CN100411803C - Method for manufacturing metal truss - Google Patents
Method for manufacturing metal truss Download PDFInfo
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- CN100411803C CN100411803C CNB200510102079XA CN200510102079A CN100411803C CN 100411803 C CN100411803 C CN 100411803C CN B200510102079X A CNB200510102079X A CN B200510102079XA CN 200510102079 A CN200510102079 A CN 200510102079A CN 100411803 C CN100411803 C CN 100411803C
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- metal truss
- truss
- pin
- positioner
- spot welding
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Abstract
The present invention discloses a preparation method for a metal truss. The present invention comprises the following steps that firstly, positioning sleeves (20) are arranged on main pipe members (11); positioning holes (21) are drilled on the positioning sleeves (20); supporting braces (12) among the main pipe members (11) are positioned on a main part positioning device (30) of a metal truss in a spot-welding mode; auxiliary lacing wires (13) are positioned on an auxiliary member spot-welding positioning device (40) in a spot-welding mode; the metal truss (10) is overturned on an all-welded positioning device (50); weld craters on the metal truss (10) are welded; the measurement of deformation amount is carried out to the metal truss (10); correction, secondary measurement and secondary correction are carried out on a metal truss correcting device (60) till technical requirements are achieved. All positioning, welding and correcting processes are totally completed on various positioning devices, the positioning is accurate; because the metal truss (10) is always in a constrained state, deformation can not be produced, the repeatability is good, and the efficiency is high.
Description
Technical field
The present invention relates to structural framing, particularly a kind of preparation method of metal truss.
Background technology
When making metal frame in the prior art, locate mode for each several part in the framework generally is to adopt artificial location, the mode of carrying out measurement update after with framework main part spot welding moulding guarantees that it reaches designing requirement, or adopts the mode of amplifying sample to position welding fabrication.This dual mode relatively is fit to small lot batch manufacture and framework relatively simple for structure is made, and for structure more complicated and large-scale framework or be used for the framework of significant points, this dual mode precision can't reach requirement at all, nor is fit to large batch of production requirement.
Summary of the invention the present invention adopts the method for finishing metal truss location, welding and proofreading and correct at a whole set of positioning equipment, solves in the prior art and produces easily distortion and inefficient technical problem in truss location inaccuracy, the welding process.
The scheme that the present invention solves the problems of the technologies described above is that the preparation method of this metal truss may further comprise the steps:
A. metal truss main frame location, spot welding typing;
B. with each auxiliary member successively tack welding on main frame;
C. each weld bond of each parts on the truss is finished welding job on request;
D. the truss that welds is proofreaied and correct; Also comprise step by step following in the described steps A:
A
1. at first in the main pipe fittings two-port that consists of the truss main frame positioning sleeve is installed, and spot welding is fixed;
A
2. bore locating hole at positioning sleeve, then the counterpart seam of full weld positioning sleeve and main pipe fittings;
A
3. adjust the position of location pin at metal truss main part positioner, the truss main pipe fittings that is welded with positioning sleeve is enclosed within on the location pin of positioner, with the locating hole on the positioning sleeve with penetrate alignment pin after the open-work of location on the pin aimed at, truss main pipe fittings location is fixed on the positioner, point welds the positioning molding of finishing the truss main frame after the support braces between the main pipe fittings, then the main frame of metal truss by unloading on the positioner;
Also comprise step by step following among the described step B:
B
1. the position in that the auxiliary member spot welding positioning device is adjusted the location pin, the truss main frame is contained on the auxiliary member spot welding positioning device, put on alignment pin;
B
2. the auxiliary lacing wire that needs are welded between the metal truss main pipe fittings is fixed on the auxiliary clamp of auxiliary member spot welding positioning device, and each auxiliary lacing wire is fixed in spot welding, and the metal truss of then spot welding being had good positioning is by unloading on the auxiliary member spot welding positioning device;
May further comprise the steps among the described step C:
C
1. at first be the position of adjusting the location pin at full weldering positioner, will finish B
2The metal truss of step is contained on the full weldering positioner, puts on alignment pin;
C
2. at full weldering positioner top upset metal truss, all weld bonds on the good metal truss of side weld between each framework, after all finishing with metal truss by unloading on the full weldering positioner;
May further comprise the steps among the described step D:
D
1. at first be to finishing C
2The metal truss of step carries out the measurement of deflection;
D
2. the position in that metal truss calibration device is adjusted the location pin, metal truss is contained on the metal truss calibration device, put on alignment pin;
D
3, the operation metal truss calibration device carries out reverse twist to metal truss and proofreaies and correct; Then, measure again deflection, proofread and correct again, until reach till the specification requirement.
Can find out that from above-mentioned manufacturing process all location, welding and trimming process are all finished on various positioners, so, accurate positioning, because in welding process, metal truss 10 is in restrained state all the time, so, can not produce distortion yet, and good reproducibility, the efficient height.
The present invention is owing to be the process of finishing metal truss on a whole set of positioner, so, the positioning accuracy height, product is indeformable, can also increase work efficiency greatly simultaneously.
Description of drawings
Fig. 1 is the flow chart of the manufacturing process of metal truss of the present invention.
Fig. 2 is an assembling schematic diagram of being responsible for part 11 and positioning sleeve 20 described in the present invention.
Fig. 3 be among the present invention metal truss 10 at the schematic diagram of main part positioner 30.
Fig. 4 is the schematic diagram of metal truss 10 on auxiliary member spot welding positioner 40 among the present invention.
Fig. 5 is the schematic diagram of metal truss 10 on full weldering positioner 50 among the present invention.
Fig. 6 is the schematic diagram of metal truss 10 on truss means for correcting 60 among the present invention.
Fig. 7 is the schematic diagram that correcting plate 61 and dial gauge 63 are set.
The specific embodiment
Describe various embodiment of the present invention in detail in conjunction with above-mentioned accompanying drawing.
By finding out among Fig. 1 to Fig. 6, the preparation method of this metal truss may further comprise the steps:
A. metal truss 10 main frames location, spot welding typing;
B. with each auxiliary member successively tack welding on main frame;
C. each weld bond of each parts on the truss is finished welding job on request;
D. the truss that welds is proofreaied and correct; Also comprise following (see figure 2) step by step in the described steps A:
A
1. at first in main pipe fittings 11 two-port that consist of the truss main frame positioning sleeve 20 is installed, and spot welding is fixed;
A
2. bore locating hole 21 at positioning sleeve 20, then the counterpart seam of full weld positioning sleeve 20 and main pipe fittings 11;
A
3. adjust the position of location pin 31 at metal truss main part positioner 30, the truss main pipe fittings 11 that is welded with positioning sleeve 20 is enclosed within on the location pin 31 of positioner 30, with the locating hole 21 on the positioning sleeve 20 with penetrate alignment pin 22 after the open-work of location on the pin 31 aimed at, truss main pipe fittings 11 location are fixed on the positioner 30, point welds the positioning molding of finishing the truss main frame after the support braces 12 between the main pipe fittings 11, then the main frame of metal truss by unloading (seeing Fig. 1 and Fig. 3) on the positioner 30;
Also comprise among the described step B and followingly (see Fig. 1 and Fig. 4) step by step:
B
1. the position in that auxiliary member spot welding positioning device 40 is adjusted the location pin, the truss main frame is contained on the auxiliary member spot welding positioning device 40, put on alignment pin 22;
B
2. the auxiliary lacing wire 13 that needs are welded between metal truss 10 main pipe fittingss 11 is fixed on the auxiliary clamp 41 of auxiliary member spot welding positioning device 40, each auxiliary lacing wire 13 is fixed in spot welding, and the metal truss 10 of then spot welding being had good positioning is by unloading on the auxiliary member spot welding positioning device 40; May further comprise the steps (seeing Fig. 1 and Fig. 5) among the described step C:
C
1. at first be the position of adjusting the location pin at full weldering positioner 50, will finish B
2The metal truss 10 of step is contained on the full weldering positioner 50, puts on alignment pin 22;
C
2. at full weldering positioner 50 tops upset metal truss 10, all weld bonds on the good metal truss 10 of side weld between each framework, after all finishing with metal truss 10 by unloading on the full weldering positioner 50;
May further comprise the steps (seeing Fig. 1 and Fig. 6) among the described step D:
D
1. at first be to finishing C
2The metal truss 10 of step carries out the measurement of deflection;
D
2. the position in that metal truss calibration device 60 is adjusted the location pin, metal truss 10 is contained on the metal truss calibration device 50, put on alignment pin 22;
D
3, 60 pairs of metal truss of operation metal truss calibration device 10 carry out reverse twist and proofread and correct; Then, measure again deflection, proofread and correct again, until reach till the specification requirement.
Can find out that from above-mentioned manufacturing process all location, welding and trimming process are all finished on various positioners, so, accurate positioning, because in welding process, metal truss 10 is in restrained state all the time, so, can not produce distortion yet, and good reproducibility, the efficient height.
All can install smoothly on each positioner in order to guarantee metal truss 10, and the location is consistent, and described metal truss main part positioner 30, auxiliary member spot welding positioner 40, the open-work that welds location pin on positioner 50 and the metal truss means for correcting 60 entirely are the hole of same shape, same specification.
By finding out among Fig. 2, the open-work of described location pin is bellmouth, and the center line of the center line of this taper open-work and location, place pin intersects described steps A
2In, the locating hole 21 that bores at positioning sleeve 20 is bellmouths suitable with the open-work of each location pin.
By finding out step B among Fig. 1 and Fig. 4
2Described in the spot welding process of fixing each auxiliary lacing wire 13 be, one group of auxiliary lacing wire 13 that will be positioned at 10 1 sides of metal truss earlier is fixed on the auxiliary clamp 41 together, carry out the spot welding location of the auxiliary lacing wire 13 in the single side of truss, after finishing the indirect welding location, the distance of metal truss 10 with spot welding positioner 40 workbenches zoomed out, abdicate space for metal truss 10 upsets, upset metal truss 10, the side in alignment that the next one need be welded auxiliary lacing wire 13 is fixed on the other one group of auxiliary lacing wire 13 on the auxiliary clamp 41 once more, then the distance of metal truss 10 with spot welding positioner 40 workbenches furthered to the welding position, carry out the welding of another one side, carry out so repeatedly, until the 13 equal spot welding of the auxiliary lacing wire on each side on the metal truss 10 are located.Spot welding positioner 40 is designed to turnover, not only helps alleviating working strength and raising the efficiency, and the alignment error of having avoided repeated removal to bring, positioning accuracy improved.
By finding out among Fig. 1, the end that penetrates of described alignment pin 22 is provided with a cotter-pin hold 23, described steps A
3, B
1, C
1And D
2In penetrate alignment pin 22 after, again split pin 24 is penetrated in the cotter-pin hold 23 on the alignment pin 22, and split pin 24 fixed locating studs 22 of riving, can prevent that alignment pin 22 from scurrying out.
By finding out described step D among Fig. 6 and Fig. 7
1Implement on metal truss means for correcting 60, described metal truss means for correcting 60 workbenches are provided with two block correction plates 61, and the upper surface of this two block corrections plate 61 is on the same horizontal plane, will finish C
2The metal truss 10 of step is placed on this two block corrections plate 61, carries out the measurement of deflection according to the unsettled amount at certain angle of metal truss.Also having a kind of mode is that described metal truss means for correcting 60 workbenches are provided with four dial gauges 63, will finish C
2The metal truss 10 of step is placed on the workbench that these four dial gauges 63 are housed, and according to the different readouts of these four dial gauges 63, calculates the deflection of metal truss 10.This mode can reduce labour intensity, raises the efficiency.
Claims (8)
1. the preparation method of a metal truss may further comprise the steps:
A. metal truss (10) main frame location, spot welding typing;
B. with each auxiliary member successively tack welding on main frame;
C. each weld bond of each parts on the truss is finished welding job on request;
D. the truss that welds is proofreaied and correct;
It is characterized in that: also comprise step by step following in the described steps A:
A
1. at first in main pipe fittings (11) two-port that consists of the truss main frame positioning sleeve (20) is installed, and spot welding is fixed;
A
2. bore locating hole (21) at positioning sleeve (20), then the counterpart seam of full weld positioning sleeve (20) and main pipe fittings (11);
A
3. adjust the position of location pin (31) at metal truss main part positioner (30), the truss main pipe fittings (11) that will be welded with positioning sleeve (20) is enclosed within on the location pin (31) of positioner (30), with the locating hole (21) on the positioning sleeve (20) with penetrate alignment pin (22) after the open-work on location pin (31) is aimed at, truss main pipe fittings (11) location is fixed on the positioner (30), point welds the positioning molding of finishing the truss main frame after the support braces (12) between the main pipe fittings (11), then the main frame of metal truss by unloading on the positioner (30);
Also comprise step by step following among the described step B:
B
1. the position in that auxiliary member spot welding positioning device (40) is adjusted the location pin, the truss main frame is contained on the auxiliary member spot welding positioning device (40), put on alignment pin (22);
B
2. the auxiliary lacing wire (13) that needs are welded between metal truss (10) main pipe fittings (11) is fixed on the auxiliary clamp (41) of auxiliary member spot welding positioning device (40), each auxiliary lacing wire (13) is fixed in spot welding, and the metal truss of then spot welding being had good positioning (10) is by unloading on the auxiliary member spot welding positioning device (40);
May further comprise the steps among the described step C:
C
1. at first be the position of adjusting the location pin at full weldering positioner (50), will finish B
2The metal truss of step (10) is contained on the full weldering positioner (50), puts on alignment pin (22);
C
2. at full weldering positioner (50) top upset metal truss (10), all weld bonds between upper each framework of the good metal truss of side weld (10), after all finishing with metal truss (10) by unloading on the full weldering positioner (50);
May further comprise the steps among the described step D:
D
1. at first be to finishing C
2The metal truss of step (10) carries out the measurement of deflection;
D
2. the position in that metal truss calibration device (60) is adjusted the location pin, metal truss (10) is contained on the metal truss calibration device (60), put on alignment pin (22);
D
3, operation metal truss calibration device (60) carries out reverse twist to metal truss (10) and proofreaies and correct; Then, measure again deflection, proofread and correct again, until reach till the specification requirement.
2. according to the preparation method of the described metal truss of claim 1, it is characterized in that: described metal truss main part positioner (30), auxiliary member spot welding positioner (40), weld positioner (50) and metal truss means for correcting (60) entirely and go up the hole that the open-work of location pin is same shape, same specification.
3. according to the preparation method of the described metal truss of claim 2, it is characterized in that: the open-work of described location pin is a bellmouth, and the center line of the center line of this taper open-work and location, place pin intersects.
4. according to the preparation method of the described metal truss of claim 3, it is characterized in that: described steps A
2In, go up the locating hole (21) that bores at positioning sleeve (20) is the suitable bellmouth of open-work of locating pin with each.
5. according to the preparation method of the described metal truss of claim 1, it is characterized in that: step B
2Described in the spot welding process of fixing each auxiliary lacing wire (13) be, one group of auxiliary lacing wire (13) that will be positioned at (10) sides of metal truss earlier is fixed on the auxiliary clamp (41) together, carry out the spot welding location of the auxiliary lacing wire (13) in the single side of truss, after finishing the indirect welding location, the distance of metal truss (10) with spot welding positioner (40) workbench zoomed out, abdicate space for metal truss (10) upset, upset metal truss (10), the side in alignment that the next one need be welded auxiliary lacing wire (13) is fixed on the other one group of auxiliary lacing wire (13) on the auxiliary clamp (41) once more, then the distance of metal truss (10) with spot welding positioner (40) workbench furthered to the welding position, carry out the welding of another one side, carry out so repeatedly, until the equal spot welding of the auxiliary lacing wire (13) on each side on the metal truss (10) is located.
6. according to the preparation method of the described metal truss of claim 1, it is characterized in that: the end that penetrates of described alignment pin (22) is provided with a cotter-pin hold (23), described steps A
3, B
1, C
1And D
2In penetrate alignment pin (22) after, again split pin (24) is penetrated in the cotter-pin hold (23) on the alignment pin (22), and the split pin of riving (24) fixed locating stud (22).
7. according to the preparation method of the described metal truss of claim 1, it is characterized in that: described step D
1Go up enforcement at metal truss means for correcting (60), described metal truss means for correcting (60) workbench is provided with two block correction plates (61), and the upper surface of this two block corrections plate (61) is on the same horizontal plane, will finish C
2The metal truss of step (10) is placed on this two block corrections plate (61), carries out the measurement of deflection according to the unsettled amount at certain angle of metal truss.
8. according to the preparation method of the described metal truss of claim 1, it is characterized in that: described step D
1Go up enforcement at metal truss means for correcting (60), described metal truss means for correcting (60) workbench is provided with four dial gauges (63), will finish C
2The metal truss of step (10) is placed on the workbench that these four dial gauges (63) are housed, and according to the different readouts of these four dial gauges (63), calculates the deflection of metal truss (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510102079XA CN100411803C (en) | 2005-12-01 | 2005-12-01 | Method for manufacturing metal truss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510102079XA CN100411803C (en) | 2005-12-01 | 2005-12-01 | Method for manufacturing metal truss |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1840280A CN1840280A (en) | 2006-10-04 |
| CN100411803C true CN100411803C (en) | 2008-08-20 |
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ID=37029566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200510102079XA Expired - Fee Related CN100411803C (en) | 2005-12-01 | 2005-12-01 | Method for manufacturing metal truss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100411803C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101502924B (en) * | 2009-03-17 | 2012-03-07 | 山东丰汇设备技术有限公司 | Fixture for assembling and welding universal crane arm standard knot |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101434013B (en) * | 2008-12-09 | 2011-08-10 | 彩虹集团电子股份有限公司 | Method for welding 'H'-shaped metal strip material |
| CN102049647A (en) * | 2010-12-30 | 2011-05-11 | 浙江工业职业技术学院 | Welding fixture for girder of truss |
| CN102220811B (en) * | 2011-04-18 | 2012-09-05 | 武船重型工程股份有限公司 | Truss arching-erecting splicing method of extra-large-pan steel pipe |
| WO2015043530A1 (en) * | 2013-09-30 | 2015-04-02 | 昆山生态屋建筑技术有限公司 | Precise positioning process and apparatus for spiral hoop in spot welding truss |
| CN103495827B (en) * | 2013-09-30 | 2015-09-23 | 昆山生态屋建筑技术有限公司 | The accurate positioning process of spot welding truss tie hoop |
| CN105414790B (en) * | 2015-12-22 | 2017-10-03 | 常州齐丰机械电子有限公司 | Thin bottom plate steel construction piece welding procedure |
| CN106238936A (en) * | 2016-08-29 | 2016-12-21 | 安徽饰界广告有限公司 | A kind of welding method of square tube truss |
| CN111203664B (en) * | 2020-01-17 | 2021-05-28 | 湖南中兴设备安装工程有限责任公司 | Manufacturing method of steel structure pipe truss |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2111552A (en) * | 1981-12-09 | 1983-07-06 | Gkn South Africa | Lattice and structural panel |
| GB2150065A (en) * | 1983-11-29 | 1985-06-26 | Shimizu Construction Co Ltd | An apparatus for manufacturing a trussed steel girder |
| CA1262617A (en) * | 1986-09-18 | 1989-11-07 | Franciszek Warczak | Apparatus and method for fabricating plate web girders |
| CN2159351Y (en) * | 1993-05-31 | 1994-03-23 | 巫永元 | Joint connecting structure of bicycle frame |
| DE19732599A1 (en) * | 1996-08-01 | 1998-02-05 | Franz Filzmoser | Stringing lattice girders together |
| EP1375051A2 (en) * | 1999-05-28 | 2004-01-02 | Hitachi, Ltd. | A structural body for use in friction stir joining method |
-
2005
- 2005-12-01 CN CNB200510102079XA patent/CN100411803C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2111552A (en) * | 1981-12-09 | 1983-07-06 | Gkn South Africa | Lattice and structural panel |
| GB2150065A (en) * | 1983-11-29 | 1985-06-26 | Shimizu Construction Co Ltd | An apparatus for manufacturing a trussed steel girder |
| CA1262617A (en) * | 1986-09-18 | 1989-11-07 | Franciszek Warczak | Apparatus and method for fabricating plate web girders |
| CN2159351Y (en) * | 1993-05-31 | 1994-03-23 | 巫永元 | Joint connecting structure of bicycle frame |
| DE19732599A1 (en) * | 1996-08-01 | 1998-02-05 | Franz Filzmoser | Stringing lattice girders together |
| EP1375051A2 (en) * | 1999-05-28 | 2004-01-02 | Hitachi, Ltd. | A structural body for use in friction stir joining method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101502924B (en) * | 2009-03-17 | 2012-03-07 | 山东丰汇设备技术有限公司 | Fixture for assembling and welding universal crane arm standard knot |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1840280A (en) | 2006-10-04 |
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