The double-deck loading container railway truck of a kind of heavy
Technical field
The present invention relates to a kind of railway truck, particularly about the double-deck loading container railway truck of a kind of heavy.
Background technology
The China railways freight container traffic began to carry out the double-deck container transport from 2004, container loading has three kinds of forms, and a kind of is two 20 forty equivalent unit 40s of lower floor's loading, freight container more than 40 feet or 40 feet of upper strata loading; Second kind is one 40 forty equivalent unit 40 of lower floor's loading, and the freight container more than 40 feet or 40 feet is loaded on the upper strata; The third is for respectively loading two 20 forty equivalent unit 40s up and down.China's 20 forty equivalent unit 40s have two kinds of weight, and a kind of is 24 tons, and another kind is 30.48 tons.Present weight is that 24 tons 20 forty equivalent unit 40s are no longer produced in China, and is eliminated gradually.More than 40 feet container standard weight only have 30.48 tons a kind of.The existing double-deck container vehicle of China loads gross weight smaller or equal to 78 tons, and load-carrying is less than 78 tons when having only one 40 feet of lower floor's loadings and upper strata to load a freight container more than 40 feet.Other load mode all need be joined case; Four 20 forty equivalent unit 40s of particularly double-deck loading; Wanting to allot the heavy freight container less than 19.5 tons of average case hardly maybe; The case charge is pressed in the China railways freight container traffic in addition, and the freight container of Different Weight mixes to be stacked, and 20 forty equivalent unit 40 quantity are in the great majority again.The double-deck load mode that wants to gather out 78 tons of gross weights during therefore double-deck the loading is difficulty very.So the double-deck container vehicle adopts the cargo-carring situation of individual layer basically at present, causes the significant wastage of capacity.
Summary of the invention
To the problems referred to above, the purpose of this invention is to provide that a kind of to load three std wt be 30.48 tons freight container, or four gross weights are smaller or equal to the double-deck loading container railway truck of the heavy of 92 tons 20 forty equivalent unit 40s.
For realizing above-mentioned purpose; The present invention takes following technical scheme: the double-deck loading container railway truck of a kind of heavy; It is characterized in that: it comprises loading part and end underframe; Wherein said loading part adopts and falls well format, and said loading part comprises and falls hole underframe, side wall and headwall, and the said hole underframe size that falls should be able to guarantee to load two feet or a forty equivalent unit 40; The said hole underframe that falls comprises two vertical curb girders that are provided with, and couples together with some horizontal tie-beams between two said curb girders; Said underframe both sides, the hole side wall of welding assembly one reversed convex type respectively that falls, said side wall two ends extend to top, vehicle sleeper beam end; Weld with said curb girder respectively said side wall bottom, and a side wall roof rail is respectively welded at said side wall top, and said side wall roof rail two ends also extend to top, vehicle sleeper beam end; Said side wall clear width is provided with some side wall columns, and said side wall column upper end and said side wall roof rail welding, said side wall column lower end and the welding of said curb girder; Said fall underframe two ends, hole respectively welding assembly one have inspection door and can bear the said headwall of vertical load; Said headwall bottom is concordant with said curb girder bottom; Said headwall top extends to concordant with said side wall top, and falls L shaped bending in said headwall upper press; Said end underframe comprises a draw beam, and said draw beam comprises two draw beam webs, a draw beam upper cover plate and a draw beam lower cover; Behind the two said draw beam web extend through vehicle sleeper beams, extend to form kitchen knife shape downwards, two said draw beam webs launch to form tubaeform to both sides simultaneously; Said draw beam upper cover plate covers in said draw beam web upper edge, and said draw beam lower cover with the downwarping of said draw beam web, launches to both sides behind the vehicle sleeper beam simultaneously; Cutter head and exit skirt place behind the vehicle sleeper beam and said cutter head end and the welding of said headwall, and it is that draw beam is born vehicle towed and brake load that hilt and loudspeaker mouth place vehicle sleeper beam previous crops; A converx draw beam base plate is welded in said cutter head bottom, and the said headwall of said draw beam base plate extend through is said curb girder bottom extremely, and welds with said curb girder bottom and said headwall lower edge.
Between the side wall column, be provided with diagonal brace, diagonal brace welds with the side wall column top and the bottom of both sides respectively.
Said horizontal tie-beam is horizontal or tilting, and connection mode adopts welding or riveted joint.
Adopt the L shaped steel of slab clod wash as said curb girder, and the opening channel-section steel reinforcement that makes progress is set at it under.
Adopt rectangular steel pipe as said side wall roof rail, adopt rectangular steel pipe or channel-section steel as said side wall column.
Adopt the great circle arc transition between the cutter head of said draw beam and hilt.
The present invention is owing to take above technical scheme; It has the following advantages: 1, loading part of the present invention adopts and falls well format; And the falling hole underframe size and can guarantee to load two 20 feet or one 40 forty equivalent unit 40 of loading part; Making the present invention can load three std wt is 30.48 tons freight container; Or four gross weights are smaller or equal to 92 tons 20 forty equivalent unit 40s, thereby can avoid existing double-deck container vehicle to adopt the cargo-carring situation of individual layer, improve the capacity of double-deck loading container railway truck greatly.2, the present invention is provided with diagonal brace between the side wall column, and diagonal brace welds with the side wall column top and the bottom of both sides respectively, falls the car body strength at position, hole thereby increase vehicle.
Description of drawings
Fig. 1 is a forward view of the present invention
Fig. 2 is a bottom view of the present invention
Fig. 3 is the forward view of end of the present invention underframe
Fig. 4 is the bottom view of end of the present invention underframe
Fig. 5 is the structural representation of draw beam of the present invention
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is carried out detailed description.
Like Fig. 1, shown in Figure 2; The present invention includes loading part 1 and end underframe 2; Wherein loading part 1 adopts and falls well format, and loading part 1 comprises and fall hole underframe 11, side wall 12 and headwall 13, and falls hole underframe 11 sizes and should be able to guarantee to load two 20 feet or one 40 forty equivalent unit 40.Fall hole underframe 11 and comprise two vertical curb girders 111 that are provided with, and as horizontal tie-beam 112 two curb girders 111 are coupled together with shaped steel or steel plate.Fall the hole underframe 11 both sides side wall 12 of welding assembly one reversed convex type respectively, side wall 12 two ends extend to top, sleeper beam 3 ends, bear the vertical and vertical load of vehicle.Weld with curb girder 111 respectively side wall 12 bottoms, and a side wall roof rail 121 is respectively welded at side wall 12 tops, and side wall roof rail 121 two ends also extend to top, sleeper beam 3 ends.Side wall 12 clear widths are provided with some side wall columns 122, and side wall column 122 upper ends and 121 welding of side wall roof rail, side wall column 122 lower ends and curb girder 111 welding.Fall hole underframe 11 two ends respectively welding assembly one have inspection door and can bear the headwall 13 of vertical load, headwall 13 bottoms are concordant with curb girder 111 bottoms, headwall 13 tops extend to concordant with side wall 12 tops, and fall L shaped bending in headwall 13 upper press.
Like Fig. 3~shown in Figure 5, end underframe 2 comprises a draw beam 21, and draw beam 21 comprises two draw beam webs 211, a draw beam upper cover plate 212 and a draw beam lower cover 213.Behind two draw beam webs, the 211 extend through sleeper beams 3, extend to form kitchen knife shape downwards, two draw beam webs 211 launch to form tubaeform to both sides simultaneously.Draw beam upper cover plate 212 covers in draw beam web 211 upper edges, and draw beam lower cover 213, launches to both sides with 211 downwarpings of draw beam web in sleeper beam 3 backs simultaneously.Cutter head and exit skirt place sleeper beam 3 backs and cutter head end and headwall 13 welding, and it is draw beam that hilt and loudspeaker mouth place sleeper beam 3 previous crops, bears vehicle towed and brake load.A converx draw beam base plate 214 is welded in the cutter head bottom, draw beam base plate 214 extend through headwall 13 to curb girders 11 bottoms, and with the welding of curb girder 11 bottoms and headwall 13 lower edges.
In the foregoing description, laterally tie-beam 112 can be horizontal or tilting, and connection mode adopts welding or riveted joint.
In the foregoing description, be provided with diagonal brace 123 on 122 on side wall column, diagonal brace 123 welds with side wall column 122 top and the bottom of both sides respectively, falls the car body strength at position, hole thereby increase vehicle.
In the foregoing description, adopt the L shaped steel of slab clod wash, and the opening channel-section steel reinforcement that makes progress is set at it under as curb girder 111.
In the foregoing description, adopt rectangular steel pipe as side wall roof rail 121.
In the foregoing description, adopt rectangular steel pipe or channel-section steel as side wall column 122.
In the foregoing description, adopt the great circle arc transition between the cutter head of draw beam 21 and hilt.
The present invention only describes with the foregoing description; The structure of each parts, the position is set and connects and all can change to some extent; On the basis of technical scheme of the present invention; All improvement and equivalents of individual component being carried out according to the principle of the invention all should not got rid of outside protection scope of the present invention.