CN102381330B - Railway flatcar body with adaptive high weight concentration capacity - Google Patents

Railway flatcar body with adaptive high weight concentration capacity Download PDF

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Publication number
CN102381330B
CN102381330B CN201110279381.8A CN201110279381A CN102381330B CN 102381330 B CN102381330 B CN 102381330B CN 201110279381 A CN201110279381 A CN 201110279381A CN 102381330 B CN102381330 B CN 102381330B
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composition
central sill
curb girder
sleeper
car body
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CN102381330A (en
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孙晓云
廖小平
兰叶
王武建
关雪梅
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CRRC Qiqihar Rolling Stock Co Ltd
CRRC Beijing Erqi Vehicle Co Ltd
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CSR Erqi Vehicle Co Ltd
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Abstract

The invention relates to a railway flatcar body with adaptive high weight concentration capacity, which comprises a middle beam assembly, a side beam assembly, a sleeper beam assembly, a crossbeam assembly, an end beam assembly and a following beam assembly. The railway flatcar body is characterized in that the middle beam assembly consists of two fish-bellied middle beams made of H-beam steel, the internal pitch between two web plates of each central beam ranges from 400mm to 600mm, the section of a fish-bellied portion of each web plate is higher than 700mm, the two web plates are connected by a middle beam partition board, cap-shaped traction beams are embedded at two ends of each middle beam, the internal pitch between web plates of each traction beam is 50mm, the side beam assembly consists of a side beam, a stake pocket and a rope lug, the side beam is parallel to the middle beams, and the height of the section of the side beam ranges from 300mm to 500mm. A middle beam structure of the embedded traction beams with double web plates is adopted, carrying rigidity and strength of the flatcar body can be improved, goods with high weight concentration can be transported, and weight concentration capacity can reach 80t/5m and even reaches 90t/5. In addition, the height of the section of the side beam is reduced to a range between 300mm to 500mm.

Description

Adapt to the articulated car car body of great Ji Beijing South Maxpower Technology Co. Ltd power
Technical field
The present invention relates to a kind of railway truck, relate to particularly the articulated car car body of a kind of great Ji Beijing South Maxpower Technology Co. Ltd power, itself and supporting large axle load bogie, brake equipment and coupler and draft gear group are integrated, specialize in the large concentrated weight goods of transport and use, the collection Beijing South Maxpower Technology Co. Ltd power of car body can reach 80t level to 90t level from 70t level.
Background technology
Along with the great-leap-forward development that " fast, close, heavy " develops simultaneously, railway truck has been realized the skill upgrading of 60t level to 70t level, and towards 80t level and even the development of 90t level, vehicle performance requires more and more higher.And, for giving full play to distance via railway length, the low advantage that consumes energy to advance the progress of material flow industry, the suitable scope of carrying of railway truck constantly expands, goods such as generator amature, the contour density of large-scale coil of strip constantly enters the category of railway transportation, this has just proposed higher requirement to the collection Beijing South Maxpower Technology Co. Ltd power of the articulated car that transports these goods, the power 70t/5m of collection Beijing South Maxpower Technology Co. Ltd of existing railway lorry can not meet the demands, and collection Beijing South Maxpower Technology Co. Ltd power need to break through to 80t/5m and even 90t/5m.
The main load bearing component of articulated car car body has central sill, the curb girder of longitudinal laying, wherein central sill is as the main backbone of car body, bear vehicle 60%~70% load-carrying, curb girder is born 30%~40% load-carrying, sleeper beam, as the lateral transport structure of central sill draw beam longitudinal force and central sill, the vertical carrying force of curb girder, is the vitals of connection body and bogie truck.The structural strength of these parts directly affects vehicle load and the heavy ability of collection, two H shaped steel central sills of central sill composition employing of existing railway flat car car body add, the box-structure of lower cover, because being subject to the impact in material property, shaped steel cross section, in the maximum adopting, beam section height is only 700mm, two middle web inner side distances are only 350mm, make the integral rigidity of central sill composition and intensity again without the space of lifting, only can realize the collection Beijing South Maxpower Technology Co. Ltd power of 70t/5m, and then the entirety collection Beijing South Maxpower Technology Co. Ltd power that can only take to increase side beam structure and supplement car body.And the monolithic H shaped steel curb girder depth of section of existing flatcar is general identical with central sill, make curb girder lower plane less apart from rolling stock clearance [for railway, safety allowance is little, the drill carriage demand while checking braking, bogie truck accessory state under station inspector car of simultaneously also giving is brought very big inconvenience, and row inspection difficulty is the typical problem of existing flatcar always.
Summary of the invention
Therefore, for solving the heavy capability problems of articulated car collection, reduce row inspection difficulty simultaneously, the invention provides the articulated car car body of a kind of great Ji of adaptation Beijing South Maxpower Technology Co. Ltd power, by adopting the center sill structure of the two web draw beams of nested type, and its curb girder of relative set, sleeper beam and beam structure, make the collection Beijing South Maxpower Technology Co. Ltd power of car body can reach 80t/5m to 90t/5m; Powerful center sill structure can correspondingly reduce curb girder cross section, and the car body of little curb girder meets row inspection space requirement.
The present invention for achieving the above object, the present invention takes following technical scheme: the articulated car car body of a kind of great Ji of adaptation Beijing South Maxpower Technology Co. Ltd power, comprise central sill composition, curb girder composition, sleeper beam composition, crossbeam composition, end carriage composition, beam composition, it is characterized in that: described central sill composition, curb girder composition, beam composition is forward to be arranged, curb girder composition divides two groups of left sides that are arranged in central sill composition, right both sides, beam composition divides many groups to be arranged between central sill composition and curb girder composition, described sleeper beam composition, crossbeam composition, end carriage composition is lateral arrangement and forms at central sill, on curb girder composition and beam composition, sleeper beam composition divides two groups to be arranged in face of upper that central sill forms and curb girder forms, rear position, crossbeam composition is divided into polycomponent cloth before sleeper beam composition, after, described end carriage composition is divided into two groups and is arranged in central sill composition, the two ends of curb girder composition and beam composition, described central sill composition comprises two fish belly type central sills of being made by H shaped steel, in central sill two webs, spacing is 400~600mm, and fish belly portion depth of section, more than 700mm, connects by central sill dividing plate between two webs, the nested shape for hat draw beam in central sill both ends, in draw beam web, spacing is 350mm, described curb girder composition is inserted by curb girder, post and rope bolt forms, and curb girder is parallel with central sill composition, and curb girder depth of section is 300mm~500mm.
The inner side of described draw beam is fixed with front draft lug and rear draft lug and pillow median septum; On described central sill, be coated with upper cover plate, under be coated with lower cover.
Described sleeper beam composition is made up of the rear brace panel of the two groups of type of falling π structural beams, sleeper beam upper cover plate and pillow, wherein the two groups of type of falling π structural beams are connected to the bottom surface of sleeper beam upper cover plate, after pillow, brace panel is erected at the side of upper cover plate, described in when installation, down, upper cover plate covers on central sill composition and curb girder composition the type of falling π structural beams.
The described type of falling π structural beams is made up of two body bolster diaphragms, sleeper beam lower cover and the sleeper beam dividing plate that connects two body bolster diaphragms.
Described crossbeam composition comprises centre cross member composition, is distributed in cross bearer composition and the needle beam of centre cross member both sides, described centre cross member composition is divided into two groups and is arranged in both sides, car body middle part, each group all comprises two I type crossbeams, I type crossbeam one end is connected on central sill, and the other end is connected on curb girder nearby.
Described I type crossbeam and described cross bearer composition are all made up of upper cover plate, cantilever diaphragm and crossbeam lower cover; Described needle beam is trench structure.
Described end carriage composition comprises an inverted L shape entirety end carriage, two split type end carriage lower covers, four end ferry plate bearings, two end ferry plate folding seats and two rope bolts, two split type end carriage lower covers are arranged on the both sides of end carriage gap, and inverted L shape entirety end carriage is arranged in the end of central sill composition and curb girder composition.
Described beam composition is made up of beam, beam bearing and beam gusset, and beam is trench structure, lays along the longitudinal entire body of car body, segmentation between each crossbeam, connect each cantilever diaphragm, beam one end is directly connected with each cantilever diaphragm, and the other end is connected with each cantilever diaphragm by beam bearing.
Described fire-proof plate composition is made up of fire-proof plate and fire-proof plate gusset, fire-proof plate solid welding is on the beam lower plane of sleeper beam both sides, fire-proof plate length enough stops that between wheel and brake block, friction spark splashes to vehicle body upper portion, and fire-proof plate gusset is welded between fire-proof plate and beam.
For the car body that freight container is installed, be provided with lock lower support structure at central part and end.
The present invention is owing to taking above technical scheme, it has the following advantages: 1, the present invention adopts the center sill structure of the two web draw beams of nested type, load-bearing rigidity and the intensity that can improve car body, realize the transport of large concentrated weight goods, the collection Li Keda 80t/5m of Beijing South Maxpower Technology Co. Ltd and even 90t/5m.2, the present invention adopts the grooved curb girder of small bore, can clod wash or hot rolling and obtaining.The depth of section of curb girder can be set to 300mm~500mm, reduces 130mm~330mm than existing flatcar curb girder, can increase drill carriage space under row inspection car, reduces row inspection task difficulty, is beneficial to the state-maintenance of train.3, the sleeper beam of two web box-structures composition has larger vertical and torsional stiffness, after integral type sleeper beam upper cover plate and pillow, brace panel has strengthened the globality of sleeper beam composition, traction, impact longitudinal force effectively can be delivered on curb girder, and be transitioned on the rear central sill of pillow, improve the force-bearing situation of pillow pulling structure, reduce the attachment weld at this position.4, car body is except arranging sleeper beam composition, centre cross member composition, four cross bearer compositions, 12 needle beams are also arranged, increase the connection of central sill composition and curb girder composition, car body integral rigidity is strengthened, realize the utilization of small bore curb girder by horizontal connection reinforcement, homogenizing small bore curb girder be subject to force level.5, the utilization of beam bearing realizes location, the longitudinal one end of beam, and one end tolerance discharges, and the length accuracy of beam is required to loosen, and can adopt simple technology for blanking can ensure precision, and the installation of beam has more manufacturability.6, car body arranges fire-proof plate and forms to stop that between wheel and brake block, friction spark splashes to vehicle body upper portion, wood covering and the goods of avoiding igniting on car body.
Brief description of the drawings
Fig. 1 is axonometric drawing of the present invention;
Fig. 2 is front view of the present invention;
Fig. 3 is birds-eye view of the present invention;
Fig. 4 is the axonometric drawing (cancelling connecting panel in central sill upper cover plate and pillow) of central sill composition;
Fig. 5 is the position view of connecting panel in upper cover plate during central sill forms, lower cover, pillow;
Fig. 6 is the section drawing at the two web central sill draw beams of nested type position;
Fig. 7 is the axonometric drawing of curb girder composition;
Fig. 8 is the axonometric drawing of sleeper beam composition;
Fig. 9 is single group axonometric drawing (cancelling sleeper beam upper cover plate) of sleeper beam composition;
Figure 10 is centre cross member composition axonometric drawing;
Figure 11 is the axonometric drawing of cross bearer composition;
Figure 12 is the axonometric drawing of needle beam;
Figure 13 is the axonometric drawing (cancelling crossbeam upper cover plate) of end carriage composition;
Figure 14 is the axonometric drawing of beam composition;
Figure 15 is the axonometric drawing of fire-proof plate composition.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in FIG. 1 to 3, for articulated car car body, generally comprise as lower member: central sill composition 1, two curb girder compositions 2, two sleeper beam compositions 3, two centre cross member compositions 4, central authorities and end lock lower support structures 5 are (for the car body of loading container, need this structure, in addition do not need), 6,12 needle beams of four cross bearers composition 7, two end carriage compositions 8, multiple beam composition 9 and eight fire-proof plates compositions 10.
Central sill composition 1, as shown in Figure 4, it is made up of connecting panel 113 in two fish belly type H shaped steel central sills 11, nested hat shape steel draw beam 12, front draft lug 13, rear draft lug 14, follower seat hole strength beam 15, pillow median septum 16, cartridge backing plate 17, body center plate 18, the rear cartridge brace panel 19 of pillow, central sill dividing plate 110, central sill lower cover 111, central sill upper cover plate 112, pillow, as shown in Figure 5, (in Fig. 4, in central sill lower cover, central sill upper cover plate, pillow, connecting panel forms depending on not going out).
Fish belly type H shaped steel central sill 11 is by the large-scale hot rolled H-shaped fish belly type that cuts into more than depth of section 700mm, and middle part depth of section is constant, becomes fish belly portion, and to two ends, step-down forms tractive unit gradually.Two fish belly type H shaped steel central sills 11 become the two web central sill draw beam structures of nested type with nested hat shape steel draw beam 12 assembly weldings, as shown in Figure 6, nested hat shape steel draw beam 12 is welded on tractive unit inner side, the web spacing of nested hat shape steel draw beam 12 is set to 350mm, as the installation running-on of coupler and draft gear, thereby the web spacing of two central sills 11 can expand 400~600mm to, realize compared with the heavy section steel on wide width wing limit and done central sill, ensure the operational space of central sill dividing plate welding.The two web central sill assembly welding structures of nested type of this heavy section steel can make central sill obtain larger Rigidity and strength, bear the larger longitudinal traction of heavy-duty lorry generation in service and the articulated car of longitudinal impact force adaptation 80t/5m or 90t/5m collection Beijing South Maxpower Technology Co. Ltd power.
As shown in Figure 4, at the traction of disposed inboard vehicle, required front draft lug 13 and the rear draft lug 14 of shock absorber of nested hat shape steel draw beam 12, and adopt riveted joint form that front draft lug 13 and rear draft lug 14 are fixed as one with draw beam 12.In order to strengthen the Joint strenght of inside and outside draw beam, and realize follower seat and rivet working space demand, on central sill tractive unit web, the position of corresponding front draft lug 13 and rear draft lug 14 is emptied, and at the follower seat hole strength beam 15 of emptying web edge edge door frame shaped processed, one end of follower seat hole strength beam 15 and draw beam 12 solid weldings, the other end is through the web of emptying, in outside and middle web solid welding.
Pillow median septum 16 is connected in the web inner side of central sill 11, the clearing end of draw beam 12, aligns with the sleeper beam of web outside.The longitudinal traction of heavy-duty lorry generation in service and longitudinal impact force one road from front draft lug 13 or rear draft lug 14 to draw beam 12, pillow median septum 16, then to central sill 11, car body sleeper beam, curb girder transmission; Lead up to follower seat hole strength beam 15 directly to central sill 11, then to car body sleeper beam, curb girder transmission.The structure that longitudinal force transmission is dispersed is conducive to avoid the local stress collection weight of central sill draw beam, ensures the serviceability of structure.At central sill bottom welding cartridge backing plate 17, body center plate 18 is fixed on cartridge backing plate 17.For coordinating the support of body center plate, and increase the local strength of central sill 11 at fish belly variation portion, set up the rear cartridge brace panel 19 of pillow at body center plate place, point left and right two connection cartridge backing plates 17 and central sill 11.At central sill fish belly, portion arranges central sill dividing plate 110, and central sill upper cover plate 112 is set between upper limb limit, central sill lower cover 111 is set between bottom wing limit and forms box-structure; Position in corresponding pillow, between central sill upper limb limit, pillow is set in connecting panel 113, form box-structure together with pillow median septum 106, cartridge backing plate 107.
Curb girder composition 2, as shown in Figure 7, divide two groups of both sides that are arranged in central sill composition, formed by curb girder 21, post slotting 22 and rope bolt 23, curb girder 21 is U-steel, can clod wash or rolling form, depth of section can be set to 300mm~500mm according to important the asking of collection, reduces 130mm~330mm than existing flatcar curb girder.Two curb girder compositions 2 are arranged in left side and the right side of car body, become the longitudinal beam of car body together with central sill composition 1.
Sleeper beam composition 3, as shown in Figure 8, Figure 9, points two groups be arranged in central sill composition and curb girder composition above, forward and backward two ends, for amphisternous box-structure, formed by brace panel 32 after the left and right two groups of type of falling π structural beams 30, all-in-one-piece sleeper beam upper cover plate 31 and pillow.The every group of type of falling π structural beams is made up of two body bolster diaphragms 33, a sleeper beam lower cover 34 and the sleeper beam dividing plate 35 that connects two body bolster diaphragms, is connected under upper cover plate 31.After pillow, brace panel 32 is erected on the side of upper cover plate 31.Two sleeper beams form the forward and backward position of 3 apportion car bodies, be laterally connected between central sill 11 and two curb girders 21, structural beams 30 down, upper cover plate 31 covers on two groups of structural beams 30, two curb girder compositions 2 and central sill composition 1, the globality that strengthens sleeper beam composition, becomes stressed main transverse beam, central sill can be formed to 1 traction of bearing, impact longitudinal force and be effectively delivered on curb girder composition 2, otherwise, curb girder composition 2 vertical forces that bear are delivered on central sill composition 1.
Centre cross member composition 4, as shown in figure 10, is made up of two groups of I type crossbeams, and wherein each I type crossbeam is made up of crossbeam upper cover plate 41, cantilever diaphragm 42 and crossbeam lower cover 43.Two centre cross members form 4 apportion car body meta both sides, and one end is connected on central sill 11, and the other end is connected on curb girder 21 nearby.
For the car body of loading container, also need to form on 4 central authorities' lock lower support structure 5 is set at centre cross member, if not container car, can not arrange.Corresponding to two beam structures of centre cross member composition 4, central authorities' lock lower support structure 5 is double-lock structures, is made up of backing plate and plate lower support.Backing plate is square plate, is laid on the upper cover plate 41 of two groups of I type crossbeams, and its smooth upper plane is contact and the solid welding face of container locking device on car body, is the first make contact that locking device is delivered to car body.On backing plate, open two square holes, be respectively used to install a locking device, square hole shape can be determined according to the tapered end shape of locking device.It is the support strength of strengthening backing plate that plate lower support object is set, and each Support Position is no more than the square hole of backing plate in order to avoid occupies the parking space of tapered end off-position.Central authorities' lock lower support structure is arranged between two groups of I type crossbeams, freight container that central locking device is born is vertical, vertical and horizontal power can form 4 by centre cross member and be delivered to central sill composition 1 and curb girder composition 2 gets on, and can effectively the concentrated load of these local structure of lock lower support be delivered on each girder.
As shown in Figure 1, corresponding car body loads the container angle position, end of two 20ft freight containers, is also the corner fittings position of loading a 40ft freight container, and end lock lower support structure 5 is set.On the backing plate of end lock lower support structure 5, open a square hole, square hole shape and size are consistent with the square hole of twin-lock backing plate.
Cross bearer composition 6, as shown in figure 11, to form 4 structures substantially the same with centre cross member, also forms I type structure by cross bearer upper cover plate 61, cantilever diaphragm 62 and crossbeam lower cover 63, relatively centre cross member upper cover plate 41, cross bearer upper cover plate 61 is not locked the otch at backing plate square hole edge.Four cross bearer compositions 6 are divided into two groups, are arranged in the both sides of centre cross member composition, the end point of close central sill fish belly, and one end of each cross bearer composition 6 is connected on central sill 11, and the other end is connected on curb girder 21 nearby.Two groups of cross bearers form 6 center-to-center distances and are generally 4500~5000mm, are that the outermost end collection of the maximum collection of car body heavy industry condition 80t/5m~90t/5m carries point of action, and its layout is beneficial to the power of central sill composition 1 and curb girder composition 2 and bears.
Needle beam 7, as shown in figure 12, is trench structure, is connected between central sill 11 and curb girder 21, and gap is cut according to the top flange of central sill 11 and curb girder 21 in two ends.12 needle beams 7 are arranged between each large-scale transverse beam (comprising sleeper beam composition 3, centre cross member composition 4, cross bearer composition 6, end carriage composition 8), play the effect of auxiliary pass force crossly.
End carriage composition 8, as shown in figure 13, is F type, comprises inverted L shape entirety end carriage 81, end carriage lower cover 82, end ferry plate bearing 83, end ferry plate folding seat 84 and rope bolt 85.Inverted L shape entirety end carriage 81 is arranged in the end of central sill composition 1 and curb girder composition 2, end carriage lower cover is arranged on the both sides of end carriage gap, the horizontal longitudinal beam of connection body together with the inverted L shape entirety end carriage 81 end carriage lower cover 82 split type with two, the pass force crossly that had both participated in car body end container locking device also participates in the power transmission of car body longitudinal impact force.Four end ferry plate bearings 83, two end ferry plate folding seats 84 and two rope bolts 85 are set on end carriage 81.
Beam composition 9, as shown in figure 14, is made up of beam 91, beam bearing 92 and beam gusset 93, plays the effect of supporting car body overwood floor, and longitudinal component power transmission.Beam 91 is trench structure, lays along the longitudinal entire body of car body, and segmentation between each crossbeam, connects each cantilever diaphragm.Beam 91 one end are directly connected with each cantilever diaphragm, and as the longitudinal register of beam, the other end is connected by beam bearing 92 with each cantilever diaphragm, i.e. the beam bearing 92 and web solid welding of L-type, and 92 one end in beam 91 of beam bearing arrange; The lower plane of beam 91 is overlapped on the beam bearing 92 of L-type, and transversal web is close to location, longitudinally for tolerance discharges end, the length accuracy of beam 91 is required to loosen, and can adopt simple technology for blanking can ensure precision, and the installation of beam 91 has more manufacturability.
Fire-proof plate composition 10, as shown in figure 15, is made up of fire-proof plate 101 and fire-proof plate gusset 102.Fire-proof plate 101 is sheet metal, and solid welding is on the beam lower plane of sleeper beam both sides, and fire-proof plate 101 length long enoughs to be to stop that between wheel and brake block, friction spark splashes to vehicle body upper portion, wood covering and the goods of avoiding igniting on car body.Reliable for strengthening the location of fire-proof plate 101, between fire-proof plate 101 and beam 91, weld fire-proof plate gusset 102, fire-proof plate gusset 102 is cut the web solid welding of gap and beam 91 at beam 91 groove sides, do not cut gap at the beam 91 groove back sides, direct and web solid welding.
The present invention adopts the two web structure of nested type, makes middle beam width be increased to 400~600mm, has improved load-bearing rigidity and the intensity of car body, the collection Li Keda 80t/5m of Beijing South Maxpower Technology Co. Ltd and even 90t/5m.The grooved curb girder that adopts small bore, depth of section can be set to 300mm~500mm, has increased drill carriage space under row inspection car, reduces row inspection task difficulty.After integral type sleeper beam upper cover plate and pillow, brace panel has strengthened the globality of sleeper beam composition.Multiple crossbeams have increased the connection of central sill composition and curb girder composition.

Claims (5)

1. one kind adapts to the articulated car car body of great Ji Beijing South Maxpower Technology Co. Ltd power, comprise central sill composition, curb girder composition, sleeper beam composition, crossbeam composition, end carriage composition, beam composition, it is characterized in that: described central sill composition, curb girder composition, beam composition is forward to be arranged, curb girder composition divides two groups of left sides that are arranged in central sill composition, right both sides, beam composition divides many groups to be arranged between central sill composition and curb girder composition, described sleeper beam composition, crossbeam composition, end carriage composition is lateral arrangement and forms at central sill, on curb girder composition and beam composition, sleeper beam composition divides two groups to be arranged in face of upper that central sill forms and curb girder forms, rear position, crossbeam composition is divided into polycomponent cloth before sleeper beam composition, after, described end carriage composition is divided into two groups and is arranged in central sill composition, the two ends of curb girder composition and beam composition,
Described central sill composition comprises two fish belly type central sills of being made by H shaped steel, in central sill two webs, spacing is 400~600mm, and fish belly portion depth of section, more than 700mm, connects by central sill dividing plate between two webs, the nested shape for hat draw beam in central sill both ends, in draw beam web, spacing is 350mm; At the traction of disposed inboard vehicle, required front draft lug and the rear draft lug of shock absorber of draw beam, and adopt riveted joint form that front draft lug and rear draft lug and draw beam are fixed as one; On the web of central sill tractive unit, the position of corresponding front draft lug and rear draft lug is emptied, and in the follower seat hole strength beam of emptying web edge edge door frame shaped processed, one end of follower seat hole strength beam and draw beam solid welding, the other end is through the web of emptying, in the web solid welding of outside and central sill; Be connected with pillow median septum at the web inner side of central sill, the clearing end of draw beam; On described central sill, be coated with upper cover plate, under be coated with lower cover; Described curb girder composition is inserted by curb girder, post and rope bolt forms, and curb girder is parallel with central sill composition, and curb girder depth of section is 300mm~500mm;
Described crossbeam composition comprises centre cross member composition, is distributed in cross bearer composition and the needle beam of centre cross member composition both sides, described centre cross member composition is divided into two groups and is arranged in both sides, car body middle part, each group all comprises two I type crossbeams, I type crossbeam one end is connected on central sill, and the other end is connected on curb girder nearby; Described I type crossbeam and described cross bearer composition are all made up of crossbeam upper cover plate, cantilever diaphragm and crossbeam lower cover; Described needle beam is trench structure, and 12 needle beams are arranged between end carriage composition and sleeper beam composition, between sleeper beam composition and cross bearer composition and between cross bearer forms and centre cross member forms;
Described beam composition is made up of beam, beam bearing and beam gusset, and beam is trench structure, lays the segmentation between the beam of each lateral arrangement of each beam along the longitudinal entire body of car body; Each beam connects the riser of the beam of each lateral arrangement, and beam one end is directly connected with each riser, and the other end is connected with each riser by beam bearing;
Also comprise eight fire-proof plate compositions, described in each, fire-proof plate composition is made up of fire-proof plate and fire-proof plate gusset, fire-proof plate solid welding is on the beam lower plane of sleeper beam composition both sides, fire-proof plate length enough stops that between wheel and brake block, friction spark splashes to vehicle body upper portion, and fire-proof plate gusset is welded between fire-proof plate and beam.
2. the articulated car car body that adapts to great Ji Beijing South Maxpower Technology Co. Ltd power as claimed in claim 1, it is characterized in that: described sleeper beam composition is made up of the rear brace panel of the two groups of type of falling π structural beams, sleeper beam upper cover plate and pillow, wherein the two groups of type of falling π structural beams are connected to the bottom surface of sleeper beam upper cover plate, after pillow, brace panel is erected at the side of sleeper beam upper cover plate, described in when installation, down, sleeper beam upper cover plate covers on central sill composition and curb girder composition the type of falling π structural beams.
3. the articulated car car body of adaptation as claimed in claim 2 great Ji Beijing South Maxpower Technology Co. Ltd power, is characterized in that: the described type of falling π structural beams is made up of the sleeper beam dividing plate of two body bolster diaphragms, sleeper beam lower cover and connection two body bolster diaphragms.
4. the articulated car car body that adapts to great Ji Beijing South Maxpower Technology Co. Ltd power as claimed in claim 1, it is characterized in that: described end carriage composition comprises an inverted L shape entirety end carriage, two split type end carriage lower covers, four end ferry plate bearings, two end ferry plate folding seats and two rope bolts, two split type end carriage lower covers are arranged on the both sides of end carriage gap, and inverted L shape entirety end carriage is arranged in the end of central sill composition and curb girder composition.
5. the articulated car car body that adapts to great Ji Beijing South Maxpower Technology Co. Ltd power as claimed in claim 1, is characterized in that: for the car body that freight container is installed, be provided with lock lower support structure at central part and end.
CN201110279381.8A 2011-09-20 2011-09-20 Railway flatcar body with adaptive high weight concentration capacity Active CN102381330B (en)

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CN105501239A (en) * 2015-12-24 2016-04-20 南车二七车辆有限公司 Center sill structure of railway flatcar
CN105539481A (en) * 2015-12-29 2016-05-04 南车二七车辆有限公司 Steel floor flatcar body for wagon
CN107600097B (en) * 2017-10-20 2024-02-13 中车山东机车车辆有限公司 Light railway hopper wagon underframe and method
CN110053636A (en) * 2019-03-25 2019-07-26 铜陵铁科轨道装备有限公司 A kind of armored car transportation flatcar
CN110509943A (en) * 2019-09-09 2019-11-29 中车齐齐哈尔车辆有限公司 Vehicle frame and flatcar
CN110450796B (en) * 2019-09-19 2024-03-19 中车眉山车辆有限公司 Railway transportation train unit for transporting U-shaped or box-shaped precast beams
CN217623548U (en) * 2022-01-28 2022-10-21 中车齐齐哈尔车辆有限公司 Railway flatcar and car body thereof

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