CN102616291B - Detachable flat car - Google Patents
Detachable flat car Download PDFInfo
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- CN102616291B CN102616291B CN201110028733.2A CN201110028733A CN102616291B CN 102616291 B CN102616291 B CN 102616291B CN 201110028733 A CN201110028733 A CN 201110028733A CN 102616291 B CN102616291 B CN 102616291B
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- side bar
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- 238000003466 welding Methods 0.000 claims description 26
- 239000000725 suspension Substances 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 7
- 230000000994 depressogenic effect Effects 0.000 claims description 6
- 239000011324 bead Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract 5
- 244000261422 Lysimachia clethroides Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
A detachable flat car comprises a car frame body, a front end beam, a plurality of penetrating beams, two side beams and a rear end beam. The car frame body comprises two main beams arranged longitudinally in parallel and a plurality of connecting beams welded between the two main beams. The car frame body is disposed between the two side beams. The front end beam is perpendicularly connected at one ends of the two side beams and the two main beams. The rear end beam is perpendicularly connected at the other ends of the two side beams and the two main beams. The plurality of penetrating beams are connected on the two main beams in a horizontal penetrating mode and perpendicularly connected between the two side beams. The front end beam and the rear end beam are detachably connected with the side beams, the front end beam and the rear end beam are detachably connected with the main beams, the penetrating beams are detachably connected with the side beams, and the penetrating beams are detachably connected with the main beams. The detachable flat car is convenient to transport and low in transport cost, widens target scope of products, facilitates modular replacement of parts and lowers maintenance difficulty due to the fact that the flat car is designed to be detachable modules.
Description
Technical field
The present invention relates to a kind of flat truck, especially relevant with structure and the connection mode of each parts on flat truck.
Background technology
Flat truck mainly comprises: the side bar that two parallel longitudinals arrange, two girders between side bar, one horizontal welding is at the front beam of two girders and two side bar front ends, one horizontal welding is at the back end beam of two girders and rear end, both sides, the many crossbeams and two that are welded on two girders between front beam and back end beam and lateral separation are separately positioned on underframe both sides ragged edge the side bar with transverse ends weld together, front beam, back end beam and two side bars are welded to each other and connect the housing that surrounds flat truck underframe, hang assembly in the each welding one in the bottom of two girders, below suspension assembly, axletree and wheel are installed.
As can be seen here, the each several part on flat truck underframe of the prior art all adopts and is welded to connect, and it has following defect: welding job amount is large, big for environment pollution, and welding product requirement produce line is longer, is unfavorable for tissue production, and the production cycle is long; Once certain part on flat truck is damaged, and will employ gas cutting, destroy the surface paint of product, and contaminated environment; Flat truck each several part on underframe in the time dispatching from the factory is welded into a whole and carries out stacking transport, and because underframe build is huge, is inconvenient to transport, and underframe each several part irregular structure, so when can not be compact stacking, conveying efficiency be low, traffic cost is high.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiency that above-mentioned prior art exists, and a kind of fast demountable is provided, is convenient to transport, detachable flat car for ease of maintenaince.
For solving the problems of the technologies described above, the invention provides a kind of detachable flat car, comprise: a main body of vehicle frame, one front beam, wear beam for many, two side bars and a back end beam, described main body of vehicle frame comprises: the girder of two parallel longitudinal settings and many root beads are connected on the tie-beam between two girders, described main body of vehicle frame is arranged between two side bars, described front beam is vertically connected on one end of described two side bars and described two girders, described back end beam is vertically connected on the other end of described two side bars and described two girders, on described two girders, be provided with multiple through holes, wear beam and penetrate each through hole and laterally run through and be connected on two girders and be vertically connected between two side bars for described many, before described, back end beam, and being connected between described side bar, before described, back end beam, and being connected between described girder, described wearing being connected between beam and described side bar, and, described wearing being connected to be and removably connecting between beam and described girder.
Further, each girder comprises: girder upper flange, girder lower wing plate and be vertically connected on the upper and lower wing plate of girder, between girder web plate.
Further, described front beam comprises: a front beam main body, two protruding front beam main bodys are also welded on girder connecting panel and the two protruding front beam main bodys at front beam main body middle part and are welded on the side bar connecting panel at front beam main body two ends, the part of stretching out front beam main body of two girder connecting panels respectively arranges one group of connecting bore and removably connects with two girders with corresponding, and the part of stretching out front beam main body of two side bar connecting panels respectively arranges one group of connecting bore and removably connects with two side bars with corresponding.
Further, at the front end of two girders, one step is respectively set, a front beam connecting panel is welded respectively in the step position of each girder, and described front beam main body is placed on two front beam connecting panels and with front beam connecting panel and removably connects.
Further, described front beam connecting panel comprises a Part I and the Part II with respect to Part I smooth curved, described Part I welds with girder lower wing plate and girder web plate respectively, described Part II and the welding of described girder web plate, the end face level of described Part II, described front beam main body is placed on described Part II.
Further, the described beam of wearing comprises: wear beam main body and be welded on the shrouding of wearing beam main body two ends, the described beam main body of wearing comprises: wear beam upper flange, wear lower flange of girder plate and be vertically connected on and wear beam upper flange and wear the web of wearing between lower flange of girder plate, wear beam upper flange and be parallel to and wear lower flange of girder plate; Described two ends, top of wearing web are all recessed to form two steps downwards, described in wear beam upper flange between two steps; Described shrouding is L-shaped, comprise: a Part I and the Part II perpendicular to Part I, the Part I of two shroudings is welded on respectively the step position of wearing two ends, web top, the two ends of wearing web described in the Part II of two shroudings is welded on respectively, and also weld with the described lower flange of girder plate of wearing the bottom of shrouding Part II.
Further, described in wear the position that beam main body runs through two girders in correspondence and be recessed to form respectively two depressed parts downwards, wear the end face of other parts and the end face of each girder of beam main body except this two depressed part concordant.
Further, described in, wear beam upper flange, wear web and wear lower flange of girder plate and be straight plate.
Further, described through hole is arranged on girder web plate, in through hole, be welded with to removably connect wear web wear beam connecting panel, be provided with connecting bore in the connection location correspondence of wearing beam connecting panel and wearing web.
Further, described in wear and the welding vertical with girder upper flange of beam connecting panel, and and welding vertical with girder web plate, is provided with at the top of wearing beam connecting panel and supplies the fluting that passes of girder web plate.
Further, both sides at described main body of vehicle frame are also respectively provided with one group of diagonal brace, each diagonal brace in every group of diagonal brace lays respectively at the below of respectively wearing beam, and one end of each diagonal brace and girder web plate removably connect, the other end of each diagonal brace with wear lower flange of girder plate and removably connect.
Further, described flat truck also comprises two groups of crossbeams, and two groups of crossbeams are between two side bars and lay respectively at the outside, both sides of main body of vehicle frame, and, two groups of crossbeams all described front beam and described in wear between beam.
Further, each crossbeam comprises: a main body of cross-beam and two is welded on respectively the shrouding at main body of cross-beam two ends, wherein on a shrouding, be provided with one group of connecting bore in order to removably connect with girder, on another shrouding, be provided with one group of connecting bore in order to removably connect with side bar.
Further, described side bar comprises: side bar upper flange, side bar lower wing plate and be connected to side bar upper flange and side bar lower wing plate between side bar web, described side bar upper flange and side bar lower wing plate are all positioned at the same side of described side bar web; At the front end of side bar web, one group of first connecting bore in order to removably connect with front beam is set, rear end arranges one group of second connecting bore in order to removably connect with back end beam, on side bar web, be also provided with one group in order to wear the 3rd connecting bore that beam removably connects and one group the 4th connecting bore in order to removably connect with crossbeam, this group the 3rd connecting bore and this group the 4th connecting bore are all between this group the first connecting bore and this group the second connecting bore.
Further, described flat truck also comprises that two groups are hung assembly, each assembly that hangs includes: be detachably connected on front frame, medium-height trestle and after poppet on each girder lower wing plate, all weld a suspension connecting panel on the top of described front frame, medium-height trestle and after poppet, on described suspension connecting panel and each girder lower wing plate, all correspondence is provided with connecting bore.
Further, described flat truck also comprises a pair of bracing or strutting arrangement that is detachably connected on two girder front portions, on the web of two girders, each welding one is in order to connect the supporting leg seat of each bracing or strutting arrangement, and the outer of supporting leg seat does not exceed the outer of connected main body of vehicle frame, is provided with connecting bore at the connection location of bracing or strutting arrangement and supporting leg seat.
Further, in the rear end of two girders, one step is respectively set, a back end beam connecting panel is welded respectively in the step position of each girder, and described back end beam is placed on two back end beam connecting panels and with back end beam connecting panel and removably connects.
Further, described back end beam connecting panel comprises: a Part I with extend by vertical bending of Part I the Part II that forms, Part I is and welding vertical with girder lower wing plate with girder web plate respectively, Part II also welding vertical with girder web plate, described Part II is horizontally disposed with, described back end beam main body is placed on the Part II of back end beam connecting panel, is provided with one group of connecting bore in order to removably connect with back end beam bottom surface on the Part II of back end beam connecting panel.
Further, described back end beam connecting panel also comprises: a Part III, described Part III vertically bends extension by described Part II and forms, Part III is and welding vertical with girder upper flange with girder web plate respectively, is provided with one group of connecting bore in order to removably connect with the front end face of back end beam on Part III.
Further, described flat truck also comprises: a rear bumper assembly, described rear bumper assembly comprises: two vertical beams and that are detachably connected on respectively two girder bottoms are welded on the whippletree of two vertical beam bottoms, are provided with connecting bore at the end face of described two vertical beams and the bottom surface correspondence of two girders.
Useful technique effect of the present invention is: because flat truck is split into main body of vehicle frame and is detachably arranged on multiple modules such as front beam, Chuan Liang, crossbeam, side bar, suspension assembly, back end beam, bracing or strutting arrangement and rear bumper assembly on main body of vehicle frame, while dispatching from the factory, multiple modules are hidden in the inside of main body of vehicle frame and carry out packed and transported, due to the regular shape of main body of vehicle frame, so convenient compact stacking, greatly improve conveying efficiency, reduce traffic cost, also expanded the input scope of product.In addition, because flat truck is designed to each detouchable unit module, so, facilitate the modularization of parts to change, reduce maintenance difficulty.
Brief description of the drawings
Fig. 1 is the structural representation of detachable flat car.
Fig. 2 A is the structural representation of flat truck underframe.
The decomposition texture schematic diagram of flat truck underframe shown in Fig. 2 B Fig. 2 A.
Fig. 3 is the structural representation of main body of vehicle frame.
Fig. 4 is the johning knot composition of front beam and girder and side bar.
Fig. 5 is the structural representation of wearing beam the first embodiment.
Fig. 6 is the structural representation of wearing beam the second embodiment.
Fig. 7 is the structural representation of crossbeam the first embodiment.
Fig. 8 is the exploded drawings of crossbeam shown in Fig. 7.
Fig. 9 is the right elevation of crossbeam shown in Fig. 8.
Figure 10 is the structural representation of crossbeam the second embodiment.
Figure 11 is the structural representation of crossbeam the 3rd embodiment.
Figure 12 is the structural representation of side bar.
Figure 13 is the section drawing of side bar the first embodiment.
Figure 14 is the section drawing of side bar the second embodiment.
Figure 15 is the structural representation of side bar the 3rd embodiment.
Figure 16 hangs assembly to be arranged on the structural representation on girder.
Figure 17 is the structural representation of back end beam one angle.
Figure 18 is the structural representation of another angle of back end beam.
Figure 19 is the exploded drawings of back end beam shown in Figure 18.
Figure 20 is the structural representation of girder connecting panel.
Figure 21 is the structural representation of main beam rear end and back end beam connecting panel the first embodiment.
Figure 22 is the structural representation of back end beam main body the second embodiment.
Figure 23 is the structural representation of back end beam main body the 3rd embodiment and upper girder connecting panel thereof.
Figure 24 is the structural representation of back end beam connecting panel the second embodiment.
Detailed description of the invention
The present invention is in the time describing orientation, and the direction of normally travelling taking flat truck is front, and taking front, relative the opposing party is rear.
Consult Fig. 1, detachable flat car comprises: underframe 100, be arranged on wheel set 101 on underframe 100, spare tyre assembly 102, guard rail assembly 103, toolbox assembly 104, hang assembly 6 and bracing or strutting arrangement 8 etc.Wheel set 101 is arranged on the below at underframe rear portion by hanging assembly 6, it adopts removably to be connected with suspension assembly 6, bracing or strutting arrangement 8 is detachably connected on forward position, underframe middle part, spare tyre assembly 102, guard rail assembly 103, toolbox assembly 104 are between bracing or strutting arrangement 8 and wheel set 101, and it also adopts removably to be connected with underframe 100.
The structure of wheel set 101, spare tyre assembly 102, guard rail assembly 103 and toolbox assembly 104 is identical with other flat truck in prior art, repeats no more herein.The structure that mainly introduce in detail by reference to the accompanying drawings underframe 100 below, hangs assembly 6 and bracing or strutting arrangement 8.
In conjunction with consulting Fig. 2 A, Fig. 2 B, underframe comprises: a main body of vehicle frame 1, a front beam 2, many are worn beam 3, many crossbeams 4, two side bars 5, a back end beam 7 and rear bumper assemblies 9.Consult Fig. 3, main body of vehicle frame 1 comprises: the girder 11 of two parallel longitudinal settings and many root beads are connected between two girders 11 in order to connect the tie-beam 12 of two girders 11.Each girder 11 includes: girder upper flange 111, girder lower wing plate 113 and vertical welding (or one-body molded) girder web plate 112 between the upper and lower wing plate 111,113 of girder.The cross-sectional width of girder web plate 112 front portions is less than the cross-sectional width at its rear portion, makes girder 11 on its length direction, be divided into anterior gooseneck portion and the main part two parts at rear portion.Return hospitality and consult Fig. 2 A, Fig. 2 B, main body of vehicle frame 1 is arranged between two side bars 5, front beam 2 is vertically connected on the front end of two side bars 5 and two girders 11, back end beam 7 is vertically connected on the rear end of two side bars 5 and two girders 11, wearing beam 3 for many laterally runs through on the main part that is connected to two girders 11 and is vertically connected between two side bars 5, it is outside and between two side bars 5 that many crossbeams 4 are divided into two groups of both sides that are arranged on main body of vehicle frame 1, and the two ends of each crossbeam 4 are also connected with girder 11 is vertical with side bar 5 respectively.Herein, being connected between forward and backward end carriage 2,7 and side bar 5, being connected between forward and backward end carriage 2,7 and girder 11, wear being connected between beam 3 and side bar 5, wear being connected between beam 3 and girder 11, being connected between crossbeam 4 and girder 11, and being connected be between crossbeam 4 and side bar 5 removably connects.
Consult Fig. 4, front beam 2 comprises: a front beam main body 21, two protruding front beam main bodys 21 are also welded on girder connecting panel 211 and the two protruding front beam main bodys 21 at front beam main body 21 middle parts and are welded on the side bar connecting panel 212 at front beam main body 21 two ends.The part of stretching out front beam main body 21 of two girder connecting panels 211 is respectively provided with one group of connecting bore, respectively be provided with one group of corresponding connecting bore at two girder web plates 112 near the position of its front end, in the time that front beam 2 is installed on main body of vehicle frame 1, the part of stretching out front beam main body 21 of two girder connecting panels 211 of front beam is attached to inner face or the outside of girder web plate 112, and the two is realized and being removably connected by fastener.The part of stretching out front beam main body 21 of two side bar connecting panels 212 respectively arranges one group of connecting bore, respectively be provided with one group of corresponding connecting bore at both sides web 52 near the position of its front end, in the time that front beam 2 is installed on main body of vehicle frame 1, the part of stretching out front beam main body 21 of two side bar connecting panels 212 of front beam is attached to the inner face of side bar web 52, and the two is realized and being removably connected by fastener.At the front end of two girders 11, a step 1121 is respectively set, a front beam connecting panel 117 is welded respectively in step 1121 positions of each girder 11, front beam connecting panel 117 comprises: a Part I 1171 and the Part II 1172 with respect to Part I 1171 smooth curved, Part I 1171 welds with girder lower wing plate 113 and girder web plate 112 respectively, Part II 1172 welds with girder web plate 112, and the end face level of Part II 1172, in the time that front beam 2 is installed on main body of vehicle frame 1, front beam main body 21 is placed on the Part II 1172 of two front beam connecting panels 117, on the Part II 1172 of front beam connecting panel 117, be provided with one group of connecting bore, the position contacting with the Part II 1172 of two front beam connecting panels 117 in front beam main body 21 is provided with one group of corresponding connecting bore, the two is realized and being removably connected by fastener.
Consult Fig. 5, wear beam 3 and comprise: wear beam main body 31 and be welded on the shrouding 32 of wearing beam main body 31 two ends.Wearing beam main body 31 comprises: wear beam upper flange 311, wear lower flange of girder plate 313 and be vertically connected on to wear beam upper flange 311 and wear and wear web 312 between lower flange of girder plate 313.Wearing beam upper flange 311 is parallel to and wears lower flange of girder plate 313.The two ends, top of wearing web 312 are all recessed to form two steps (not shown) downwards, wear beam upper flange 311 and are positioned between two steps (not shown).Shrouding 32 is L-shaped, comprising: a Part I 321 and the Part II 322 perpendicular to Part I 321.The Part II 322 of two shroudings 32 is welded on respectively the two ends of wearing web 312, and the bottom of shrouding 32 Part II 322 also with wear lower flange of girder plate 313 and weld, the Part I 321 of two shroudings 32 is welded on respectively the step position of wearing web 312 two ends, top, so that the end face of the Part I 321 of two shroudings 32 is lower than the end face of wearing beam upper flange 311, when side bar 5 is when wearing beam 3 and be connected, side bar upper flange 51(consults Figure 13) be placed on the end face of shrouding 32 Part I 321, the end face of side bar upper flange 51 is just in time concordant with the end face of wearing beam upper flange 311, be beneficial to laying floor thereon.Wear beam main body 31 and be roughly W shape, its position of running through two girders 11 in correspondence is recessed to form respectively two depressed parts 314 downwards, the end face of wearing other parts of beam main body 31 except this two depressed part 314 is concordant with the end face of two girders 11, is beneficial to laying floor thereon.Return hospitality and consult Fig. 3, on girder web plate 112, be provided with for respectively wearing the through hole 114 that beam 3 passes, in through hole 114, be welded with to removably connect wear web 312 wear beam connecting panel 1141, be provided with connecting bore in the connection location correspondence of wearing beam connecting panel 1141 and wearing web 312.Wear beam connecting panel 1141 all vertical with girder web plate 112 with girder upper flange 111, be provided with the fluting (not shown) passing for girder web plate 112 at the top of wearing beam connecting panel 1141, so that wear beam connecting panel 1141 and girder upper flange 111 and the equal weld together of girder web plate 112, improve the Joint strenght of wearing beam connecting panel 1141 and girder 11, and do not make again through hole 114 punch girder web plate 112 tops and affect girder web plate 112 and transport.Consult Fig. 2 B, both sides at main body of vehicle frame 1 are also respectively provided with one group of diagonal brace 116, the every down either side that passes main body of vehicle frame 1 of wearing beam 3 arranges a diagonal brace 116, and one end of each diagonal brace 116 and girder web plate 112 removably connect, the other end of each diagonal brace 116 with wear lower flange of girder plate 313 and removably connect.
Wear Liang Yeke and be designed to straight beam form as shown in Figure 6, this upper flange 311a, web 312a and lower wing plate 313a that wears beam 3a is straight plate.Obviously the upper flange 311a that wears beam 3a of this kind of straight beam form is not concordant with girder upper flange 111, thus can only lay wood covering thereon, and above-mentioned W shape to wear beam 3 be concordant with girder upper flange 111, it can lay steel floor.
Consult Fig. 7, Fig. 8, crossbeam 4 comprises: a main body of cross-beam 41 and two is welded on respectively the shrouding 42 at main body of cross-beam 41 two ends.Main body of cross-beam 41 comprises: a crossbeam upper flange 411, a crossbeam lower wing plate 413 and are connected to the cantilever diaphragm 412 between the upper and lower wing plate 411,413 of crossbeam, crossbeam upper flange 411 and crossbeam lower wing plate 413 are all positioned at the same side of cantilever diaphragm 412, make the cross-sectional plane of main body of cross-beam 41 roughly c-shaped.Main body of cross-beam 41 is reduced to the other end by one end gradually in the size of short transverse, and crossbeam upper flange 411 levels, and crossbeam lower wing plate 413 tilts with respect to crossbeam upper flange 411.In the time that crossbeam 4 is arranged on flat truck: cantilever diaphragm 412 is less than its size near the short transverse of girder 11 one end in the size of the short transverse near side bar 5 one end.
In conjunction with consulting Fig. 8, Fig. 9, shrouding 42 is L-shaped, and it comprises: a Part I 421 and the Part II 422 perpendicular to Part I 421.Beam 5 is similar with wearing, the two ends, top of cantilever diaphragm 412 are also recessed to form two steps 4121 downwards, crossbeam upper flange 411 is between two steps 4121 at cantilever diaphragm 412 tops, the Part I 421 of two shroudings is welded on respectively two step 4121 positions at cantilever diaphragm 412 tops, so that the end face of crossbeam upper flange 411 suitably exceeds the end face of the Part I 421 of two shroudings, while being convenient on the end face of Part I 421 that girder upper flange 111 and side bar upper flange 51 be placed on two shroudings, can be concordant with crossbeam upper flange 411, thus convenient-laying floor.The Part II 422 of two shroudings is welded on respectively the end positions of cantilever diaphragm 412, and also weld with crossbeam lower wing plate 413 bottom of the Part II 422 of each shrouding.One group of connecting bore 4221 is set on the Part II 422 of each shrouding, in conjunction with consulting Fig. 2 B, on girder web plate 112 and side bar web 52, also correspondence is provided with connecting bore respectively, in the time that crossbeam 4 is arranged on flat truck, the shrouding 42 of larger-size one end of short transverse of main body of cross-beam 41 removably connects with the web 112 of girder gooseneck portion, and the shrouding 42 of one end that the short transverse size of main body of cross-beam 41 is less removably connects with side bar web 52.
Figure 10 is the structural representation of crossbeam the second embodiment, crossbeam 4b structure and above-described embodiment in the present embodiment are basic identical, different is, the cross-sectional plane of main body of cross-beam 41b is roughly I shape, that is: cantilever diaphragm 412b lays respectively at the center of the Width of crossbeam upper flange 411b and crossbeam lower wing plate 413b.Other structures are all same as the previously described embodiments, repeat no more herein.
Figure 11 is the structural representation of crossbeam the 3rd embodiment, and in the present embodiment, crossbeam 4a comprises: a main body of cross-beam 41a and two is welded on respectively the shrouding 42a at main body of cross-beam 41a two ends.Main body of cross-beam 41a comprises: the two side plate 412a and that be arranged in parallel are connected to the top board 411a between the top of biside plate 412a.Biside plate 412a is reduced to the other end by one end gradually in the size of short transverse, top board 411a level, and the bottom surface of biside plate 412a all tilts with respect to top board 411a.Shrouding 42a is L-shaped, comprising: a Part I 421a and the Part II 422a perpendicular to Part I 421a.The two ends, top of each side plate 412a are recessed to form respectively two step 4121a downwards, top board 411a is between the two step 4121a of each side plate 412a, the Part I 421a of two shroudings is welded on respectively the step position at two ends, each side plate 412a top, so that the end face of crossbeam upper flange 411 suitably exceeds the end face of the Part I 421a of two shroudings, when being convenient to girder upper flange 111 and side bar upper flange 51 and being placed on respectively the end face of Part I 421a of two shroudings, can be concordant with crossbeam upper flange 411a.The Part II 422a of two shrouding 42a is welded on respectively the end positions of each side plate 412a, and on the Part II 422a of two shrouding 42a, is respectively arranged with one group of connecting bore 4221a removably connecting with girder web plate 112 and side bar web 52.
It is worth mentioning that, in other embodiment of flat truck, crossbeam 4 also can be set, substitute crossbeam 4 and wear beam 3 in the setting of the position of crossbeam 4.
Consult Figure 12 and Figure 13, side bar 5 comprises: side bar upper flange 51, side bar lower wing plate 53 and be connected to side bar upper flange 51 and side bar lower wing plate 53 between side bar web 52, side bar upper flange 51 and side bar lower wing plate 53 are all positioned at the same side of side bar web 52.Side bar upper flange 51, side bar web 52 and side bar lower wing plate 53 are preferably one-body molded, to improve the intensity of side bar 3.Front end at the length direction of side bar web 52 is provided with one group of first connecting bore 5211, in conjunction with consulting Fig. 4, in the time that side bar 5 is installed on flat truck, this group first connecting bore 5211, in order to coordinate with the connecting bore of the side bar connecting panel 212 at front beam 2 two ends, is realized removably connecting of side bar 5 and front beam 2.One group of second connecting bore 5212 is set in the rear end of the length direction of side bar web 52, in conjunction with consulting Figure 17, in the time that side bar 5 is installed on flat truck, this group second connecting bore 5212, in order to coordinate with the connecting bore of the side bar connecting panel 75 at back end beam 7 two ends, is realized removably connecting of side bar 5 and back end beam 7.On side bar web 52, be also provided with one group in order to wear the 3rd connecting bore 5213 that beam 3 removably connects and one group the 4th connecting bore 5214 in order to removably connect with crossbeam 4, this group the 3rd connecting bore 5213 and this group the 4th connecting bore 5214 are all between this group the first connecting bore 5211 and this group the second connecting bore 5212, and this group the 4th connecting bore 5214 is between this group the first connecting bore 5211 and this group the 3rd connecting bore 5213.
Consult Figure 13, in order to make up the intensity after 52 punchings of side bar web, side bar web 52 is respectively arranged with bending structure with side bar upper flange 51 with the position that side bar lower wing plate 53 is connected in correspondence.Side bar web 52 comprises: at the main part 521 at Width middle part, be connected to upper kink 522 between main part 521 and side bar upper flange 51, be connected to the lower kink 523 between main part 521 and side bar lower wing plate 53.Upper kink 522 comprises: the upper kink first paragraph 5221 vertically being extended to form downwards by the outermost end of side bar upper flange 51 and by one end away from side bar upper flange 51 of upper kink first paragraph 5221 downwards and the upper kink second segment 5222 extending to form that slopes inwardly, one end away from upper kink first paragraph 5221 of upper kink second segment 5222 is connected with main part 521.Lower kink 523 comprises: the lower kink first paragraph 5231 upwards vertically being extended to form by the outermost end of side bar lower wing plate 53 and by one end away from side bar lower wing plate 53 of lower kink first paragraph 5232 upwards and the lower kink second segment 5232 extending to form that slopes inwardly, one end away from lower kink first paragraph 5232 of lower kink second segment 5232 is connected with main part 521.The first connecting bore 5211, the second connecting bore 5213, the 3rd connecting bore 5213 and the 4th connecting bore 5214 are all arranged on the main part 521 of side bar web 52.
Figure 14 is the section drawing of side bar the second embodiment, the present embodiment and side bar the first embodiment are similar, different is, the partial cancellation being connected with side bar lower wing plate 53 in side bar web 52 correspondences bending structure, and the part being connected with side bar upper flange 51 due to side bar web 52 correspondences is still provided with kink, so it can reach the object that strengthens side bar 5 intensity equally.
Consult Figure 15, side bar web 52 also can not adopt bending structure, and form rib 522 by caving inward in the position of the first connecting bore 5211, the second connecting bore 5213, the 3rd connecting bore 5213 and the 4th connecting bore 5214, reach the object of stiffened edge web 52.
Consult Figure 16, be respectively arranged with one group and hang assembly 6 below each girder 11 rear portions, each group hangs assembly 6 and includes: be detachably connected on front frame 61, medium-height trestle 62 and after poppet 63 on each girder lower wing plate 113.All weld a suspension connecting panel 64 on the top of front frame 61, medium-height trestle 62 and after poppet 63, the connection location that respectively hangs connecting panel 64 and girder lower wing plate 113 is provided with connecting bore, and the two is realized and being removably connected by fastener.After considering that hanging connecting panel 64 is welded on front frame 61, medium-height trestle 62 and after poppet 63, in the middle of can making on it, two connecting bores form a dead space and cannot mounting fastener, so middle two connecting bores are understood the fastener of pre-plugged two and connecting bore weld together in the time dispatching from the factory.Front frame 61 and after poppet 63 are one, and the quantity of medium-height trestle 62 is depending on the quantity of axletree, if axletree is two, medium-height trestle 62 is one, if axletree is three, medium-height trestle 62 is two, by that analogy.In flat truck of the present invention, there are two medium-height trestles 62.
Consult Figure 18, Figure 19, back end beam 7 comprises the back end beam main body that a cross-sectional plane is S-shaped, back end beam main body is made up of back end beam upper flange 71, back end beam lower wing plate 73 and the back end beam web 72 that is connected between the upper and lower wing plate 71,73 of back end beam, and this back end beam upper flange 71 is parallel to back end beam lower wing plate 73.The cross section of back end beam web 72 is zigzag, and it comprises: Part I 721, Part II 722 and Part III 723, and Part II 722 is also connected with Part I 721 is vertical, and Part III 723 is also connected with Part II 722 is vertical.One end away from Part II 722 of Part I 721 is connected with back end beam upper flange 71, and one end away from Part II 722 of Part III 723 is connected with back end beam lower wing plate 73.Consult Figure 17, the Part II 722 of back end beam upper flange 71, back end beam web 72 is positioned at the same side of the Part I 721 of back end beam web 72, and three surrounds one first fluting 711.The Part II 722 of back end beam lower wing plate 73 and back end beam web 72 is positioned at the same side of the Part III 723 of back end beam web 72, and three surrounds one second fluting 732.At the back end beam main body middle part welding two girder connecting panel 74 in order to removably connect with each girder 11 respectively, be welded with two side bar connecting panels 75 in order to removably connect with each side bar 5 respectively at back end beam main body two ends.Girder connecting panel 74 and side bar connecting panel 75 include: be welded on Part I 741 and the Part II 742 that stretches out the first fluting 711 in the first fluting 711.The Part I 741 of each girder connecting panel 74 and each side bar connecting panel 75 and the Part II 722 of back end beam upper flange 71, back end beam web 72, all vertical and welding of Part I 721 of back end beam web 72, to reach the effect that strengthens back end beam main body.Be provided with one group of connecting bore 7421 at the Part II that stretches out the first fluting 711 742 of each girder connecting panel 74, be provided with one group of corresponding connecting bore (not shown) in the rear end of each girder web plate 112, in the time that back end beam 7 is assembled on main body of vehicle frame 1, the Part II 742 of girder connecting panel 74 is attached to inner side or the outside of girder web plate 112, and the two is realized and being removably connected by fastener.The top of the Part II 742 of girder connecting panel 74 is against girder upper flange 111, because the requirement of strength of girder 11 is higher than the requirement of strength of back end beam, so, ensure that girder upper flange 111 is concordant with back end beam upper flange 71, need make the end face of girder connecting panel 74 Part II 742 lower than the end face (as shown in figure 20) of Part I 741.Also be provided with one group of connecting bore 7421 at the Part II that stretches out the first fluting 711 742 of each side bar connecting panel 75, be provided with one group of corresponding connecting bore 5211(in the rear end of each side bar web 521 as shown in figure 12), in the time that side bar 5 and back end beam 7 are assembled on main body of vehicle frame 1, the Part II 742 of side bar connecting panel 75 is attached to side bar web 521 inner sides, and the two is realized and being removably connected by fastener.In the second fluting 732 of back end beam, be also provided with two brace panels 76, each brace panel 76 and the Part II 722 of back end beam web 72, Part III 723 and all vertical and welding of back end beam lower wing plate 73 of back end beam web.
As shown in figure 21, the step 1121 of an installation back end beam 7 is respectively set in the rear end of two girders 11, each girder 11 welds one in order to connect the back end beam connecting panel 115 of back end beam 7 in its step 1121 positions.This back end beam connecting panel 115 is L-shaped, comprising: a Part I 1151 and the Part II 1152 being formed by the vertical bending extension of Part I 1151.Part I 1151 is and welding vertical with girder lower wing plate 113 with girder web plate 112 respectively, Part II 1152 also welding vertical with girder web plate 112, and Part II 1152 is parallel to girder upper flange 111 and girder lower wing plate 113, on Part II 1152, be provided with one group of connecting bore 11521, the middle part of back end beam lower wing plate 73 be provided with two groups respectively with main body of vehicle frame 1 on the connecting bore 731(that removably connects of two girders 11 consult Figure 19).Connecting bore 11521 on back end beam connecting panel 115 is corresponding with connecting bore 731 on back end beam lower wing plate 73, and the two is realized and being removably connected by fastener.
Figure 22 is depicted as the second embodiment of back end beam, in this embodiment, the cross-sectional plane of back end beam main body is C shape, and this back end beam web 72 is dull and stereotyped, and the same side and three that back end beam upper flange 71 and back end beam lower wing plate 73 are positioned at back end beam web 72 surround a fluting 711a.The middle part of back end beam lower wing plate 73 be provided with two groups respectively with girder 11 on the connecting bore 731 that removably connects of back end beam connecting panel 115.Identical with a upper embodiment, the present embodiment also comprises: two are arranged on girder connecting panel and two back end beam main body middle part, that removably connect with girder web plate is arranged on side bar connecting panel back end beam main body two ends, that removably connect with side bar web.Different is in the present embodiment, and the Part I of two girder connecting panels and two side bar connecting panels is welded in fluting 711a, and Part II stretches out in fluting 711a.
Figure 23 is depicted as the 3rd embodiment of back end beam, in this embodiment, the structure of back end beam main body is identical with the second embodiment of back end beam, different is, two girder connecting panel 74a are connected to the upper of back end beam, lower wing plate 71, between 73, its one end and back end beam upper flange 71 are welded to connect, the other end and back end beam lower wing plate 73 are welded to connect, and girder connecting panel 74a is parallel with girder web plate 72, on each girder connecting panel 74, be provided with one group of connecting bore 741a, and the position of the connecting bore 741a on each girder connecting panel 74 is corresponding with the position of two groups of connecting bores 731 on back end beam lower wing plate 73 respectively.Accordingly, rear end at girder web plate 112 does not arrange connecting bore, and make L shaped back end beam connecting panel 115 into Z-shaped back end beam connecting panel, as shown in figure 24, vertically bend the Part III 1153 extending and form on Part II 1152 tops of back end beam connecting panel 115, Part III 1153 welds with girder web plate 112 and girder upper flange 111 respectively, on Part III 1153, be provided with one group of connecting bore 11531, connecting bore 741a on this connecting bore 11531 girder connecting panel 74a is corresponding, and the two is realized and being removably connected by fastener.
Return hospitality and consult Fig. 2 B, on two girder web plates 112, each welding one, in order to connect the supporting leg seat 81 of each bracing or strutting arrangement 8, is respectively arranged with connecting bore at the connection location of bracing or strutting arrangement 8 and supporting leg seat 81, and the two removably connects by fastener.When transport, bracing or strutting arrangement 8 unloads from girder 11, and the middle part that is placed on main body of vehicle frame 1 is with main body of vehicle frame 1 transport, considers packed and transported time space-efficient object, and the outer of supporting leg seat 81 must not exceed the outer of connected main body of vehicle frame 1.
Consult Fig. 2 B, rear bumper assembly 9 comprises: two are detachably connected on respectively vertical beam 91 and on two girder lower wing plates 113 is welded on the whippletree 92 of two vertical beam 91 bottoms, is provided with connecting bore in end face and two girder lower wing plate 113 correspondences of described two vertical beams 91.
Back end beam main body in above-mentioned three embodiment part that can be formed in one, also can be weldment.
In sum, because flat truck is split into main body of vehicle frame 1 and is detachably arranged on front beam 2 on main body of vehicle frame 1, wears beam 3, crossbeam 4, side bar 5, hangs multiple modules such as assembly 6, back end beam 7, bracing or strutting arrangement 8 and rear bumper assembly 9, while dispatching from the factory, multiple modules are hidden in the inside of main body of vehicle frame 1 and carry out packed and transported, due to the regular shape of main body of vehicle frame 1, thus convenient compact stacking, greatly improve conveying efficiency, reduce traffic cost, also expanded the input scope of product.In addition, because flat truck is designed to each detouchable unit module, so, facilitate the modularization of parts to change, reduce maintenance difficulty.
The foregoing is only better possible embodiments of the present invention, not limit the scope of the invention, the equivalent structure that all utilizations specification sheets of the present invention and accompanying drawing content have been done changes, and is all included in protection scope of the present invention.
Claims (1)
1. a detachable flat car, comprise: a main body of vehicle frame (1), one front beam (2), wear beam (3) for many, two side bars (5) and a back end beam (7), described main body of vehicle frame (1) comprising: girder (11) and many root beads that two parallel longitudinals arrange are connected on the tie-beam (12) between two girders (11), described main body of vehicle frame (1) is arranged between two side bars (5), described front beam (2) is vertically connected on one end of described two side bars (5) and described two girders (11), described back end beam (7) is vertically connected on the other end of described two side bars (5) and described two girders (11), on described two girders (11), be provided with multiple through holes (114), wear beam (3) and penetrate each through hole (114) and laterally run through that to be connected to two girders (11) upper and be vertically connected between two side bars (5) for described many, it is characterized in that, before described, back end beam (2, 7) being connected and between described side bar (5), before described, back end beam (2, 7) being connected and between described girder (11), described wearing being connected between beam (3) and described side bar (5), and, described wearing being connected to be and removably connecting between beam (3) and described girder (11), each girder (11) comprising: girder upper flange (111), girder lower wing plate (113) and be vertically connected on the girder web plate (112) between the upper and lower wing plate of girder (111,113),
In the rear end of two girders (11), a step (1121) is respectively set, a back end beam connecting panel (115) is welded respectively in step (1121) position of each girder (11), and described back end beam (7) is placed on two back end beam connecting panels (115) above and removably connects with back end beam connecting panel (115).
2. detachable flat car as claimed in claim 1, it is characterized in that, described front beam (2) comprising: a front beam main body (21), two protruding front beam main bodys (21) are also welded on girder connecting panel (211) and the two protruding front beam main bodys (21) at front beam main body (21) middle part and are welded on the side bar connecting panel (212) at front beam main body (21) two ends, the part of stretching out front beam main body (21) of two girder connecting panels (211) respectively arranges one group of connecting bore and removably connects with two girders (11) with corresponding, the part of stretching out front beam main body (21) of two side bar connecting panels (212) respectively arranges one group of connecting bore and removably connects with two side bars (5) with corresponding.
3. detachable flat car as claimed in claim 2, it is characterized in that, at the front end of two girders (11), a step (1121) is respectively set, a front beam connecting panel (117) is welded respectively in step (1121) position of each girder (11), and described front beam main body (21) is placed on two front beam connecting panels (117) above and removably connects with front beam connecting panel (117).
4. detachable flat car as claimed in claim 3, it is characterized in that, described front beam connecting panel (117) comprises a Part I (1171) and the Part II (1172) with respect to Part I (1171) smooth curved, described Part I (1171) welds with girder lower wing plate (113) and girder web plate (112) respectively, described Part II (1172) and described girder web plate (112) welding, the end face level of described Part II (1172), described front beam main body (21) is placed on described Part II (1172).
5. detachable flat car as claimed in claim 1, it is characterized in that, the described beam (3) of wearing comprising: wear beam main body (31) and be welded on the shrouding (32) of wearing beam main body (31) two ends, the described beam main body of wearing comprises: wear beam upper flange (311), wear lower flange of girder plate (313) and be vertically connected on to wear beam upper flange (311) and wear and wear web (312) between lower flange of girder plate (313), wear beam upper flange (311) and be parallel to and wear lower flange of girder plate (313); Described two ends, top of wearing web (312) are all recessed to form two steps downwards, described in wear beam upper flange (311) between two steps; Described shrouding (32) is L-shaped, comprise: a Part I (321) and the Part II (322) perpendicular to Part I (321), the Part I (321) of two shroudings (32) is welded on respectively the step position of wearing web (312) two ends, top, described in the Part II (322) of two shroudings (32) is welded on respectively, wear the two ends of web (312), and the bottom of shrouding (32) Part II (322) is also welded with the described lower flange of girder plate (313) of wearing.
6. detachable flat car as claimed in claim 5, it is characterized in that, describedly wear the position that beam main body (31) runs through two girders (11) in correspondence and be recessed to form respectively two depressed parts (314) downwards, the end face of wearing other parts of beam main body (31) except this two depressed part (314) is concordant with the end face of each girder (11).
7. detachable flat car as claimed in claim 5, is characterized in that, described in wear beam upper flange (311), wear web (312) and wear lower flange of girder plate (313) and be straight plate.
8. detachable flat car as claimed in claim 5, it is characterized in that, described through hole (114) is arranged on described girder web plate (112), in through hole (114), be welded with to removably connect wear web (312) wear beam connecting panel (1141), be provided with connecting bore in the connection location correspondence of wearing beam connecting panel (1141) and wearing web (312).
9. detachable flat car as claimed in claim 8, it is characterized in that, described wear beam connecting panel (1141) vertical with girder upper flange (111) and welding, and and welding vertical with girder web plate (112), be provided with the fluting passing for girder web plate (112) at the top of wearing beam connecting panel (1141).
10. detachable flat car as claimed in claim 5, it is characterized in that, both sides at described main body of vehicle frame (1) are also respectively provided with one group of diagonal brace (116), each diagonal brace (116) in every group of diagonal brace lays respectively at the below of respectively wearing beam (3), and one end of each diagonal brace (116) and girder web plate (112) removably connect, the other end of each diagonal brace (116) with wear lower flange of girder plate (313) and removably connect.
11. detachable flat cars as claimed in claim 1, it is characterized in that, described flat truck also comprises two groups of crossbeams (4), two groups of crossbeams (4) are positioned between two side bars (5) and lay respectively at the outside, both sides of main body of vehicle frame (1), and, two groups of crossbeams (4) be all positioned at described front beam (2) and described in wear between beam (3).
12. detachable flat cars as claimed in claim 11, it is characterized in that, each crossbeam (4) comprising: a main body of cross-beam (41) and two is welded on respectively the shrouding (42) at main body of cross-beam (41) two ends, wherein on a shrouding (42), be provided with one group of connecting bore in order to removably connect with girder (11), on another shrouding, be provided with one group of connecting bore in order to removably connect with side bar (5).
13. detachable flat cars as claimed in claim 11, it is characterized in that, described side bar (5) comprising: side bar upper flange (51), side bar lower wing plate (53) and be connected to side bar upper flange (51) and side bar lower wing plate (53) between side bar web (52), described side bar upper flange (51) and side bar lower wing plate (53) are all positioned at the same side of described side bar web (52), at the front end of side bar web (52), one group of first connecting bore (5211) in order to removably connect with front beam (2) is set, rear end arranges one group of second connecting bore (5212) in order to removably connect with back end beam (7), on side bar web (52), be also provided with one group in order to wear the 3rd connecting bore (5213) that beam (3) removably connects and one group the 4th connecting bore (5214) in order to removably connect with crossbeam (4), this group the 3rd connecting bore (5213) and this group the 4th connecting bore (5214) are all positioned between this group the first connecting bore (5211) and this group the second connecting bore (5212).
14. detachable flat cars as claimed in claim 1, it is characterized in that, described flat truck also comprises that two groups are hung assembly (6), each assembly (6) that hangs includes: be detachably connected on front frame (61), medium-height trestle (62) and after poppet (63) on each girder lower wing plate (113), all weld a suspension connecting panel (64) on the top of described front frame (61), medium-height trestle (62) and after poppet (63), the upper equal correspondence of described suspension connecting panel (64) and each girder lower wing plate (113) is provided with connecting bore.
15. detachable flat cars as claimed in claim 1, it is characterized in that, described flat truck also comprises a pair of anterior bracing or strutting arrangement (8) of two girders (11) that is detachably connected on, the upper each welding one of web (112) of two girders (11) is in order to connect the supporting leg seat (81) of each bracing or strutting arrangement (8), and the outer of supporting leg seat (81) does not exceed the outer of connected main body of vehicle frame (1), is provided with connecting bore at the connection location of bracing or strutting arrangement (8) and supporting leg seat (81).
16. detachable flat cars as claimed in claim 1, it is characterized in that, described back end beam connecting panel (115) comprising: a Part I (1151) and the Part II (1152) being formed by the vertical bending extension of Part I (1151), Part I (1151) is and welding vertical with girder lower wing plate (113) with girder web plate (112) respectively, Part II (1152) also welding vertical with girder web plate (112), described Part II (1152) is horizontally disposed with, described back end beam main body (70) is placed on the Part II (1152) of back end beam connecting panel (115), on the Part II (1152) of back end beam connecting panel (115), be provided with one group of connecting bore (11521) in order to removably connect with back end beam (7) bottom surface.
17. detachable flat cars as claimed in claim 16, it is characterized in that, described back end beam connecting panel (115) also comprises: a Part III (1153), described Part III (1153) is extended and is formed by the vertical bending of described Part II (1152), Part III (1153) is and welding vertical with girder upper flange (111) with girder web plate (112) respectively, is provided with one group of connecting bore (11531) in order to removably connect with the front end face of back end beam (7) on Part III (1153).
18. detachable flat cars as claimed in claim 1, it is characterized in that, described flat truck also comprises: a rear bumper assembly (9), described rear bumper assembly (9) comprising: two vertical beams (91) and that are detachably connected on respectively two girders (11) bottom are welded on the whippletree (92) of two vertical beams (91) bottom, are provided with connecting bore at the end face of described two vertical beams (91) and the bottom surface correspondence of two girders (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110028733.2A CN102616291B (en) | 2011-01-27 | 2011-01-27 | Detachable flat car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110028733.2A CN102616291B (en) | 2011-01-27 | 2011-01-27 | Detachable flat car |
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| CN102616291A CN102616291A (en) | 2012-08-01 |
| CN102616291B true CN102616291B (en) | 2014-08-20 |
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| CN201110028733.2A Active CN102616291B (en) | 2011-01-27 | 2011-01-27 | Detachable flat car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019240649A1 (en) * | 2018-06-12 | 2019-12-19 | Scania Cv Ab | Auxiliary frame for supporting a vehicle body |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105436912A (en) * | 2015-11-27 | 2016-03-30 | 河南新科起重机股份有限公司 | Wing-shaped folding type platform device for crane web |
| CN105691458B (en) * | 2016-04-22 | 2018-05-01 | 青岛中集专用车有限公司 | A kind of assembled semi-trailer frame, semitrailer and assembly method |
| CN106828644B (en) * | 2017-03-06 | 2023-07-25 | 南京航空航天大学 | Patch type piezoelectric driving four-wheel planetary detection robot and working method thereof |
| CN109823396B (en) * | 2017-11-23 | 2024-05-10 | 上汽通用五菱汽车股份有限公司 | Rear frame assembly of chassis of vehicle body |
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| JP3416625B2 (en) * | 2000-07-27 | 2003-06-16 | 日野自動車株式会社 | Low floor bus frame structure |
| CN201999067U (en) * | 2011-01-27 | 2011-10-05 | 中集车辆（集团）有限公司 | Detachable flat car |
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| US4318549A (en) * | 1980-09-02 | 1982-03-09 | Pletcher Raymond E | Tank for containing large volumes of fluids |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019240649A1 (en) * | 2018-06-12 | 2019-12-19 | Scania Cv Ab | Auxiliary frame for supporting a vehicle body |
| SE543384C2 (en) * | 2018-06-12 | 2020-12-29 | Scania Cv Ab | Auxiliary frame for supporting a vehicle body |
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| CN102616291A (en) | 2012-08-01 |
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