Central ridge assembly for grain hopper car

Abstract

The invention discloses a central ridge assembly for a grain hopper wagon, which relates to the technical field of railway wagons and comprises a ridge unit with an inverted V-shaped longitudinal section, a composite partition plate assembly arranged in the ridge unit and used for increasing the strength of the ridge unit, and two longitudinal connecting beams arranged at two ends in the ridge unit, the ridge unit comprises a central ridge plate which is located in the center and transversely arranged and two side ridge plates which are transversely and symmetrically arranged on the two sides of the central ridge plate. The longitudinal section of the central ridge plate is in an inverted V shape, the inclination angles of the two inclined faces of the central ridge plate are larger than the repose angle of loaded and transported grains, the two side ridge plates are transversely arranged on the lower surfaces of the corresponding inclined faces, the two side ridge plates are inclined, and the inclination angle of each side ridge plate is the same as the inclination angle of the inclined face connected with the central ridge plate. The section of the central ridge plate is inverted-V-shaped, and the inclination angle of the inclined plane is larger than the repose angle of loaded and transported grains, so that the grains are ensured to be completely unloaded.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of railway freight cars, more particularly to the technical field of central ridge back composition for grain hopper cars. BACKGROUND

[0002] A grain hopper car is a railway freight car or a highway freight car specially used for transporting bulk grain. Its design feature is that it has a hopper-shaped cargo box and a bottom unloading device, which facilitates efficient loading and unloading and transportation. The following technologies related to grain hopper cars are disclosed in existing patents: A patent with the patent number CN119370135A and the patent name "Railway grain hopper car top cover and railway grain hopper car" discloses the following content: A railway grain hopper car top cover and a railway grain hopper car relate to the technical field of railway transportation equipment. The railway grain hopper car top cover includes a top cover body, which includes a first top cover and a second top cover arranged side by side in the width direction of the top cover body. The first top cover and the second top cover are both hollow thin-walled box-shaped structures extending in the length direction of the top cover body and are connected by welding between them. The two ends of the first top cover and the second top cover are connected by end plates, respectively. The bottom of the first top cover and the second top cover is connected with a top cover support. The railway grain hopper car top cover provided in the present application can significantly reduce the self-weight of the top cover, while reducing the weld length of the top cover and the welding amount during manufacturing, reducing welding deformation, and improving the flatness and sealing effect of the top cover.

[0003] A patent with the patent number CN101439719A and the patent name "Grain hopper car" discloses the following content: A railway freight car with self-unloading function. It includes a chassis and a car body. The chassis includes end beams, bolster beams, large cross beams, traction beams, and side beams. The end beams, bolster beams, large cross beams, and traction beams are located at both ends of the chassis, and the side beams are located at both sides of the chassis. The car body is composed of side walls, end walls, and a roof. The bottom of the car body forms a hopper below the chassis. A bottom door is installed on the hopper. A loading port is opened on the roof, and a loading port cover is connected to the loading port. The key technology is that the chassis is a structure without a middle beam. A large side beam is connected between the traction beams at both ends of the chassis, and a small side beam is provided at each end of the chassis to connect with the large side beam. The side wall is installed with a cross beam in the circular arc support plate, and a side wall diagonal brace is installed at both ends of the cross beam. The end wall is installed with an end wall diagonal brace and a horizontal band on the end plate. The overall structure of the present application is reasonable, effectively reduces the self-weight, and improves the volume.

[0004] The current grain hopper car does not have a through middle beam. A plurality of small hoppers are arranged along the longitudinal center of the vehicle. The area of the hopper mouth is small, the unloading flux is small, the unloading efficiency is not high, and the grain unloading time of the whole vehicle is long. The steel bottom door is connected to the hopper by welding, which is not convenient for the later maintenance and replacement of the bottom door. SUMMARY

[0005] The present application aims at providing a central ridge back assembly for a grain hopper car.

[0006] In order to achieve the above-mentioned purpose, the present application specifically adopts the following technical scheme: The present application provides a central ridge back assembly for a grain hopper car, which comprises a ridge back unit with a longitudinal section in the shape of an "A", a composite partition assembly arranged inside the ridge back unit for increasing the strength of the ridge back unit, two longitudinal connecting beams arranged at both ends inside the ridge back unit, The ridge back unit comprises a central ridge back plate arranged in the center and transversely, and two side ridge back plates arranged symmetrically transversely at both sides of the central ridge back plate. The longitudinal section of the central ridge back plate is in the shape of an "A", the inclination angle of the two inclined surfaces of the central ridge back plate is greater than the repose angle of the grain to be shipped, which facilitates complete unloading of the grain, the edges of the two side ridge back plates are arranged transversely on the lower surfaces of the corresponding inclined surfaces, the two side ridge back plates are in the shape of an inclination, and the inclination angle of each side ridge back plate is the same as the inclination angle of the inclined surface connected with the central ridge back plate.

[0007] In one embodiment, each side ridge back plate comprises an inclined surface plate, a vertical surface plate, and a bent flange, the upper edge of the inclined surface plate is butted with the lower edge of the corresponding inclined surface of the central ridge back plate, the inclined surface plate and the vertical surface plate are connected through bending, the lower edge of the vertical surface plate is provided with a bent flange, and the inclination angle of the inclined surface plate is consistent with the inclination angle of the corresponding inclined surface of the central ridge back plate. The inner side of the bending part of the inclined surface plate and the vertical surface plate is provided with a second transverse reinforcing beam.

[0008] In one embodiment, the composite partition assembly comprises a third partition assembly arranged at the center inside the ridge back unit, and a plurality of first partition assemblies and a plurality of second partition assemblies arranged in a staggered manner along the longitudinal direction. Each first partition assembly, each second partition assembly, and the third partition assembly are longitudinal plates.

[0009] In one embodiment, each first partition assembly and each second partition assembly are the same in size and have an overall shape of an isosceles triangle, and the lower edge of the connection part of the first partition assembly and the second partition assembly arranged on the same side with the corresponding inclined surface plate is provided with a first transverse reinforcing beam.

[0010] In one embodiment, the first partition assembly comprises a first "A" shaped partition plate with a longitudinal section matched with the shape of the ridge back unit, and a first connecting horizontal beam arranged at the bottom of the first "A" shaped partition plate for connecting the two sides of the bottom of the first "A" shaped partition plate, and the first connecting horizontal beam is a square steel pipe with a rectangular section.

[0011] In an embodiment, the second partition component comprises a second "A" shaped partition with a longitudinal section matching the shape of the backbone unit, a second connecting beam arranged at the bottom of the second "A" shaped partition for connecting the two sides of the bottom of the second "A" shaped partition, and the second connecting beam is a square steel pipe with a rectangular section, and four spring connecting plates are arranged at the bottom of the second connecting beam.

[0012] Specifically, the spring connecting plate on the second partition component is used for mounting the bottom door cylinder spring, and a cylinder mounting seat is welded below the second connecting beam on the second partition component.

[0013] In an embodiment, the third partition component is an isosceles triangle plate cut from a sheet, two legs of the isosceles triangle plate are welded on two inclined surfaces of the central backbone plate, and the base of the isosceles triangle plate is connected to the longitudinal backbone of the middle beam. The middle part of each side backbone plate is provided with a clearance hole allowing the longitudinal backbone of the middle beam to pass through.

[0014] Specifically, four groups of first partition components, two groups of second partition components and one group of third partitions are arranged in the backbone unit.

[0015] In an embodiment, an arc-shaped hole is arranged on the base of the isosceles triangle plate.

[0016] In an embodiment, the central backbone plate and each side backbone plate directly contacting the grain are made of stainless steel, and other parts not contacting the grain are made of carbon steel.

[0017] In an embodiment, the first transverse reinforcing beam and the longitudinal connecting beam are L-shaped bent plate members; and the second transverse reinforcing beam component comprises an L-shaped bent plate, a plurality of first rib plates uniformly welded inside the L-shaped bent plate, and a plurality of second rib plates uniformly welded outside the L-shaped bent plate.

[0018] The beneficial effects of the present application are as follows: 1. The central backbone plate is connected to the side funnel plate on both sides, the funnel opening is horizontally divided, the top end is connected to the central partition of the side wall, and is used for supporting the partition. The central backbone plate has an "A" shaped section, the inclination angle of the inclined surface is greater than the repose angle of the loaded grain, and the grain is unloaded completely.

[0019] 2. The spring connecting plate on the second partition component is used for mounting the bottom door cylinder spring, and a cylinder mounting seat is welded below the second connecting beam on the second partition component.

[0020] 3. Different materials are combined to meet different functional needs. The central backbone plate and the side backbone plate directly contacting the grain are made of stainless steel, and other parts not directly contacting the grain are made of high-strength carbon steel.

[0021] 4. The longitudinal connecting beams on both sides are at the same height with the longitudinal beams in the side funnel plates, facilitating the transmission of longitudinal force. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0023] Figure 1 Figure 1 is a side view of a central spine for a grain hopper car; Figure 2 Figure 2 is a top view (with the right side spine plate hidden) of the central spine of Figure 1; Figure 1 Figure 3 Figure 3 is an end view of the central spine of Figure 1; Figure 1 Figure 4 Figure 4 is a transverse cross-sectional view of the central spine of Figure 1; Figure 1 Figure 5 Figure 5 is a cross-sectional view of a first partition assembly; Figure 6 Figure 6 is a cross-sectional view of a second partition assembly; Figure 7 Figure 7 is a cross-sectional view of a third partition; Figure 8 Figure 8 is a cross-sectional view of a second transverse reinforcing beam assembly.

[0024] Reference signs: 1, central spine plate; 2, side spine plate; 3, longitudinal connecting beam; 4, first partition assembly; 5, first transverse reinforcing beam; 6, second partition assembly; 7, second transverse reinforcing beam; 8, third partition assembly; 4.1, first "A" shaped partition; 4.2, first connecting cross beam; 6.1, second "A" shaped partition; 6.2, second connecting cross beam, 6.3, tension spring connecting plate; 7.1, L-shaped bent plate; 7.2, first reinforcing plate; 7.3, second reinforcing plate. DETAILED DESCRIPTION

[0025] In order to make the technical problems, technical solutions and technical effects of the present application more clear, the following will combine the drawings in the embodiments of the present application to make a clear and complete description of the technical solutions in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, not all of the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0026] ​​​Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0027] It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0028] In the description of the embodiments of the present invention, it should be noted that the terms "inner", "outer", "upper", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of the invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the present invention.

[0029] Example 1 like Figures 1 to 8 As shown, this embodiment provides a central spine assembly for a grain hopper cart, including a spine unit with a longitudinal cross-section in the shape of a "∧", a composite partition assembly disposed inside the spine unit to increase the strength of the spine unit, and two longitudinal connecting beams 3 disposed at both ends inside the spine unit. The spine unit includes a central spine plate 1 located in the center and arranged laterally, and two side spine plates 2 arranged laterally and symmetrically on both sides of the central spine plate 1. The longitudinal section of the central spine plate 1 is shaped like a "∧". The inclination angle of the two inclined surfaces of the central spine plate 1 is greater than the angle of repose for transporting grain, which facilitates the unloading of grain. The two side spine plates 2 are set on the lower surface of the corresponding inclined surfaces in a transverse direction. The two side spine plates 2 are inclined, and the inclination angle of each side spine plate 2 is the same as the inclination angle of the inclined surface connected to the central spine plate 1. Both side spine plates 2 have clearance holes in the middle to allow the longitudinal spine of the central beam to pass through.

[0030] In this embodiment, the central spine plate 1 is connected to the side funnel plates on both sides, dividing the funnel opening laterally. The top end is connected to the central partition wall of the side wall to support the partition wall. The cross-section of the central spine plate 1 is "∧" shaped, and the inclination angle of its slope is greater than the angle of repose for loading grain, ensuring that the grain is unloaded completely.

[0031] Example 2 This embodiment is a further optimization based on Embodiment 1, specifically: Each side ridge back plate 2 comprises an inclined panel, a vertical panel, and a bent-over edge, the upper edge of the inclined panel is butted with the lower edge of one inclined surface of the central ridge back plate 1, the inclined panel and the vertical panel are transitioned by bending, the lower edge of the vertical panel is provided with a bent-over edge, the inclination angle of the inclined panel is consistent with the inclination angle of one inclined surface of the central ridge back plate 1; The inner side of the bent-over part of the inclined panel and the vertical panel is provided with a second transverse reinforcing beam 7.

[0032] Specifically, the side ridge back plate 2 is located at both sides of the central ridge back plate, adopts the design of inclined surface + straight wall + bent-over edge, and the upper edge thereof is butted with the lower edge of the central ridge back plate 1; the inclination angle of the inclined surface thereof is greater than the repose angle of the grain for loading and unloading, so as to facilitate the complete unloading of the grain; and the bent-over edge at the lower part is used for connecting the bottom door.

[0033] Embodiment 3 This embodiment is further optimized on the basis of embodiment 2, specifically: The composite partition plate assembly comprises a third partition plate component 8 arranged at the inner center of the ridge back unit and a plurality of first partition plate components 4 and a plurality of second partition plate components 6 arranged in a longitudinal staggered manner. Each first partition plate component 4, each second partition plate component 6, and the third partition plate component 8 are longitudinal plates.

[0034] The size of each first partition plate component 4 and each second partition plate component 6 is the same, and the whole is in the shape of an isosceles triangle, and the lower edge of the connection part of the first partition plate component 4 and the second partition plate component 6 located at the same side with the corresponding inclined panel is provided with a first transverse reinforcing beam 5.

[0035] The first partition plate component 4 comprises a first “∧” shaped partition plate 4.1 with a longitudinal section matched with the shape of the ridge back unit, and a first connecting beam 4.2 arranged at the bottom of the first “∧” shaped partition plate 4.1 for connecting the two sides of the bottom of the first “∧” shaped partition plate 4.1, and the first connecting beam 4.2 is a square steel tube with a rectangular section.

[0036] The second partition plate component 6 comprises a second “∧” shaped partition plate 6.1 with a longitudinal section matched with the shape of the ridge back unit, and a second connecting beam 6.2 arranged at the bottom of the second “∧” shaped partition plate 6.1 for connecting the two sides of the bottom of the second “∧” shaped partition plate 6.1, and the second connecting beam 6.2 is a square steel tube with a rectangular section, and the bottom of the second connecting beam 6.2 is provided with two spring connecting plates 6.3.

[0037] Specifically, the spring connecting plate 6.3 on the second partition plate component 6 is used for installing the bottom door cylinder spring, and a cylinder mounting seat is welded below the second connecting beam 6.2 on the second partition plate component 6.

[0038] Embodiment 4 This embodiment is further optimized on the basis of Embodiment 3, specifically: The third partition component 8 is an isosceles triangle plate cut from a plate, two legs of the isosceles triangle plate are welded on two inclined surfaces of the central ridge plate 1, and the base of the isosceles triangle plate is connected to the longitudinal ridge of the middle beam.

[0039] Specifically, four groups of the first partition component 4, two groups of the second partition component 6 and one group of the third partition component are arranged in the ridge unit.

[0040] An arc-shaped hole is arranged on the base of the isosceles triangle plate.

[0041] Embodiment 5 This embodiment is further optimized on the basis of Embodiment 3, specifically: The central ridge plate 1 and the side ridge plates 2 in direct contact with the grain are made of stainless steel, and other parts not in direct contact with the grain are made of carbon steel.

[0042] Specifically, different material combinations are adopted to meet different functional needs. The central ridge plate 1 and the side ridge plates 2 in direct contact with the grain are made of stainless steel, and other parts not in direct contact with the grain are made of high-strength carbon steel.

[0043] Embodiment 6 This embodiment is further optimized on the basis of Embodiment 5, specifically: The first horizontal reinforcing beam 5 and the longitudinal connecting beam 3 are L-shaped bent plate components; the second horizontal reinforcing beam 7 is composed of an L-shaped bent plate 7.1, a plurality of first rib plates 7.2 evenly welded inside the L-shaped bent plate 7.1, and a plurality of second rib plates 7.3 evenly welded outside the L-shaped bent plate 7.1.

[0044] Specifically, the two longitudinal connecting beams 3 and the longitudinal beams in the side funnel plate are at the same height, facilitating the transmission of longitudinal force.

Claims

1. A central spine back assembly for a grain hopper car, comprising: The backbone unit includes a central backbone plate (1) located in the center and arranged transversely, and two side backbone plates (2) arranged symmetrically transversely on both sides of the central backbone plate (1). The longitudinal section of the central backbone plate (1) is in the shape of an "A", and the inclination angle of the two inclined surfaces of the central backbone plate (1) is greater than the repose angle of the grain being shipped, facilitating complete unloading of the grain. The inclination angle of each side backbone plate (2) is the same as the inclination angle of the corresponding inclined surface of the central backbone plate (1). Each side backbone plate (2) includes an inclined panel, a vertical panel, and a bent flange, the upper edge of the inclined panel is butted against the lower edge of the corresponding inclined surface of the central backbone plate (1), the inclined panel and the vertical panel are connected by bending, and the lower edge of the vertical panel is provided with a bent flange.

2. A central spine back assembly for a grain hopper car as defined in claim 1, wherein: The inclination angle of the inclined panel is consistent with the inclination angle of the corresponding inclined surface of the central backbone plate (1). The inside of the bent part of the inclined panel and the vertical panel is provided with a second transverse reinforcing beam (7).

3. A central spine back assembly for a grain hopper car as defined in claim 2, wherein: The composite partition assembly includes a third partition component (8) arranged at the center inside the backbone unit, and a plurality of first partition components (4) and a plurality of second partition components (6) arranged longitudinally and staggered.

4. A central spine back assembly for a grain hopper car as defined in claim 3, wherein: The size of each first partition component (4) and each second partition component (6) is the same, and the overall shape is isosceles triangular, and the lower edge of the corresponding inclined panel is provided with a first transverse reinforcing beam (5).

5. A central spine back assembly for a grain hopper car as defined in claim 4, wherein: The first partition component (4) includes a first "A" shaped partition (4.1) with a longitudinal section matching the shape of the backbone unit, and a first connecting beam (4.2) arranged at the bottom of the first "A" shaped partition (4.1) for connecting the two sides of the bottom of the first "A" shaped partition (4.1), and the first connecting beam (4.2) is a square steel pipe with a rectangular cross section.

6. A central spine back assembly for a grain hopper car as defined in claim 4, wherein: The second partition component (6) includes a second "A" shaped partition (6.1) with a longitudinal section matching the shape of the backbone unit, and a second connecting beam (6.2) arranged at the bottom of the second "A" shaped partition (6.1) for connecting the two sides of the bottom of the second "A" shaped partition (6.1), and the second connecting beam (6.2) is a square steel pipe with a rectangular cross section, and the bottom of the second connecting beam (6.2) is provided with four spring connecting plates (6.3).

7. The central backbone component of claim 3, wherein The third partition plate component (8) is an isosceles triangle plate cut from a plate, two legs of the isosceles triangle plate are welded on two inclined surfaces of the central ridge plate (1), and a bottom edge of the isosceles triangle plate is connected on a longitudinal ridge of the middle beam.

8. A central spine back assembly for a grain hopper car as defined in claim 7, wherein: An arc-shaped hole is arranged on the bottom edge of the isosceles triangle plate.

9. The center spine assembly for a grain hopper car of claim 1 wherein, The central ridge plate (1) and the side ridge plates (2) in direct contact with the grain are made of stainless steel, and other parts not in contact with the grain are made of carbon steel.

10. The central ridge plate component for a grain hopper car according to claim 4, characterized in that, The first transverse reinforcing beam (5) and the longitudinal connecting beam (3) are both L-shaped bent plate components; and the second transverse reinforcing beam (7) component comprises an L-shaped bent plate (7.1), a plurality of first rib plates (7.2) evenly welded inside the L-shaped bent plate (7.1), and a plurality of second rib plates (7.3) evenly welded outside the L-shaped bent plate (7.1).

Images