Wagon sleeper beam welding deformation correcting device

Abstract

The utility model discloses a railway wagon sleeper beam welding deformation correcting device which comprises a bottom plate, pressing structures are fixed to the two ends of the top of the bottom plate, the railway wagon sleeper beam welding deformation correcting device further comprises a moving structure, and the two ends of the moving structure are fixed to the pressing structures at the two ends of the top of the bottom plate; and the correcting structure is fixed at the bottom of the moving structure. A motor in the moving structure drives a threaded shaft to rotate, so that a moving block can move along the threaded shaft, a correcting structure at the bottom of the moving block is driven to move, the correcting structure is moved to one side of the sleeper beam welding position, the end of the sleeper beam abuts against the side wall of the U-shaped frame and a connecting plate on one side of the bearing plate, and the position of the sleeper beam is straightened; the electric push rod in the U-shaped frame drives the first pressing plate to move downwards, the first pressing plate presses the two ends of the sleeper beam, then the hydraulic cylinder in the correcting structure drives the second pressing plate to move downwards, the sleeper beam is pressed, the stress area is increased, the stability of the sleeper beam is enhanced during welding, and bending deformation of the sleeper beam during welding is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to a railway truck bolster welding deformation correction device. BACKGROUND

[0002] The railway truck bolster is one of the key components of the railway truck body frame, and its main function is to bear and transmit the vertical and horizontal load from the truck body, ensuring the stability and safety of the truck body. The design and material selection of the bolster have an important influence on the carrying capacity and service life of the railway truck. The bolster needs to have sufficient carrying capacity, lightweight, durability and good maintainability to meet the high-efficiency operation requirements of the railway truck.

[0003] When welding the bolster, the two ends of the bolster are pressed by the pressing structure. Due to the small force area during pressing and the large internal stress during automatic welding of the bolster, the local bending of the pressing point is easy to occur, the post-welding deformation is large, the flatness is seriously out of tolerance, and the welded bolster needs to be repaired, which is a large workload and time-consuming.

[0004] Therefore, it is desirable to provide a railway truck bolster welding deformation correction device. CONTENT OF THE INVENTION

[0005] The railway truck bolster welding deformation correction device provided in the present embodiment solves the problem that the force area is small when pressing the two ends of the bolster, the internal stress is large during automatic welding of the bolster, the local bending of the pressing point is easy to occur, the post-welding deformation is large, the flatness is seriously out of tolerance, and the welded bolster needs to be repaired, which is a large workload and time-consuming.

[0006] According to one aspect of the present application, a railway truck bolster welding deformation correction device is provided, comprising a bottom plate, two ends of the top of the bottom plate are fixed with pressing structures, the railway truck bolster welding deformation correction device further comprises:

[0007] A moving structure is fixed at both ends of the pressing structure on the top of the bottom plate;

[0008] A correction structure is fixed at the bottom of the moving structure.

[0009] Further, the pressing structure comprises a fixed block, a U-shaped frame, an electric push rod and a pressing plate one, the fixed blocks are symmetrically fixed at both ends of the top of the bottom plate, the U-shaped frames are fixed at the top of the fixed blocks, the electric push rods are fixed at the top of the U-shaped frames, and the pressing plate ones are fixed at the bottom end of the electric push rods.

[0010] Further, the moving structure comprises a fixed frame, a motor, a threaded shaft and a moving block, the fixed frame is fixed at the top end of the corresponding U-shaped frame, the motor is fixed on the outer wall of one end of the fixed frame, the threaded shaft is fixed on the output end of the motor through the side wall of the fixed frame, and the other end of the threaded shaft is rotationally connected to the inner wall of the other side of the fixed frame.

[0011] Further, the threaded shaft is threadedly connected with the moving block, the moving block is fixed with a limiting block at the top, the limiting block is slidably connected to the limiting groove at the top end, and the limiting groove is transversely arranged at the top of the fixed frame.

[0012] Further, the correction structure comprises a connecting plate, a bearing plate, a sliding block, a sliding groove, a mounting plate, a fixed plate, a hydraulic cylinder and a pressing plate two, the connecting plate is fixed at one end of the bottom of the moving block, the bottom end of the connecting plate is fixed at one end of the top of the bearing plate, and the mounting plate is fixed on the top of the bottom plate at both ends of the bottom of the bearing plate.

[0013] Further, the mounting plate is transversely provided with a sliding groove at the top end, a plurality of groups of sliding blocks are slidably connected in the sliding groove, the top end of the sliding block is fixed to the bottom of the bearing plate, and the bearing plate is on the same horizontal line as the bottom end of the U-shaped frame.

[0014] Further, the fixed plate is fixed on the side wall of the connecting plate at the top of the bearing plate, the hydraulic cylinder is fixed on the fixed plate, and the pressing plate two is fixed on the bottom end of the hydraulic cylinder through the fixed plate.

[0015] The application has the advantages that:

[0016] 1. By arranging the moving structure and the correction structure in the middle of the pressing structure, the pillow beam is placed in the bearing plate and the U-shaped frame, the two ends of the pillow beam are pressed by the pressing structure, the motor in the moving structure drives the threaded shaft to rotate, the moving block can move along the threaded shaft, thereby driving the correction structure at the bottom of the moving block to move, the correction structure is moved to the side of the pillow beam welding position, the hydraulic cylinder in the correction structure drives the pressing plate two to move downward, the pillow beam is pressed, the stress area is increased, the stability of the pillow beam during welding is enhanced, and the pillow beam is prevented from being bent and deformed during welding. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor.

[0018] Fig. 1 The overall structure schematic diagram of one embodiment of the present application;

[0019] Fig. 2 A front view structural schematic diagram of an embodiment of the present application;

[0020] Fig. 3 A side view structural schematic diagram of a moving structure and a correction structure of an embodiment of the present application.

[0021] In the figure: 1, base plate; 2, pressing structure; 201, fixed block; 202, U-shaped frame; 203, electric push rod; 204, pressing plate one; 3, correction structure; 301, connecting plate; 302, bearing plate; 303, sliding block; 304, sliding groove; 305, mounting plate; 306, fixed plate; 307, hydraulic cylinder; 308, pressing plate two; 4, moving structure; 401, fixed frame; 402, motor; 403, threaded shaft; 404, moving block; 5, limiting block; 6, limiting groove. DETAILED DESCRIPTION

[0022] In order to make the personnel in the technical field better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person of ordinary skill in the art without making creative labor should belong to the scope of protection of the present application.

[0023] It should be noted that the terms “first”, “second”, and the like in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented. In addition, the terms “include” and “have” and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not necessarily limit to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0024] In the present application, the terms “up”, “down”, “left”, “right”, “front”, “back”, “top”, “bottom”, “inner”, “outer”, “middle”, “vertical”, “horizontal”, “lateral”, “longitudinal”, and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0025] And, the above-mentioned partial terms can be used to represent other meanings in addition to the orientation or positional relationship, for example, the term "upper" can also be used to represent a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in this application can be understood according to the specific circumstances.

[0026] In addition, the terms "mount", "set", "provided with", "connected", "connected", "socketed" should be broadly understood. For example, it can be fixedly connected, detachably connected, or integrally configured; it can be mechanically connected or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0027] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0028] Please refer to Figs. 1-3 As shown in the figure, a railway freight car sleeper welding deformation correction device, including the bottom plate 1, the bottom plate 1 top two ends fixed with the compression structure 2, the railway freight car sleeper welding deformation correction device also includes:

[0029] The moving structure 4, the moving structure 4 both ends with the compression structure 2 fixed at the top of both ends of the bottom plate 1;

[0030] The correction structure 3, the correction structure 3 is fixed at the bottom of the moving structure 4.

[0031] The compression structure 2 includes fixed block 201, U-shaped frame 202, electric push rod 203 and pressing plate 204, the fixed block 201 is symmetrically fixed at the top of both ends of the bottom plate 1, the fixed block 201 top is fixed with U-shaped frame 202, the U-shaped frame 202 is fixed with electric push rod 203 at the top, the electric push rod 203 bottom is fixed with pressing plate 204.

[0032] The moving structure 4 includes fixed frame 401, motor 402, threaded shaft 403 and moving block 404, the fixed frame 401 both ends with the corresponding U-shaped frame 202 top fixed, the fixed frame 401 one end outer wall fixed with motor 402, the motor 402 output end through the fixed frame 401 side wall fixed with threaded shaft 403, the threaded shaft 403 other end with fixed frame 401 other side inner wall rotationally connected.

[0033] The threaded shaft 403 is threadedly connected with a moving block 404, the top of the moving block 404 is fixed with a limiting block 5, the top end of the limiting block 5 is slidingly connected in a limiting groove 6, the limiting groove 6 is transversely arranged at the top of the fixed frame 401, the cooperation of the limiting block 5 and the limiting groove 6 can limit the moving block 5, avoiding the rotation of the moving block 404 with the rotation of the threaded shaft 403.

[0034] The correction structure 3 includes a connecting plate 301, a bearing plate 302, a sliding block 303, a sliding groove 304, a mounting plate 305, a fixed plate 306, a hydraulic cylinder 307 and a pressing plate two 308, the connecting plate 301 is fixed at one end of the bottom of the moving block 404, the bottom end of the connecting plate 301 is fixed at one end of the top of the bearing plate 302, the mounting plate 305 is fixed at the top of the bottom plate 1 of both ends of the bottom of the bearing plate 302.

[0035] The mounting plate 305 is transversely provided with a sliding groove 304 at the top end, a plurality of groups of sliding blocks 303 are slidingly connected in the sliding groove 304, the top end of the sliding block 303 is fixed at the bottom of the bearing plate 302, the bearing plate 302 is on the same horizontal line with the bottom end of the U-shaped frame 202.

[0036] The fixed plate 306 is fixed on the side wall of the connecting plate 301 at the top of the bearing plate 302, the hydraulic cylinder 307 is fixed on the fixed plate 306, the pressing plate two 308 is fixed at the bottom end of the hydraulic cylinder 307.

[0037] The working principle and the use method, the electrical components in the application are externally connected with power supply and control device during use, first, the pillow beam to be welded is placed in the bearing plate 302 and the U-shaped frame 202, then the motor 402 in the moving structure 4 drives the threaded shaft 403 to rotate, the moving block 404 moves along the threaded shaft 403, thereby driving the correction structure 3 at the bottom of the moving block 404 to move, the correction structure 3 is moved to the side of the pillow beam welding position, the end of the pillow beam is abutted with the side wall of the U-shaped frame 202 and the connecting plate 301 on one side of the bearing plate 302, the position of the pillow beam is adjusted, the electric push rod 203 in the U-shaped frame 202 drives the pressing plate one 204 to move downward, the pressing plate one 204 presses the two ends of the pillow beam, before welding, the hydraulic cylinder 307 in the correction structure 3 drives the pressing plate two 308 to move downward, the pillow beam is pressed, the stress area is increased, the stability of the pillow beam is enhanced during welding, avoiding the bending deformation of the pillow beam during welding.

[0038] The above only describes the preferred embodiments of the application and is not used to limit the application, the application can have various changes and variations for those skilled in the art, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the application should be included in the protection scope of the application.

Claims

1. A railway freight car bolster welding deformation correction device, comprising a bottom plate (1), the top of the bottom plate (1) is fixed with a pressing structure (2) at both ends, characterized in that, The railway truck bolster welding deformation correction device further comprises: A moving structure (4) fixed at both ends of the pressing structure (2) at the top of the bottom plate (1); A correction structure (3) fixed at the bottom of the moving structure (4); The pressing structure (2) comprises fixed blocks (201), U-shaped frames (202), electric push rods (203) and pressing plates (204), the fixed blocks (201) are symmetrically fixed at the top of the bottom plate (1), the U-shaped frames (202) are fixed at the top of the fixed blocks (201), the electric push rods (203) are fixed at the top of the U-shaped frames (202), and the pressing plates (204) are fixed at the bottom of the electric push rods (203); The moving structure (4) comprises fixed frames (401), motors (402), threaded shafts (403) and moving blocks (404), the fixed frames (401) are fixed at the top of the corresponding U-shaped frames (202), the motors (402) are fixed at one side of the fixed frames (401), the threaded shafts (403) are fixed at the output ends of the motors (402) and extend out of the fixed frames (401), and the other ends of the threaded shafts (403) are rotationally connected to the inner walls of the fixed frames (401); The moving blocks (404) are threadedly connected to the threaded shafts (403), the limiting blocks (5) are fixed at the top of the moving blocks (404), the limiting blocks (5) are slidably connected to the limiting grooves (6), and the limiting grooves (6) are horizontally arranged at the top of the fixed frames (401); The correction structure (3) comprises connecting plates (301), bearing plates (302), sliding blocks (303), sliding grooves (304), mounting plates (305), fixed plates (306), hydraulic cylinders (307) and pressing plates (308), the connecting plates (301) are fixed at one end of the bottom of the moving blocks (404), the connecting plates (301) are fixed at one end of the top of the bearing plates (302), and the mounting plates (305) are fixed at the top of the bottom plate (1) at both ends of the bottom of the bearing plates (302); The sliding grooves (304) are horizontally arranged at the top of the mounting plates (305), a plurality of groups of sliding blocks (303) are slidably connected to the sliding grooves (304), the sliding blocks (303) are fixed at the bottom of the bearing plates (302), and the bearing plates (302) are on the same horizontal line as the bottom of the U-shaped frames (202); The fixed plates (306) are fixed on the side walls of the connecting plates (301) at the top of the bearing plates (302), the hydraulic cylinders (307) are fixed on the fixed plates (306), and the pressing plates (308) are fixed at the bottom of the hydraulic cylinders (307).

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