CN113665602A - Modular assembly hopper for railway hopper car - Google Patents

Modular assembly hopper for railway hopper car Download PDF

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Publication number
CN113665602A
CN113665602A CN202111057777.8A CN202111057777A CN113665602A CN 113665602 A CN113665602 A CN 113665602A CN 202111057777 A CN202111057777 A CN 202111057777A CN 113665602 A CN113665602 A CN 113665602A
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China
Prior art keywords
hopper
funnel
plates
frame
plate
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Granted
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CN202111057777.8A
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CN113665602B (en
Inventor
陈燕
史洪斌
庞秋燕
杨景林
王碾场
吴春梅
李云霞
刘俊雷
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CRRC Taiyuan Co Ltd
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CRRC Taiyuan Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D7/00—Hopper cars
    • B61D7/02—Hopper cars with discharge openings in the bottoms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D7/00—Hopper cars
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)

Abstract

The invention discloses a modular assembled hopper for a railway hopper car, which comprises: the funnel comprises a main funnel, wherein the main funnel comprises two end funnel plates, two side funnel plates and two longitudinal ridge back plates, the two end funnel plates and the two side funnel plates are connected to form a quadrangular frustum pyramid shaped funnel structure, the two longitudinal ridge back plates are connected to form an inverted V shape and are connected with the middle parts of the two end funnel plates to divide the quadrangular frustum pyramid shaped funnel structure into two sub-funnel structures, and a first frame is arranged on an opening at the lower end of each sub-funnel structure; the discharging hopper comprises a second frame, two end plates and a side plate, the second frame is detachably connected with the first frame, the two end plates and the side plate are connected to the lower side of the second frame, the two end plates are respectively connected to the two ends of the side plate, and a discharging opening 10 is formed in one side below the second frame; the main hopper and the discharge hopper of the hopper are in modular design, and the hopper is simple in structure, high in strength and easy to assemble.

Description

Modular assembly hopper for railway hopper car
Technical Field
The invention belongs to the technical field of railway vehicles, and particularly relates to a modular assembly hopper for a railway hopper car.
Background
The railway hopper wagon is a railway vehicle used for loading bulk cargos such as coal, ore, gravel and the like and realizing self-unloading through the gravity of the cargos, can be used for unloading the cargos from the inner side and the outer side of a track according to the unloading direction, and can be arranged longitudinally and transversely according to the arrangement mode of an unloading bottom door, wherein the longitudinal direction is the length direction of the vehicle (parallel to the track), and the transverse direction is the width direction of the vehicle (vertical to the track). The hopper of the railway hopper car is positioned at the bottom of the center of the vehicle and is used for connecting a loading area of the vehicle and a bottom door opening and closing device, and the structure of the hopper car directly influences the unloading mode and the assembling efficiency of the vehicle.
The funnel structure of the existing hopper car with the longitudinal door is of an integral assembly welding type structure, and the funnel structure has the defects of high assembly difficulty, low efficiency, long process occupation time, weak connection strength between the funnel and the end and side walls and the like.
Disclosure of Invention
The invention aims to provide a modular assembly hopper for a railway hopper car, aiming at the defects in the prior art, the main hopper and the discharge hopper of the hopper are in modular design, and the hopper has the advantages of simple structure, high strength and easiness in assembly.
To achieve the above object, the present invention provides a modular assembly hopper for a railway hopper car, the hopper comprising:
the funnel comprises a main funnel body and a plurality of side funnel plates, wherein the main funnel body comprises two end funnel plates, two side funnel plates and two longitudinal ridge back plates, the two end funnel plates and the two side funnel plates are connected to form a quadrangular frustum pyramid shaped funnel structure, the two longitudinal ridge back plates are connected to form an inverted V shape and are connected with the middle parts of the two end funnel plates to divide the quadrangular frustum pyramid shaped funnel structure into two sub-funnel structures, and a first frame is arranged on an opening at the lower end of each sub-funnel structure;
the discharge hopper, the discharge hopper includes second frame, two end plates and a curb plate, the second frame with first frame can be dismantled and be connected, two the end plate with the curb plate is connected the downside of second frame, two the end plate is connected respectively the both ends of curb plate form the discharge opening on one side of the below of second frame.
Optionally, a plurality of the main funnels are arranged on the lower side of the railway hopper car side by side along the longitudinal direction, a transverse connecting ridge is arranged between every two adjacent main funnels, and the transverse connecting ridge is connected with an end funnel plate, close to each other, of every two adjacent main funnels.
Optionally, the transverse connecting ridge comprises two transverse ridge back plates and a plurality of first triangular rib plates, the two transverse ridge back plates form an inverted V shape, two edges of each first triangular rib plate are respectively connected with the two transverse ridge back plates, and the two transverse ridge back plates are respectively connected with two adjacent end funnel plates of the main funnels, which are close to each other.
Optionally, the first frame and the second frame are of a rectangular frame structure, the first frame and the second frame are respectively provided with a plurality of first connecting holes and a plurality of second connecting holes, the first connecting holes are symmetrically arranged along the transverse center line and the longitudinal center line of the first frame, and the second connecting holes are matched with the first connecting holes.
Optionally, a cross beam is arranged at the upper part of the outer side of the end funnel plate, a plurality of longitudinal beams are arranged in the vertical direction of the end funnel plate, and one ends of the longitudinal beams are connected with the cross beam.
Optionally, a plurality of supporting structures are arranged between the two longitudinal ridge back plates, each supporting structure includes a second triangular rib plate, a trapezoidal connecting plate and two connecting beams, two sides of the second triangular rib plate are respectively connected with the two longitudinal ridge back plates, the two connecting beams are respectively connected to two sides of the lower end of the second triangular rib plate and respectively connected with the two longitudinal ridge back plates, three sides of the trapezoidal connecting plate are respectively connected with the lower end of the second triangular rib plate and the two connecting beams, and a fourth side of the trapezoidal connecting plate is used for being connected with a middle beam of an underframe of the railway hopper car.
Optionally, a support iron is arranged on a middle beam of the underframe of the railway hopper car, the support iron is trapezoidal, and the main hopper is connected to the support iron through the supporting structure.
Optionally, a connecting beam is arranged in the sub-funnel structure, two ends of the connecting beam are respectively connected with one side funnel plate and one longitudinal back plate, and the cross section of the connecting beam is in an inverted V shape.
Optionally, the second frame includes a front frame, a rear frame, and two end frames, the front frame, the rear frame, and the two end frames are L-shaped aluminum alloy sections, end reinforcing beams are disposed on the end plates, the end reinforcing beams are parallel to the end frames, and side reinforcing beams are disposed on the side plates, the side reinforcing beams are parallel to the front frame and the rear frame.
Optionally, the inclination angle of the main hopper and the discharge hopper is larger than the repose angle of the goods carried by the railway hopper car.
The invention provides a modular assembled hopper for a railway hopper car, which has the beneficial effects that:
1. the main hopper and the discharge hopper of the hopper are in modular design, and the hopper has the advantages of simple structure, high strength and easiness in assembly;
2. the hopper can be connected with a middle beam of a bottom frame of the railway hopper car in a modularized manner through the supporting structure, and the supporting structure can improve the strength of the main hopper and the connecting strength of the main hopper and the railway hopper car;
3. the main hopper and the discharge hopper of the hopper are connected through the first frame and the second frame, the discharge opening can be located on the inner side or the outer side of the track as required during connection, the same railway hopper car can adapt to different bottom door opening and closing mechanisms, and the adaptability of the car to different unloading modes is improved.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
FIG. 1 illustrates a three-dimensional structural schematic of a modular assembled hopper for a railroad hopper car, according to one embodiment of the present invention.
Fig. 2 shows a schematic end view of a modular assembled hopper for a railway hopper car according to one embodiment of the present invention.
Fig. 3 shows a three-dimensional structural schematic of a main hopper of a modular assembled hopper for a railway hopper car according to one embodiment of the present invention.
Fig. 4 shows a bottom three-dimensional structural schematic of a main funnel of a modular assembled funnel for a railroad hopper car, according to an embodiment of the present invention.
Fig. 5 shows a schematic structural view of the transverse connecting ridges of a modular assembled hopper for railway hopper cars, according to one embodiment of the invention.
Fig. 6 illustrates a three-dimensional structural view of the discharge hopper of a modular assembly hopper for railroad hopper cars, in accordance with one embodiment of the present invention.
Fig. 7 shows a bottom three-dimensional structural view of a discharge hopper of a modular assembly hopper for a railroad hopper car, according to one embodiment of the present invention.
Fig. 8 shows a schematic view of the structure in direction a of fig. 6.
Fig. 9 shows a B-direction structural diagram of fig. 6.
Fig. 10 shows a schematic view of the structure of fig. 6 in direction C.
Description of reference numerals:
1. a main hopper; 2. an end funnel plate; 3. a side funnel plate; 4. a longitudinal spine back panel; 5. a first frame; 6. a discharge hopper; 7. a second frame; 8. an end plate; 9. a side plate; 10. a discharge opening; 11. a transverse connecting ridge; 12. a transverse spine back plate; 13. a first triangular rib plate; 14. a cross beam; 15. a stringer; 16. a support structure; 17. a second triangular rib plate; 18. a trapezoidal connecting plate; 19. a connecting beam; 20. a bottom frame center sill; 21. supporting iron; 22. a tie-beam; 23. a front frame; 24. a rear frame; 25. an end frame; 26. an end reinforcing beam; 27. and a side reinforcing beam.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 1-10, the present invention provides a modular assembly hopper for a railroad hopper car, the hopper comprising:
the funnel comprises a main funnel 1, wherein the main funnel 1 comprises two end funnel plates 2, two side funnel plates 3 and two longitudinal ridge back plates 4, the two end funnel plates 2 and the two side funnel plates 3 are connected to form a quadrangular frustum shaped funnel structure, the two longitudinal ridge back plates 4 are connected to form an inverted V shape and are connected with the middle parts of the two end funnel plates 2 to divide the quadrangular frustum shaped funnel structure into two sub-funnel structures, and a first side frame 5 is arranged on an opening at the lower end of each sub-funnel structure;
discharge hopper 6, discharge hopper 6 include second frame 7, two end plates 8 and a curb plate 9, and second frame 7 can be dismantled with first frame 5 and be connected, and two end plates 8 and curb plate 9 are connected at the downside of second frame 7, and two end plates 8 are connected respectively at the both ends of curb plate 9, form discharge opening 10 in below one side of second frame 7.
Specifically, main funnel 1 assembles the module that has two sub-funnel structures through two end funnel boards 2, two side funnel boards 3 and two vertical spine backplate 4, and discharge hopper 6 assembles the independent module that one side was opened there is discharge opening 10 through second frame 7, two end plates 8 and a curb plate 9, and discharge hopper 6 can dismantle with main funnel 1 through second frame 7 and first frame 5 and be connected, the equipment and the dismantlement of being convenient for.
In the embodiment, a plurality of main funnels 1 are arranged on the lower side of the railway hopper car side by side along the longitudinal direction, a transverse connecting ridge 11 is arranged between two adjacent main funnels 1, and the transverse connecting ridge 11 is connected with the end funnel plate 2 of two adjacent main funnels 1 which are close to each other.
Specifically, the transverse connecting ridges 11 connect two adjacent main funnels 1 together, so that the strength and the connecting strength of the main funnels 1 are improved; a plurality of main funnels 1 are arranged side by side on the lower side of the railway hopper car to form a funnel with a plurality of discharge openings 10, and each main funnel 1 is an independent module, so that the assembly and the maintenance are convenient.
In this embodiment, the transverse connecting ridge 11 includes two transverse ridge back plates 12 and a plurality of first triangular rib plates 13, the two transverse ridge back plates 12 form an inverted V shape, two edges of the first triangular rib plates 13 are respectively connected with the two transverse ridge back plates 12, and the two transverse ridge back plates 12 are respectively connected with the end funnel plates 2 of the two adjacent main funnels 1, which are close to each other.
Specifically, the cross section of the transverse connecting ridge 11 is inverted V-shaped, so that blanking is facilitated, and goods are prevented from being accumulated at the connecting position of two adjacent main hoppers 1; meanwhile, the two transverse ridge back plates 12 are respectively lapped with the end funnel plates 2 which are close to each other of the two adjacent main funnels 1, so that the strength is improved.
In this embodiment, the first frame 5 and the second frame 7 are rectangular frame structures, the first frame 5 and the second frame 7 are respectively provided with a plurality of first connection holes and a plurality of second connection holes, the plurality of first connection holes are symmetrically arranged along the transverse center line and the longitudinal center line of the first frame 5, and the plurality of second connection holes are matched with the plurality of first connection holes.
Specifically, the plurality of first connecting holes are symmetrically arranged along the transverse center line and the longitudinal center line of the first frame 5, so that the discharge hopper 6 can be turned over when being assembled on the main hopper 1, the position of the discharge opening 10 is further adjusted, and the inner side discharge and the outer side discharge of the rail can be conveniently realized according to the discharge requirement; the first frame 5 is a reference of the lower part of the main funnel 1, and connects the side funnel plate 3, the end funnel plate 2 and the longitudinal ridge back plate 4 together, and the structure of the first frame is a rectangular flat plate structure, and round holes are arranged on the first frame and used for connecting a discharge hopper 6.
In the embodiment, a cross beam 14 is arranged at the upper part of the outer side of the end funnel plate 2, a plurality of longitudinal beams 15 are arranged along the vertical direction of the end funnel plate 2, and one end of each longitudinal beam 15 is connected with the cross beam 14.
Specifically, the cross sections of the cross beams 14 and the longitudinal beams 15 can be set to be U-shaped or L-shaped, so that the overall strength of the main funnel 1 is enhanced.
In this embodiment, a plurality of supporting structures 16 are arranged between two longitudinal ridge slabs 4, each supporting structure 16 includes a second triangular rib slab 17, a trapezoidal connecting slab 18 and two connecting beams 19, two sides of the second triangular rib slab 17 are respectively connected with the two longitudinal ridge slabs 4, the two connecting beams 19 are respectively connected to two sides of the lower end of the second triangular rib slab 17 and are respectively connected with the two longitudinal ridge slabs 4, three sides of the trapezoidal connecting slab 18 are respectively connected with the lower end of the second triangular rib slab 17 and the two connecting beams 19, and a fourth side of the trapezoidal connecting slab 18 is used for being connected with a bottom frame center sill 20 of the railway hopper car.
Specifically, the cross-sectional shape of the support structure 16 is an inverted V shape matched with the longitudinal spine back plates 4, and the support structure can be connected with the underframe middle beam 20 and can also play a role in supporting and reinforcing the main hopper 1 between the two longitudinal spine back plates 4.
In this embodiment, the underframe center sill 20 of the railway hopper car is provided with a support iron 21, the support iron 21 is trapezoidal, and the main hopper 1 is connected to the support iron 21 through the supporting structure 16.
Specifically, two sides of the support iron 21 are respectively connected with two connecting beams 19, and the main hopper 1 is assembled on a middle beam 20 of an underframe of the railway hopper car through the connection of the support iron 21 and the supporting structure 16.
In the present embodiment, a connecting beam 22 is disposed in the sub-funnel structure, two ends of the connecting beam 22 are respectively connected to a side funnel plate 3 and a longitudinal back plate 4, and the cross section of the connecting beam 22 is an inverted V-shape.
Specifically, the arrangement of the tie beam 22 can reduce the outward expansion deformation of the sub-funnel structure, and the inverted V-shaped cross-sectional shape can avoid the accumulation of the goods.
In this embodiment, the second frame 7 includes a front frame 23, a rear frame 24 and two end frames 25, the front frame 23, the rear frame 24 and the two end frames 25 are L-shaped aluminum alloy sections, the end plate 8 is provided with an end reinforcing beam 26, the end reinforcing beam 26 is parallel to the end frames 25, the side plate 9 is provided with a side reinforcing beam 27, and the side reinforcing beam 27 is parallel to the front frame 23 and the rear frame 24.
Specifically, the end reinforcing beam 26 and the side reinforcing beam 27 are arranged to integrally reinforce the discharge hopper 6, the end frame 25, the front frame 23 and the rear frame 24 are integrally extruded L-shaped aluminum alloy sections, the sections of the end reinforcing beam 26 and the side reinforcing beam 27 are triangular, the end reinforcing beam 26 and the side reinforcing beam can be respectively integrated with the end plate 8 and the side plate 9, and all the parts are connected into a whole in a welding or riveting mode.
In another example, the components of the discharge hopper 6 are made of carbon steel and are welded together, in this case, the end frame 25, the front frame 23 and the rear frame 24 may be made as one body, and the cross-section of the end reinforcing beam 26 and the side reinforcing beam 27 may be L-shaped or U-shaped.
In this embodiment, the inclination of the main hopper 1 and the discharge hopper 6 is greater than the angle of repose of the goods carried by the railway hopper car.
Specifically, the upper surface of each part of this funnel all sets up for the horizontal plane slope, for example end funnel board 2 and side funnel board 3 of main funnel 1, end plate 8 and curb plate 9 of discharge hopper 6, the shape of falling V of longitudinal spine backplate 4, the shape of falling V of horizontal spine backplate 12 and the shape of falling V of linking roof beam 22, contained angle is greater than goods angle of repose between each board and each board junction and horizontal plane, the bulk cargo of being convenient for smoothly flows out, can select suitable inclination according to different loaded goods.
In summary, when the modularized assembling funnel for the railway hopper car provided by the invention is used, the support iron 21 is arranged on the underframe middle beam 20 of the railway hopper car, and the support plates can be arranged on the two sides of the underframe, so that the two sides of the support plates are respectively connected with the lower side of the support iron 21 and the two sides of the underframe middle beam 20, and the side of the support plate far away from the underframe middle beam 20 is matched with the two longitudinal ridge back plates 4; when the hopper is assembled, the supporting structure 16 is connected with the supporting iron 21, a plurality of main hoppers 1 can be conveniently arranged on the lower side of the railway hopper car side by side along the longitudinal direction of the railway hopper car, and then the transverse ridge back plate 12 can be arranged between two adjacent main hoppers 1, so that the connecting strength between two adjacent main hoppers 1 is improved. The discharge hopper 6 of this funnel can be installed positively and negatively, can select discharge opening 10 inwards or outwards according to the direction of unloading needs, and the track outside and inboard unloading can be realized to the different bottom door closing mechanism of two kinds of modes cooperation of discharge hopper 6.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims (10)

1. A modular assembled hopper for a railroad hopper car, the hopper comprising:
the funnel comprises a main funnel body and a plurality of side funnel plates, wherein the main funnel body comprises two end funnel plates, two side funnel plates and two longitudinal ridge back plates, the two end funnel plates and the two side funnel plates are connected to form a quadrangular frustum pyramid shaped funnel structure, the two longitudinal ridge back plates are connected to form an inverted V shape and are connected with the middle parts of the two end funnel plates to divide the quadrangular frustum pyramid shaped funnel structure into two sub-funnel structures, and a first frame is arranged on an opening at the lower end of each sub-funnel structure;
the discharge hopper, the discharge hopper includes second frame, two end plates and a curb plate, the second frame with first frame can be dismantled and be connected, two the end plate with the curb plate is connected the downside of second frame, two the end plate is connected respectively the both ends of curb plate form the discharge opening on one side of the below of second frame.
2. The modular assembled hopper for railway hopper cars of claim 1, wherein a plurality of said main hoppers are longitudinally side by side on the underside of a railway hopper car with a transverse connecting ridge disposed between adjacent ones of said main hoppers, said transverse connecting ridge connecting end hopper plates adjacent to each other of said adjacent ones of said main hoppers.
3. The modular assembled hopper for a railway hopper car as claimed in claim 2, wherein the transverse connecting ridge comprises two transverse ridge back plates and a plurality of first triangular rib plates, the two transverse ridge back plates form an inverted V shape, two edges of the first triangular rib plates are respectively connected with the two transverse ridge back plates, and the two transverse ridge back plates are respectively connected with the end hopper plates of the two adjacent main hoppers, which are close to each other.
4. The modular assembly funnel for a railroad hopper car as defined in claim 1, wherein the first and second rims have a rectangular frame structure, the first and second rims are respectively provided with a plurality of first connection holes and a plurality of second connection holes, the plurality of first connection holes are symmetrically arranged along both the transverse center line and the longitudinal center line of the first rim, and the plurality of second connection holes are matched with the plurality of first connection holes.
5. The modular assembled hopper for a railway hopper car as claimed in claim 1, wherein a cross beam is provided at an upper outer portion of the end hopper plate, and a plurality of longitudinal beams are provided vertically along the end hopper plate, one end of each longitudinal beam being connected to the cross beam.
6. The modular assembly funnel for the railway hopper car according to claim 1, wherein a plurality of support structures are arranged between two longitudinal ridge back plates, each support structure comprises a second triangular rib plate, a trapezoidal connecting plate and two connecting beams, two edges of the second triangular rib plate are respectively connected with the two longitudinal ridge back plates, the two connecting beams are respectively connected to two sides of the lower end of the second triangular rib plate and are respectively connected with the two longitudinal ridge back plates, three edges of the trapezoidal connecting plate are respectively connected with the lower end of the second triangular rib plate and the two connecting beams, and a fourth edge of the trapezoidal connecting plate is used for being connected with a middle beam of an underframe of the railway hopper car.
7. The modular assembly hopper for railway hopper cars of claim 6, wherein said railway hopper car has a bottom frame center sill having a plurality of support legs, said support legs being trapezoidal in shape, said main hopper being connected to said support legs by said support structure.
8. The modular assembled hopper for railway hopper cars of claim 1, wherein a connecting beam is provided in said sub-hopper structure, said connecting beam being connected at each end to one of said side hopper plates and one of said longitudinal back plates, respectively, said connecting beam having an inverted V-shaped cross-section.
9. The modular assembly hopper for railroad hopper cars of claim 1, wherein said second rim comprises a front rim, a rear rim and two end rims of L-shaped aluminum alloy sections, said end plates having end reinforcing beams disposed thereon that are parallel to said end rims, said side plates having side reinforcing beams disposed thereon that are parallel to said front rim and said rear rim.
10. The modular assembly hopper for a railway hopper car of claim 1, wherein the inclination of said main hopper and said discharge hopper is greater than the angle of repose of the cargo carried by the railway hopper car.
CN202111057777.8A 2021-09-09 2021-09-09 Modular assembly hopper for railway hopper car Active CN113665602B (en)

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN114834491A (en) * 2022-04-07 2022-08-02 中车眉山车辆有限公司 Railway hopper car capable of automatically unloading particulate matters
CN114834491B (en) * 2022-04-07 2024-05-31 中车眉山车辆有限公司 Railway hopper car capable of automatically discharging particulate matters

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GB349832A (en) * 1929-09-27 1931-06-04 Gust Talbot & Cie M B H Improvements in self-discharging hopper wagons
US3656666A (en) * 1970-01-19 1972-04-18 Acf Ind Inc Removable lower cover for hopper discharge outlet structure
US4884511A (en) * 1988-01-27 1989-12-05 Thrall Car Manufacturing Company Aluminum hopper car with cast collars interconnecting intersecting center sill hood with ridge hood and sloped end walls
CN2385941Y (en) * 1999-09-29 2000-07-05 太原机车车辆厂 Ballast hopper car
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CN203651765U (en) * 2013-12-19 2014-06-18 南车长江车辆有限公司 Low hopper ridge of railway coal hopper car
US20160311445A1 (en) * 2015-04-21 2016-10-27 Guadalupe L. Galvan Railroad hopper car door operating mechanism
US20200353954A1 (en) * 2019-04-29 2020-11-12 National Steel Car Limited Railroad hopper car with flow through structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114834491A (en) * 2022-04-07 2022-08-02 中车眉山车辆有限公司 Railway hopper car capable of automatically unloading particulate matters
CN114834491B (en) * 2022-04-07 2024-05-31 中车眉山车辆有限公司 Railway hopper car capable of automatically discharging particulate matters

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