CN104289906A - Integrated device for group welding, hoisting, machining and assembling of end chassis of rail vehicle - Google Patents
Integrated device for group welding, hoisting, machining and assembling of end chassis of rail vehicle Download PDFInfo
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- CN104289906A CN104289906A CN201410503310.5A CN201410503310A CN104289906A CN 104289906 A CN104289906 A CN 104289906A CN 201410503310 A CN201410503310 A CN 201410503310A CN 104289906 A CN104289906 A CN 104289906A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
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- Mechanical Engineering (AREA)
- Leg Units, Guards, And Driving Tracks Of Cranes (AREA)
Abstract
The invention provides an integrated device for group welding, hoisting, machining and assembling of an end chassis of a rail vehicle. The integrated device comprises a body frame, wherein according to the cross-section shape, the body frame is formed by connecting a U-shaped body with double L-shaped bodies in a butt joint mode. The end of the long side of each L-shape body is connected with one end of a U-shaped opening in a butt joint mode, and the direction of the short side of each L-shaped body is the same as the direction of the U-shaped opening. The inner bottom of a U-shaped groove of the body frame is provided with two bottom fastening mechanisms and two distance adjusting mechanisms, the two side walls of the U-shaped groove of the body frame are each provided with a side direction fastening mechanism and a distance adjusting mechanism, and the end of the short side of each L-shaped body of the body frame is provided with an end fastening mechanism. The outer wall of the bottom of the U-shaped groove is provided with hoisting beams matched with a hoist. Supporting beams are arranged between the outer wall of the U-shaped groove and the long walls of the L-shaped bodies and used for connecting the outer wall of the U-shaped groove with the long walls of the L-shaped bodies. The integrated device has the advantages of being simple in structure, low in cost, capable of preventing the end chassis from deforming and applicable to the production links of welding, hoisting, machining and assembling, lowering the manufacturing cost, and improving the production efficiency.
Description
Technical field
The present invention relates to a kind of technological equipment, specifically relate to low-floor rail vehicle and assembly welding, lifting, processing and assembling integrated device are carried out to end underframe.
Background technology
Low-floor rail vehicle end underframe is the key structure docked with bogie, in vehicle body of railway vehicle manufacture process, end underframe needs first to carry out assembly welding to sheet material and carries out machined again, then carrying out upset calls in car body assembly tool, and finally this underframe is assembled with car body other parts again.
Because car body end underframe has distinctive big cross section thin plate box design feature, as shown in Figure 1, its length and width are equal more than two meters, complex-shaped extremely irregular again, therefore will produce very large error in assembly welding process.After integrally welded, need to enter next machining procedure, because its features of shape cannot carry out handling again.When carrying out machined, due to its large and thin feature (sheet metal thickness only has several millimeters), be difficult to ensure precision, product percent of pass is low.In addition, due to by end underframe effect of weight, underframe assembly welding complete to be assembled to car body before this process, due to its poor rigidity, underframe itself also can produce certain distortion, the assembly precision of the last and car body of impact.
At present, on underframe, temporary weld many places technique beam, to strengthen the rigidity of structure and to lift, is laid down after last assembling again in the fabrication process.Its drawback is: 1. the reinforcement mode of welding procedure beam, and error is too large, and the parts accuracy of manufacture is not high, easily produces waste product; 2., according to design feature, need diverse location different directions to weld the technique beam of more than at least five, being arranged in machined and assembling process of some technique beams also hinders normally carrying out of operation; 3. namely technique beam damages for about 3 times in use circulation, again need make, cause the waste of material; 4. technique beam adopts the means of permanent attachment of welding, and dismounting bothers and easily damages parts.
Summary of the invention
Main purpose of the present invention is to solve the problem, provide and a kind ofly avoid the distortion of end underframe, ensure end underframe precision, reduce manufacturing cost, the rail vehicle end underframe assembly welding of enhancing productivity, lifting, processing and assembling integrated device.
For achieving the above object, rail vehicle end of the present invention underframe assembly welding, lifting, processing and assembling integrated device, it comprises: cross sectional shape is the U-shaped and double L-shaped main frame docked, the end on the long limit of each L-type is docked with an end of U-shaped mouth respectively, and L-type short side direction is consistent with U-shaped opening direction; Described main frame is positioned at U-type groove inner bottom part and is provided with retention mechanism and spacing adjusting mechanism bottom two covers, be positioned on U-type groove two side and be respectively provided with a set of side direction retention mechanism and spacing adjusting mechanism, be positioned at L-type minor face end and be provided with end retention mechanism, the wherein spacing adjusting mechanism top screw that is screwed onto the stud on main frame and is spirally connected with stud, described top screw top is provided with chain-wales; Bottom retention mechanism comprises the stud and double nut that are fixed on main frame; Side direction retention mechanism comprise B-mode pressing plate and be fixed on the bolt of main frame, the reverse pillar be screwed onto on main frame, the middle part of described pressing plate is screwed onto on bolt, and pressing plate two ends lay respectively at the homonymy of reverse pillar and spacing adjusting mechanism; The nut that described end retention mechanism comprises the bolt be fixed on main frame, is enclosed within the flat clamp on bolt and is screwed onto on bolt; At the bottom of described U-type groove, outer wall is provided with the hoisting beam of joining with crane; Connect U-type groove outer wall and between L-type longwell, be provided with the brace summer both being connected.
When using device of the present invention, first by the position of top screw at the bottom of adjustment U-type groove, top screw is utilized to adjust spacing, chain-wales on described top screw can be played a supporting role to thin plate and can not damage thin plate, reaching the object of quick adjustment by rotating top screw, meeting the fast quick change of product and producing requirement; Then by the nut sleeve of in the fixed mechanism of bottom on stud, the horizontal thin plate in centre position, with after height, places by adjusting nut and top screw, and by another nut screwing clamping of bottom fixed mechanism, symmetrical, thus complete the location of this thin plate and fixing.Double nut is placed in the both sides of thin plate respectively, and play the same with top screw of the nut wherein inside thin plate regulates and supporting role, and the nut outside thin plate plays fastening effect.Secondly, the top screw of U type groove two sidewalls is adjusted, treat that two pieces of thin plates of the side direction of assembly welding are placed in top screw side, top screw is utilized to adjust spacing between two thin plates, the B-mode pressing plate of side direction retention mechanism is arranged on bolt, rotating reverse pillar again makes column cap end face parallel with hold-down plate surface, last screwing bolts, thus completes pressing plate fixing two side direction thin plates.Finally, the horizontal thin plate of end positions is enclosed within the bolt of end retention mechanism, then flat clamp on cover, last tightening nut, thus completes fixing this thin plate.Spacing adjusting mechanism on main frame U-type groove inner bottom part and sidewall can regulate different in width end underframe within the scope of differing heights within the scope of 750mm ~ 850mm and 2300mm ~ 2400mm.
The each main thin plate of end underframe is fixed on after on this device, the more whole device with end underframe is positioned in assembly welding frock, thus ensures the relative position of each thin plate and the welding deformation of all directions when welding, thus ensure that welding precision; When welding complete needs and carrying out next operation, crane is utilized to lift by crane hoisting beam set on main frame, because end underframe is fixed by main frame, lifting force is transferred on the strong main frame of rigidity, thus is completed smoothly under making to be lifted on the impregnable situation of guarantee end underframe; In machined and later and in the assembling of car body, because this device shape is little, to occupy little space and an end underframe is only equipped with one, the carrying out of any operation after therefore can not affecting; This external underframe assembly welding complete to be assembled to car body before whole process, because this device is all fixed on the underframe of end, underframe is fixed by this device always and is supported, and largely prevents the distortion of underframe.
The present invention is by the Theoretical Proof to track vehicle end underframe positioning tool, three-dimensional simulation analysis and on-site verification optimization, adopt integral structure, structure is simple, with low cost, compromise end underframe assembling and positioning can clamp, prevents welding deformation and handling fixation.Thus solve the problems such as low-floor rail vehicle locating bias, post welding distortion, processing dimension skew, avoid the distortion in the assembling of end underframe, handling and welding process, improve assembly precision and welding, working (machining) efficiency, reduce manufacturing cost.In addition, the generalization of this device is strong, and the end underframe of the applicable different model of same device, can reduce follow-up vehicle frock making expense greatly, improves Product Process and prepares quality, reduces the technological preparation cycle.This device uses in the assembling of end underframe, welding, machined, handling process, reaches the effect of multipurpose, low cost, high stability.
In order to reach better effect, rail vehicle end of the present invention underframe assembly welding, lifting, processing and assembling integrated device can also adopt following measures: further, described hoisting beam is the bar ellbeam being provided with some circular holes.To utilize on bar ellbeam set circular hole to coordinate the lifting of underframe with crane, some circular holes can to play fine setting when lifting.
Accompanying drawing explanation
Fig. 1 is rail vehicle end underframe three-dimensional profile figure of the present invention.
Fig. 2 is the front view of the embodiment of the present invention.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is along A-A cutaway view Amplified image in Fig. 3.
Fig. 5 is along B-B cutaway view Amplified image in Fig. 3.
Fig. 6 is the graphics that the embodiment of the present invention is connected with workpiece.
In figure, each piece number illustrates:
1-main frame, 2-end retention mechanism, 3-side direction retention mechanism, 4-hoisting beam, 5-brace summer, retention mechanism bottom 6-, 7-spacing adjusting mechanism; 8-top screw, 9-stud; 10-bolt; The B-mode pressing plate of 11-; The reverse pillar of 12-; 13-nut; 14-flat clamp; 15-thin plate.
Detailed description of the invention
Below in conjunction with accompanying drawing, 2 to 6 couples of the present invention are described in further detail.
As shown in Figures 2 and 3, rail vehicle end of the present invention underframe assembly welding, lifting, processing and assembling integrated device structure as follows.
Main frame 1, its cross sectional shape is U-shapedly to dock with double L-shaped, and the end on the long limit of each L-type is docked with an end of U-shaped mouth respectively, and L-type short side direction is consistent with U-shaped opening direction.
The reverse pillar side-walls that described main frame 1 is positioned at U-type groove is provided with some retention mechanisms and spacing adjusting mechanism, is positioned at L-type short end portion and is respectively equipped with retention mechanism; At the bottom of described U-type groove, outer wall is provided with the hoisting beam of joining with crane; Connect U-type groove outer wall and between L-type longwell, be provided with the brace summer both being connected.
As shown in Figure 5, described spacing adjusting mechanism 7, comprise the stud 9 be screwed onto on main frame 1 and the top screw 8 coordinated with bolt, described top screw 8 top is provided with chain-wales.Described chain-wales can be played a supporting role to thin plate 15 and can not damage thin plate, reaches the object of quick adjustment by rotating top screw, meets the fast quick change of product and produces requirement.
As shown in Figure 5, bottom retention mechanism 6, bottom retention mechanism comprises stud 9 on stationary body frame 1 and double nut 13.Double nut 13 is placed in the both sides of thin plate 15 respectively, and play the same with top screw 8 of the nut 13 wherein inside thin plate 15 regulates and supporting role, and the nut 13 outside thin plate 15 plays fastening effect.
As shown in Figure 5, side direction retention mechanism 3, comprise B-mode pressing plate 11 and be fixed on the stud 9 on main frame 1, the reverse pillar 12 be screwed onto on main frame, the middle part of described pressing plate 11 is screwed onto on stud 9, and pressing plate 10 two ends lay respectively at the homonymy of reverse pillar 12 and top screw 8.Treat that the thin plate 15 of assembly welding is placed in top screw 8 side, after utilizing top screw 9 to adjust thin plate 15 spacing, pressing plate 11 is arranged on stud 9, then rotates reverse pillar 12 and make column cap end face and pressing plate 11 parallel, finally tight a bolt 10, thus complete pressing plate 11 fixing corresponding thin plate 15.
As shown in Figure 4, end retention mechanism 2, the nut 13 comprising the bolt 10 in stationary body frame end portion, be enclosed within the flat clamp 14 on bolt 10 and be screwed onto on bolt 10.Thin plate 15 relevant position is enclosed within bolt 10, then presses flat clamp 14, last tightening nut 13, thus complete fixing corresponding thin plate 15.
As shown in Figure 2, hoisting beam 4, for being provided with the bar ellbeam of some circular holes.To utilize on bar ellbeam set circular hole and crane to complete the lifting of underframe, some circular holes can to play fine setting when lifting.
Brace summer 5 as shown in Figure 2, connects U-type groove outer wall and L-type longwell, improves the rigidity of device.
Fig. 6 shows the installation relation between end underframe and the present embodiment.
As mentioned above, plan content given in conjunction with the accompanying drawings and embodiments, can derive similar technical scheme.In every case be the content not departing from technical solution of the present invention, any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (2)
1. a rail vehicle end underframe assembly welding, lifting, processing and assembling integrated device, it is characterized in that comprising: cross sectional shape is the U-shaped and double L-shaped main frame docked, the end on the long limit of each L-type is docked with an end of U-shaped mouth respectively, and L-type short side direction is consistent with U-shaped opening direction; Described main frame is positioned at U-type groove inner bottom part and is provided with retention mechanism and spacing adjusting mechanism bottom two covers, be positioned on U-type groove two side and be respectively provided with a set of side direction retention mechanism and spacing adjusting mechanism, be positioned at L-type minor face end and be provided with end retention mechanism, the wherein spacing adjusting mechanism top screw that is screwed onto the stud on main frame and is spirally connected with stud, described top screw top is provided with chain-wales; Bottom retention mechanism comprises the stud and double nut that are fixed on main frame; Side direction retention mechanism comprise B-mode pressing plate and be fixed on the bolt of main frame, the reverse pillar be screwed onto on main frame, the middle part of described pressing plate is screwed onto on bolt, and pressing plate two ends lay respectively at the homonymy of reverse pillar and spacing adjusting mechanism; The nut that described end retention mechanism comprises the bolt be fixed on main frame, is enclosed within the flat clamp on bolt and is screwed onto on bolt; At the bottom of described U-type groove, outer wall is provided with the hoisting beam of joining with crane; Connect U-type groove outer wall and between L-type longwell, be provided with the brace summer both being connected.
2. according to claim 1 rail vehicle end underframe assembly welding, lifting, processing and assembling integrated device, it is characterized in that described hoisting beam is the bar ellbeam being provided with some circular holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410503310.5A CN104289906B (en) | 2014-09-28 | 2014-09-28 | Rail vehicle end underframe assembly welding, lift, process and assemble integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410503310.5A CN104289906B (en) | 2014-09-28 | 2014-09-28 | Rail vehicle end underframe assembly welding, lift, process and assemble integrated device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104289906A true CN104289906A (en) | 2015-01-21 |
| CN104289906B CN104289906B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410503310.5A Active CN104289906B (en) | 2014-09-28 | 2014-09-28 | Rail vehicle end underframe assembly welding, lift, process and assemble integrated device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04323422A (en) * | 1991-04-23 | 1992-11-12 | Katsunori Tanada | Safe gripping device for heavy weight article |
| CN201371341Y (en) * | 2009-02-19 | 2009-12-30 | 唐山轨道客车有限责任公司 | Assembly welding device for chassis of high-speed electric multiple units |
| CN201619579U (en) * | 2009-10-27 | 2010-11-03 | 青岛四方庞巴迪铁路运输设备有限公司 | Modularized assembly structure of railway vehicle chassis |
| CN103143828A (en) * | 2011-12-06 | 2013-06-12 | 南车青岛四方机车车辆股份有限公司 | Assembling and spot-welding integral tooling for side wall skeleton of track vehicle |
| CN203820278U (en) * | 2014-05-16 | 2014-09-10 | 陕西重型汽车有限公司 | Tooling mechanism for overturning frame |
| CN204277435U (en) * | 2014-09-28 | 2015-04-22 | 南车青岛四方机车车辆股份有限公司 | Rail vehicle end underframe assembly welding, lifting, processing and assembling integrated device |
-
2014
- 2014-09-28 CN CN201410503310.5A patent/CN104289906B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04323422A (en) * | 1991-04-23 | 1992-11-12 | Katsunori Tanada | Safe gripping device for heavy weight article |
| CN201371341Y (en) * | 2009-02-19 | 2009-12-30 | 唐山轨道客车有限责任公司 | Assembly welding device for chassis of high-speed electric multiple units |
| CN201619579U (en) * | 2009-10-27 | 2010-11-03 | 青岛四方庞巴迪铁路运输设备有限公司 | Modularized assembly structure of railway vehicle chassis |
| CN103143828A (en) * | 2011-12-06 | 2013-06-12 | 南车青岛四方机车车辆股份有限公司 | Assembling and spot-welding integral tooling for side wall skeleton of track vehicle |
| CN203820278U (en) * | 2014-05-16 | 2014-09-10 | 陕西重型汽车有限公司 | Tooling mechanism for overturning frame |
| CN204277435U (en) * | 2014-09-28 | 2015-04-22 | 南车青岛四方机车车辆股份有限公司 | Rail vehicle end underframe assembly welding, lifting, processing and assembling integrated device |
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| CN104289906B (en) | 2016-08-17 |
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Address after: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Applicant after: CRRC QINGDAO SIFANG CO., LTD. Address before: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Applicant before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
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