CN102218617B - Rear axle assembly welding method and clamping device special for rear axle assembly welding tool - Google Patents
Rear axle assembly welding method and clamping device special for rear axle assembly welding tool Download PDFInfo
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- CN102218617B CN102218617B CN201110089834.0A CN201110089834A CN102218617B CN 102218617 B CN102218617 B CN 102218617B CN 201110089834 A CN201110089834 A CN 201110089834A CN 102218617 B CN102218617 B CN 102218617B
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- back axle
- welding
- rear axle
- ring flange
- clamping device
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Abstract
The invention relates to a rear axle assembly welding method and a clamping device special for a rear axle assembly welding tool, and mainly solves the technical problems of complexity, high cost and the like of a rear axle assembly welding processing method. The method comprises the following steps of: processing the clamping device of the rear axle assembly welding tool, a left side deck and a right side deck and vertically turning over; fixedly sleeving on a frame assembly welding tool clamping device according to design requirements; welding all balancing rod supports and a back beam; sleeving a rear axle flange plate in a rear axle hole; sleeving the clamping device of the rear axle assembly welding tool in the rear axle flange plate and fixing the clamping device of the real axle assembly welding tool; welding the rear axle flange plate on the side decks; welding other necessary equipment; turning over the welded frame assembly and the clamping device of the rear axle assembly welding tool; welding a vehicle head bottom deck and a bottom deck; and disassembling the frame assembly and the clamping device of the rear axle assembly welding tool. The rear axle assembly welding method can be widely applied to welding construction of the frame assembly of various vehicles, particularly armored vehicles.
Description
Technical field
The present invention relates to a kind of welding method for the armored vehicle chassis assembly, particularly a kind of method for welding of rear axle and special tooling clamping device.
Background technology
At present, domestic military armored vehicle, comprise that crawler belt and wheeled mobile vehicle all adopt the van-type structure, and mounting bracket and the installing hole of transmission and ground-engaging element all are welded on car body.Due to transmission and running gear 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 except designing large-scale positioning tool, each bridge opening is carried out Primary Location, 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, then clamp respectively on the large-sized numerical control machining equipment each bridge opening is worked into to the drawing requirement size.From the Russia to China, each large military armored vehicle factory adopts this process to be processed.This type of prior art is in the car body welding process, and the car body distortion is serious, is singly that the position distortion of front-rear axle just can reach the 15mm left and right; And process long in time limit, about 16 hours consuming time of the location of every trolley body, the front-rear axle of every trolley body is processed approximately 40 hours, and all will on large-size numerical control machine, complete; Its processing charges is also quite expensive, and the car body locating platform is approximately wanted 400,000 left and right, and every chassis front-rear axle machine adds expense and also reaches 2.8 ten thousand.
Summary of the invention
For solving the above-mentioned problems in the prior art, but the invention provides a kind of simplified processing process and the high welding of rear axle method of machining accuracy.
The technical solution adopted for the present invention to solve the technical problems is: the first step, process the welding of rear axle fixture clamping device by designing requirement, and cut out each bridge opening 2 that comprises front-rear axle and balance shaft bar 3 according to designing requirement on left and right sides deck 1, the auxiliary equipment of good other designing requirement of welding, complete the preparatory processing on side deck 1 again; Second step, spin upside down left and right sides deck 1 according to designing requirement and be fixedly set on frame assembly assembly welding fixture clamping device 6, and after comprising that each balancing pole support 3 and the back rest weld; The 3rd step, be sleeved on back axle ring flange 5 in the back axle bridge opening, then the welding of rear axle fixture clamping device is sleeved in back axle ring flange 5 and fixes; The 4th step, back axle ring flange 5 is welded on the side deck, weld propons ring flange 4 and gear-box bracket simultaneously, soldered frame assembly assembly welding fixture clamping device 6 and the welding of rear axle fixture clamping device that comprises left and right sides deck 1, each balancing pole support 3, underdeck longeron, propons ring flange 4 and back axle ring flange 5 and connected into an integral body turned, the first deck of welding tractor again, then weld underdeck; The 5th step, disassemble frame assembly assembly welding fixture clamping device 6 and welding of rear axle fixture clamping device, completes the welding job of frame assembly.
A kind of preferred welding of rear axle method of the present invention: the first step, process the welding of rear axle fixture clamping device that comprises that back axle locating shaft 21, back axle ring flange 5, round table-like back axle locating shaft seam 22, back axle positioning disk 23 and gland 25 form by designing requirement, and cut out each bridge opening 2 that comprises front-rear axle and balance shaft bar 3 according to designing requirement on left and right sides deck 1, the auxiliary equipment of good other designing requirement of welding, complete the preparatory processing on side deck 1 again; Second step, spin upside down left and right sides deck 1 according to designing requirement and be fixedly set on frame assembly assembly welding fixture clamping device 6, and after comprising that each balancing pole support 3 and the back rest weld; The 3rd step, back axle ring flange 5 is sleeved in the back axle bridge opening, again back axle locating shaft 21 is sleeved in back axle ring flange 5, back axle positioning disk 23 engage sleeves are contained on the back axle locating shaft seam 22 at back axle locating shaft 21 two ends, the inner external diameter of back axle positioning disk 23 matches with back axle ring flange internal diameter, the outside that is sleeved on back axle ring flange 5 fixing of matching with back axle ring flange external diameter, back axle positioning disk 23 outer ends, then gland 25 is sleeved on to back axle positioning disk 23 outer ends and is connected and fixed with back axle locating shaft seam 22; The 4th step, back axle ring flange 5 is welded on the side deck, weld propons ring flange 4 and gear-box bracket simultaneously, soldered frame assembly assembly welding fixture clamping device 6 and the welding of rear axle fixture clamping device that comprises left and right sides deck 1, each balancing pole support 3, underdeck longeron, propons ring flange 4 and back axle ring flange 5 and connected into an integral body turned, the first deck of welding tractor again, then weld underdeck; The 5th step, disassemble frame assembly assembly welding fixture clamping device 6 and welding of rear axle fixture clamping device, completes the welding job of frame assembly.
The present invention also can be provided with the screw corresponding with back axle ring flange 5 screws at back axle positioning disk 23 outer end circumference, adopts gland hold-down screw 26 that back axle positioning disk 23 and back axle ring flange 5 are connected into to integral body.Also can be respectively arranged with screw at the center, two ends of back axle locating shaft seam 22, be provided with the through hole matched with the two ends screw of back axle locating shaft seam 22 on gland 25, adopt positioning disk hold-down screw 24 that gland 25 and back axle locating shaft seam 22 are connected into to an integral body.
But the invention provides the welding of rear axle fixture clamping device that a kind of simplified processing process and machining accuracy are high, it comprises back axle locating shaft 21, round table-like back axle locating shaft seam 22, back axle positioning disk 23 and gland 25, in thick outer end, affixed the inner, the two ends of back axle locating shaft 21 thin trapezoidal round table-like back axle locating shaft seam 22, coordinate the thick inner thin trapezoidal round table-like back axle positioning disk 23 in suit outer end on back axle locating shaft seam 22, in the outer end of back axle positioning disk 23, gland 25 is installed.Described back axle locating shaft 21 can be circular shaft, also can adopt square shaft or erose d-axis.The outer end of back axle locating shaft seam 22 becomes to closely cooperate with the inner ring of back axle positioning disk 23, and the outer end length of back axle locating shaft seam 22 equals the inner ring thickness of back axle positioning disk 23.Back axle positioning disk 23 is inner to be become to closely cooperate with the inner ring of back axle ring flange 5.The external diameter of back axle positioning disk 23 outer ends equals the external diameter of back axle ring flange.Be provided with the through hole corresponding with back axle ring flange 5 screws at back axle positioning disk 23 outer end circumference.Center, two ends at back axle locating shaft seam 22 is respectively arranged with screw, is provided with the through hole matched with the two ends screw of back axle locating shaft seam 22 on gland 25.
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 tooling fixture, after only the water cutting method carries out processing on the Ce deck, position of each bridge opening just to locate, again each bridge opening is worked into to the final size of designing requirement, by adopting some Special tooling clamps, make in car body welding fabrication process to clamp all the time and fixing corresponding site, because the frock rigidity is better, can offset the distortion caused because of welding stress and other factors, therefore after the car body welding fabrication, position and the dimensional accuracy of each bridge opening of car body and transmission and ground-engaging element can reach designing requirement, do not need to go up again large-size numerical control machine processing, thereby improved work efficiency, saved cost.It can be widely used in various vehicles particularly in the frame assembly welding procedure of armored vehicle.
The accompanying drawing explanation
Fig. 1 is the use status architecture schematic diagram of welding of rear axle fixture clamping device.
Fig. 2 is the side-looking structural representation of frame assembly.
In figure: 1-side deck, 2-bridge opening, 3-balancing pole support, 4-propons ring flange, 5-back axle ring flange, 6-frame assembly assembly welding fixture clamping device, 21-back axle locating shaft, 22-back axle locating shaft seam, 23-back axle positioning disk, 24-positioning disk hold-down screw, 25-gland, 26-gland hold-down screw.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is described in further details.
Embodiment 1, the first step of the present invention, process the welding of rear axle fixture clamping device by designing requirement, and cut out each bridge opening 2 that comprises front-rear axle and balance shaft bar 3 according to designing requirement on left and right sides deck 1, the auxiliary equipment of good other designing requirement of welding, complete the preparatory processing on side deck 1 again; Second step, spin upside down left and right sides deck 1 according to designing requirement and be fixedly set on frame assembly assembly welding fixture clamping device 6, and after comprising that each balancing pole support 3 and the back rest weld; The 3rd step, be sleeved on back axle ring flange 5 in the back axle bridge opening, then the welding of rear axle fixture clamping device is sleeved in back axle ring flange 5 and fixes; The 4th step, back axle ring flange 5 is welded on the side deck, weld propons ring flange 4 and gear-box bracket simultaneously, soldered frame assembly assembly welding fixture clamping device 6 and the welding of rear axle fixture clamping device that comprises left and right sides deck 1, each balancing pole support 3, underdeck longeron, propons ring flange 4 and back axle ring flange 5 and connected into an integral body turned, the first deck of welding tractor again, then weld underdeck; The 5th step, disassemble frame assembly assembly welding fixture clamping device 6 and welding of rear axle fixture clamping device, completes the welding job of frame assembly.Consult Fig. 1 and Fig. 2.
Embodiment 2, and the present invention can adopt a kind of special-purpose welding of rear axle fixture clamping device to be processed, further to improve work efficiency.It comprises back axle locating shaft 21, round table-like back axle locating shaft seam 22, back axle positioning disk 23 and gland 25, in thick outer end, affixed the inner, the two ends of back axle locating shaft 21 thin trapezoidal round table-like back axle locating shaft seam 22, coordinate the thick inner thin trapezoidal round table-like back axle positioning disk 23 in suit outer end on back axle locating shaft seam 22, in the outer end of back axle positioning disk 23, gland 25 is installed.Described back axle locating shaft 21 can be circular shaft, also can adopt square shaft or erose d-axis.The outer end diameter of back axle locating shaft seam 22 is equal to or slightly less than the internal diameter of back axle positioning disk 23, so that the interior formation of the outer end of back axle locating shaft seam 22 and back axle positioning disk 23 closely cooperates, simultaneously, make the outer end length of back axle locating shaft seam 22 equal the inner ring thickness of back axle positioning disk 23.The external diameter of back axle positioning disk 23 the inners is equal to or slightly less than the internal diameter of back axle ring flange, so that the inner inner ring with the back axle ring flange of back axle positioning disk 23 forms, closely cooperates.Make the external diameter of back axle positioning disk 23 outer ends equal the external diameter of back axle ring flange, so that install and construction.Be provided with the through hole corresponding with back axle ring flange 5 screws at back axle positioning disk 23 outer end circumference, so that back axle positioning disk 23 adopts screw to fix with back axle ring flange 5.Center, two ends at back axle locating shaft seam 22 is respectively arranged with screw, is provided with the through hole matched with the two ends screw of back axle locating shaft seam 22 on gland 25, so that gland 25 adopts screw to fix with back axle locating shaft seam 22.Adopt special-purpose welding of rear axle fixture clamping device to carry out the concrete technology step of assembly welding as follows:
The first step, process and comprise what back axle locating shaft 21, back axle ring flange 5, round table-like back axle locating shaft seam 22, back axle positioning disk 23 and gland 25 formed by designing requirement, and cut out each bridge opening 2 that comprises front-rear axle and balance shaft bar 3 according to designing requirement on left and right sides deck 1, the auxiliary equipment of good other designing requirement of welding, complete the preparatory processing on side deck 1 again; Second step, spin upside down left and right sides deck 1 according to designing requirement and be fixedly set on frame assembly assembly welding fixture clamping device 6, and after comprising that each balancing pole support 3 and the back rest weld; The 3rd step, back axle ring flange 5 is sleeved in the back axle bridge opening, again back axle locating shaft 21 is sleeved in back axle ring flange 5, back axle positioning disk 23 engage sleeves are contained on the back axle locating shaft seam 22 at back axle locating shaft 21 two ends, the inner external diameter of back axle positioning disk 23 matches with back axle ring flange internal diameter, the outside that is sleeved on back axle ring flange 5 fixing of matching with back axle ring flange external diameter, back axle positioning disk 23 outer ends, then gland 25 is sleeved on to back axle positioning disk 23 outer ends and is connected and fixed with back axle locating shaft seam 22; The 4th step, back axle ring flange 5 is welded on the side deck, weld propons ring flange 4 and gear-box bracket simultaneously, soldered frame assembly assembly welding fixture clamping device 6 and the welding of rear axle fixture clamping device that comprises left and right sides deck 1, each balancing pole support 3, underdeck longeron, propons ring flange 4 and back axle ring flange 5 and connected into an integral body turned, the first deck of welding tractor again, then weld underdeck; The 5th step, disassemble frame assembly assembly welding fixture clamping device 6 and welding of rear axle fixture clamping device, completes the welding job of frame assembly.Consult Fig. 1 and Fig. 2.
Embodiment 3, and the present invention also can be provided with the screw corresponding with back axle ring flange 5 screws at back axle positioning disk 23 outer end circumference, adopt gland hold-down screw 26 that back axle positioning disk 23 and back axle ring flange 5 are connected into to integral body.Also can be respectively arranged with screw at the center, two ends of back axle locating shaft seam 22, be provided with the through hole matched with the two ends screw of back axle locating shaft seam 22 on gland 25, adopt positioning disk hold-down screw 24 that gland 25 and back axle locating shaft seam 22 are connected into to an integral body.Consult Fig. 1 and Fig. 2.
The present invention is by adopting the back axle special tooling to be welded by the back axle flange assembling and after being fixed on car body again, thereby, for hole dimension in back axle and tolerance and be guaranteed with position and the accuracy of form and position of front bridge opening.Adopt method of the present invention by after 5 welding of back axle ring flange, can need again to be reserved with corresponding allowance to back axle ring flange 5, can disposable machine-shaping, also not needing to adopt large-scale positioning tool and large-sized processing equipment to carry out machine adds, it can guarantee to demonstrate,prove its accurate to dimension and form and position tolerance reaches designing requirement, and the installation and removal of frock clamp are also very convenient.
Claims (8)
1. a welding of rear axle method, it is characterized in that: the first step, process the welding of rear axle fixture clamping device that comprises that back axle locating shaft (21), back axle ring flange (5), round table-like back axle locating shaft seam (22), back axle positioning disk (23) and gland (25) form by designing requirement, and cut out each bridge opening (2) that comprises front-rear axle and balance shaft bar (3) according to designing requirement on left and right sides deck (1), the auxiliary equipment of good other designing requirement of welding, complete the preparatory processing of side deck (1) again; Second step, spin upside down left and right sides deck (1), is fixedly set in frame assembly assembly welding fixture clamping device (6) according to designing requirement upper, and will comprises that each balancing pole support (3) and the back rest weld; The 3rd step, back axle ring flange (5) is sleeved in the back axle bridge opening, again back axle locating shaft (21) is sleeved in back axle ring flange (5), back axle positioning disk (23) engage sleeves is contained on the back axle locating shaft seam (22) at back axle locating shaft (21) two ends, the inner external diameter of back axle positioning disk (23) matches with back axle ring flange internal diameter, the outside that is sleeved on back axle ring flange (5) fixing of matching with back axle ring flange external diameter, back axle positioning disk (23) outer end, then gland (25) is sleeved on to back axle positioning disk (23) outer end and is connected and fixed with back axle locating shaft seam (22); The 4th step, back axle ring flange (5) is welded on the side deck, weld propons ring flange (4) and gear-box bracket simultaneously, soldered frame assembly assembly welding fixture clamping device (6) and the welding of rear axle fixture clamping device that comprises left and right sides deck (1), each balancing pole support (3), underdeck longeron, propons ring flange (4) and back axle ring flange (5) and connected into an integral body turned, the first deck of welding tractor again, then weld underdeck; The 5th step, disassemble frame assembly assembly welding fixture clamping device (6) and welding of rear axle fixture clamping device, completes the welding job of frame assembly.
2. welding of rear axle method according to claim 1, it is characterized in that: be provided with the screw corresponding with back axle ring flange (5) screw at back axle positioning disk (23) outer end circumference, adopt gland hold-down screw (26) that back axle positioning disk (23) and back axle ring flange (5) are connected into to integral body.
3. welding of rear axle method according to claim 1, it is characterized in that: the center, two ends at back axle locating shaft seam (22) is respectively arranged with screw, be provided with the through hole matched with the two ends screw of back axle locating shaft seam (22) on gland (25), adopt positioning disk hold-down screw (24) that gland (25) and back axle locating shaft seam (22) are connected into to an integral body.
4. welding of rear axle method according to claim 1, it is characterized in that: the outer end of back axle locating shaft seam (22) becomes to closely cooperate with the inner ring of back axle positioning disk (23), and the outer end length of back axle locating shaft seam (22) equals the inner ring thickness of back axle positioning disk (23).
5. welding of rear axle method according to claim 1 is characterized in that: back axle positioning disk (23) is inner to be become to closely cooperate with the back axle ring flange.
6. welding of rear axle method according to claim 1, it is characterized in that: the external diameter of back axle positioning disk (23) outer end equals the external diameter of back axle ring flange.
7. welding of rear axle method according to claim 1, is characterized in that: at back axle positioning disk (23) outer end circumference, be provided with the through hole corresponding with back axle ring flange (5) screw.
8. welding of rear axle method according to claim 1, it is characterized in that: the center, two ends at back axle locating shaft seam (22) is respectively arranged with screw, is provided with the through hole matched with the two ends screw of back axle locating shaft seam (22) on gland (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110089834.0A CN102218617B (en) | 2011-04-11 | 2011-04-11 | Rear axle assembly welding method and clamping device special for rear axle assembly welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110089834.0A CN102218617B (en) | 2011-04-11 | 2011-04-11 | Rear axle assembly welding method and clamping device special for rear axle assembly welding tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102218617A CN102218617A (en) | 2011-10-19 |
| CN102218617B true CN102218617B (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110089834.0A Expired - Fee Related CN102218617B (en) | 2011-04-11 | 2011-04-11 | Rear axle assembly welding method and clamping device special for rear axle assembly welding tool |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103008956B (en) * | 2012-12-27 | 2015-02-18 | 郑州精益达汽车零部件有限公司 | Jig for welding axle case with brake mounting flange and air chamber bracket base of passenger car |
| CN107470836A (en) * | 2017-10-10 | 2017-12-15 | 北京北方车辆集团有限公司 | A kind of apparatus for welding and positioning |
| JP7301859B2 (en) * | 2018-02-09 | 2023-07-03 | コンクステック，インコーポレーテッド | Method and apparatus for assembly of moment-coupled components |
| CN112872677B (en) * | 2020-12-24 | 2022-09-02 | 上海洪铺钢结构工程有限公司 | Device for welding steel structure |
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| GB147575A (en) * | 1918-07-22 | 1922-01-09 | Ind Res Corp | Improvements in the frame construction of motor vehicles |
| CN2375559Y (en) * | 1999-06-28 | 2000-04-26 | 许战争 | Shaft transmission mechanism for motortricycle |
| CN2860716Y (en) * | 2005-12-16 | 2007-01-24 | 中国重型汽车集团有限公司 | Locating device for bridge shell welding upper propelling rod bearing |
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| CN101204773A (en) * | 2007-12-15 | 2008-06-25 | 江西江铃底盘股份有限公司 | Car drive axle semi-axis axletree assembly and assembly process |
| CN201716153U (en) * | 2010-05-10 | 2011-01-19 | 柳州市恒力传动轴有限责任公司 | Clamp for testing dynamic balance of transmission shaft |
| CN202010864U (en) * | 2011-04-11 | 2011-10-19 | 湖南江麓特种装备制造有限公司 | Clamp device for assembly and welding of rear axle |
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2011
- 2011-04-11 CN CN201110089834.0A patent/CN102218617B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB147575A (en) * | 1918-07-22 | 1922-01-09 | Ind Res Corp | Improvements in the frame construction of motor vehicles |
| CN2375559Y (en) * | 1999-06-28 | 2000-04-26 | 许战争 | Shaft transmission mechanism for motortricycle |
| CN2860716Y (en) * | 2005-12-16 | 2007-01-24 | 中国重型汽车集团有限公司 | Locating device for bridge shell welding upper propelling rod bearing |
| CN200954783Y (en) * | 2006-09-30 | 2007-10-03 | 力帆实业(集团)有限公司 | Beach-buggy over-drive type rear-bridge assembly |
| CN101204773A (en) * | 2007-12-15 | 2008-06-25 | 江西江铃底盘股份有限公司 | Car drive axle semi-axis axletree assembly and assembly process |
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| CN202010864U (en) * | 2011-04-11 | 2011-10-19 | 湖南江麓特种装备制造有限公司 | Clamp device for assembly and welding of rear axle |
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| CN102218617A (en) | 2011-10-19 |
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