CN202174385U - Flexible device adaptable to assembling and welding of planar frame type metal structures - Google Patents
Flexible device adaptable to assembling and welding of planar frame type metal structures Download PDFInfo
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- CN202174385U CN202174385U CN2011202854785U CN201120285478U CN202174385U CN 202174385 U CN202174385 U CN 202174385U CN 2011202854785 U CN2011202854785 U CN 2011202854785U CN 201120285478 U CN201120285478 U CN 201120285478U CN 202174385 U CN202174385 U CN 202174385U
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Abstract
The utility model discloses a flexible device adaptable to assembling and welding of planar frame type metal structures, which belongs to the field of universal assembling and welding devices for planar frame type metal structures, and aims to realize universality of assembling and welding molding beds and reduce manufacturing cost of welding toolings and maintenance cost. The flexible device comprises at least two main longitudinal beams and at least two crossbeams, the main longitudinal beams are connected with the crossbeams by detachable connectors, positioning blocks are mounted on the crossbeams, a frame consisting of the crossbeams and the longitudinal beams is mounted on a support beam by detachable connectors, a plurality of quick clamping supports are mounted on the main longitudinal beams or/and the crossbeams, and a quick clamp is mounted on each quick clamping support. The flexible device can solve the problem that welding molding beds which are not greatly different from each other in terms of shapes and sizes and belong to the same series of metal structure parts are not universal when the quantities of beams forming planar frames of the welding molding beds are different and the positions of the beams of the welding molding beds are also different. Accordingly, by the aid of the flexible device, production cost and maintenance cost are lowered.
Description
Technical field
The utility model relates to a kind of assembly welding fexible unit field of plane framework formula metal structure, is specially a kind of flexible apparatus of the adaptation plane framework formula metal structure assembly welding of being made up of crossbeam and longeron.
Background technology
The cap structure form of domestic various large power alternating-current electric power locomotive engine is similar basically at present; As shown in Figure 1; Mainly form framework by main longitudinal grider 1, crossbeam 8, stringer 17 etc.; The thin shell type metal structure of weld covering on the framework, various device being installed, the crossbeam of different model top cover and stringer spacing dimension and quantity, institute's erection unit change to some extent.
Present various roof frame assembly welding is a kind of pattern of vehicle one cover skeleton loose tool, wherein every cover skeleton welding fetal membrane manufacturing expense about 200,000.
Continuous expansion along with the market business; The interchange car type class of producing increases gradually; Similar tower structure welding still needs overlapping investment frock making expense, and therefore, the manufacturing expense of skeleton assembly welding loose tool is high; And need a large amount of places to deposit and protect not with skeleton assembly welding loose tool the maintenance cost increase.
The utility model content
In order to increase the assembly welding loose tool versatility of the tower structure that has each model high-power AC transmission power car top cover pattern now; Reduce the frock making expense and the maintenance cost of similar tower structure welding; The utility model aims to provide a kind of flexible apparatus that adapts to plane framework formula metal structure assembly welding; This flexible apparatus can solve profile and size is more or less the same, and (version is similar basically; Only beam body location dimension, beam body quantity are had any different), but it forms the welding fetal membrane versatility problem of the different same series metal structural member in quantity, the position of plane framework beam body, reduces production costs and maintenance cost.
To achieve these goals; The technical scheme that the utility model adopted is: the flexible apparatus of said adaptation plane framework formula metal structure assembly welding; Comprise at least two main longitudinal griders and at least two crossbeams, said main longitudinal grider is connected through removable connector with crossbeam; A plurality of locating pieces are housed on the said crossbeam, and the framework that said crossbeam and main longitudinal grider are formed is contained on the many brace summers through removable connector; Said main longitudinal grider is or/and be equipped with a plurality of quick folders and support on the crossbeam, each fast folder on supporting a quick folder that is used for clamping assembly welding Vierendeel girder body is housed.
In order to increase the stability of framework, be connected with many stringers between the said crossbeam.
Said removable connector is powerful corner fittings, through powerful corner fittings, can as required crossbeam and longeron be installed together in place.
Said quick folder is installed in quick folder through flange nut and tommyhead bolt and supports; The locating piece mount pad is housed on the said crossbeam; On this locating piece mount pad the stationary positioned piece is housed; Said assembly welding Vierendeel girder body places between stationary positioned piece and the said quick folder, but this assembly welding Vierendeel girder body one side is provided with the activity orientation piece that the relative fixed locating piece moves.
Have mobile cotter way on the said stationary positioned piece, on the said activity orientation piece moving pin is housed, an end of this moving pin is contained in the said mobile cotter way.
Between said crossbeam and the locating piece mount pad, between crossbeam and quick folder support, between main longitudinal grider and the quick folder support, between crossbeam and the powerful corner fittings, between main longitudinal grider and the powerful corner fittings, the stainless steel backing plate is housed all.Further, the thickness of said stainless steel backing plate is not less than 1mm, and this stainless steel backing plate also is used for the adjustment of locating module height uniformity.Said flange nut and tommyhead bolt are processed by stainless steel.Therefore electrochemical corrosion is greatly diminished between section bar and each module of carbon steel, but extension fixture service life.
Distance between said adjacent two brace summers is less than 2m; Be generally 1m～1.5m, be used to increase the device rigidity, above-mentioned each brace summer has one and has the feet that screw thread pair is heightened (containing locking); The feet lower end is provided with the hoof pin; Guarantee each beam body following (all carrying 500 kilograms) in working order, following amount of deflection is less than 0.3 millimeter/meter, and framework weldering flatness is better.
Connection between each parts of the utility model all adopts screw thread (flange nut and tommyhead bolt) to be connected, and crossbeam can carry out displacement as required on main longitudinal grider thus.The support of the various location that are used for assembly welding Vierendeel girder body, weld seam, folder all can carry out displacement on main longitudinal grider, crossbeam fast.
Said main longitudinal grider two ends are provided with the crossbeam positioning reference, are used for the crossbeam Fast Installation, the location.
The activity orientation piece that is used for assembly welding Vierendeel girder body location can be given up the throne in the demoulding backward, and the locating piece of packaged type locating module moves after in institute's assembly welding structure makes progress knockout course, realizing among a small circle, realizes the quick demoulding.The copper pad structure is adopted in assembly welding Vierendeel girder body docking site, and assembly welding Vierendeel girder body all uses quick folder to clamp.
By said structure, the utility model uses the band T-slot aluminium alloy extrusions and the fitting that is associated to be made up of two main longitudinal griders, and many crossbeams constitute agent structure.The main longitudinal grider of this device, crossbeam and stringer all use aluminium section bar as main material, light, easy artificial adjustment agent structure.Longeron is connected through powerful corner fittings with crossbeam, and crossbeam quantity is confirmed according to the shape of institute's assembly welding hardware.Has crossbeam starting positioning reference on this device main longitudinal grider.T type nut, screw rod, pressing plate form are all used in connecting between each beam body, between correlation module and the beam body.The main longitudinal grider two ends are provided with the assembling positioning reference, are used to guarantee that crossbeam, main longitudinal grider locate fast and accurately, install.Can the support of variable bit beam body, packaged type locating module, welded seam area supporting module, quick compression module etc. be installed according to institute's assembly welding structure on the crossbeam of this device, the longeron.
Packaged type locating module, welded seam area supporting module, quick compression module are installed on crossbeam and the main longitudinal grider, are realized the generalization of different structure size metal framework structure welding location, hold down gag.
The body element material of each packaged type locating module, welded seam area supporting module, quick compression module is a carbon steel in this device.Between section bar and module, increase 1mm stainless steel backing plate when it is installed on the aluminium section bar, use stainless steel screw rod, nut, reduce aluminium and each module electrochemical corrosion.This device welded seam area supporting module has the weld seam that copper pad supports institute's welding structure.This installs quick compression module and selects for use the quick folder of the standard with auto-lock function that institute's welding structure is compressed.
The main longitudinal grider of this device, crossbeam size can specifically be confirmed according to institute's assembly welding metal structure, but should notice that main longitudinal grider, crossbeam whenever increase an adjustment height feet at a distance from about 1.5 meters, be used to increase the device rigidity.
In this device in the locating module in the knockout course of locating piece behind the assembly welding framework with the product servo-actuated and give up the throne, realize quick, the convenient demoulding.
This device can satisfy the requirements of making of 2 millimeters/square metre of the location dimension tolerance range 1mm of assembly welding Vierendeel girder body, flatness that each beam body is formed the plane.
Compared with prior art, the beneficial effect of the utility model is:
1) the utility model adopts the high-strength aluminium magnesium alloy, and structural strength is big, and construction weight is little, and the working strength of remodeling by hand is little.
2) adopt corresponding section bar connector to connect between each beam body of the utility model, the displacement of beam body only needs the connector bolt unscrewed and gets final product.Device is installed firmly, cost of manufacture is low.
3) the two main longitudinal grider two ends of the utility model are provided with the crossbeam positioning reference, and the crossbeam of device is quick for installation on longeron, accurate.
4) feet with the function heightened is set in this utility model between each beam body, the amount of deflection after each beam body is installed is less than 0.3 millimeter/meter, and framework weldering flatness is better.
5) can give up the throne backward in the knockout course of the activity orientation piece of each the beam body positioner on the utility model after the welding of top cover framework is accomplished, being convenient in demoulding after the welding of top cover framework, whole knockout course does not have influence basically to installing.
The various modules of 6) installing on the utility model upper beam body all use the stainless steel backing plate to carry out aluminium and module (carbon steel) is isolated.Have each locating module and heighten function, and reduce electrochemical corrosion between aluminium and the carbon steel module, extension fixture service life.
7) the utility model is equipped with to press from both sides fast institute's assembly welding framework is clamped, and reduces institute's assembly welding framework welding deformation.
Below in conjunction with accompanying drawing and embodiment the utility model is done further to set forth.
Description of drawings
Fig. 1 is the cap structure form sketch map of existing power locomotive;
Fig. 2 is the structure principle chart of a kind of embodiment of the utility model;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the A-A cutaway view of Fig. 3;
Fig. 5 is the B-B cutaway view of Fig. 3;
Fig. 6 is the F place partial enlarged drawing of Fig. 2;
Fig. 7 is the structural representation of the said powerful corner fittings of the utility model;
Fig. 8 is the structural representation of the utility model said T type bolt and flange nut.
In the drawings
The 1-longeron; 2-hoof pin; 3-end face connecting plate; The 4-brace summer;
5,11, the powerful corner fittings of 14-; 6-presss from both sides support fast; 7,9,15-stainless steel backing plate;
The 8-crossbeam; The 10-locating piece; 12-T type bolt; The 13-flange nut;
The 16-copper pad; The 17-stringer; The special-purpose cheese head screw of 18-; 19-presss from both sides fast;
23-locating piece moving pin; The 24-locating piece moves cotter way; 25-activity orientation piece;
26-stationary positioned piece; 27-assembly welding Vierendeel girder body; 28-locating piece mount pad;
The distance that L-activity orientation piece 25 moves upward in the top cover knockout course;
D-activity orientation piece 25 size of giving up the throne backward; The X-stripping direction;
The direction of giving up the throne of Y-activity orientation piece 25.
The specific embodiment
A kind of flexible apparatus that adapts to plane framework formula metal structure assembly welding; Shown in Fig. 2 and 3; Comprise two main longitudinal griders 1 and two crossbeams 8 of processing by the high-strength aluminium section bar; Its middle cross beam 8 is chosen similar OYU-8-80120 form cross section, and main longitudinal grider 1 is chosen similar OYU-8-100100 form cross section, and the length of two main longitudinal griders 1 is confirmed according to institute's assembly welding steel structure frame length; Main longitudinal grider 1 is installed many crossbeams 8 through powerful corner fittings 5, T shape screw rod 12 and nut 13, satisfies the crossbeam 8 and main longitudinal grider 1 location needs of the roof frame of different automobile types.Locate fast for realization crossbeam 8, on two main longitudinal griders 1, positioning reference is set.
In order to increase the stability of framework, as shown in Figure 4, be connected with many stringers 17 between the said crossbeam 8.A plurality of quick folders all are housed on said main longitudinal grider 1 or the crossbeam 8 support 6; Also can on main longitudinal grider 1 or crossbeam 8, installing fast simultaneously, folder supports 6; Each connects a quick folder 19 that is used for clamping assembly welding Vierendeel girder body 27 through bolt in the folder support 6 fast; Fast folder 19 and folder fast support 6 and can move to suitable position as required and install, and are used for clamping assembly welding Vierendeel girder body 27.
As shown in Figure 6, between said crossbeam 8 and the locating piece mount pad 28, crossbeam 8 and quick folder support between 6, between main longitudinal grider 1 and the quick folder support 6, between crossbeam 8 and the powerful corner fittings 5, between main longitudinal grider 1 and the powerful corner fittings 5, stainless steel backing plate 15 are housed all.The structural representation of said powerful corner fittings 5 is as shown in Figure 7.
This device is installed activity orientation piece mount pad 28 as required on loose tool crossbeam 8 and main longitudinal grider 1; The location that is used for assembly welding Vierendeel girder body 27; All assembly welding Vierendeel girder bodies 27 all are provided with 2 anchor points in this device, and each anchor point is made up of 1 movable locating module.
The said powerful corner fittings form of the utility model is as shown in Figure 7, and the T shape screw rod 12 of said special use and the form of nut 13 are as shown in Figure 8, and the utility model device overall structure form as shown in Figures 2 and 3.
Using the T-slot on the aluminium section bar in the device is the basis that installation between the beam body, each functional module are installed.Installation in the device between all beam bodies through special-purpose connector and nut carry out, installation between each functional module and the beam body all cooperates through suitable installing hole is set on the functional module that T-slot and specialized nut carry out on the aluminium section bar.
Aluminium section bar section form and the moment of inertia influence device self rigidity, though excessive cross section can provide higher rigidity, himself also can be heavier, is unfavorable for artificial shift operation.Can improve the device integral rigidity through increasing the beam body strong point; Spacing in this device between adjacent two strong points of selected aluminium section bar generally is controlled at about 1500mm; Can make selected model aluminium section bar beam body amount of deflection of (deadweight adds about 300 kilograms of top cover frame weight) under operating mode satisfy the technological requirement of top cover framework welding flatness less than 1mm less than 0.3mm.
For guaranteeing top cover framework and cover plate when welding flatness, need when assembly welding Vierendeel girder body assembly welding, control the uniformity of each assembly welding Vierendeel girder body and cover plate solder side.The uniformity of the assembly welding Vierendeel girder height degree that in simple terms, need on this device, guarantee exactly to be located.This device is made tolerance and the amount of deflection of beam body own and is made error to location influence such as height such as roof rail body grade for eliminating each functional module; Take between beam body and each functional module, to increase and decrease thin stainless steel backing plate 15 modes and position adjustment such as piece 10 height such as grade, it is as shown in Figure 5 that stainless steel backing plate 15 is formed structural representations.
In this device, for realizing that accurately being positioned at each beam body all arranges two above locating pieces 10.
This device is many for solving locating piece 10 quantity, and the structure welding back demoulding is the problem of difficulty, with locating piece 10 structural designs as shown in Figure 5; Make activity orientation piece 25 in the top cover knockout course; The distance L that moves upward, L is generally 20 millimeters, can be along the dimension D of giving up the throne backward of 8 ° of gradients among Fig. 5; D is generally 2.9 millimeter, makes institute's assembly welding Vierendeel girder body 27 easily demouldings.
Be out of shape for reducing in the roof frame welding process, the quick folder of the standard that is provided with in this device is used for each assembly welding Vierendeel girder body 27 and compresses.
For eliminate roof frame in welding when stress and the demoulding of welding back to the influence of crossbeam 8 spacings of this device, adopt connecting plate to carry out spacing on 8 on each crossbeam and fix, each crossbeam 8 connecting plate installation site is confirmed according to the top cover concrete form.
The utility model is when work, as shown in Figures 2 and 3.Cruciform bracing 8, longeron quantity, location dimension according to required assembly welding are installed this device.
When work, situation reaches quick folder 19 impaction states shown in accompanying drawing 5 to assembly welding Vierendeel girder body 27 in the location of activity orientation piece 25.
When assembly welding Vierendeel girder body 27 is accomplished the demoulding of welding back,, exercise again with suspender assembly welding Vierendeel girder body 27 is hung out from this device all folders 19 fast that come loose earlier.
Possible replacement scheme:
(1) girder construction in this device and material also can use other metal material processing to go out corresponding T type groove.But the relative aluminium section bar of its manufacturing cost is higher.
(2) the activity orientation modular form in this device can directly use stationary positioned.But the height of the suitable assembly welding Vierendeel girder body of replacement scheme is relatively littler.Applicable assembly welding Vierendeel girder body section is 100mm * 100mm and above angle steel in this programme.
(3) installation between installation, beam body and the module between the various beam bodies of this device also can be used alternate manners such as hydraulic pressure, blast.But relative cost can increase.
The content that the foregoing description is illustrated is to be understood that to these embodiment and only is used to be illustrated more clearly in the utility model; And be not used in the restriction the utility model scope; After having read the utility model, those skilled in the art all fall within the application's accompanying claims institute restricted portion to the modification of the various equivalent form of values of the utility model.
Claims (10)
1. a flexible apparatus that adapts to plane framework formula metal structure assembly welding comprises at least two main longitudinal griders (1) and at least two crossbeams (8), and said main longitudinal grider (1) is connected through removable connector with crossbeam (8); A plurality of locating pieces (10) are housed on the said crossbeam (8), and the framework that said crossbeam (8) and main longitudinal grider (1) are formed is contained on the many brace summers (4) through removable connector; Said main longitudinal grider (1) supports (6) or/and a plurality of quick folders are housed on the crossbeam (8), and each is equipped with a quick folder (19) that is used for clamping assembly welding Vierendeel girder body (27) in the folder support (6) fast.
2. the flexible apparatus of adaptation plane framework formula metal structure assembly welding according to claim 1 is characterized in that, is connected with many stringers (17) between the said crossbeam (8).
3. the flexible apparatus of adaptation plane framework formula metal structure assembly welding according to claim 1 is characterized in that, said removable connector is powerful corner fittings (5,11,14).
4. the flexible apparatus of adaptation plane framework formula metal structure assembly welding according to claim 1; It is characterized in that; Said quick folder (19) is installed in quick folder through flange nut (13) and tommyhead bolt (12) and supports on (6); Locating piece mount pad (28) is housed on the said crossbeam (8); On this locating piece mount pad (28) stationary positioned piece (26) is housed, said assembly welding Vierendeel girder body (27) places between stationary positioned piece (26) and the said quick folder (19), this assembly welding Vierendeel girder body (27) but a side is provided with the activity orientation piece (25) that relative fixed locating piece (26) moves.
5. the flexible apparatus of adaptation plane framework formula metal structure assembly welding according to claim 4; It is characterized in that; Have mobile cotter way (24) on the said stationary positioned piece (26); Moving pin (24) is housed on the said activity orientation piece (25), and an end of this moving pin (24) is contained in the said mobile cotter way (24).
6. the flexible apparatus of adaptation plane framework formula metal structure assembly welding according to claim 4 is characterized in that said flange nut (13) and tommyhead bolt (12) are processed by stainless steel.
7. the flexible apparatus of adaptation plane framework formula metal structure assembly welding according to claim 1 is characterized in that the distance between said adjacent two brace summers (4) is less than 2m.
8. according to the flexible apparatus of the described adaptation plane framework of one of claim 1～7 formula metal structure assembly welding; It is characterized in that between said crossbeam (8) and the locating piece mount pad (28), crossbeam (8) and quick folder support between (6); Main longitudinal grider (1) and quick folder support between (6); Between crossbeam (8) and the powerful corner fittings (5), between main longitudinal grider (1) and the powerful corner fittings (5), stainless steel backing plate (15) is housed all.
9. the flexible apparatus of adaptation plane framework formula metal structure assembly welding according to claim 8 is characterized in that the thickness of said stainless steel backing plate (15) is not less than 1mm.
10. according to the flexible apparatus of the described adaptation plane framework of one of claim 1～7 formula metal structure assembly welding, it is characterized in that said brace summer (4) has the feet (18) that screw thread pair is heightened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202854785U CN202174385U (en) | 2011-08-08 | 2011-08-08 | Flexible device adaptable to assembling and welding of planar frame type metal structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202854785U CN202174385U (en) | 2011-08-08 | 2011-08-08 | Flexible device adaptable to assembling and welding of planar frame type metal structures |
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| CN202174385U true CN202174385U (en) | 2012-03-28 |
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| CN2011202854785U Expired - Lifetime CN202174385U (en) | 2011-08-08 | 2011-08-08 | Flexible device adaptable to assembling and welding of planar frame type metal structures |
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| CN102814612A (en) * | 2012-09-13 | 2012-12-12 | 山推工程机械股份有限公司 | Fixture for positioned welding of bulldozer blade |
| CN103240556A (en) * | 2013-05-10 | 2013-08-14 | 上汽通用五菱汽车股份有限公司 | Welding fixture for formula racing |
| CN103894771A (en) * | 2012-12-28 | 2014-07-02 | 上海申龙客车有限公司 | General welding jig applied to manufacturing fully-integral chassis |
| CN104043936A (en) * | 2014-07-01 | 2014-09-17 | 中国农业大学 | Flexible robot welding tool for chassis frame of maize harvesting machine |
| CN104097004A (en) * | 2013-04-15 | 2014-10-15 | 广西银河迪康电气有限公司 | Welding positioning assembly bearing bracket for annular net cabinet five-surface box |
| CN104139268A (en) * | 2013-12-20 | 2014-11-12 | 中国重汽集团柳州运力专用汽车有限公司 | Butt welding tooling for frame |
| CN104191127A (en) * | 2014-08-22 | 2014-12-10 | 南车戚墅堰机车有限公司 | Locomotive roof framework assembly station |
| CN104400283A (en) * | 2014-09-25 | 2015-03-11 | 北京航星机器制造有限公司 | Welding device for titanium alloy skin structural member for framework |
| CN105880906A (en) * | 2016-05-23 | 2016-08-24 | 陈思宇 | Semi-fixed floor support plate framework welding workbench |
| CN105880907A (en) * | 2016-05-23 | 2016-08-24 | 陈思宇 | Automatic adjustment floor support plate framework welding workbench |
| CN107217785A (en) * | 2017-06-26 | 2017-09-29 | 蓝海永乐（江苏）新材料有限公司 | A kind of safety-type secondary beam being easily installed |
| CN109048173A (en) * | 2018-10-12 | 2018-12-21 | 上海嘉堃实业有限公司 | A kind of flexible welding positioning device for thin plate components |
| CN112318031A (en) * | 2020-10-26 | 2021-02-05 | 天津中车唐车轨道车辆有限公司 | Platform type flexible welding fixture |
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| CN102814612A (en) * | 2012-09-13 | 2012-12-12 | 山推工程机械股份有限公司 | Fixture for positioned welding of bulldozer blade |
| CN102814612B (en) * | 2012-09-13 | 2014-11-05 | 山推工程机械股份有限公司 | Fixture for positioned welding of bulldozer blade |
| CN103894771A (en) * | 2012-12-28 | 2014-07-02 | 上海申龙客车有限公司 | General welding jig applied to manufacturing fully-integral chassis |
| CN103894771B (en) * | 2012-12-28 | 2016-08-03 | 上海申龙客车有限公司 | A kind of being applicable to carries the General welding clamp that underframe manufactures entirely |
| CN104097004A (en) * | 2013-04-15 | 2014-10-15 | 广西银河迪康电气有限公司 | Welding positioning assembly bearing bracket for annular net cabinet five-surface box |
| CN103240556A (en) * | 2013-05-10 | 2013-08-14 | 上汽通用五菱汽车股份有限公司 | Welding fixture for formula racing |
| CN103240556B (en) * | 2013-05-10 | 2015-04-01 | 上汽通用五菱汽车股份有限公司 | Welding fixture for formula racing |
| CN104139268A (en) * | 2013-12-20 | 2014-11-12 | 中国重汽集团柳州运力专用汽车有限公司 | Butt welding tooling for frame |
| CN104043936A (en) * | 2014-07-01 | 2014-09-17 | 中国农业大学 | Flexible robot welding tool for chassis frame of maize harvesting machine |
| CN104043936B (en) * | 2014-07-01 | 2016-03-02 | 中国农业大学 | A kind of maize harvesting machine chassis vehicle frame flexible robot welding tooling |
| CN104191127B (en) * | 2014-08-22 | 2015-11-18 | 南车戚墅堰机车有限公司 | Car roof skeleton assembly or fitting table |
| CN104191127A (en) * | 2014-08-22 | 2014-12-10 | 南车戚墅堰机车有限公司 | Locomotive roof framework assembly station |
| CN104400283A (en) * | 2014-09-25 | 2015-03-11 | 北京航星机器制造有限公司 | Welding device for titanium alloy skin structural member for framework |
| CN104400283B (en) * | 2014-09-25 | 2018-09-25 | 北京航星机器制造有限公司 | Titanium alloy framework stressed-skin construction part welder |
| CN105880906A (en) * | 2016-05-23 | 2016-08-24 | 陈思宇 | Semi-fixed floor support plate framework welding workbench |
| CN105880907A (en) * | 2016-05-23 | 2016-08-24 | 陈思宇 | Automatic adjustment floor support plate framework welding workbench |
| CN105880907B (en) * | 2016-05-23 | 2018-04-20 | 陈思宇 | Automatically adjust floor support plate frame welding workbench |
| CN105880906B (en) * | 2016-05-23 | 2018-06-29 | 陈思宇 | Semifixed floor support plate frame welding workbench |
| CN107217785A (en) * | 2017-06-26 | 2017-09-29 | 蓝海永乐（江苏）新材料有限公司 | A kind of safety-type secondary beam being easily installed |
| CN109048173A (en) * | 2018-10-12 | 2018-12-21 | 上海嘉堃实业有限公司 | A kind of flexible welding positioning device for thin plate components |
| CN112318031A (en) * | 2020-10-26 | 2021-02-05 | 天津中车唐车轨道车辆有限公司 | Platform type flexible welding fixture |
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Granted publication date: 20120328 |