Roof structure of railway hopper car with cover

Abstract

The invention discloses a roof structure of a railway hopper car with a cover, which relates to the technical field of transportation equipment and comprises a fixed top cover component and a movable top cover component arranged on the fixed top cover component. The fixed top cover assembly comprises an arc-shaped framework, a top plate arranged on the arc-shaped framework and a longitudinal loading opening frame longitudinally arranged in the middle of the top plate. The movable top cover assembly comprises a square loading opening cover assembly, a circular top cover plate assembly, a top cover support, a top cover cross beam assembly, a top cover longitudinal beam assembly and a circular loading opening locking device. The square loading opening cover assemblies are arranged at the longitudinal loading opening frames in a sealed mode, translation of the square loading opening cover assemblies is achieved through pneumatic control, a plurality of round loading openings are formed in the square loading opening cover assemblies, the round top cover plate assemblies are arranged at the round loading openings in a sealed mode, and round loading opening locking devices are arranged at the round top cover plate assemblies. By means of the arrangement of the double-layer top cover and the multiple feeding ports, the technical problem that when a sliding rail deforms or a roller bearing is rusted, movement of the top cover is blocked is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of railway transportation equipment, and more specifically to the technical field of roof structure of a railway covered hopper car. Background Art

[0002] The existing patents disclose the following technologies related to railway freight car roofs:

[0003] The patent with publication number CN208993689U and patent name "A railway freight car roof and railway freight car" discloses the following content: The railway freight car roof includes a cover body that is symmetrically arranged on the top of the railway freight car body and can be opened or closed in the form of left and right swinging. The cover body is formed by integral extrusion of hollow aluminum profiles, and includes a straight portion and an arc portion on a section perpendicular to the length direction of the railway freight car. The straight portion is located in the inner area of ​​the cover body, and the arc portion is located in the outer area of ​​the cover body. The roof can effectively prevent environmental pollution, and has good processability, high reliability, light weight, high strength and good rigidity.

[0004] The patent with the publication number CN113147817A and the patent name "A railway freight car roof device and railway freight car" discloses the following content: It solves the technical problems of complex structure and high cost of railway freight car roof devices in the prior art. The roof device includes a fixed cover plate, which is fixedly connected to the cargo box opening of the freight car, and a loading port is opened on the fixed cover plate; a movable cover plate is slidably installed at the loading port; a hand-held part is arranged on the movable cover plate, which is used to drive the movable cover plate to slide to open and close the loading port; a first locking part is installed between the movable cover plate and the fixed cover plate; when the movable cover plate closes the loading port, the movable cover plate is locked to the fixed cover plate by the first locking part. With the help of the hand-held part, the user can manually control the movable cover plate to slide at the loading port of the roof device of this structure, and the structure is simpler, the cost is lower, and it is easy to operate. The railway freight car adopts the above-mentioned railway freight car roof device, so the structure of the railway freight car is simpler and the cost is lower.

[0005] When the railway freight car top cover disclosed in the above patent and the existing railway grain, flour hopper cars and other railway fine-grain freight cars are loaded with grain, the moving distance of a single rectangular loading port cover is only about 2.5m, and the total length of the loading port is about 5m. The total length of the loading port only accounts for about 30% of the length of the roof, and it is discontinuous, and the grain loading efficiency is not high. The rectangular top cover is driven by a pneumatic motor, a sprocket, a transmission chain, etc., and is provided with tracks, pulleys, etc. There are many types and quantities of parts, the driving device structure is complex, and the product cost is high. When the sliding track is deformed or the roller bearing is corroded, the top cover will be stuck, which is inconvenient to use and the maintenance cost will increase accordingly. Summary of the invention

[0006] The purpose of the present invention is to solve the technical problem that when the sliding track of the existing hopper car roof structure is deformed or the roller bearing is corroded, the top cover movement is stuck, and the present invention provides a railway covered hopper car roof structure.

[0007] In order to achieve the above-mentioned purpose, the present invention specifically adopts the following technical solutions:

[0008] The present invention provides a roof structure of a railway covered hopper car, comprising a fixed roof assembly and a movable roof assembly arranged on the fixed roof assembly;

[0009] The fixed top cover assembly includes an arc-shaped frame, a top plate arranged on the arc-shaped frame, and a longitudinal loading opening frame arranged longitudinally in the middle of the top plate;

[0010] The movable top cover assembly includes a square loading port cover assembly, a circular top cover plate assembly, a top cover support, a top cover cross beam assembly, a top cover longitudinal beam assembly and a circular loading port locking device; the square loading port cover assembly is sealed at the longitudinal loading port frame and the translational movement of the square loading port cover assembly is achieved through pneumatic control, a plurality of circular loading ports are arranged on the square loading port cover assembly, the circular top cover plate assembly is sealed at the circular loading ports, a circular loading port locking device is arranged at each circular top cover plate assembly, and the top cover support is located at the bottom of the supporting frame.

[0011] Specifically, the circular top cover plate assembly is arranged on the square loading port cover assembly and is located above the longitudinal loading port frame. Different loading ports are selected for cargo loading according to the loading medium requirements. The double-layer top cover and multiple feed ports solve the technical problem of top cover movement jamming when the sliding track is deformed or the roller bearing is corroded.

[0012] In one embodiment, the arc-shaped frame includes a top curved beam, a middle curved beam disposed below the top curved beam, a longitudinal beam disposed on the middle curved beam, and a longitudinal reinforcing beam disposed on the middle curved beam;

[0013] The top curved beam is made of hot-rolled angle steel, and the ends of the top curved beam connected to the side walls are provided with segmented ends;

[0014] The material of the middle curved beam is ultra-thin steel plate, and the middle curved beam is a segmented sheet-type arc structure.

[0015] In one embodiment, the top plate is made of a steel plate with a thickness of 3 mm.

[0016] In one embodiment, two end loading port frames are respectively provided at both ends of the top plate, and the longitudinal loading port frame and the end loading port frame are made of cold-bent steel.

[0017] In one embodiment, the fixed roof cover assembly further includes a walkway longitudinally arranged on one side of the top plate, and a fixed railing is arranged on the edge of the top plate.

[0018] In one embodiment, the square loading port cover assembly is a variable-section cold-pressed structure, the top cover cross beam assembly adopts cold-bent cap steel, the top cover longitudinal beam assembly adopts cold-bent channel steel, and the top cover cross beam assembly, the top cover longitudinal beam assembly and the square loading port cover assembly are all made of 2.3 mm thick plate.

[0019] In one embodiment, the circular top cover plate assembly includes a retaining ring, a sealing gasket, a pressure plate, a bolt mounting seat, a locking rod support plate, a hinge and a locking pin.

[0020] In one embodiment, each circular loading port is located directly above the corresponding longitudinal loading port frame.

[0021] In one embodiment, the number of circular top cover plate assemblies and the number of circular loading ports are both five.

[0022] In one embodiment, the joint between the movable top cover assembly and the fixed top cover assembly is sealed using an aluminum alloy profile and a rubber sealing strip.

[0023] The beneficial effects of the present invention are as follows:

[0024] 1. The invention has a reasonable design. The circular loading port is set on the rectangular loading port (longitudinal loading port frame). Different loading ports are selected for loading goods according to the requirements of the loading medium. The double-layer top cover and multiple feeding ports are set to solve the technical problem of top cover movement stagnation when the sliding track is deformed or the roller bearing is corroded.

[0025] 2. The transverse main body of the arc-shaped frame of the fixed top cover assembly is a segmented sheet-type structure, which is symmetrically arranged along the longitudinal direction of the vehicle body to achieve lightweight top cover; the segmented sheet-type structure arc-shaped frame realizes the adjustable performance of the assembly sequence and improves the processability of the assembly of the top cover and the side wall of the vehicle.

[0026] 3. A circular loading port is provided on the movable top cover assembly. When loading granular goods such as grain, the circular loading port is in the closed position, and the power mechanism opens the rectangular loading port (longitudinal loading port frame) to achieve rapid loading of goods.

[0027] 4. The top of the movable top cover assembly is equipped with five circular loading ports and one rectangular loading port (longitudinal loading port frame). When loading powdery goods such as flour, the top cover of the rectangular loading port (longitudinal loading port frame) remains in the closed position, and the loading port covers of each circular loading port are manually opened, and the vehicle is moved to the bottom of the unloading hopper of the loading station, so that each loading port of the vehicle corresponds to the unloading hopper one by one, avoiding dust pollution and realizing the loading of powdery goods. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 This is a top view of the roof;

[0030] Figure 2 It is a schematic diagram of the structure of the fixed top cover;

[0031] Figure 3 It is a schematic diagram of the structure of the arc-shaped skeleton (middle part);

[0032] Figure 4 It is a schematic diagram of the structure of the arc-shaped skeleton (end);

[0033] Figure 5 It is a top view of the movable top cover;

[0034] Figure 6 It is the left view of the movable top cover;

[0035] Reference numerals: 1 - fixed top cover assembly, 2 - movable top cover assembly;

[0036] 11-arc frame, 12-top plate, 13-longitudinal loading port frame, 14-end loading port frame, 15-walkway;

[0037] 111 - middle curved beam, 112 - longitudinal reinforcing beam, 113 - longitudinal beam, 114 - top curved beam;

[0038] 21-circular top cover plate assembly, 22-top cover cross beam assembly, 23-square loading port cover assembly, 24-top cover longitudinal beam assembly, 25-circular loading port locking device, 26-top cover support. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0040] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0042] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the inventive product is usually placed when used. 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, be constructed and operated in a specific orientation.

[0043] It should also be noted that, unless otherwise clearly specified and limited, the terms "disposed" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances, and therefore cannot be understood as limiting the present invention.

[0044] Example 1

[0045] like Figures 1 to 6 As shown, this embodiment provides a railway covered hopper car roof structure, including a fixed top cover assembly 1 and a movable top cover assembly 2 arranged on the fixed top cover assembly 1;

[0046] The fixed top cover assembly 1 includes an arc-shaped frame 11, a top plate 12 disposed on the arc-shaped frame 11, and a longitudinal loading opening frame 13 disposed longitudinally in the middle of the top plate 12;

[0047] The movable top cover assembly 2 includes a square loading port cover assembly 23, a circular top cover plate assembly 21, a top cover support 26, a top cover cross beam assembly 22, a top cover longitudinal beam assembly 24 and a circular loading port locking device 25; the square loading port cover assembly 23 is sealed and arranged at the longitudinal loading port frame 13 and the translation of the square loading port cover assembly 23 is realized by pneumatic control, a plurality of circular loading ports are arranged on the square loading port cover assembly 23, the circular top cover plate assembly 21 is sealed at the circular loading port, a circular loading port locking device 25 is arranged at each circular top cover plate assembly 21, and the top cover support 26 is located at the bottom of the supporting frame.

[0048] Specifically, the circular loading port is arranged on the rectangular loading port (longitudinal loading port frame). Different loading ports are selected for cargo loading according to the requirements of the loading medium. The double-layer top cover and multiple feed ports solve the technical problem of top cover movement jamming when the sliding track is deformed or the roller bearing is corroded. The fixed top cover assembly 1 is welded and fixed to the end wall and side wall of the vehicle; the movable top cover assembly is arranged directly above the longitudinal loading port frame 13, and is a combined loading port cover. The rotating shaft of the locking device of the movable top cover adopts a four-bar mechanism and a double-acting cylinder drive to realize the opening and closing of the loading port cover.

[0049] Example 2

[0050] like Figures 1 to 6 As shown, this embodiment provides a railway covered hopper car roof structure, including a fixed top cover assembly 1 and a movable top cover assembly 2 arranged on the fixed top cover assembly 1;

[0051] The fixed top cover assembly 1 includes an arc-shaped frame 11, a top plate 12 disposed on the arc-shaped frame 11, and a longitudinal loading opening frame 13 disposed longitudinally in the middle of the top plate 12;

[0052] The movable top cover assembly 2 includes a square loading port cover assembly 23, a circular top cover plate assembly 21, a top cover support 26, a top cover cross beam assembly 22, a top cover longitudinal beam assembly 24 and a circular loading port locking device 25; the square loading port cover assembly 23 is sealed and arranged at the longitudinal loading port frame 13 and the translation of the square loading port cover assembly 23 is realized by pneumatic control, a plurality of circular loading ports are arranged on the square loading port cover assembly 23, the circular top cover plate assembly 21 is sealed at the circular loading port, a circular loading port locking device 25 is arranged at each circular top cover plate assembly 21, and the top cover support 26 is located at the bottom of the supporting frame.

[0053] The arc-shaped frame 11 includes a top curved beam 114, a middle curved beam 111 disposed below the top curved beam 114, a longitudinal beam 113 disposed on the middle curved beam 111, and a longitudinal reinforcing beam 112 disposed on the middle curved beam 111;

[0054] The top curved beam 114 is made of hot-rolled angle steel, and the ends of the top curved beam 114 connected to the side walls are provided with segmented ends;

[0055] The material of the middle curved beam 111 is an ultra-thin steel plate, and the middle curved beam 111 is a segmented sheet-type arc-shaped structure.

[0056] Specifically, the fixed roof assembly 1 is a plate welding structure, the top curved beam 114 is made of hot-rolled angle steel, and the connection between the end and the side wall is processed in sections. The middle curved beam 111 is made of ultra-thin steel plate, which is a segmented sheet-type arc structure, consisting of the middle curved beam 111 and the side top connecting section of the middle curved beam 111. The longitudinal beam 113 is made of cold-bent steel. The longitudinal reinforcement beam 112 is only set at the transverse center of the vehicle body and is a sheet-type structure.

[0057] Example 3

[0058] This embodiment is further optimized on the basis of Embodiment 2, specifically:

[0059] The top plate 12 is made of a steel plate with a thickness of 3 mm.

[0060] Two end loading port frames 14 are respectively arranged at both ends of the top plate 12. The longitudinal loading port frame 13 and the end loading port frame 14 are made of cold-bent steel, and the loading port frame is sealed with aluminum alloy profiles and rubber sealing strips.

[0061] The fixed roof assembly 1 further comprises a walkway 15 which is longitudinally arranged on one side of the top plate 12 , and a fixed railing is arranged at the edge of the top plate 12 .

[0062] Specifically, the fixed roof assembly 1 is provided with a continuous rectangular loading port, and in order to ensure the safety of the operators on the roof, a fixed railing and a full-length walkway 15 are provided. The fixed roof assembly 1 is made of T4003 material.

[0063] Example 4

[0064] This embodiment is further optimized on the basis of Embodiment 2, specifically:

[0065] The square loading port cover assembly 23 is a variable-section cold-pressed structure, the top cover crossbeam assembly 22 is made of cold-bent cap steel, and the top cover longitudinal beam assembly 24 is made of cold-bent channel steel. The top cover crossbeam assembly 22, the top cover longitudinal beam assembly 24 and the square loading port cover assembly 23 are all made of 2.3 mm thick plate.

[0066] The circular top cover plate assembly 21 includes a retaining ring, a sealing gasket, a pressure plate, a bolt mounting seat, a locking rod support plate, a hinge and a locking pin.

[0067] Each circular loading port is located directly above the corresponding longitudinal loading port frame 13 .

[0068] The number of the circular top cover plate assemblies 21 and the number of the circular loading ports are both five.

[0069] The joint between the movable top cover assembly 2 and the fixed top cover assembly 1 is sealed by using an aluminum alloy profile and a rubber sealing strip.

[0070] Specifically, five circular loading ports and loading port covers are arranged on a rectangular movable top cover and are opened and closed manually by an operator.

Claims

1. A roof structure of a railway covered hopper car, characterized in that: It comprises a fixed top cover assembly (1) and a movable top cover assembly (2) arranged on the fixed top cover assembly (1); The fixed top cover assembly (1) comprises an arc-shaped frame (11), a top plate (12) arranged on the arc-shaped frame (11), and a longitudinal loading opening frame (13) arranged longitudinally in the middle of the top plate (12); The movable top cover assembly (2) comprises a square loading port cover assembly (23), a circular top cover plate assembly (21), a top cover support (26), a top cover cross beam assembly (22), a top cover longitudinal beam assembly (24) and a circular loading port locking device (25); The square loading port cover assembly (23) is sealed and arranged at the longitudinal loading port frame (13) and the translation of the square loading port cover assembly (23) is realized by pneumatic control. The square loading port cover assembly (23) is provided with a plurality of circular loading ports. The circular top cover assembly (21) is sealed at the circular loading ports. A circular loading port locking device (25) is provided at each of the circular top cover assemblies (21). The top cover support (26) is located at the bottom of the supporting frame.

2. The roof structure of a railway covered hopper car according to claim 1, characterized in that: The arc-shaped frame (11) comprises a top curved beam (114), a middle curved beam (111) arranged below the top curved beam (114), a longitudinal beam (113) arranged on the middle curved beam (111), and a longitudinal reinforcing beam (112) arranged on the middle curved beam (111); The top curved beam (114) is made of hot-rolled angle steel, and the ends of the top curved beam (114) connected to the side walls are provided with segmented end caps; The material of the middle curved beam (111) is a steel plate, and the middle curved beam (111) is a segmented sheet-type arc-shaped structure.

3. The roof structure of a railway covered hopper car according to claim 1, characterized in that: The top plate (12) is made of a steel plate with a thickness of 3 mm.

4. The roof structure of a railway covered hopper car according to claim 1, characterized in that: Two end loading port frames (14) are respectively arranged at both ends of the top plate (12); the longitudinal loading port frame (13) and the end loading port frame (14) are made of cold-bent steel.

5. The roof structure of a railway covered hopper car according to claim 1, characterized in that: The fixed roof assembly (1) further comprises a walkway (15) arranged longitudinally on one side of the top plate (12), and a fixed railing is arranged on the edge of the top plate (12).

6. The roof structure of a railway covered hopper car according to claim 1, characterized in that: The square loading port cover assembly (23) is a variable cross-section cold-pressed structure, the top cover cross beam assembly (22) is made of cold-bent cap steel, the top cover longitudinal beam assembly (24) is made of cold-bent channel steel, and the top cover cross beam assembly (22), the top cover longitudinal beam assembly (24) and the square loading port cover assembly (23) are all made of 2.3 mm thick plate.

7. The roof structure of a railway covered hopper car according to claim 1, characterized in that: The circular top cover plate assembly (21) comprises a retaining ring, a sealing gasket, a pressure plate, a bolt mounting seat, a locking rod support plate, a hinge and a locking pin.

8. The roof structure of a railway covered hopper car according to claim 7, characterized in that: Each of the circular loading ports is located directly above the longitudinal loading port frame (13).

9. The roof structure of a railway covered hopper car according to claim 8, characterized in that: The number of the circular top cover plate assemblies (21) and the number of the circular loading ports are both five.

10. The roof structure of a railway covered hopper car according to claim 1, characterized in that: The joint between the movable top cover assembly (2) and the fixed top cover assembly (1) is sealed by using an aluminum alloy profile and a rubber sealing strip.

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