A kind of concave bottom frame and railroad well car
Technical field
The utility model relates to the railroad well car technical field, relates in particular to a kind of concave bottom frame and a kind of railroad well car.
Background technology
Along with the fast development of State Grid's industry and the enforcement of energy-saving and emission-reduction policy, each high-power station increases gradually to the demand of high-rating generator stator, and the specification of generator unit stator is also changed to 1000MW even bigger specification by 600MW.Therefore, domestic each big electrical machinery plant develops the generator unit stator of 1000MW successively.Generator unit stator transports each high-power station to by electrical machinery plant, because the size of generator unit stator is bigger, can only pass through railway transportation.Because the radial dimension of generator unit stator is bigger, and the internal stator of generator unit stator can not bear very big longitudinal force, in conjunction with the characteristics of railway Heavy Duty Freight Car, can only adopt railroad well car to transport simultaneously.
Please referring to Fig. 1, Fig. 2, Fig. 1 is a kind of main TV structure scheme drawing of common railroad well car, and Fig. 2 is a kind of plan structure scheme drawing of common railroad well car.
As shown in Figure 1 and Figure 2, this railroad well car comprises two axle truck 11, concave bottom frame 12, great underframe 13, middle underframe 14, handle frame 15.Wherein, concave bottom frame 12 comprises carrier bar 121 and the end arm 122 that is arranged on carrier bar 121 vertical two ends.
The both sides of concave bottom frame 12 are respectively arranged with a plurality of two axle trucks 11, two axle truck 11 supports in orbit, the upper end of two axle truck 11 is connected with handle frame 15, underframe 14 and great underframe 13 during the upper end of handle frame 15 is connected with, the upper end of great underframe 13 is by the end arm 122 of bindiny mechanism's anchor underframe 12.
The carrier bar 121 of concave bottom frame 12 has certain length, and the upper surface of carrier bar 121 forms carrying surface, can be used for loading the goods of growing up of industries such as electric power, metallurgy, chemical industry, heavy-duty machinery.
The concrete structure of carrier bar 121 please refer to Fig. 3, and Fig. 3 is the B-B schematic cross-section among Fig. 1.
As shown in Figure 3, carrier bar 121 comprises upper cover plate 121-1, lower cover 121-2 and web 121-3.Upper cover plate 121-1 and lower cover 121-2 be arranged in parallel, are welded with web 121-3 between the two, and upper cover plate 121-1 and lower cover 121-2 are flat board.
As adopt above-mentioned railroad well car to transport generator unit stator, after generator unit stator is contained on the railroad well car, the integrally-built size track rolling stock clearance [for railway that will seriously be above standard, and the weight of the stator of electrical generator also will be above the payload ratings tonnage of existing railroad well car, thereby causes railway can't transport generator unit stator.
The utility model content
The purpose of this utility model provides a kind of concave bottom frame, make load generator unit stator on this concave bottom frame after, integrally-built size makes the railroad well car with this concave bottom frame can transport generator unit stator in standard trajectory rail vehicles boundary.
In order to solve the problems of the technologies described above, the utility model provides a kind of concave bottom frame, comprises carrier bar, is arranged on the end arm at vertical two ends of described carrier bar, and the upper surface of described carrier bar is arcs of recesses.
Preferably, the upper surface of described carrier bar specifically is concave arc shape.
Preferably, described carrier bar comprises upper cover plate, lower cover and web.
Preferably, described upper cover plate is arcs of recesses.
A kind of railroad well car comprises bogie truck, little underframe, great underframe and concave bottom frame, and described concave bottom frame is above-mentioned concave bottom frame.
Preferably, described bogie truck is a three axle truck.
The concave bottom frame that the utility model provides comprises carrier bar and is arranged on the end arm at vertical two ends of described carrier bar that arcs of recesses is arranged in the upper surface of carrier bar.The concave bottom frame of this structure, because the upper surface of carrier bar is a carrying surface, the arcs of recesses carrying surface is arranged in the upper surface of carrier bar, this arcs of recesses carrying surface can form fitting surface with the cylindrical sides of generator unit stator, the cylindrical sides of generator unit stator can be fitted with the arcs of recesses carrying surface on the carrier bar of concave bottom frame, can reduce concave bottom frame carrying surface height so to greatest extent, make load generator unit stator on the carrying surface of concave bottom frame after, the integral structure size is in the track rail vehicles boundary of standard, thereby feasible railroad well car with this concave bottom frame can be transported generator unit stator.
The utility model also provides a kind of railroad well car, and this railroad well car has above-mentioned concave bottom frame, because above-mentioned concave bottom frame possesses above-mentioned technique effect, the railroad well car that therefore has this concave bottom frame also should possess the corresponding techniques effect.In the preferred version, the bogie truck of this railroad well car adopts three axle truck, three axle truck can increase the load carrying ability of railroad well car, the transport capacity of railroad well car is provided, weight to guarantee that railroad well car can be carried generator unit stator makes this railroad well car can transport generator unit stator normally, safely.
Description of drawings
Fig. 1 is a kind of main TV structure scheme drawing of common railroad well car;
Fig. 2 is a kind of plan structure scheme drawing of common railroad well car;
Fig. 3 is the B-B schematic cross-section among Fig. 1;
The structural representation of the concave bottom frame that Fig. 4 provides for the utility model;
Fig. 5 is a B-B schematic cross-section among Fig. 4;
The main TV structure scheme drawing of the railroad well car that Fig. 6 provides for the utility model;
The plan structure scheme drawing of the railroad well car that Fig. 7 provides for the utility model;
Fig. 8 is that A among Fig. 6 is to structural representation;
Fig. 9 is the B-B schematic cross-section among Fig. 6;
Wherein, among Fig. 1-Fig. 8:
Two axle truck 11, concave bottom frame 12, carrier bar 121, upper cover plate 121-1, lower cover 121-2, web 121-3, end arm 122, great underframe 13, middle underframe 14, handle frame 15;
Three axle truck 21, handle frame 22, great underframe 23, concave bottom frame 24, carrier bar 241, upper cover plate 241-1, lower cover 241-2, web 241-3, end arm 242.
The specific embodiment
Below in conjunction with accompanying drawing content of the present utility model is described, following description only is exemplary and indicative, should any restriction not arranged to protection domain of the present utility model.
Please referring to Fig. 4, the structural representation of the concave bottom frame that Fig. 4 provides for the utility model.
As shown in Figure 4, the concave bottom frame 24 that provides of the utility model comprises carrier bar 241, end arm 242.Carrier bar 241 has certain length, and the upper surface of carrier bar 241 forms carrying surface, is used for lade, and the end at vertical two ends of carrier bar 241 is provided with an end arm 242 respectively; The upper surface of carrier bar 241 is arcs of recesses.
The shape of the upper surface of carrier bar 241 as shown in Figure 5, Fig. 5 is a B-B schematic cross-section among Fig. 4.
Because the upper surface of carrier bar 241 is a carrying surface, the arcs of recesses carrying surface is arranged in the upper surface of carrier bar 241, this arcs of recesses carrying surface can form fitting surface with the cylindrical sides of generator unit stator, the cylindrical sides of generator unit stator can be fitted with the arcs of recesses carrying surface on the carrier bar 241 of concave bottom frame 24, can reduce the carrying surface height of concave bottom frame 24 so to greatest extent, make load generator unit stator on the carrying surface of concave bottom frame 24 after, the integral structure size is in the track rail vehicles boundary of standard, thereby feasible railroad well car with concave bottom frame 24 can be normal, transport generator unit stator safely.
In the preferred version, concave arc shape specifically is arranged in the upper surface of carrier bar 241, concave arc shape structure on the carrier bar true 1 just in time can engage with the cylindrical sides of generator unit stator, make the cylindrical sides of generator unit stator to fit tightly with carrying surface, this structure both can reduce the height of the carrying surface of concave bottom frame 24, can play the effect of stationary power generation machine stator again, strengthen the safety of generator unit stator in transportation.
In a kind of concrete embodiment, as shown in Figure 5, carrier bar 241 comprises upper cover plate 241-1, lower cover 241-2 and web 241-3, upper cover plate 241-1 and lower cover 24-2 in the vertical direction be arranged in parallel, be welded with web 241-3 between upper cover plate 241-1 and the lower cover 24-2, upper cover plate 241-1 is arranged to arcs of recesses.
In the preferred version, upper cover plate 241-1 is concave arc shape.
The utility model also provides a kind of railroad well car, and this railroad well car has above-mentioned concave bottom frame, below will simply introduce this railroad well car.
Please referring to Fig. 6, Fig. 7, the main TV structure scheme drawing of the railroad well car that Fig. 6 provides for the utility model; The plan structure scheme drawing of the railroad well car that Fig. 7 provides for the utility model.
As Fig. 6, shown in Figure 7, the railroad well car that the utility model provides comprises three axle truck 21, handle frame 22, great underframe 23 and concave bottom frame 24.
The both sides of concave bottom frame 24 are provided with a plurality of three axle trucks 21 respectively, three axle truck 21 supports in orbit, the upper end of three axle truck 21 is connected with handle frame 22, and the upper end of handle frame 22 is connected with great underframe 23, and the upper end of great underframe 23 is by the end arm 242 of bindiny mechanism's captive joint concave bottom frame 24.
Wherein, the carrier bar 241 of concave bottom frame 24 has certain length, and the upper surface of carrier bar 241 forms carrying surface, is used for the carrying goods of growing up, and arcs of recesses is arranged in the upper surface of carrier bar 241, can be used for carrying generator unit stator.
Please referring to Fig. 8, Fig. 8 is that A among Fig. 6 is to structural representation.Dotted line is the full gauge railway vehicle gauge of the locomotive among Fig. 8, and the complete vehicle structure of the railroad well car that the utility model provides all in the full gauge railway vehicle gauge of the locomotive, meets standard-required.
Please referring to Fig. 9, Fig. 9 is the B-B schematic cross-section among Fig. 6.Among Fig. 9, dotted line 1 is the profile border of institute's fortune generator unit stator, and dotted line 2 is the full gauge railway vehicle gauge of the locomotive, and dotted line 3 is the full gauge railway track clearance.As can be seen from Figure 9, the profile border of institute's fortune generator unit stator is substantially in the full gauge railway vehicle gauge of the locomotive, the height of generator unit stator will be lower than vertex in the full gauge railway vehicle gauge of the locomotive, and the profile boundary dimensions of generator unit stator will be much smaller than the full gauge railway track clearance, thus the railroad well car that provides of the utility model can be normally, transport generator unit stator safely.
The bogie truck of the railroad well car that the utility model provides adopts three axle truck, three axle truck can increase the load carrying ability of railroad well car, the transport capacity of railroad well car is provided, to guarantee the weight that to carry generator unit stator of railroad well car, make this railroad well car can transport generator unit stator normally, safely.
The above only is the description of preferred implementation of the present utility model; should be understood that; because the finiteness of literal expression; and objectively have unlimited concrete structure; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.