CN107878483A - A kind of 100% low-floor tramcar body construction - Google Patents

A kind of 100% low-floor tramcar body construction Download PDF

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Publication number
CN107878483A
CN107878483A CN201711066988.1A CN201711066988A CN107878483A CN 107878483 A CN107878483 A CN 107878483A CN 201711066988 A CN201711066988 A CN 201711066988A CN 107878483 A CN107878483 A CN 107878483A
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CN
China
Prior art keywords
roof
welded
plate
cover plate
mounting seat
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Granted
Application number
CN201711066988.1A
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Chinese (zh)
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CN107878483B (en
Inventor
赵子豪
王万静
林鹏
王晓军
展旭和
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CRRC Qingdao Sifang Co Ltd
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CRRC Qingdao Sifang Co Ltd
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Priority to CN201711066988.1A priority Critical patent/CN107878483B/en
Publication of CN107878483A publication Critical patent/CN107878483A/en
Application granted granted Critical
Publication of CN107878483B publication Critical patent/CN107878483B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61DBODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00Construction details of vehicle bodies
    • B61D17/04Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures

Abstract

The present invention relates to a kind of 100% low-floor tramcar body construction, for stainless steel car body, including roof, side wall, headwall, chassis, upper be hinged mounting seat and lower be hinged mounting seat, roof is by car roof skeleton, roof panels and covering for roofs plate composition, roof panels are fixed on car roof skeleton, covering for roofs plate is arranged on the both sides of roof panels, headwall is made up of the headwall column of both sides and the end wall panel of centre, the top and bottom of headwall column are connected with roof and welding of underframe respectively, end wall panel is welded between two headwall columns, side wall is by outside jacket plates, framed side wallboard and side wall skeleton composition, framed side wallboard is fixed on side wall skeleton, outside jacket plates are fixed on framed side wallboard, it is welded to connect between roof and headwall and between roof and side wall by several reinforcements, lightening hole is provided with reinforcement.The overall structure of car body of the present invention is simple, and while car body overall construction intensity and rigidity property is improved, also significantly alleviates the weight of car body, meet vehicle lightweight requirements.

Description

A kind of 100% low-floor tramcar body construction
Technical field
The invention belongs to technical field of rail traffic, more particularly to a kind of 100% low-floor tramcar body construction.
Background technology
100% low-floor tramcar is one of important tool of modern city track traffic, facilitates passenger to take with it, Organize into groups various, flexible operation, with being welcome deeply by each city the features such as existing bus platform and road surface resource-sharing.Car body is The important component of 100% low-floor railroad vehicle, is the primary load bearing structure of vehicle, its intensity, rigidity, weight isostructuralism energy Quality have large effect to vehicle runnability.Therefore, design one kind is simple in construction, intensity is good, rigidity is big, in light weight Body construction be significant.
The content of the invention
Present invention is primarily aimed at solve the above problems, there is provided and a kind of overall structure is simple, and intensity is good, rigidity is big, and 100% low-floor tramcar body construction of vehicle lightweight requirements at the higher level can be met.
To achieve the above object, the technical scheme is that:
A kind of 100% low-floor tramcar body construction, is stainless steel car body, including roof, side wall, headwall, chassis, Upper be hinged mounting seat and lower be hinged mounting seat, the roof are made up of car roof skeleton, roof panels and covering for roofs plate, the roof Plate is fixed on car roof skeleton, the covering for roofs plate be arranged on roof panels both sides, the headwall by both sides headwall column And middle end wall panel composition, the top and bottom of the headwall column are connected with roof and welding of underframe respectively, the headwall Between two headwall columns, the side wall is made up of plate weld outside jacket plates, framed side wallboard and side wall skeleton, and the framed side wallboard is fixed On side wall skeleton, the outside jacket plates are fixed on framed side wallboard, are led between the roof and headwall and between roof and side wall Cross several reinforcements to be welded to connect, lightening hole is provided with the reinforcement.
Further, the headwall column and end wall panel form by stainless steel plate bending.
Further, the headwall column is L-shaped body including cross section, is respectively provided with inwardly in two sides of L-shaped main body The L-shaped flanging of bending, several strip reinforcements are provided with L-shaped body.
Further, it is parallel from top to bottom on the headwall column to be welded with multiple stiffener plates, in the stiffener plate On be provided with lightening hole.
Further, it is welded to connect at the window angle of the side wall skeleton by reinforcing plate, the reinforcing plate and side wall bone It is fixedly connected between frame by plug welding technique.
Further, the covering for roofs plate is fixedly connected by several supports with car roof skeleton, and the support is L-shaped, At least one the first chute extended along length over ends of body direction is provided with the inner surface of the covering for roofs plate, in the car The support is corresponded on parietal bone frame and is provided with the second chute, two sides of the support are bolted to connection first respectively On chute and the second chute.
Further, the car roof skeleton is by the car roof side-beam of both sides and the roof cross beam among car roof side-beam and roof Longeron splicing is welded, and multiple installations for being used to fix roof apparatus are provided with by bolt between two car roof side-beams Beam, the reinforcement are correspondingly arranged at the end of roof cross beam and roof rail.
Further, the upper be hinged mounting seat is welded by level board and vertical panel, in the level board and vertical panel Between weld multiple vertical stiffener plates, the level board is weldingly fixed on the car roof skeleton.
Further, the chassis includes the end carriage of rear and front end, the edge beam of underframe of both sides, two longerons and two groups of cover plate groups Into the both sides of the end carriage are weldingly fixed on the edge beam of underframe of both sides, and two longerons are set in parallel in two chassis sides Between beam, the both ends of the longeron are respectively welded on the end carriage for being fixed on rear and front end, and cover plate composition is respectively welded described in two groups It is fixed on the longeron and edge beam of underframe of respective side, lower be hinged mounting seat is respectively welded on two end carriages.
Further, the cover plate composition is formed by stainless steel plate bending.
Further, the section of the longeron is " II " shape, is welded by upper plate, lower plate and two side plate splicings.
Further, " several " character form structure that the longeron is integrally bent upwards along length over ends of body direction in center section.
Further, the centre of the end carriage is provided with c-shaped opening, and the end insertion of the lower be hinged mounting seat is arranged on institute State in c-shaped opening and be welded to connect.
Further, the lower be hinged mounting seat is the structure of split, is made up of preceding mounting seat and rear mounting seat butt welding, Multiple cant boards are welded between the preceding mounting seat and rear mounting seat, are provided with mounting hole in mounting seat in the rear.
Further, the cover plate composition includes cover plate longeron composition and the first cover plate and the second lid for installing seat Plate, first cover plate are symmetrical arranged two along length over ends of body direction, and second cover plate is arranged in two the first cover plates Between, the cover plate longeron composition is fixedly connected with side wall, and first cover plate, the sidepiece of the second cover plate are weldingly fixed on cover plate and indulged On beam composition.
In summary, a kind of 100% low-floor tramcar body construction provided by the invention, the main body of car body is by stainless Steel material is welded, and by the rational design to body construction, not only makes the overall structure of car body simple, and is improving car While body overall construction intensity and rigidity property, the weight of car body is also significantly alleviated, it is light-weighted higher to meet vehicle It is required that.
Brief description of the drawings
Fig. 1 is body construction figure of the present invention;
Fig. 2 is the structure chart after body construction of the present invention is inverted;
Fig. 3 is headwall three-dimensional structure diagram of the present invention;
Fig. 4 is Fig. 1 I partial enlarged drawing;
Fig. 5 is Fig. 1 II partial enlarged drawing;
Fig. 6 is the structure chart of vehicle body bottom frame of the present invention;
Fig. 7 is end carriage local structural graph of the present invention;
Fig. 8 is longitudinal beam structure figure of the present invention;
Fig. 9 is that mounting seat structure chart is hinged under the present invention.
As shown in Figures 1 to 9, roof 1, side wall 2, headwall 3, chassis 4, upper be hinged mounting seat 5, lower be hinged mounting seat 6, car Parietal bone frame 7, roof panels 8, covering for roofs plate 10, car roof side-beam 11, roof cross beam 12, roof rail 13, mounting rail 14, support 15, the first chute 16, the second chute 17, headwall column 18, main body 18a, flanging 18b, end wall panel 19, windscreen mounting seat 20, put down Plate 20a, flanging 20b, outside jacket plates 21, side wall column 22, reinforcing plate 24, window crossbeam 23, reinforcement 25, lightening hole 26, end carriage 27, Edge beam of underframe 28, longeron 29, cover plate composition 30, the first needle beam 31, the second needle beam 32, the 3rd needle beam 33, the 4th small horizontal stroke Beam 34, shock absorber mounting seat 35, c-shaped opening 36, preceding mounting seat 37, rear mounting seat 38, cant board 39, mounting hole 40, cover plate is indulged Beam composition 41, the first cover plate 42, the second cover plate 43, the first vertical beam 44, the second vertical beam 45, the 3rd vertical beam 46, stiffening plate 47, reinforcement Beam 48, lateral damper mounting seat 49, drawing pull bar mounting seat 50, horizontal backstop mounting seat 51, the 3rd chute 52, stiffener plate 53, strip reinforcement 54, lightening hole 55.
Embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings:
As depicted in figs. 1 and 2, a kind of 100% low-floor tramcar body construction provided by the invention, it is stainless steel car Body, including roof 1, side wall 2, headwall 3, chassis 4.Be hinged mounting seat 5 is welded with roof 1, lower hinge is welded with chassis 4 Connect mounting seat 6.In order to ensure the structural strength of car body and rigidity requirement, the main part of car body, roof 1, side wall 2, the and of headwall 3 Chassis 4 is welded using stainless steel material, and local upper be hinged mounting seat 5 and lower be hinged mounting seat 6 then uses carbon steel material Material is welded, and to strengthen the structural strength of partial structurtes, the traction property of mounting seat 5 and lower be hinged mounting seat 6 is hinged in raising Energy.
Wherein, roof 1 is made up of car roof skeleton 7, roof panels 8 and covering for roofs plate 10, and roof panels 8 are weldingly fixed on roof On skeleton 7, covering for roofs plate 10 is arranged on the both sides of roof panels 8, and covering for roofs plate 10 is used to block above roof Equipment.
Car roof skeleton 7 is overall to be made up of stainless steel material, by the car roof side-beam 11 of both sides and among car roof side-beam 11 Roof cross beam 12 and roof rail 13 splicing be welded, car roof side-beam 11, roof cross beam 12 and roof rail 13 have connection Place is welded to connect by L-shaped, T-shaped and criss-cross reinforcement connector, for improving the bonding strength of junction, is dropped simultaneously The stress level of low junction.Between two car roof side-beams 11 by bolt be provided with it is multiple be used for fix roof apparatus (such as Pantograph etc.) mounting rail 14, mounting rail 14 sets along cross-car.Multiple 3rd chutes are welded with car roof side-beam 11 52, the end of mounting rail 14 is bolted on the 3rd chute 52.To ensure the structural strength and rigidity of roof, subtract simultaneously Light weight, car roof side-beam 11, roof cross beam 12, roof rail 13 and mounting rail 14 use stainless steel " mouth " ellbeam.
Covering for roofs plate 10 is using the glass-reinforced plastic material of strength and stiffness function admirable and lighter in weight, covering for roofs plate 10 Extend along the length direction of car body.Connect as shown in figure 5, covering for roofs plate 10 is fixed by several supports 15 and car roof skeleton 7 Connect, the generally L-shaped structure of support 15, formed by stainless steel plate bending, the cross section of support 15 is similarly L-shaped.Outside roof At least one the first chute 16 extended along length over ends of body direction is provided with the inner surface of cover plate 10, in the present embodiment, is set There are two first chutes 16 up and down, the first chute 16 is made up with the one of covering for roofs plate 10 of fiberglass, in the car of car roof skeleton 7 Each support 15 is corresponded on top side rail 11 and is provided with the second chute 17, corresponding each support 15 sets two the second chutes side by side 17, the second chute 17 is welded on car roof side-beam 11.The vertical side of support 15 is fixedly connected on two by two bolts On one chute 16, the horizontal side of support 15 is fixedly connected on two the second chutes 17 by two bolts, to ensure to prop up Bonding strength between the chute 16 of frame 15 and first and the second chute 17.
As shown in figure 1, headwall 3 is welded by the headwall column 18 and end wall panel 19 of both sides, the top of headwall column 18 It is welded to connect respectively with car roof skeleton 7 and chassis 4 with bottom, end wall panel 19 is welded between two headwall columns 18, and headwall is stood Post 18 and end wall panel 19, which surround, passes through region between two section compartments.The structure of headwall 3 is divided into headwall column 18 and end wall panel 19 Two parts, when mounted, it is welded to connect, is advantageous to headwall column 18 again after can end wall panel 19 be welded with roof panels 8 Simplify the production technology of headwall 3.
In the present embodiment, headwall column 18 and end wall panel 19 form by stainless steel plate bending, ensure structural strength and On the premise of rigidity, it can significantly mitigate the gross weight of headwall 3.As shown in figure 3, headwall column 18 includes the master that cross section is L-shaped Body 18a, the L-shaped flanging 18b of inside bending is respectively provided with L-shaped main body 18a two sides, is put down from top to bottom on L-shaped main body 18a Row is provided with several horizontally extending strip reinforcements 54, strip reinforcement 54 and the integrated punching of headwall column 18 into Type, for while lightweight requirements are met, significantly strengthening the structural strength and rigidity of headwall column 18.The present embodiment In, it is arranged with multiple stiffener plates 53 in parallel from top to bottom on headwall column 18, stiffener plate 53 is welded on headwall column 18 On, lightening hole is additionally provided with stiffener plate 53, can be with loss of weight headwall 3 while headwall 18 structural strength of column is ensured Gross weight.
Windscreen mounting seat 20 also is stretched out to car body center position in the bottom of headwall column 18, for installing windscreen, windscreen Mounting seat 20 is also formed by stainless steel plate bending, is made up of a flat board 20a and L-shaped flanging 20b, flat board 20a side and end Wall column 18 is welded to connect.The main body of end wall panel 19 is a flat board, has a flanging in its surrounding, the flanging headwall with both sides respectively Column 18, roof panels 8 are welded to connect, and the flanging of the bottom of end wall panel 19 is L-shaped, to increase its structural strength.
As depicted in figs. 1 and 2, side wall 2 is made up of outside jacket plates 21, framed side wallboard (not shown) and side wall skeleton.Side wall Plate is fixed on side wall skeleton, and outside jacket plates 21 use glass epoxy, are fixed on by way of gluing knot on framed side wallboard.
As shown in figure 4, side wall skeleton includes three side wall columns 22, vehicle window is provided with side wall, the top of vehicle window is with Side sets fenestrate crossbeam 23, and window crossbeam 23 is fixedly connected with three side wall columns 22.In the present embodiment, the window angle of side wall skeleton Place, the junction of particularly side wall column 22 and window crossbeam 23 are welded to connect by reinforcing plate 24, and reinforcing plate 24 is according to installation The needs of position can be L-shaped or T-shaped, and reinforcing plate 24, reinforcing plate 24 and side wall column are both provided with the seam crossing of each connection It is fixedly connected between 22 and window crossbeam 23 by plug welding technique, this structure is not only able to reduce the highest stress water at window angle It is flat, also cause side wall to meet requirement of strength design.
As shown in Fig. 2 in order to improve the overall construction intensity of car body and rigidity, in the present embodiment, roof 1 and headwall 3 it Between and roof 1 and side wall 2 between be welded to connect by several reinforcements 25.25 structure triangular in shape of reinforcement, and along hang down Nogata is provided with lightening hole 26, to mitigate car body gross weight to setting on reinforcement 25.Reinforcement 25 is correspondingly arranged at roof The end of crossbeam 12 and roof rail 13, i.e., a reinforcement is both provided with the end of each roof cross beam 12 and roof rail 13 Muscle 25, reinforcement 25 are fixedly connected by welding with roof panels 8, car roof skeleton 7, end wall panel 19 or framed side wallboard simultaneously.Each Lightening hole 26 on reinforcement 25, while loss of weight effect is played, the space of wiring can also be provided for the equipment of roof, both It can guarantee that whole car body strength, rigidity and wiring space requirement, and can realize the lightweight purpose of body construction.Body construction has Have that intensity is good, rigidity is big, simple in construction.
Upper be hinged mounting seat 5 is welded by level board 5a and vertical panel 5b, is being stated between level board 5a and vertical panel 5b Multiple vertical stiffener plate 5c are welded, level board 5a is weldingly fixed on car roof skeleton 7.
The car body is installed on the top of bogie, in order on the premise of chassis overall construction intensity and rigidity is ensured, drop The gross weight of low chassis, meets the light-weighted requirement of vehicle, in the present embodiment, chassis 4 it is overall using stainless steel material welding and Into.
As shown in Figure 2 and Figure 6, chassis 4 includes end carriage 27, the edge beam of underframe positioned at cross-car both sides of rear and front end 28th, two longerons 29 among two edge beam of underframe 28 and two groups of cover plate compositions 30.The both sides of end carriage 27 are welded and fixed On the edge beam of underframe 28 of both sides, in order to improve the transmission force property of chassis, in the present embodiment, two longerons are set in chassis 4 29, the preceding thing both ends of two longerons 29 are respectively welded on the end carriage 27 for being fixed on rear and front end.Two groups of cover plate compositions 30 weld respectively Connect the longeron 29 for being fixed on respective side, on edge beam of underframe 28, be compartment gang way floor between two longerons 29, with adjacent compartment Floor is concordant.The longeron 29 of edge beam of underframe 28, two of end carriage 27, two and two groups of cover plate compositions 30 (refer to car body length with car body longitudinal direction Degree direction) it is symmetrical arranged centered on center line.The part of the chassis 4 in bogie region employs modularized design, can be with it The respective regions of its middle car realize that structure is exchanged, and simplify production technology, improve the versatility of maintenance.
As shown in Fig. 2, Fig. 6 and Fig. 8, in the present embodiment, longeron 29 is integrally upward in center section along length over ends of body direction " several " character form structure of bending, to meet the space requirement of bottom bogie.In order to improve the structural strength of longeron 29 and power transmission Performance, the section of longeron 29 preferably use " II " shape, are welded by upper plate 29a, lower plate 29b and two side plate 29c splicings.On Plate 29a, lower plate 29b and two side plate 29c end are welded to connect with former and later two end carriages 27 respectively, and preferably, upper plate 29a and Lower plate 29b is in the "eight" shape structure extended out, to increase the solder side between longeron 29 and end carriage 27 respectively at both ends Product, the bonding strength of longeron 29 is improved, further improves transmission force property.
Edge beam of underframe 28 includes former and later two parts, and the side rail configuration of two parts is identical, using bar section of stainless steel knot Structure, there is section bar cavity among it, section is inverted L-shaped, to improve the structural strength of edge beam of underframe 28 and rigidity, reduces welding Stress.
Multiple needle beams are set respectively between two longerons 29 and between longeron 29 and edge beam of underframe 28, further to increase Add the overall construction intensity and rigidity of chassis 4.One is welded to connect between the edge beam of underframe 28 in longeron 29 and the front of homonymy First needle beam 31, second needle beam 32 is also welded to connect between the edge beam of underframe 28 at longeron 29 and the rear of homonymy, Four needle beams are welded between two longerons 29, are respectively welded at positioned at the both sides of the 3rd needle beam 33 of front-end and back-end On the side surface of the longeron 29 of both sides, two the 4th needle beams 34 positioned at centre are welded on the lower surface of the longeron 29 of both sides On, chute is provided with the 4th needle beam 34, shock absorber mounting seat 35, the 4th needle beam have been bolted on chute 34 are weldingly fixed on the lower surface of longeron 29 while can also offset the difference in height to be formed is bent upwards among longeron 29 so that two Floor between individual longeron 29 is concordant.First needle beam 31, the second needle beam 32, the 3rd needle beam 33 use stainless steel bending Structure, section are U-shaped or Z-shaped.4th needle beam 34 is formed by the connecting plate welding of two L-shaped stainless steel plates and centre, to enter One step improves the structural strength and rigidity of the 4th needle beam 34.4th needle beam 34 can also weld reinforcement with the junction of longeron 29 Gusset is further to increase bonding strength.
As shown in Figure 2 and Figure 7, in the present embodiment, end carriage 27 preferably uses degree of lip-rounding beam, by upper and lower two U-shaped bending parts pair Connect and be welded, to improve the structural strength of end carriage 27 and transmission force property, while increase the connection between lower be hinged mounting seat 6 Intensity.
A c-shaped opening 36 is provided with the centre of end carriage 27, the leading section insertion of lower be hinged mounting seat 6 is arranged on C-shaped In opening 36 and connect, the EDGE CONTACT of c-shaped opening 36 and lower be hinged mounting seat 6 coordinates, and is welded using border and realizes connection.Under Be hinged mounting seat 6 is overall trapezoidal, and the end portion width being connected with c-shaped opening 36 is more than the end portion width of the other end, to increase Bonding area between be hinged mounting seat 6 and end carriage 27 down, increase bonding strength.
As shown in figures 7 and 9, the assembling of lower be hinged mounting seat 6 for convenience, lower be hinged mounting seat 6 use the knot of split Structure, it is made up of preceding mounting seat 37 and the butt welding of rear mounting seat 38, two is welded between preceding mounting seat 37 and rear mounting seat 38 Individual cant board 39, the mounting hole 40 for installing articulated mounting is provided with rear mounting seat 38.In lower be hinged mounting seat 6 Between there is the opening of up/down perforation, while weight is mitigated, convenient installation articulated mounting, two cant boards 39 set up separately in opening Both sides.
Preceding mounting seat 37 generally I-shaped after welding, the horizontal sides and vertical edges of the front end of I-shaped and end The edge border of the c-shaped opening 36 of beam 27 is welded to connect.The assembling of lower be hinged mounting seat 6 for convenience, preceding mounting seat 37 is by upper Lower two " T " shape structures part butt welding is formed, and the vertical section of rear mounting seat 38 is substantially U-shaped, preceding mounting seat 37 and rear peace Dress seat 38 is provided with welding groove in the opening position of docking.
In the present embodiment, lower be hinged mounting seat 6 is made of carbon steel material, is tied with the overall of be hinged mounting seat 6 under raising Structure strength and stiffness.The two " T " shape structure parts and rear mounting seat 38 of preceding mounting seat 37 are respectively adopted cast carbon steel and formed, and ensure Intensity and raising power transmission performance.The lower be hinged technique of mounting seat 6 is simple, has good rigidity and intensity, meets carrying It is required that and requirements of installation space.
As shown in Figure 2 and Figure 6, cover plate composition 30 is to provide suitable working space to bogie composition, be simultaneously The seat installation on its top provides enough strength and stiffness.Every group of cover plate 30 structures of composition are identical, including cover plate longeron group Into 41 and for installing the first cover plate 42 and the second cover plate 43 of seat.First cover plate 42 is symmetrical arranged two along length over ends of body direction It is individual, cross seat is installed, the second cover plate 43 is arranged on the centre of two the first cover plates 42, and the second cover plate 43 is high on the first cover plate 42 Installed in the first cover plate 42, longitudinal seat is installed on the second cover plate 43.Cover plate longeron composition 41 is used for chassis and vehicle body side wall Skeleton is connected, and the first cover plate 42, the sidepiece of the second cover plate 43 are weldingly fixed on cover plate longeron composition 41.
Cover plate longeron composition 41 is made up of longeron 41a under longeron (not shown) on cover plate and cover plate, longeron on cover plate It is be arranged in parallel with longeron 41a under cover plate, is provided with multiple first vertical beams 44 between longeron 41a under longeron and cover plate on the cover board, Longeron 41a rear and front end is welded to connect by the second vertical beam 45 with edge beam of underframe 28 respectively under cover plate.
Longeron 29a is formed by stainless steel plate bending under longeron and cover plate on cover plate, and the section of longeron is inverted L-shaped on cover plate, Longeron 29a section is U-shaped under cover plate.The section of first vertical beam 44 is U-shaped.While weight is mitigated, cover plate can be improved The structural strength and rigidity of longeron composition 41.
First cover plate 42 is made up of upper cover plate 42a, first end plate, the second end plate 42b, side plate 42c, first end plate, second The corresponding rear and front ends for being arranged on upper cover plate 42a of end plate 42b, upper cover plate 42a, first end plate, the second end plate 42b, side plate 42c Formed by stainless steel plate bending, upper cover plate 42a is in integrally step-like, to coordinate the installation of each part of bogie of lower section.Side plate 42c bottom is weldingly fixed on the upper plate 29a of longeron 29, and side plate 42c rear and front end is respectively welded with the 3rd vertical beam 46, and the 3rd The bottom of vertical beam 46 is also welded on the upper plate 29a of longeron 29.Another side of first end plate is welded to connect with the second vertical beam 45, Upper cover plate 42a side is welded to connect under cover plate on longeron 29a, meets seat bearing requirements.
Second cover plate 43 is made up of cover plate 43a, forward and backward end plate 43b, side plate 43c and bottom plate 43d, cover plate 43a, forward and backward End plate 43b, side plate 43c, bottom plate 43d formed by stainless steel plate bending.Forward and backward end plate 43b bottom and the first cover plate 42 Upper cover plate 42a be welded to connect, forward and backward end plate 43b side is welded to connect with the first vertical beam 44, forward and backward end plate 43b's Stiffening plate 47 is also welded between opposite side and upper cover plate 42a.Welded with longeron in the first vertical beam 44 and cover plate cover plate 43a side Connect in succession.Side plate 43c is T-shaped, is welded to connect with upper cover plate 42a, the second end plate 42b.Bottom plate 43d and the second end plate 42b and vertical Beam 29 is welded to connect, and bottom plate 43d is concordant with gang way floor.It is additionally provided with cover plate 43a upper surface by crossbeam and longeron group Into be in netted panting beam 48, improve the vertical stiffness of the second cover plate 43, meet seat bearing requirements.
The side towards car body longitudinal centre line of longeron 29 is provided with horizontal backstop mounting seat 51, in relative side Lateral damper mounting seat 49 is provided with, is provided with drawing pull bar mounting seat 50 on the lower surface thereof.
The Undercarriage structure of the present invention integrally uses high-strength stainless steel material, and structure is light sheet bending part, not only be ensure that The installing space of bogie, meets the space requirement of the seating posture of passenger, also in light weight, intensity is high, rigidity is big, transmission force property The advantages of good.The Undercarriage structure can ensure that all floor levels of car body area are not higher than 350mm, strong by property.
As described above, the plan content with reference to given by accompanying drawing, can derive similar technical scheme.In every case it is not de- From the content of technical solution of the present invention, any simple modification made according to technical spirit of the invention to above example, etc. With change and modification, in the range of still falling within technical solution of the present invention.

Claims (15)

  1. Be stainless steel car body 1. a kind of 100% low-floor tramcar body construction, including roof, side wall, headwall, chassis, on Be hinged mounting seat and lower be hinged mounting seat, it is characterised in that:The roof is by car roof skeleton, roof panels and covering for roofs plate group Into the roof panels are fixed on car roof skeleton, and the covering for roofs plate is arranged on the both sides of roof panels, and the headwall is by both sides Headwall column and centre end wall panel composition, the top and bottom of the headwall column connect with roof and welding of underframe respectively Connect, the end wall panel is welded between two headwall columns, and the side wall is made up of outside jacket plates, framed side wallboard and side wall skeleton, institute Framed side wallboard is stated to be fixed on side wall skeleton, the outside jacket plates are fixed on framed side wallboard, between the roof and headwall and roof with It is welded to connect between side wall by several reinforcements, lightening hole is provided with the reinforcement.
  2. A kind of 2. 100% low-floor tramcar body construction according to claim 1, it is characterised in that:The headwall Column and end wall panel form by stainless steel plate bending.
  3. A kind of 3. 100% low-floor tramcar body construction according to claim 2, it is characterised in that:The headwall Column is L-shaped body including cross section, the L-shaped flanging of inside bending is respectively provided with two sides of L-shaped main body, in the master of L-shaped Several strip reinforcements are provided with body.
  4. A kind of 4. 100% low-floor tramcar body construction according to claim 3, it is characterised in that:At the end It is parallel from top to bottom on wall column to be welded with multiple stiffener plates, it is provided with lightening hole in the stiffener plate.
  5. A kind of 5. 100% low-floor tramcar body construction according to claim 1, it is characterised in that:In the side It is welded to connect at the window angle of wall skeleton by reinforcing plate, is fixed and connected by plug welding technique between the reinforcing plate and side wall skeleton Connect.
  6. A kind of 6. 100% low-floor tramcar body construction according to claim 1, it is characterised in that:The roof Outside jacket plates are fixedly connected by several supports with car roof skeleton, and the support is L-shaped, in the inner surface of the covering for roofs plate On be provided with least one the first chute extended along length over ends of body direction, support setting correspond on the car roof skeleton There is the second chute, two sides of the support are bolted to connection on the first chute and the second chute respectively.
  7. A kind of 7. 100% low-floor tramcar body construction according to claim 1, it is characterised in that:The roof Skeleton is welded by the car roof side-beam of both sides and the splicing of the roof cross beam among car roof side-beam and roof rail, at two Multiple mounting rails for being used to fix roof apparatus are provided with by bolt between car roof side-beam, the reinforcement is correspondingly arranged at car The end of head piece and roof rail.
  8. A kind of 8. 100% low-floor tramcar body construction according to claim 1, it is characterised in that:The upper hinge Connect mounting seat to be welded by level board and vertical panel, multiple vertical reinforcements are welded between the level board and vertical panel Plate, the level board are weldingly fixed on the car roof skeleton.
  9. A kind of 9. 100% low-floor tramcar body construction according to claim 1, it is characterised in that:The chassis The edge beam of underframe of end carriage, both sides including rear and front end, two longerons and two groups of cover plate compositions, the both sides welding of the end carriage are solid It is scheduled on the edge beam of underframe of both sides, two longerons are set in parallel between two edge beam of underframe, the both ends point of the longeron Be not weldingly fixed on the end carriage of rear and front end, described in two groups cover plate composition be respectively welded be fixed on respective side the longeron and On edge beam of underframe, lower be hinged mounting seat is respectively welded on two end carriages.
  10. A kind of 10. 100% low-floor tramcar body construction according to claim 9, it is characterised in that:The cover plate Composition is formed by stainless steel plate bending.
  11. A kind of 11. 100% low-floor tramcar body construction according to claim 9, it is characterised in that:The longeron Section be " II " shape, be welded by upper plate, lower plate and the splicing of two side plates.
  12. A kind of 12. 100% low-floor tramcar body construction according to claim 9, it is characterised in that:The longeron " several " character form structure being integrally bent upwards along length over ends of body direction in center section.
  13. A kind of 13. 100% low-floor tramcar body construction according to claim 9, it is characterised in that:The end carriage Centre be provided with c-shaped opening, the end insertion of the lower be hinged mounting seat, which is arranged in the c-shaped opening, to be welded to connect.
  14. A kind of 14. 100% low-floor tramcar body construction according to claim 13, it is characterised in that:Under described Be hinged mounting seat is the structure of split, is made up of preceding mounting seat and rear mounting seat butt welding, in the preceding mounting seat and rear peace Multiple cant boards are welded between dress seat, are provided with mounting hole in mounting seat in the rear.
  15. A kind of 15. 100% low-floor tramcar body construction according to claim 9, it is characterised in that:The cover plate Composition includes cover plate longeron and formed and for installing the first cover plate and the second cover plate of seat, and first cover plate is along length over ends of body Direction is symmetrical arranged two, and second cover plate is arranged on the centre of two the first cover plates, the cover plate longeron composition and side wall It is fixedly connected, first cover plate, the sidepiece of the second cover plate are weldingly fixed on cover plate longeron composition.
CN201711066988.1A 2017-11-03 2017-11-03 A kind of 100% low-floor tramcar body construction Active CN107878483B (en)

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CN108791338A (en) * 2018-05-23 2018-11-13 中车唐山机车车辆有限公司 rail vehicle
CN109263670A (en) * 2018-11-16 2019-01-25 中车株洲电力机车有限公司 A kind of low-floor rail vehicle top cover and low-floor rail vehicle
CN110667628A (en) * 2019-10-28 2020-01-10 中铁轨道交通装备有限公司 Car body chassis and have its tram
CN110773896A (en) * 2019-11-12 2020-02-11 河北京车轨道交通车辆装备有限公司 Method for controlling deformation of 100% low-floor modern tramcar aluminum alloy body
CN110789549A (en) * 2019-11-13 2020-02-14 中铁轨道交通装备有限公司 End wall structure and tramcar with same
US11130506B2 (en) * 2018-09-06 2021-09-28 Crrc Qingdao Sifang Co., Ltd. Rail vehicle

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CN108791338A (en) * 2018-05-23 2018-11-13 中车唐山机车车辆有限公司 rail vehicle
CN108791338B (en) * 2018-05-23 2020-01-10 中车唐山机车车辆有限公司 Rail vehicle
US11130506B2 (en) * 2018-09-06 2021-09-28 Crrc Qingdao Sifang Co., Ltd. Rail vehicle
CN109263670A (en) * 2018-11-16 2019-01-25 中车株洲电力机车有限公司 A kind of low-floor rail vehicle top cover and low-floor rail vehicle
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CN110667628A (en) * 2019-10-28 2020-01-10 中铁轨道交通装备有限公司 Car body chassis and have its tram
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CN110773896A (en) * 2019-11-12 2020-02-11 河北京车轨道交通车辆装备有限公司 Method for controlling deformation of 100% low-floor modern tramcar aluminum alloy body
CN110789549A (en) * 2019-11-13 2020-02-14 中铁轨道交通装备有限公司 End wall structure and tramcar with same

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