Railway wagon lower side door hinge seat positioning device and assembling method

Abstract

The invention provides a railway wagon lower side door hinge seat positioning device and an assembling method, and relates to the technical field of railway wagon assembly.The railway wagon lower side door hinge seat positioning device comprises a frame, a first matching structure is arranged at one end of the frame, a second matching structure is arranged at the other end of the frame, and the first matching structure comprises a first horizontal positioning face and a first vertical positioning face; the first matching structure comprises a first horizontal positioning face and a first vertical positioning face, the first horizontal positioning face is used for being attached to the upper surface of a hasp base of a lower side door of the railway wagon, and the first vertical positioning face is used for being attached to the side face of the hasp base. The second horizontal positioning face is used for being attached to the first end face, located in the horizontal plane, of the hinge base of the lower side door of the railway wagon, and the second vertical positioning face is used for being attached to the second end face, located in the vertical plane, of the hinge base. The problems that in the prior art, the lower side door hinge base assembly precision is poor, and the assembly efficiency is low are solved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of railway wagon assembly, and more particularly relates to a railway wagon lower side door hinge seat positioning device and assembly method. BACKGROUND

[0002] Currently, in the process of positioning and assembling the hinge seat of the lower side door of a railway wagon open wagon, there are many challenges, including high labor demand, low assembly precision and low efficiency, etc. Because the railway wagon open wagon adopts a buckle locking device, the current assembly process usually needs multiple steps, such as measuring and positioning the size, marking the position, and spot welding, etc. This way of labor allocation not only significantly increases the labor cost, but also limits the flexibility and adaptability of the operation, making it more difficult to carry out construction under different environments and conditions.

[0003] In addition, the manual spot welding and size measurement method often cannot effectively guarantee the positioning precision of the lower side door hinge seat, which directly affects the safety and durability of the lower side door. In the process of positioning and assembling, any slight error can cause the safety of the lower side door to decrease, thereby causing problems such as the door being stuck and unable to close and the gap between the doors being too large, and in severe cases, it may even endanger the safety and reliability of the wagon operation.

[0004] In the process of solving these problems, technical improvement faces many resistances, including cost problems, lack of process standardization, and challenges in tooling sample inspection, etc. These factors together affect the stability of the assembly precision, leading to frequent assembly errors and causing great trouble for subsequent use and maintenance. SUMMARY

[0005] The purpose of the present application is to solve the problems of poor assembly precision and low assembly efficiency of the lower side door hinge seat in the prior art.

[0006] In order to achieve the above-mentioned purpose, the present application provides a railway wagon lower side door hinge seat positioning device, comprising:

[0007] a frame, one end of the frame is provided with a first matching structure, the other end of the frame is provided with a second matching structure, the first matching structure comprises a first horizontal positioning surface and a first vertical positioning surface, the first horizontal positioning surface is used to fit with the upper surface of the buckle seat of the lower side door of the railway wagon, the first vertical positioning surface is used to fit with the side surface of the buckle seat, the second matching structure comprises a second horizontal positioning surface and a second vertical positioning surface, the second horizontal positioning surface is used to fit with the first end surface of the hinge seat of the lower side door of the railway wagon in the horizontal plane, and the second vertical positioning surface is used to fit with the second end surface of the hinge seat in the vertical plane.

[0008] Optionally, the frame is a door-shaped frame, and the first fitting structure and the second fitting structure are arranged at the lower end and the upper end of the frame, respectively.

[0009] Optionally, the frame is internally provided with first reinforcing ribs arranged in a cross shape.

[0010] Optionally, the first fitting structure comprises two first extension parts arranged at one end of the frame and at least one second extension part, the two first extension parts extend towards the outer side of the frame, respectively, and the first horizontal positioning surface is formed on the side surface of the two first extension parts, one end of the second extension part is connected with the outer end of the first extension part, the other end of the second extension part extends vertically towards the direction away from the second fitting structure, and the first vertical positioning surface is formed on the side surface of the second extension part.

[0011] Optionally, a second reinforcing rib arranged in a diagonal shape is arranged between the first extension part and the frame.

[0012] Optionally, the second fitting structure comprises two third extension parts arranged at the other end of the frame and two fourth extension parts, the two third extension parts extend towards the outer side of the frame, respectively, and the second horizontal positioning surface is formed on the side surface of the two third extension parts, one end of the fourth extension part is connected with the third extension part or the frame, the other end of the fourth extension part extends vertically towards the direction away from the first fitting structure, and the second vertical positioning surface is formed on the side surface of the fourth extension part.

[0013] Optionally, one of the fourth extension parts is connected at a corner of the frame, and the other fourth extension part is connected at the outer end of the third extension part, and the two second vertical positioning surfaces are on the same side of the two fourth extension parts.

[0014] The present application also provides a railway wagon lower side door folding seat assembling method, which utilizes the railway wagon lower side door folding seat positioning device, and the assembling method comprises the following steps:

[0015] Placing the frame above the snap buckle seat so that the first horizontal positioning surface is attached to the upper surface of the snap buckle seat;

[0016] Horizontally moving the frame so that the first vertical positioning surface is attached to the side surface of the snap buckle seat;

[0017] Placing the folding seat above the frame, and making the first end surface in the horizontal plane and the second end surface in the vertical plane of the folding seat respectively attached to the second horizontal positioning surface and the second vertical positioning surface.

[0018] Optionally, the method further comprises welding the positioned folding seat and the wagon.

[0019] Optionally, further comprising:

[0020] The distance between the door frame and the side wall of the carriage is measured based on the two vertical sides of the frame, and the size of the door frame is checked;

[0021] The lower side door hinge seat positioning device of the railway wagon is removed.

[0022] The railway wagon lower side door hinge seat positioning device and assembly method have the beneficial effects that: the railway wagon lower side door hinge seat positioning device has a frame, first matching structures matched with the buckle seats of the lower side doors of the railway wagon and second matching structures matched with the hinge seats to be assembled are arranged at both ends of the frame, the frame is positioned in the horizontal and vertical directions by the first horizontal positioning surface and the second horizontal positioning surface of the first matching structures being attached to the upper surface and the side surface of the buckle seats, respectively, and after the frame is positioned, the second horizontal positioning surface and the second vertical positioning surface at the upper part of the frame are at a set position, the set position can satisfy that when the first end surface and the second end surface of the hinge seat are attached to the second horizontal positioning surface and the second vertical positioning surface, respectively, the hinge seat is not only supported by the frame, but also is at an assembly position matched with the buckle seat, so that the positioning and assembly of the hinge seat are realized, and the hinge seat at the assembly position is welded and fixed, the railway wagon lower side door hinge seat positioning device can not only conveniently determine the assembly position of the hinge seat and improve the positioning and assembly efficiency, but also can ensure the assembly precision and assembly consistency of the hinge seat.

[0023] Other features and advantages of the present application will be described in detail in the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0024] The above and other objects, features and advantages of the present application will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings in which like reference characters refer to like parts throughout the several views.

[0025] Figure 1 A structure diagram of a railway wagon lower side door hinge seat positioning device according to one embodiment of the present application is shown.

[0026] Figure 2 A use state diagram of a railway wagon lower side door hinge seat positioning device according to one embodiment of the present application is shown.

[0027] Figure 3 A flowchart of a railway wagon lower side door hinge seat assembly method according to one embodiment of the present application is shown.

[0028] Explanation of reference signs:

[0029] 1, frame; 2, first horizontal positioning surface; 3, first vertical positioning surface; 4, hasp seat; 5, second horizontal positioning surface; 6, second vertical positioning surface; 7, folding leaf seat; 8, first reinforcing rib; 9, first extension; 10, second extension; 11, second reinforcing rib; 12, third reinforcing rib; 13, third extension; 14, fourth extension; 15, door frame. DETAILED DESCRIPTION

[0030] Preferred embodiments of the present application will be described in more detail below. Although the following describes preferred embodiments of the present application, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present application will be more thoroughly and completely conveyed to those skilled in the art, and the scope of the present application will be fully conveyed to those skilled in the art.

[0031] As Figure 1 shown, the present application provides a railway wagon lower side door folding leaf seat positioning device, comprising:

[0032] a frame 1, one end of the frame 1 is provided with a first matching structure, the other end of the frame 1 is provided with a second matching structure, the first matching structure comprises a first horizontal positioning surface 2 and a first vertical positioning surface 3, the first horizontal positioning surface 2 is used to fit with the upper surface of the hasp seat 4 of the lower side door of the railway wagon, the first vertical positioning surface 3 is used to fit with the side surface of the hasp seat 4, the second matching structure comprises a second horizontal positioning surface 5 and a second vertical positioning surface 6, the second horizontal positioning surface 5 is used to fit with the first end surface of the folding leaf seat 7 of the lower side door of the railway wagon in the horizontal plane, the second vertical positioning surface 6 is used to fit with the second end surface of the folding leaf seat 7 in the vertical plane.

[0033] Specifically, in order to solve the problems of poor assembly precision and low assembly efficiency of the lower side door folding seat 7 in the prior art, the railway wagon lower side door folding seat 7 positioning device provided by the present application has a frame 1, first and second matching structures are arranged at both ends of the frame 1 and match with the buckle seat 4 of the lower side door of the railway wagon and the folding seat 7 to be assembled, respectively, the frame 1 is attached to the upper surface and the side surface of the buckle seat 4 through the first and second horizontal positioning surfaces 2 and 5 of the first matching structure, so that the positioning of the frame 1 in the horizontal and vertical directions is realized, after the positioning of the frame 1 is completed, the second horizontal positioning surface 5 and the second vertical positioning surface 6 at the upper part of the frame 1 are in a set position, the set position can meet the condition that the first and second end surfaces of the folding seat 7 are attached to the second horizontal positioning surface 5 and the second vertical positioning surface 6, respectively, so that the folding seat 7 is not only supported by the frame 1, but also is in an assembly position matched with the buckle seat 4, so that the positioning and assembly of the folding seat 7 are realized, and the folding seat 7 in the assembly position is welded and fixed, the railway wagon lower side door folding seat 7 positioning device can not only conveniently determine the assembly position of the folding seat 7 and improve the positioning and assembly efficiency, but also can ensure the assembly precision and consistency of the folding seat 7.

[0034] Optionally, the frame 1 is a door-shaped frame 1, and the first and second matching structures are arranged at the lower end and the upper end of the frame 1, respectively.

[0035] Specifically, the frame 1 is vertically installed outside the car body of the railway wagon when in use, the lower end is matched with the buckle seat 4 outside the car body through the first matching structure, and the second matching structure at the upper end realizes the positioning of the folding seat 7 to be assembled.

[0036] Optionally, the frame 1 is internally provided with first reinforcing ribs 8 arranged in a cross shape.

[0037] Specifically, the arrangement of the door-shaped frame 1 can minimize the weight of the frame 1 and the whole railway wagon lower side door folding seat 7 positioning device, the arrangement of the first reinforcing ribs 8 can structurally reinforce the frame 1 and enhance its resistance to deformation, thereby reducing the risk of inaccurate positioning caused by the deformation of the frame 1.

[0038] Optionally, the first matching structure comprises two first extending portions 9 and at least one second extending portion 10 arranged at one end of the frame 1, the two first extending portions 9 extend towards the outside of the frame 1, respectively, and the first horizontal positioning surface 2 is formed on the side surface of the two first extending portions 9, one end of the second extending portion 10 is connected with the outer end of the first extending portion 9, the other end of the second extending portion 10 extends vertically away from the second matching structure, and the first vertical positioning surface 3 is formed on the side surface of the second extending portion 10.

[0039] Specifically, two first extending parts 9 provide two first horizontal positioning surfaces 2, which are matched with two buckle seats 4 respectively, further ensuring the horizontal positioning accuracy, and at least one first vertical positioning surface 3 is needed, which is provided by a second extending part 10 and realized by the adhesion of the second extending part 10 with the side surface of the buckle seat 4 to realize the vertical positioning.

[0040] Optionally, a second reinforcing rib 11 is arranged between the first extending part 9 and the frame 1.

[0041] Specifically, the second reinforcing rib 11 strengthens the connection between the first extending part 9 and the frame 1, improves the deformation resistance, and reduces the risk of inaccurate positioning caused by the deformation of the first extending part 9.

[0042] In the embodiment, a third reinforcing rib 12 is further arranged as shown in the drawings. Figure 1 The third reinforcing rib 12 is used for strengthening the cross structure of the first reinforcing rib 8, and the first reinforcing rib 8, the second reinforcing rib 11 and the third reinforcing rib 12 form an anti-deformation support structure.

[0043] Optionally, the second matching structure includes two third extending parts 13 and two fourth extending parts 14 arranged at the other end of the frame 1, the two third extending parts 13 respectively extend towards the outer side of the frame 1, and the second horizontal positioning surface 5 is formed on the side surface of the two third extending parts 13, one end of the fourth extending part 14 is connected with the third extending part 13 or the frame 1, and the other end of the fourth extending part 14 extends vertically away from the first matching structure, and the second vertical positioning surface 6 is formed on the side surface of the fourth extending part 14.

[0044] Specifically, each third extending part 13 is matched with a fourth extending part 14 to realize the positioning of one folding seat 7, and the arrangement of the two third extending parts 13 and the two fourth extending parts 14 can satisfy the positioning and assembly of two folding seats 7 at one time, so that the two folding seats 7 to be positioned correspond to and match with the positions of the two buckle seats 4 respectively, the third extending part 13 and the fourth extending part 14 matched with each other form an L-shaped structure, and are adhesively matched with the first end surface and the second end surface of the same folding seat 7 to accommodate and position the folding seat 7.

[0045] In the embodiment, the extending parts are all columnar parts and are integrally connected with the frame 1.

[0046] Optionally, one fourth extending part 14 is connected at a corner of the frame 1, and the other fourth extending part 14 is connected at the outer end of the third extending part 13, and the two second vertical positioning surfaces 6 are on the same side of the two fourth extending parts 14.

[0047] Specifically, as shown in the drawings,Figure 2 As shown, the upper surfaces of the two third extending parts 13 are in the same horizontal plane, and each supports a hinge seat 7. The two fourth extending parts 14 position the lateral positions of the hinge seats 7, and each fourth extending part 14 is attached to the second end surface of the same end of the hinge seat 7.

[0048] As shown, the present application also provides a railway wagon lower side door hinge seat 7 assembling method, which utilizes the railway wagon lower side door hinge seat 7 positioning device described above, and the assembling method comprises: Figure 3

[0049] Placing the frame 1 above the snap seat 4 so that the first horizontal positioning surface 2 is attached to the upper surface of the snap seat 4;

[0050] Horizontally moving the frame 1 so that the first vertical positioning surface 3 is attached to the side surface of the snap seat 4;

[0051] Placing the hinge seat 7 above the frame 1, and making the first end surface in the horizontal plane and the second end surface in the vertical plane of the hinge seat 7 respectively attached to the second horizontal positioning surface 5 and the second vertical positioning surface 6.

[0052] Specifically, the railway wagon lower side door hinge seat 7 assembling method utilizes the railway wagon lower side door hinge seat 7 positioning device described above and cooperates with the snap seat 4 to complete the positioning of itself and the hinge seat 7. The position of the snap seat 4 is used to realize the positioning of the hinge seat 7 which has relative position requirements with the snap seat 4 through the railway wagon lower side door hinge seat 7 positioning device described above, so as to ensure the assembling precision and positioning assembling efficiency of the hinge seat 7.

[0053] Optionally, it also comprises welding the positioned hinge seat 7 with the wagon.

[0054] Specifically, the hinge seat 7 positioned in the assembling position by the railway wagon lower side door hinge seat 7 positioning device described above is connected with the wagon by welding, and is fixed outside the wagon.

[0055] Optionally, it also comprises:

[0056] Taking the two vertical side edges of the frame 1 as the reference, measuring the distance between the door frame 15 and the side wall of the wagon, and checking the size of the door frame 15;

[0057] Removing the railway wagon lower side door hinge seat 7 positioning device.

[0058] ​Specifically, the side of the frame 1 of the railway wagon lower side door hinge seat 7 positioning device provides a detection reference for the size of the door sill, which can facilitate the detection of the size of the door frame 15 by measuring the distance between the side and the door frame 15, so as to ensure the fitting accuracy between the door frame 15 and the door plate. If the size of the door frame 51 does not meet the requirements, the door frame 15 can be adjusted, such as cutting to enlarge the size of the door frame 15 or welding to reduce the size of the door frame 15.

[0059] In summary, the railway wagon lower side door hinge seat 7 positioning device and the assembling method provided by the present application are based on the research on the problems of insufficient manual assembly accuracy of the hinge seat 7 in the prior art, dependence on manual operation, easy to make errors during assembly process, resulting in poor cooperation between the lower side door and the hasp seat 4; the research on the problem that the consumption of human resources is large, the skill requirement of workers is high, and under the influence of various external factors such as high temperature and bad weather, the working efficiency and accuracy of workers are difficult to guarantee; the research on the problem that there is lack of clear operation specification and standardized operation process, resulting in large quality fluctuation of the same batch of products during the assembly process, and it is difficult to achieve the product requirements; through the design of the railway wagon lower side door hinge seat 7 positioning device and the assembling method, the human cost of hinge seat 7 positioning and assembly is reduced, the assembly accuracy and welding accuracy of the railway wagon lower side door hinge seat 7 are improved, the overall production efficiency is improved, and the side of the frame 1 of the railway wagon lower side door hinge seat 7 positioning device can provide a detection reference for the size of the door sill, which can facilitate the detection of the size of the door frame 15 by measuring the distance between the side and the door frame 15, so as to ensure the fitting accuracy between the door frame 15 and the door plate.

[0060] The above has described the embodiments of the present application, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A positioning device for the hinged seat of a lower side door of a railway freight car, characterized in that, The positioning device includes: The frame has a first mating structure at one end and a second mating structure at the other end. The first mating structure includes a first horizontal positioning surface and a first vertical positioning surface. The first horizontal positioning surface is used to fit against the upper surface of the latch seat of the lower side door of the railway freight car, and the first vertical positioning surface is used to fit against the side of the latch seat. The second mating structure includes a second horizontal positioning surface and a second vertical positioning surface. The second horizontal positioning surface is used to fit against the first end face of the hinge seat of the lower side door of the railway freight car, which is in a horizontal plane, and the second vertical positioning surface is used to fit against the second end face of the hinge seat, which is in a vertical plane.

2. The railway freight car lower side door hinge seat positioning device according to claim 1, characterized in that, The frame is a portal frame, and the first mating structure and the second mating structure are respectively disposed at the lower end and the upper end of the frame.

3. The railway freight car lower side door hinge seat positioning device according to claim 2, characterized in that, The frame is provided with intersecting first reinforcing ribs.

4. The railway freight car lower side door hinge seat positioning device according to claim 1, characterized in that, The first mating structure includes two first extensions and at least one second extension disposed at one end of the frame. The two first extensions extend outward toward the frame and form a first horizontal positioning surface on the side of the two first extensions. One end of the second extension is connected to the outer end of the first extension, and the other end of the second extension extends vertically away from the second mating structure and forms a first vertical positioning surface on the side of the second extension.

5. The railway freight car lower side door hinge seat positioning device according to claim 4, characterized in that, A second reinforcing rib is provided diagonally between the first extension and the frame.

6. The railway freight car lower side door hinge seat positioning device according to claim 1, characterized in that, The second mating structure includes two third extensions and two fourth extensions disposed at the other end of the frame. The two third extensions extend outward toward the frame and form a second horizontal positioning surface on the side of the two third extensions. One end of the fourth extension is connected to the third extension or to the frame, and the other end of the fourth extension extends vertically away from the first mating structure and forms a second vertical positioning surface on the side of the fourth extension.

7. The railway freight car lower side door hinge seat positioning device according to claim 6, characterized in that, One of the fourth extensions is connected to one corner of the frame, and the other of the fourth extensions is connected to the outer end of the third extension. The two second vertical positioning surfaces are located on the same side of the two fourth extensions.

8. A method for assembling a lower side door hinge seat of a railway freight car, utilizing the positioning device for the lower side door hinge seat of a railway freight car as described in any one of claims 1-7, characterized in that, The assembly method includes: Place the frame above the hook and loop seat so that the first horizontal positioning surface fits against the upper surface of the hook and loop seat; The horizontally movable frame allows the first vertical positioning surface to fit against the side of the latch seat; Place the hinge holder above the frame, and ensure that the first end face of the hinge holder in the horizontal plane and the second end face in the vertical plane are in contact with the second horizontal positioning surface and the second vertical positioning surface, respectively.

9. The method for assembling the lower side door hinge seat of a railway freight car according to claim 8, characterized in that, Also includes: Weld the positioned hinge seat to the carriage.

10. The method for assembling the lower side door hinge seat of a railway freight car according to claim 8, characterized in that, Also includes: Using the two vertical sides of the frame as a reference, measure the distance between the door frame and the side wall of the carriage to check the dimensions of the door frame; Remove the hinged seat positioning device from the lower side door of the railway freight car.

Images