CN102179636A - Assembly welding method of chassis assembly and assembly welding tooling clamping devices special for same - Google Patents
Assembly welding method of chassis assembly and assembly welding tooling clamping devices special for same Download PDFInfo
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- CN102179636A CN102179636A CN2011100902168A CN201110090216A CN102179636A CN 102179636 A CN102179636 A CN 102179636A CN 2011100902168 A CN2011100902168 A CN 2011100902168A CN 201110090216 A CN201110090216 A CN 201110090216A CN 102179636 A CN102179636 A CN 102179636A
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Abstract
The invention relates to an assembly welding method of a chassis assembly and an assembly welding tooling clamping devices special for the same, mainly solving the technical problems of complexity and the like of the traditional processing method. The assembly welding method of the chassis assembly comprises the following steps of: cutting bridge openings (2) on left and right side armor plates (1) according to design requirements, and sleeving the left and right side armor plates (1) on two or more than two assembly welding tooling clamping devices in an overturning way; then welding both ends of balancing pole brackets (3) with the bridge openings (2) one by one, and then welding a back beam (12), a bottom armor plate longitudinal beam (10), a front axle ring flange (4), a rear axle ring flange (5) and a speed changing box bracket; overturning the welded left and right side armor plates (1), the balancing pole brackets (3), the back beam (12), the bottom armor plate longitudinal beam (10) and the assembly welding tooling clamping devices already connected into an integer, then welding a head bottom armor plate, and then welding a bottom armor plate (9) so as to complete the welding work of the chassis assembly. The invention can be widely used for the welding construction of the chassis assemblies of various vehicles and armored vehicles especially.
Description
Technical field
The present invention relates to a kind of welding method that is used for the armored vehicle chassis assembly, also relate to a kind of fixing and positioner of frame assembly.
Background technology
At present, domestic military armored vehicle comprises that crawler belt and wheeled mobile vehicle all adopt the van-type structure, and the mounting bracket and the installing hole of transmission and ground-engaging element all are welded on the car body.Because transmission and running gear are higher to each bridge opening relative position and dimension precision requirement, comprise axiality, quality of fit, perpendicularity etc., and large-scale car body all can produce gross distortion when welding, so each bridge opening is carried out the Primary Location except designing large-scale positioning tool, also to leave corresponding allowance to each bridge opening, these allowance must be greater than the welding deformation amount at this position, by the time after the car body welding fabrication, clamp respectively again on the large-sized numerical control machining equipment and each bridge opening to be worked into drawing requirement size.Each big military armored vehicle factory adopts this process to process from the Russia to China.This type of prior art is in the car body welding process, and the car body distortion is serious, singly is that the position distortion of front and back bridge just can reach about 15mm; And process long in time limit, about 16 hours consuming time of the location of every trolley body, the front and back bridge of every trolley body was processed about 40 hours, all will finish on large-size numerical control machine; Its processing charges is also quite expensive, and the car body locating platform is approximately wanted about 400,000, and every chassis front and back bridge machine adds expense and also reaches 2.8 ten thousand.
Summary of the invention
Be to solve the above-mentioned problems in the prior art, but the invention provides the assembly welding method of the high frame assembly of a kind of simplified processing process and machining accuracy.
The technical solution adopted for the present invention to solve the technical problems is: the first step, according to cutting out each bridge opening 2 on the designing requirement left and right sides deck 1, welded the auxiliary equipment of side deck curb girder 11 and other designing requirement again, and the through hole that on side deck curb girder 11, is provided for locating, promptly finish the preparatory processing on side deck 1; In second step, left and right sides deck 1 inversion boot is contained on 2 covers or the assembly welding frock clamping device more than 2 covers; Two ends with each balancing pole support 3 are set in each bridge opening 2 on left and right sides deck 1 then, adjust left and right sides deck 1 perpendicularity and size according to designing requirement again, and left and right sides deck 1 is fixed on the assembly welding frock clamping device, one by one with the two ends and 2 welding of each bridge opening of each balancing pole support 3, weld the back rest 12 more again; The 3rd step, between each balancing pole support 3, weld underdeck longeron 10 according to designing requirement, weld propons ring flange 4, back axle ring flange 5 and gear-box bracket again; The 4th step turned left and right sides deck 1, each balancing pole support 3, the back rest 12 and underdeck longeron 10 that has welded and the assembly welding frock clamping device that has connected into an integral body, and the first underdeck of welding tractor welds underdeck 9 more again; The 5th step disassembled assembly welding frock clamping device, promptly finished the welding job of frame assembly.Described assembly welding frock clamping device preferably adopts 5 covers or 6 covers.
Left and right sides of the present invention deck 1 preferably adopts the water cutting technique to cut out each bridge opening 2.Side deck curb girder 11 on the left and right sides deck 1 also can be fixed on the assembly welding frock clamping device by adopting curb girder positioning screw cover 14.
Another object of the present invention provides a kind of assembly welding frock clamping device, it comprises that cross member 7, column 6 and entablature 13 constitute clamp bracket, at the symmetrical affixed column 6 of both sides, cross member 7 top difference, affixed entablature 13 between 2 root posts 6, be respectively arranged with the positioning screw hole 20 that is used for installation side deck curb girder 11 at cross member 7 two ends, be provided for the through hole of installation adjusting device on the top of 2 root posts 6, wear side deck state guiding mechanism 8 in column 6 top through holes.Also can be between column 6 and entablature 13 affixed support bar 15.Described side deck state guiding mechanism 8 comprises match with column 6 top through holes affixed screw and side plate adjusting screw(rod) 19, and side plate adjusting screw(rod) 19 is sleeved in the screw.Described side deck state guiding mechanism 8 also can comprise match with column 6 top through holes affixed screw, contiguous block support 16, latching 17, piece 18 and side plate adjusting screw(rod) 19 are located by connecting, side plate adjusting screw(rod) 19 is sleeved in the screw, the front end sleeve dress contiguous block support 16 of side plate adjusting screw(rod) 19, the contiguous block support 16 and the piece 18 that is located by connecting are provided with the latching hole, and latching 17 passes latching hole on the contiguous block support 16 and the piece 18 that the is located by connecting piece 18 that will be located by connecting and is sleeved in the contiguous block support 16.
The invention has the beneficial effects as follows: it breaks through the constraint of traditional handicraft method, its processing technology no longer needs to adopt large-scale positioning tool anchor clamps, the water cutting method behind the location, is worked into each bridge opening the final size of designing requirement with the position of each bridge opening again at the beginning of processing on the side deck is carried out; By adopting some special tooling anchor clamps, make in the car body welding fabrication process clamping all the time and fixing corresponding site, because the frock rigidity is better, can offset the distortion that causes because of welding stress and other factors, therefore behind the car body welding fabrication, the position and the dimensional accuracy of each bridge opening of car body and transmission and ground-engaging element all can reach designing requirement, do not need to go up large-size numerical control machine processing again, thereby improved work efficiency, saved cost.It can be widely used in various vehicles particularly in the frame assembly welding procedure of armored vehicle.
Description of drawings
Fig. 1 is the structural representation of armored hull.
Fig. 2 is a vehicle frame frock assembly welding clamping schematic diagram.
Fig. 3 is the plan structure schematic diagram of Fig. 2.
Fig. 4 is the A-A sectional structure schematic diagram of Fig. 3.
Fig. 5 is the structural representation of assembly welding frock clamping device.
Fig. 6 is the A portion structure for amplifying schematic diagram of Fig. 5.
Among the figure: 1-side deck, 2-bridge opening, 3-balancing pole support, 4-propons ring flange, 5-back axle ring flange, 6-column, 7-cross member, 8-side deck state guiding mechanism, the 9-underdeck, 10-underdeck longeron, 11-side deck curb girder, the 12-back rest, 13-entablature, 14-curb girder positioning screw cover, the 15-support bar, 16-contiguous block support, 17-latching, the 18-piece that is located by connecting, 19-side plate adjusting screw(rod), 20-positioning screw hole.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is described in further details.
Embodiment 1, and concrete processing step of the present invention is as follows: the first step, according to cutting out each bridge opening 2 on the designing requirement left and right sides deck 1, preferably adopt the water cutting method each bridge opening to be worked into the final size of drawing design; Propons ring flange, back axle ring flange and gear-box bracket processed respectively by drawing on junior machine put in place, no longer reserve allowance, standard size when promptly being worked into assembling, welded the auxiliary equipment of side deck curb girder 11 and other designing requirement again, and the through hole that on side deck curb girder 11, is provided for locating, this through hole will match with the locating hole that designs on the assembly welding frock clamping device, has just finished the preparatory processing on side deck 1 this moment.Second step turned left and right sides deck 1, and promptly the upper-lower position of side deck 1 when user mode the other way around, be sleeved on the above assembly welding frock clamping device of 2 covers or 2 covers, for fixedlying positioning, reduce frock again as far as possible, this assembly welding frock clamping device preferably adopts 5 covers or 6 covers to get final product; Two ends with each balancing pole support 3 are set in each bridge opening 2 on left and right sides deck 1 then, adjust left and right sides deck 1 perpendicularity and size according to designing requirement again, and left and right sides deck 1 is fixed on the assembly welding frock clamping device, can adopt spot welding or latching or screw rod or this several modes to make up employing fixes these frocks, thereby each parts of car body are combined, by the frock clamp of designs fix and support car body, prevent the distortion of car body when welding; These frocks are removed should enough rigidity, can resist welding deformation, reaches outside the precision that postwelding obtains with the machine adding method to guarantee each bridge opening, also will mount and dismount conveniently, cost is cheap relatively; One by one with the two ends and 2 welding of each bridge opening of each balancing pole support 3, weld the back rest 12 more again; The 3rd step, between each balancing pole support 3, weld underdeck longeron 10 according to designing requirement, weld propons ring flange 4, back axle ring flange 5 and gear-box bracket again; The 4th step turned left and right sides deck 1, each balancing pole support 3, the back rest 12 and underdeck longeron 10 that has welded and the assembly welding frock clamping device that has connected into an integral body, and the first underdeck of welding tractor welds underdeck 9 more again; The 5th step disassembled assembly welding frock clamping device, promptly finished the welding job of frame assembly.Consult Fig. 1 to Fig. 6.
The present invention just begins each position of car body is welded after car body underframe main components is all fitted together.After treating that whole welding procedures are finished, progressively dismantle all frocks again, after the frock dismounting, car body is hung dull and stereotyped the going up of measurement each size is tested.Reprocess without lathe after experiment showed, employing this method welding forming, the dimensional accuracy of each bridge opening position dimension and front and back bridge can both reach standard-required.
The present invention is by the assembly welding of change car body and the Primary Location mode of each bridge opening, do not need to adopt large-scale positioning tool, each bridge opening position of car body need not large-scale locating platform, only need to change the flame cutting on side deck into the water cutting technique, because of water cutter cutting technique has indeformable, characteristics such as precision height can be controlled at the positional precision of each bridge opening about 0.5mm like this.By adopting the frock clamp that can limit car body welding deformation and front and back bridging shape, can guarantee the axiality requirement in two ring flange holes and gear-box bracket two holes about propons, it is to be benchmark with the transmission that designs on the left and right sides deck and each bridge opening of running gear, Installation and Debugging are convenient, can accurately guarantee the combination of car body; Because in the car body welding process, the fixing and clamping action of each frock to car body arranged, the welding deformation of car body is very little, can be controlled within the 5mm.And the dimensional tolerance and the form and position tolerance of each ring flange of bridge before and after the welding back, can both reach the requirement of design code as four hole axialities, ovality, perpendicularity such as about propons left and right sides ring flange, gear-box bracket, can guarantee the quality of product well.
The present invention compares with the prior art scheme under the every technical request of car body guaranteeing, has the following advantages: the one, and shorten the production cycle, improved efficiency; Without locating platform, can save 10 hours man-hours in the car body combination; Postwelding does not need machine to add, and can save 40 hours process times, improve work efficiency greatly for every; It is consuming time quite that the side deck is cut automatically with flame more originally in water cutter cutting method process side deck.So every manufacturing one chassis utilizes the technical program then can save 50 hours man-hours.The 2nd, saved processing charges; It need not make up the about 400,000 yuan of locating platform manufacturing costs of disposable saving with large-scale locating platform; Behind the car body welding forming, forward and backward bridge opening and gearbox bridge opening need not be transported on the heavy duty machine tools again and process, these frocks install adjust and dismounting all easily, quick, and can use repeatedly; Can save 2.8 ten thousand yuan of processing charges for every; About 2.5 ten thousand yuan of the disposable input expense of this frock clamp; Every chassis adds front and back bridge ring flange machine shaping in advance and adheres to specification, and about 0.2 ten thousand yuan of its processing charges is so if calculate by producing 80 chassis per year, utilize this programme can be 245.5 ten thousand yuan of enterprise's cost savings every year.
Embodiment 3, side of the present invention deck state guiding mechanism 8 also can adopt another kind of version, it can be by the affixed screw that matches with column 6 top through holes, contiguous block support 16, latching 17, formations such as piece 18 and side plate adjusting screw(rod) 19 are located by connecting, side plate adjusting screw(rod) 19 is sleeved in the screw, the front end sleeve dress contiguous block support 16 of side plate adjusting screw(rod) 19, the contiguous block support 16 and the piece 18 that is located by connecting are provided with the latching hole, latching 17 pass contiguous block support 16 and the piece 18 that is located by connecting on the latching hole piece 18 that will be located by connecting be sleeved in the contiguous block support 16, at this moment, the piece 18 that is located by connecting can be replaced as required.Consult Fig. 1 to 6, all the other embodiment 2.
Claims (8)
1. the assembly welding method of a frame assembly, it is characterized in that: the first step, according to cutting out each bridge opening (2) on the designing requirement left and right sides deck (1), welded the auxiliary equipment of side deck curb girder (11) and other designing requirement again, and the through hole that on side deck curb girder (11), is provided for locating, promptly finish the preparatory processing of side deck (1); In second step, left and right sides deck (1) inversion boot is contained on 2 covers or the assembly welding frock clamping device more than 2 covers; Two ends with each balancing pole support (3) are set in each bridge opening (2) on left and right sides deck (1) then, adjust left and right sides deck (1) perpendicularity and size according to designing requirement again, and left and right sides deck (1) be fixed on the assembly welding frock clamping device, one by one with two ends and each bridge opening (2) welding of each balancing pole support (3), weld the back rest (12) more again; The 3rd step, between each balancing pole support (3), weld underdeck longeron (10) according to designing requirement, weld propons ring flange (4), back axle ring flange (5) and gear-box bracket again; The 4th step, left and right sides deck (1), each balancing pole support (3), the back rest (12) and underdeck longeron (10) that has welded and the assembly welding frock clamping device that has connected into an integral body are turned, the first underdeck of welding tractor welds underdeck (9) more again; The 5th step disassembled assembly welding frock clamping device, promptly finished the welding job of frame assembly.
2. the assembly welding method of frame assembly according to claim 1 is characterized in that: go up in left and right sides deck (1) and adopt the water cutting technique to cut out each bridge opening (2).
3. the assembly welding method of frame assembly according to claim 1, it is characterized in that: the side deck curb girder (11) on left and right sides deck (1) is fixed on the assembly welding frock clamping device by curb girder positioning screw cover (14).
4. the assembly welding method of frame assembly according to claim 1 is characterized in that: described assembly welding frock clamping device employing 5 covers or 6 covers.
5. one kind is used for the described assembly welding frock of claim 1 clamping device, it is characterized in that: it comprises that cross member (7), column (6) and entablature (13) constitute clamp bracket, at cross member (7) both sides, top difference symmetrical affixed column (6), affixed entablature (13) between 2 root posts (6), be respectively arranged with the positioning screw hole (20) that is used for installation side deck curb girder (11) at cross member (7) two ends, be provided for the through hole of installation adjusting device on the top of 2 root posts (6), wear side deck state guiding mechanism (8) in the through hole of column (6) top.
6. assembly welding frock clamping device according to claim 5 is characterized in that: affixed support bar (15) between column (6) and entablature (13).
7. assembly welding frock clamping device according to claim 5, it is characterized in that: described side deck state guiding mechanism (8) comprises match with column (6) top through hole affixed screw and side plate adjusting screw(rod) (19), and side plate adjusting screw(rod) (19) is sleeved in the screw.
8. assembly welding frock clamping device according to claim 5, it is characterized in that: described side deck state guiding mechanism (8) comprises the affixed screw that matches with column (6) top through hole, contiguous block support (16), latching (17), piece (18) and side plate adjusting screw(rod) (19) are located by connecting, side plate adjusting screw(rod) (19) is sleeved in the screw, the front end sleeve dress contiguous block support (16) of side plate adjusting screw(rod) (19), contiguous block support (16) and the piece that is located by connecting (18) are provided with the latching hole, and latching (17) passes latching hole on contiguous block support (16) and the piece that is located by connecting (18) piece (18) that will be located by connecting and is sleeved in the contiguous block support (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110090216 CN102179636B (en) | 2011-04-11 | 2011-04-11 | Assembly welding method of chassis assembly and assembly welding tooling clamping devices special for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110090216 CN102179636B (en) | 2011-04-11 | 2011-04-11 | Assembly welding method of chassis assembly and assembly welding tooling clamping devices special for same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102179636A true CN102179636A (en) | 2011-09-14 |
| CN102179636B CN102179636B (en) | 2013-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110090216 Expired - Fee Related CN102179636B (en) | 2011-04-11 | 2011-04-11 | Assembly welding method of chassis assembly and assembly welding tooling clamping devices special for same |
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| Country | Link |
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| CN (1) | CN102179636B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500983A (en) * | 2011-11-11 | 2012-06-20 | 郑州宇通客车股份有限公司 | Rear axle rear segment sub-assembly frame welding mould of full-bearing passenger car |
| CN103342135A (en) * | 2013-07-26 | 2013-10-09 | 乐至县熊猫机器制造有限公司 | High-precision installing method of auxiliary frame of sweeping machine |
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| US3935987A (en) * | 1973-01-17 | 1976-02-03 | Foster Sr Christopher J | Method for rotation of plates to facilitate weldment |
| US5409158A (en) * | 1993-07-08 | 1995-04-25 | Progressive Tool & Industries Company | Automobile framing system |
| CN101172324A (en) * | 2006-11-03 | 2008-05-07 | 康茂股份公司 | System for assembling motor-vehicle body structures or sub-assemblies thereof |
| CN101607356A (en) * | 2009-06-25 | 2009-12-23 | 苏州平方实业有限公司 | The clamping apparatus structure of automation welding usefulness |
| CN101774410A (en) * | 2010-03-04 | 2010-07-14 | 北汽福田汽车股份有限公司 | Method for producing automotive frame assembly |
| CN101954561A (en) * | 2009-07-17 | 2011-01-26 | 卫华集团有限公司 | Pai-shaped assembly tooling |
| CN202010868U (en) * | 2011-04-11 | 2011-10-19 | 湖南江麓特种装备制造有限公司 | Clamping device of group welding tool for vehicle frame assembly |
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2011
- 2011-04-11 CN CN 201110090216 patent/CN102179636B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3935987A (en) * | 1973-01-17 | 1976-02-03 | Foster Sr Christopher J | Method for rotation of plates to facilitate weldment |
| US5409158A (en) * | 1993-07-08 | 1995-04-25 | Progressive Tool & Industries Company | Automobile framing system |
| CN101172324A (en) * | 2006-11-03 | 2008-05-07 | 康茂股份公司 | System for assembling motor-vehicle body structures or sub-assemblies thereof |
| CN101607356A (en) * | 2009-06-25 | 2009-12-23 | 苏州平方实业有限公司 | The clamping apparatus structure of automation welding usefulness |
| CN101954561A (en) * | 2009-07-17 | 2011-01-26 | 卫华集团有限公司 | Pai-shaped assembly tooling |
| CN101774410A (en) * | 2010-03-04 | 2010-07-14 | 北汽福田汽车股份有限公司 | Method for producing automotive frame assembly |
| CN202010868U (en) * | 2011-04-11 | 2011-10-19 | 湖南江麓特种装备制造有限公司 | Clamping device of group welding tool for vehicle frame assembly |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500983A (en) * | 2011-11-11 | 2012-06-20 | 郑州宇通客车股份有限公司 | Rear axle rear segment sub-assembly frame welding mould of full-bearing passenger car |
| CN102500983B (en) * | 2011-11-11 | 2014-08-06 | 郑州宇通客车股份有限公司 | Rear axle rear segment sub-assembly frame welding mould of full-bearing passenger car |
| CN103342135A (en) * | 2013-07-26 | 2013-10-09 | 乐至县熊猫机器制造有限公司 | High-precision installing method of auxiliary frame of sweeping machine |
Also Published As
| Publication number | Publication date |
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| CN102179636B (en) | 2013-10-23 |
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