Railway van side wall flexible assembly clamp

Abstract

The utility model provides a railway van side wall flexible assembling clamp, which relates to the field of railway van side wall welding clamps and comprises a supporting assembly, the supporting assembly comprises a welding platform and a portal frame, the welding platform is used for placing van side wall parts, and a limiting mechanism is mounted on the surface of the supporting assembly. The limiting mechanism comprises a limiting assembly and an adjusting assembly, the limiting assembly is used for welding and fixing parts of the side walls of the van, and the limiting assembly comprises an air cylinder and a spring pressing plate; side wall parts can be fixed through the air cylinder and the spring pressing plate, the fixing position of the spring pressing plate can be adjusted through the first sliding rail and the first sliding base, and the fixing position of the portal frame can be adjusted through cooperation of the second sliding rail, the second sliding base, the third sliding rail, the third sliding base and the portal frame. Therefore, the side walls of the van with different sizes can be spliced and welded, the machining quality and the production efficiency are effectively improved, and the production cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the field of side wall welding jigs for railway passenger and freight cars, and specifically relates to a flexible assembly jig for the side walls of railway passenger and freight cars. Background Art

[0002] In the production and manufacturing process of railway passenger and freight car bodies, major components such as side walls, roofs, and underframes are mostly assembled by welding. Welding groups involve deformation control. In mass production, it is difficult to achieve precise and unified control. To ensure design and process requirements and improve product quality, at present, many projects vigorously use integral machining of side walls. Relying on the stability, high speed, and high precision of machining centers, key process dimensions such as doors, windows, ribs, grooves, and holes of side walls are processed.

[0003] The length of railway passenger and freight car bodies is about 18m to 25m, and there are many types of vehicle models. The heights of side walls, the numbers of doors and windows, and cross-sections are not the same. The machining jigs need to change according to vehicle models, side wall heights, cross-sections, and the numbers of doors and windows. In the past, specific jigs needed to be designed to meet these changes. The design, manufacture, and production changeover of jigs increased the manufacturing cost and time cost of enterprises, and were not conducive to the stability of production and the improvement of product quality, bringing inconvenience to the manufacturing of passenger and freight car bodies.

[0004] In summary, the utility model provides a flexible assembly jig for the side walls of railway passenger and freight cars to solve the above problems. Content of the Utility Model

[0005] To solve the above technical problems, the utility model provides the following technical solutions:

[0006] A flexible assembly jig for the side walls of railway passenger and freight cars includes a support assembly. The support assembly includes a welding platform and a gantry. The welding platform is used to place the components of the side walls of passenger and freight cars. A limiting mechanism is installed on the surface of the support assembly. The limiting mechanism includes a limiting component and an adjusting component. The limiting component is used to weld and fix the components of the side walls of passenger and freight cars. The limiting component includes a cylinder and a spring pressing plate. The adjusting component is used to adjust the use positions of the gantry, the cylinder, and the spring pressing plate. The adjusting component includes a first slide rail, a first slide block, a second slide rail, a second slide block, a third slide rail, and a third slide block.

[0007] Further, in the utility model, the number of the welding platforms is four groups and they are combined by welding. The number of the gantries is two, and they are respectively located on both sides of the surface of the welding platform.

[0008] Further, in the utility model, the number of the first slide rails is two, and they are respectively installed at the front end and the rear end of the top of the welding platform. The first slide rails are threadedly connected to the welding platform through bolts.

[0009] Furthermore, in the present utility model, the number of the first sliding seats is several, and all of them are installed on the surface of the first slide rail. The first sliding seat is slidably connected to the inner cavity of the first slide rail, and the spring pressing plate is fixed on the top of the first sliding seat.

[0010] Furthermore, in the present utility model, the number of the second slide rails is two, and they are respectively installed on the front and back of the welding platform. The second slide rail is fixedly connected to the welding platform.

[0011] Furthermore, in the present utility model, the second sliding seat is located on the surface of the second slide rail and is slidably connected to the inner cavity of the second slide rail. The bottom of the gantry is fixedly connected to the second sliding seat.

[0012] Furthermore, in the present utility model, the number of the third slide rails is two, and they are respectively and fixedly distributed at the bottoms of the two gantries. A third sliding seat is slidably connected to the inner cavity of the third slide rail, and the cylinder is fixed at the bottom of the third sliding seat.

[0013] Beneficial effects: The present utility model has the following beneficial effects:

[0014] By setting the support assembly and the limiting mechanism, the present utility model can fix the side wall of the passenger and freight vehicle during welding. The welding platform is used to provide a welding platform, the gantry is used to support the cylinder, the cylinder and the spring pressing plate can fix the side wall parts. The first slide rail and the first sliding seat can adjust the fixing position of the spring pressing plate, and the second slide rail, the second sliding seat, the third slide rail, the third sliding seat and the gantry cooperate to adjust the fixing position of the gantry, so as to assemble and weld the side walls of passenger and freight vehicles with different sizes, effectively improving the processing quality and production efficiency and reducing the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the front view structural schematic diagram of the present utility model;

[0016] Figure 2 is the side view structural schematic diagram of the present utility model;

[0017] Figure 3 is the top view structural schematic diagram of the present utility model;

[0018] Figure 4 is the front elevation structural schematic diagram of the present utility model.

[0019] In the figure:

[0020] 1. Support assembly; 101. Welding platform; 102. Gantry; 2. Limiting mechanism; 21. Limiting component; 211. Cylinder; 212. Spring pressing plate; 22. Adjusting component; 221. First slide rail; 222. First slide block; 223. Second slide rail; 224. Second slide block; 225. Third slide rail; 226. Third slide block. Detailed implementation manner

[0021] In order to better understand the technical content of the present utility model, specific embodiments are hereby given and described in conjunction with the accompanying drawings as follows. In the present disclosure, various aspects of the present utility model are described with reference to the accompanying drawings, and many illustrative embodiments are shown in the drawings. The embodiments of the present disclosure do not necessarily define all aspects of the present utility model. It should be understood that the various concepts and embodiments introduced above, as well as those described in more detail below, can be implemented in any of many ways, because the concepts and embodiments disclosed in the present utility model are not limited to any implementation manner. In addition, some aspects of the present utility model can be used alone, or in any suitable combination with other aspects of the present utility model. Embodiment

[0022] As Figures 1-4 shown, this is the first embodiment of the present utility model. This embodiment provides a flexible assembly fixture for the side walls of railway passenger and freight cars, including a support assembly 1. The support assembly 1 includes a welding platform 101 and a gantry 102. The welding platform 101 is used to place the parts of the side walls of passenger and freight cars. A limiting mechanism 2 is installed on the surface of the support assembly 1. The limiting mechanism 2 includes a limiting component 21 and an adjusting component 22. The limiting component 21 is used to weld and fix the parts of the side walls of passenger and freight cars. The limiting component 21 includes a cylinder 211 and a spring pressing plate 212. The adjusting component 22 is used to adjust the use positions of the gantry 102, the cylinder 211, and the spring pressing plate 212. The adjusting component 22 includes a first slide rail 221, a first slide block 222, a second slide rail 223, a second slide block 224, a third slide rail 225, and a third slide block 226.

[0023] As Figures 1-4As shown in the figure, the welding platform 101 is used to provide a placement space for the welding parts of the passenger and freight vehicle side walls. The side wall welding parts can be fixed by the air cylinder 211 and the spring pressing plate 212. The fixed position of the spring pressing plate 212 can be adjusted through the cooperation of the first slide rail 221 and the first slide block 222, so as to achieve lateral limit. Through the cooperation of the second slide rail 223, the second slide block 224 and the gantry 102, the lateral fixed position of the air cylinder 211 can be adjusted. Through the cooperation of the third slide rail 225 and the third slide block 226, the longitudinal fixed position of the air cylinder 211 can be adjusted, so as to achieve longitudinal limit. The telescopic output end of the air cylinder 211 can vertically fix the side wall welding parts, so as to achieve vertical limit. The output end of the air cylinder 211 can be sleeved with a rubber sleeve to reduce the wear of the welding parts. Through the cooperation of the support assembly 1 and the limit mechanism 2, the passenger and freight vehicle side walls of different sizes can be assembled and welded, effectively improving the processing quality and production efficiency and reducing the production cost. Embodiment

[0024] Refer to Figures 1-4 , which is the second embodiment of the present utility model. This embodiment is based on the previous embodiment.

[0025] In this embodiment, the number of the welding platforms 101 is four groups and they are formed by welding. The number of the gantries 102 is two and they are respectively located on both sides of the surface of the welding platform 101.

[0026] The number of the first slide rails 221 is two, and they are respectively installed at the front end and the rear end of the top of the welding platform 101. The first slide rails 221 are connected to the welding platform 101 by bolt threads.

[0027] The number of the first slide blocks 222 is several, and they are all installed on the surface of the first slide rails 221. The first slide blocks 222 are slidably connected to the inner cavity of the first slide rails 221. The spring pressing plate 212 is fixed to the top of the first slide blocks 222.

[0028] The number of the second slide rails 223 is two, and they are respectively installed on the front and back of the welding platform 101. The second slide rails 223 are fixedly connected to the welding platform 101.

[0029] The second slide block 224 is located on the surface of the second slide rail 223 and is slidably connected to the inner cavity of the second slide rail 223. The bottom of the gantry 102 is fixedly connected to the second slide block 224.

[0030] The number of the third slide rails 225 is two, and they are respectively and fixedly distributed at the bottoms of the two gantries 102. A third slide block 226 is slidably connected to the inner cavity of the third slide rail 225. The air cylinder 211 is fixed to the bottom of the third slide block 226.

[0031] Such as Figures 1-4As shown, pull the spring pressure plate 212. The spring pressure plate 212 drives the first sliding seat 222 to slide along the inner cavity of the first slide rail 221. The distance between the spring pressure plates 212 can be adjusted through the first slide rail 221 and the first sliding seat 222, so as to adapt to the cross beams and cross plates of the side walls of passenger cars and freight cars with different sizes. The cross beam or cross plate is pressed and fixed by the spring pressure plate 212. Pull the gantry 102. The gantry 102 drives the second sliding seat 224 to move along the inner cavity of the second slide rail 223, so as to adjust the distance between the two gantries 102. The output end of the air cylinder 211 extends to press and fix both ends of the cross beam or cross plate, so as to prevent deviation during the welding process. Pull the air cylinder 211. The air cylinder 211 drives the third sliding seat 226 to move along the inner cavity of the third slide rail 225, so as to adjust the distance between the air cylinders 211. In this way, the welding and assembly of the side walls of passenger cars and freight cars with different sizes can be carried out.

[0032] During use, pull the spring pressure plate 212. The spring pressure plate 212 drives the first sliding seat 222 to slide along the inner cavity of the first slide rail 221. The distance between the spring pressure plates 212 can be adjusted through the first slide rail 221 and the first sliding seat 222, so as to adapt to the cross beams and cross plates of the side walls of passenger cars and freight cars with different sizes. The cross beam or cross plate is pressed and fixed by the spring pressure plate 212. Pull the gantry 102. The gantry 102 drives the second sliding seat 224 to move along the inner cavity of the second slide rail 223, so as to adjust the distance between the two gantries 102. The output end of the air cylinder 211 extends to press and fix both ends of the cross beam or cross plate, so as to prevent deviation during the welding process. Pull the air cylinder 211. The air cylinder 211 drives the third sliding seat 226 to move along the inner cavity of the third slide rail 225, so as to adjust the distance between the air cylinders 211. In this way, the welding and assembly of the side walls of passenger cars and freight cars with different sizes can be carried out, effectively improving the processing quality and production efficiency and reducing the production cost.

[0033] The standard parts used in this application document can all be purchased from the market, and can also be customized according to the description in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, welding, etc. that are mature in the prior art. The machines, parts and equipment all adopt conventional models in the prior art. The control method is automatically controlled by a controller. The control circuit of the controller can be realized by simple programming by those skilled in the art, which belongs to the common general knowledge in this field. And this application document is mainly used to protect the mechanical device, so the control method and circuit connection are not explained in detail in this application document.

[0034] Although the present utility model has been disclosed above with the preferred embodiments, it is not intended to limit the present utility model. Those of ordinary skill in the technical field to which the present utility model pertains can make various modifications and refinements without departing from the spirit and scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to that defined by the claims.

Claims

1. The flexible assembly jig for the side walls of railway passenger and freight cars, comprising a support assembly (1), is characterized in that: The support assembly (1) includes a welding platform (101) and a gantry (102). The welding platform (101) is used to place the components of the passenger and freight vehicle side walls. A limiting mechanism (2) is installed on the surface of the support assembly (1). The limiting mechanism (2) includes a limiting component (21) and an adjusting component (22). The limiting component (21) is used to weld and fix the components of the passenger and freight vehicle side walls. The limiting component (21) includes a cylinder (211) and a spring pressing plate (212). The adjusting component (22) is used to adjust the usage positions of the gantry (102), the cylinder (211), and the spring pressing plate (212). The adjusting component (22) includes a first slide rail (221), a first slide block (222), a second slide rail (223), a second slide block (224), a third slide rail (225), and a third slide block (226). The number of the first slide rails (221) is two, and they are respectively installed at the front end and the rear end of the top of the welding platform (101). The first slide rail (221) is connected to the welding platform (101) by bolt threads. The number of the first slide blocks (222) is several, and they are all installed on the surface of the first slide rail (221). The first slide block (222) is slidably connected to the inner cavity of the first slide rail (221). The spring pressing plate (212) is fixed to the top of the first slide block (222). The number of the second slide rails (223) is two, and they are respectively installed on the front and the back of the welding platform (101). The second slide rail (223) is fixedly connected to the welding platform (101). The second slide block (224) is located on the surface of the second slide rail (223) and is slidably connected to the inner cavity of the second slide rail (223). The bottom of the gantry (102) is fixedly connected to the second slide block (224). The number of the third slide rails (225) is two, and they are respectively and fixedly distributed at the bottom of the two gantries (102). A third slide block (226) is slidably connected to the inner cavity of the third slide rail (225). The cylinder (211) is fixed to the bottom of the third slide block (226).

2. The flexible assembly jig for the side wall of railway passenger and freight cars according to claim 1, wherein: The number of the welding platforms (101) is four groups, and they are combined by welding. The number of the gantries (102) is two, and they are respectively located on both sides of the surface of the welding platform (101).

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