CN102218617A - 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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- CN102218617A CN102218617A CN2011100898340A CN201110089834A CN102218617A CN 102218617 A CN102218617 A CN 102218617A CN 2011100898340 A CN2011100898340 A CN 2011100898340A CN 201110089834 A CN201110089834 A CN 201110089834A CN 102218617 A CN102218617 A CN 102218617A
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- back axle
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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 that is used for the armored vehicle chassis assembly, particularly a kind of method and special tooling clamping device that is used for the back axle assembly welding.
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 is processed about 40 hours, and 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 the solution the above-mentioned problems in the prior art, but the invention provides a kind of simplified processing process and the high back axle assembly welding method of machining accuracy.
The technical solution adopted for the present invention to solve the technical problems is: the first step, process back axle assembly welding frock clamping device by designing requirement, and according to designing requirement on left and right sides deck 1, cut out comprise before and after each bridge opening 2 of bridge and balance shaft bar 3, the auxiliary equipment of good other designing requirement of welding is promptly finished the preparatory processing on side deck 1 again; Second goes on foot, left and right sides deck 1 is spun upside down according to designing requirement be fixedly set on the frame assembly assembly welding frock clamping device 6, and after will comprising that each balancing pole support 3 and the back rest weld; The 3rd step was sleeved on back axle ring flange 5 in the back axle bridge opening, back axle assembly welding frock clamping device was sleeved in the back axle ring flange 5 also fixing again; The 4th step, back axle ring flange 5 is welded on the side deck, weld propons ring flange 4 and gear-box bracket simultaneously, the frame assembly assembly welding frock clamping device 6 and the back axle assembly welding frock clamping device that comprise 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 that have welded are turned, the first underdeck of welding tractor welds underdeck more again; The 5th step disassembled frame assembly assembly welding frock clamping device 6 and back axle assembly welding frock clamping device, promptly finished the welding job of frame assembly.
A kind of preferred back axle assembly welding method of the present invention: the first step, process the back axle assembly welding frock 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 constitute by designing requirement, and according to designing requirement on left and right sides deck 1, cut out comprise before and after each bridge opening 2 of bridge and balance shaft bar 3, the auxiliary equipment of good other designing requirement of welding is promptly finished the preparatory processing on side deck 1 again; Second goes on foot, left and right sides deck 1 is spun upside down according to designing requirement be fixedly set on the frame assembly assembly welding frock clamping device 6, and after will 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 the 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, back axle positioning disk 23 inner external diameters match with back axle ring flange internal diameter, the outside that is sleeved on back axle ring flange 5 and fixing of matching with back axle ring flange external diameter, back axle positioning disk 23 outer ends is sleeved on gland 25 back axle positioning disk 23 outer ends again 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, the frame assembly assembly welding frock clamping device 6 and the back axle assembly welding frock clamping device that comprise 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 that have welded are turned, the first underdeck of welding tractor welds underdeck more again; The 5th step disassembled frame assembly assembly welding frock clamping device 6 and back axle assembly welding frock clamping device, promptly finished the welding job of frame assembly.
The present invention also can be provided with and the corresponding screw of 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 integral body.Also can be respectively arranged with screw at the center, two ends of back axle locating shaft seam 22, gland 25 is provided with the through hole that matches with the two ends screw of back axle locating shaft seam 22, adopts positioning disk hold-down screw 24 that gland 25 and back axle locating shaft seam 22 are connected into an integral body.
But the invention provides the high back axle assembly welding frock clamping device of a kind of simplified processing process and machining accuracy, 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, on back axle locating shaft seam 22, cooperate the thick inner thin trapezoidal round table-like back axle positioning disk 23 in suit outer end, 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 the inners 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 and the corresponding through hole of 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, and gland 25 is provided with the through hole that matches with the two ends screw of back axle locating shaft seam 22.
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, after only the water cutting method is located the position of each bridge opening at the beginning of processing on the side deck is carried out, again each bridge opening is worked into the final size of designing requirement, 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 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.
Description of drawings
Fig. 1 is the user mode structural representation of back axle assembly welding frock clamping device.
Fig. 2 is the side-looking structural representation of frame assembly.
Among the 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 frock 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 back axle assembly welding frock clamping device by designing requirement, and according to designing requirement on left and right sides deck 1, cut out comprise before and after each bridge opening 2 of bridge and balance shaft bar 3, the auxiliary equipment of good other designing requirement of welding is promptly finished the preparatory processing on side deck 1 again; Second goes on foot, left and right sides deck 1 is spun upside down according to designing requirement be fixedly set on the frame assembly assembly welding frock clamping device 6, and after will comprising that each balancing pole support 3 and the back rest weld; The 3rd step was sleeved on back axle ring flange 5 in the back axle bridge opening, back axle assembly welding frock clamping device was sleeved in the back axle ring flange 5 also fixing again; The 4th step, back axle ring flange 5 is welded on the side deck, weld propons ring flange 4 and gear-box bracket simultaneously, the frame assembly assembly welding frock clamping device 6 and the back axle assembly welding frock clamping device that comprise 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 that have welded are turned, the first underdeck of welding tractor welds underdeck more again; The 5th step disassembled frame assembly assembly welding frock clamping device 6 and back axle assembly welding frock clamping device, promptly finished the welding job of frame assembly.Consult Fig. 1 and Fig. 2.
The first step, process by designing requirement and to 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 constituted, and according to designing requirement on left and right sides deck 1, cut out comprise before and after each bridge opening 2 of bridge and balance shaft bar 3, the auxiliary equipment of good other designing requirement of welding is promptly finished the preparatory processing on side deck 1 again; Second goes on foot, left and right sides deck 1 is spun upside down according to designing requirement be fixedly set on the frame assembly assembly welding frock clamping device 6, and after will 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 the 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, back axle positioning disk 23 inner external diameters match with back axle ring flange internal diameter, the outside that is sleeved on back axle ring flange 5 and fixing of matching with back axle ring flange external diameter, back axle positioning disk 23 outer ends is sleeved on gland 25 back axle positioning disk 23 outer ends again 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, the frame assembly assembly welding frock clamping device 6 and the back axle assembly welding frock clamping device that comprise 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 that have welded are turned, the first underdeck of welding tractor welds underdeck more again; The 5th step disassembled frame assembly assembly welding frock clamping device 6 and back axle assembly welding frock clamping device, promptly finished the welding job of frame assembly.Consult Fig. 1 and Fig. 2.
Embodiment 3, and the present invention also can be provided with and the corresponding screw of 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 integral body.Also can be respectively arranged with screw at the center, two ends of back axle locating shaft seam 22, gland 25 is provided with the through hole that matches with the two ends screw of back axle locating shaft seam 22, adopts positioning disk hold-down screw 24 that gland 25 and back axle locating shaft seam 22 are connected into an integral body.Consult Fig. 1 and Fig. 2.
The present invention welds with the assembling of back axle ring flange and after being fixed on the car body by adopting the back axle special tooling again, thereby, be guaranteed for hole dimension in the back axle and tolerance and with the position and the accuracy of form and position of preceding bridge opening.After adopting method of the present invention with 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 (10)
1. back axle assembly welding method, it is characterized in that: the first step, process back axle assembly welding frock clamping device by designing requirement, and according to designing requirement on left and right sides deck (1), cut out comprise before and after each bridge opening (2) of bridge and balance shaft bar (3), the auxiliary equipment of good other designing requirement of welding is promptly finished the preparatory processing of side deck (1) again; Second step spun upside down left and right sides deck (1), is fixedly set on the frame assembly assembly welding frock clamping device (6) according to designing requirement, and after will comprising that each balancing pole support (3) and the back rest weld; The 3rd step was sleeved on back axle ring flange (5) in the back axle bridge opening, back axle assembly welding frock clamping device was sleeved in the back axle ring flange (5) also fixing again; The 4th step, back axle ring flange (5) is welded on the side deck, weld propons ring flange (4) and gear-box bracket simultaneously, the frame assembly assembly welding frock clamping device (6) and the back axle assembly welding frock clamping device that comprise 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 that have welded are turned, more first underdeck of welding tractor and underdeck; The 5th step disassembled frame assembly assembly welding frock clamping device (6) and back axle assembly welding frock clamping device, promptly finished the welding job of frame assembly.
2. back axle assembly welding method according to claim 1, it is characterized in that: the first step, process the back axle assembly welding frock 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) constitute by designing requirement, and according to designing requirement on left and right sides deck (1), cut out comprise before and after each bridge opening (2) of bridge and balance shaft bar (3), the auxiliary equipment of good other designing requirement of welding is promptly finished the preparatory processing of side deck (1) again; Second step spun upside down left and right sides deck (1), was fixedly set on the frame assembly assembly welding frock clamping device (6) according to designing requirement, 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 the 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) and fixing of matching with back axle ring flange external diameter, back axle positioning disk (23) outer end is sleeved on gland (25) back axle positioning disk (23) outer end again 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, the frame assembly assembly welding frock clamping device (6) and the back axle assembly welding frock clamping device that comprise 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 that have welded are turned, the first underdeck of welding tractor welds underdeck more again; The 5th step disassembled frame assembly assembly welding frock clamping device (6) and back axle assembly welding frock clamping device, promptly finished the welding job of frame assembly.
3. back axle assembly welding method according to claim 2, it is characterized in that: be provided with and the corresponding screw of 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 integral body.
4. back axle assembly welding method according to claim 2, it is characterized in that: the center, two ends at back axle locating shaft seam (22) is respectively arranged with screw, gland (25) is provided with the through hole that matches with the two ends screw of back axle locating shaft seam (22), adopts positioning disk hold-down screw (24) that gland (25) and back axle locating shaft seam (22) are connected into an integral body.
5. back axle assembly welding frock clamping device, it is characterized in that: it comprises back axle locating shaft (21), round table-like back axle locating shaft seam (22), back axle positioning disk (23) and gland (25), at the thin trapezoidal round table-like back axle locating shaft seam (22) in the thick outer end, affixed the inner, two ends of back axle locating shaft (21), go up to cooperate the thick inner thin trapezoidal round table-like back axle positioning disk (23) in suit outer end, gland (25) is installed in the outer end of back axle positioning disk (23) at back axle locating shaft seam (22).
6. back axle assembly welding frock clamping device according to claim 5, 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).
7. back axle assembly welding frock clamping device according to claim 5 is characterized in that: back axle positioning disk (23) is inner to be become to closely cooperate with the back axle ring flange.
8. back axle assembly welding frock clamping device according to claim 5 is characterized in that: the external diameter of back axle positioning disk (23) outer end equals the external diameter of back axle ring flange.
9. back axle assembly welding frock clamping device according to claim 5 is characterized in that: be provided with and the corresponding through hole of back axle ring flange (5) screw at back axle positioning disk (23) outer end circumference.
10. back axle assembly welding frock clamping device according to claim 5, it is characterized in that: the center, two ends at back axle locating shaft seam (22) is respectively arranged with screw, and gland (25) is provided with the through hole that matches with the two ends screw of back axle locating shaft seam (22).
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 |
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| Publication Number | Publication Date |
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| CN102218617A true CN102218617A (en) | 2011-10-19 |
| CN102218617B CN102218617B (en) | 2014-01-01 |
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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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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN103008956A (en) * | 2012-12-27 | 2013-04-03 | 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 |
| WO2019157396A3 (en) * | 2018-02-09 | 2020-05-07 | Conxtech, Inc. | Methods and apparatus for assembly of moment connection components |
| CN112872677A (en) * | 2020-12-24 | 2021-06-01 | 上海洪铺钢结构工程有限公司 | Device for welding steel structure |
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| 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 |
| WO2019157396A3 (en) * | 2018-02-09 | 2020-05-07 | Conxtech, Inc. | Methods and apparatus for assembly of moment connection components |
| GB2585307A (en) * | 2018-02-09 | 2021-01-06 | Conxtech Inc | Methods and apparatus for assembly of moment connection components |
| GB2585307B (en) * | 2018-02-09 | 2023-04-12 | Conxtech Inc | Methods and apparatus for assembly of moment connection components |
| US11717919B2 (en) | 2018-02-09 | 2023-08-08 | Conxtech, Inc. | Methods and apparatus for assembly of moment connection components |
| CN112872677A (en) * | 2020-12-24 | 2021-06-01 | 上海洪铺钢结构工程有限公司 | Device for welding steel structure |
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|---|---|
| CN102218617B (en) | 2014-01-01 |
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Inventor after: Xiao Chengqing Inventor after: Shao Zhinong Inventor after: Ding Haoguang Inventor after: Hu Xinming Inventor after: Chen Zonggui Inventor after: Wu Xianzhong Inventor before: Shao Zhinong Inventor before: Ding Haoguang Inventor before: Hu Xinming Inventor before: Chen Zonggui Inventor before: Wu Xianzhong |
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