent pipe
multi
bottom plate
pipe
Prior art date
Application number
CN201710869082.7A
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Chinese (zh)
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CN107654074A (en
Inventor
庞林森
钟英福
郭继舟
李少祥
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中国一冶集团有限公司
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Priority to CN201710869082.7A priority Critical patent/CN107654074B/en
Publication of CN107654074A publication Critical patent/CN107654074A/en
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Publication of CN107654074B publication Critical patent/CN107654074B/en

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14Conveying or assembling building elements
    • E04G21/16Tools or apparatus
    • E04G21/18Adjusting tools; Templates
    • E04G21/1841Means for positioning building parts or elements
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00Computer-aided design [CAD]
    • G06F30/10Geometric CAD
    • G06F30/13Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00Computer-aided design [CAD]
    • G06F30/20Design optimisation, verification or simulation

Abstract

The invention discloses a multi-pipe multi-angle bent pipe assembly space positioning method, which comprises the following steps: the method comprises the steps of firstly determining the position of a bottom plate of the bent pipe assembly by means of an auxiliary positioning bracket with a coordinate system, then determining coordinate values of central points of top circles and bottom circles of all bent pipes in the coordinate system of the positioning bracket by computer software and design drawings, calibrating the central points of the bottom circles and the top circles of the bent pipes on the bracket by a positioning part, moving the corresponding bent pipes to align the positions of the bottom plates in the bracket, and sequentially positioning a plurality of bent pipes in the bracket by simple welding.

Description

Multi-pipe multi-angle bent pipe assembling space positioning method

Technical Field

The invention belongs to the field of steel structure manufacturing, and particularly relates to a space multi-tube multi-angle bent tube assembling and positioning method.

Background

The steel structure industry in China is rapidly developed, and the steel structure four-tube lattice column is adopted more and more in construction. The steel structure four-tube lattice column has the advantages of beautiful appearance, good adaptability, reasonable structural stress, steel saving and the like. For a four-tube lattice column with four limb tubes on the top of the column in a crotch form, hidden penetration weld joints on the top of the column are dense, multiple assembling and multiple welding exist, the welding difficulty is high, the spatial positioning of the four tubes on the top of the column is a difficult point, the four tubes are close and not straight tubes, the angle is complex, the central point of the lower port of the tube needs to be positioned firstly in the positioning, and the positioning of the highest point and the lowest point of the upper port of the tube is a key.

Disclosure of Invention

Aiming at the problems in the prior art, the technical scheme adopted by the invention for solving the problems in the prior art is as follows:

a multi-pipe multi-angle elbow assembling space positioning method is characterized in that: the method comprises the following steps:

step one, erecting an auxiliary positioning support, and leveling a positioning platform 2 at the bottom surface of the auxiliary positioning support to ensure that the upper surface and the lower surface of the auxiliary positioning support are horizontal;

secondly, mounting a bottom plate 5 on a positioning platform 2 at the bottom of the auxiliary positioning support, drawing a bent pipe assembly reference line on the bottom plate 5 according to a bent pipe design drawing, wherein the reference line is overlapped with an X axis and a Y axis on the positioning platform 2, and fixing the bottom plate 5 on the positioning platform 2 in a spot welding manner after the positions are aligned;

thirdly, simulating and calculating three-dimensional coordinate values of the central points of the bottom surface circle and the top surface circle of each bent pipe on the bottom plate 5 in a positioning bracket coordinate system by using computer drawing software according to a design drawing;

moving a bent pipe to the bottom plate 5 to enable the center points of the bottom surface circle and the top surface circle of the bent pipe to coincide with the coordinate positioning points of the center points of the bottom surface circle and the top surface circle of the bent pipe calculated in the step three in the positioning support, then performing simple welding treatment on the edge of the bent pipe and the bottom plate to complete positioning of the bent pipe, and subsequently completing positioning of other bent pipes in the same way in sequence until all bent pipes 6 are installed and positioned on the bottom plate 5;

and step five, detaching the bottom plate 5 from the positioning platform 2 to complete the assembling and positioning process of the multi-pipe multi-angle bent pipe on the bottom plate 5.

The auxiliary positioning support comprises a bottom surface positioning platform 2 and a frame 1 which is arranged above the platform and is composed of a plurality of vertical and horizontal upright rods, a movable measuring rod 3 is arranged above the frame 1, a plumb bob 4 is hung below the measuring rod 3, and scale marks are arranged on the vertical lines of the edge of a transverse rod above the positioning frame, the edge of the measuring rod 3 and the plumb bob 4 and used for carrying out coordinate position calibration on the plumb bob body sharp point at the bottom of the plumb bob 4.

The positioning platform 2 is provided with an X axis and a Y axis which are parallel to the length and width directions and are drawn by taking the platform center point as a reference, and the scale marks on the transverse rod, the measuring rod 3 and the plumb bob 4 on the frame 1 are calibrated by using the coordinate axis zero point on the positioning platform 2, so that the plumb bob 4 can be conveniently and subsequently utilized to perform space positioning on the elbow pipe center point with known coordinate values.

The invention has the following advantages:

the invention provides a multi-pipe multi-angle bent pipe assembling space positioning method, which can quickly solve the problem that the current multi-pipe multi-angle bent pipe cannot be quickly and accurately positioned by a cross rod with scales, a movable measuring rod and a linear hammer on an auxiliary positioning bracket.

Drawings

FIG. 1 is a schematic view of a positioning device according to the present invention;

FIG. 2 is a schematic view of the positioning structure of each bent pipe according to the present invention;

FIG. 3 is a schematic diagram of the positioning of the center points of the bent pipes in a coordinate system according to the present invention;

wherein: the three-dimensional coordinate system comprises a frame 1, a positioning platform 2, a measuring rod 3, a line hammer 4, a bottom plate 5, a bent pipe 6 and an ACDFJGKM, wherein the bottom surface and the top surface of each bent pipe are respectively a central point, and the three-dimensional coordinate value of each point is shown in brackets.

Detailed Description

The technical solution of the present invention is further described in detail below by way of embodiments and with reference to the accompanying drawings, as shown in fig. 1-3, a multi-tube multi-angle elbow pipe assembly space positioning method is characterized in that: the method comprises the following steps:

step one, erecting an auxiliary positioning support, wherein the auxiliary positioning support comprises a bottom positioning platform 2 and a frame 1 which is arranged above the platform and consists of a plurality of vertical and horizontal poles, a movable measuring rod 3 is arranged above the frame 1, a plumb bob 4 is hung below the measuring rod 3, the plumb bob 4 can move along the measuring rod 3 and can move up and down along the vertical direction, scale marks are arranged on the edge of a cross rod above the positioning frame 1, the edge of the measuring rod 3 and the plumb line of the plumb bob 4 and are used for calibrating the coordinate position of a pointed point of a hammer body at the bottom of the plumb bob 4, and after the auxiliary positioning support is erected, an auxiliary cushion block and a leveling instrument are used for leveling the positioning platform 2 to ensure that the upper surface and the lower surface of the auxiliary;

secondly, a bottom plate 5 is installed on a positioning platform 2 at the bottom of the auxiliary positioning support, an X axis and a Y axis which are parallel to the length and width directions are drawn on the positioning platform 2 by taking a platform center point as a reference, scale calibration is carried out on scale marks on coordinate axes zero points on the positioning platform 2 on a cross bar, a measuring rod 3 and a plumb bob 4 on the frame 1, space positioning of a bent pipe center point with known coordinate values is facilitated by the plumb bob 4, mutually vertical bent pipe assembly reference lines are drawn on the bottom plate 5 according to a bent pipe design drawing, the reference lines are superposed with the X axis and the Y axis on the positioning platform 2, scale calibration is carried out on a reference line on the bottom plate 5, the scale calibration is consistent with that on the cross bar and the measuring rod on the frame 1, and the bottom plate 5 is fixed on the positioning platform 2 in a spot welding mode after the position of the bottom plate;

thirdly, simulating and calculating three-dimensional coordinate values of the central points of the bottom surface circle and the top surface circle of each bent pipe on the bottom plate 5 in a positioning bracket coordinate system by using computer drawing software such as CAD (computer-aided design), TAKLE (takele) and the like according to a design drawing;

moving a bent pipe to the bottom plate 5, calibrating the central points of the bottom circle and the top circle of the bent pipe by using iron wires or thin wires, according to the coordinate values of the central points of the bottom surface circle and the top surface circle of the corresponding bent pipe in the third step in the positioning bracket, the position of the central point of the bottom surface circle of the bent pipe is determined on the bottom plate 5 through a reference line coordinate system, the position of the central point of the top surface circle of the bent pipe is determined through horizontally moving the measuring rod 3 and longitudinally moving the plumb bob 4, then the bent pipe is moved to ensure that the center points of the bottom surface circle and the top surface circle of the calibrated bent pipe coincide with the coordinate positioning points of the center points of the bottom surface circle and the top surface circle of the bent pipe calculated in the step three in the positioning bracket, then the simple welding treatment of the edge of the bent pipe and the bottom plate is carried out, namely, positioning of one bent pipe is completed, and then positioning of other three bent pipes is sequentially completed in the same way until all bent pipes 6 are installed and positioned on the bottom plate 5;

and step five, detaching the bottom plate 5 from the positioning platform 2, namely completing the assembling and positioning process of the multi-pipe multi-angle bent pipe on the bottom plate 5.

The protective scope of the present invention is not limited to the above-described embodiments, and it is apparent that various modifications and variations can be made to the present invention by those skilled in the art without departing from the scope and spirit of the present invention. It is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

Claims (1)

1. A multi-pipe multi-angle elbow assembling space positioning method is characterized in that: the method comprises the following steps:
step one, erecting an auxiliary positioning support, and leveling a positioning platform on the bottom surface of the auxiliary positioning support to ensure that the upper surface and the lower surface of the auxiliary positioning support are horizontal;
mounting a base plate on the positioning platform of the auxiliary positioning support, drawing a bent pipe assembly reference line on the base plate according to a bent pipe design drawing, wherein the reference line is superposed with an X axis and a Y axis on the positioning platform, and fixing the base plate on the positioning platform in a spot welding manner after the positions are aligned;
thirdly, simulating and calculating three-dimensional coordinate values of the central points of the bottom surface circle and the top surface circle of each bent pipe on the bottom plate in a positioning bracket coordinate system by using computer drawing software according to a design drawing;
moving a bent pipe to the bottom plate to enable the center points of the bottom surface circle and the top surface circle of the bent pipe to coincide with the coordinate positioning points of the center points of the bottom surface circle and the top surface circle of the bent pipe calculated in the step three in the positioning support, then performing simple welding treatment on the edge of the bent pipe and the bottom plate to complete positioning of the bent pipe, and subsequently completing positioning of other bent pipes in sequence in the same way until all bent pipes are installed and positioned on the bottom plate;
step five, the bottom plate is detached from the positioning platform, and the assembling and positioning process of the multi-pipe multi-angle bent pipe on the bottom plate is completed;
the auxiliary positioning support comprises a positioning platform and a frame which is arranged above the positioning platform and consists of a plurality of transverse rods and vertical rods, a movable measuring rod is arranged above the frame, a plumb bob is hung below the measuring rod, and scale marks are arranged on the edges of the transverse rods above the frame, the edges of the measuring rod and the plumb line of the plumb bob;
and the positioning platform is provided with an X axis and a Y axis which are parallel to the length and width directions and take the center point of the positioning platform as a reference, and the scale marks on the cross rod, the measuring rod and the plumb bob above the frame are calibrated by using the zero point of the coordinate axis on the positioning platform.
CN201710869082.7A 2017-09-22 2017-09-22 Multi-pipe multi-angle bent pipe assembling space positioning method CN107654074B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710869082.7A CN107654074B (en) 2017-09-22 2017-09-22 Multi-pipe multi-angle bent pipe assembling space positioning method

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Application Number Priority Date Filing Date Title
CN201710869082.7A CN107654074B (en) 2017-09-22 2017-09-22 Multi-pipe multi-angle bent pipe assembling space positioning method

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CN107654074B true CN107654074B (en) 2020-05-01

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108894317A (en) * 2018-04-28 2018-11-27 中建钢构武汉有限公司 A kind of structural member assemble method
CN110539162A (en) * 2019-09-06 2019-12-06 首都航天机械有限公司 digital sampling manufacturing method for conduit based on actual assembly space on arrow

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03170272A (en) * 1990-08-09 1991-07-23 Sanwa Tekki Corp Heavy pipe standing jig
CN102251476A (en) * 2011-04-19 2011-11-23 中铁二十三局集团第三工程有限公司 Measurement control method for field installation of steel tube lattice pier
CN103114732A (en) * 2013-02-06 2013-05-22 陕西建工集团机械施工有限公司 Cast steel penetration pipe node space positioning method
CN104907377A (en) * 2015-06-26 2015-09-16 江苏新恒基特种装备股份有限公司 Spatial elbow turning angle guiding device with angle measurement
CN106363280A (en) * 2015-07-22 2017-02-01 中国二冶集团有限公司 Manufacturing method for tower frame base

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03170272A (en) * 1990-08-09 1991-07-23 Sanwa Tekki Corp Heavy pipe standing jig
CN102251476A (en) * 2011-04-19 2011-11-23 中铁二十三局集团第三工程有限公司 Measurement control method for field installation of steel tube lattice pier
CN103114732A (en) * 2013-02-06 2013-05-22 陕西建工集团机械施工有限公司 Cast steel penetration pipe node space positioning method
CN104907377A (en) * 2015-06-26 2015-09-16 江苏新恒基特种装备股份有限公司 Spatial elbow turning angle guiding device with angle measurement
CN106363280A (en) * 2015-07-22 2017-02-01 中国二冶集团有限公司 Manufacturing method for tower frame base

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