Automatic welding positioning device for traction transformer oil tank

Abstract

The utility model discloses an automatic welding positioning device for a traction transformer oil tank, which relates to the technical field of transformer oil tank processing and comprises a frame bottom plate, a plurality of pressing plate assemblies are symmetrically arranged on the frame bottom plate, and a plurality of first positioning mechanisms are arranged on the upper portion of the frame bottom plate in the transverse direction. A plurality of second positioning mechanisms are arranged on the upper portion of the frame bottom plate in the longitudinal direction. A plurality of first limiting devices are arranged on the upper portion of the frame bottom plate in the transverse direction, and the first limiting devices and the first positioning mechanisms are arranged in a one-to-one correspondence mode. A plurality of second limiting devices are arranged on the upper portion of the frame bottom plate in the longitudinal direction, and the second limiting devices and the second positioning mechanisms are arranged in a one-to-one correspondence mode; and a plurality of reference adjusting devices are further symmetrically arranged on the two sides of the upper portion of the frame bottom plate, the consistency in the oil tank assembling process and the stability in the overturning process can be guaranteed, the stability in the clamping, positioning and overturning processes in the oil tank welding process is improved, and safety is high.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer oil tank processing, in particular to an automatic welding positioning device for a traction transformer oil tank. Background Art

[0002] The traction transformer oil tank is an important component of locomotives. The oil tank is composed of medium and thick plates and is a typical box structure with a complex structure. The welding workload of the oil tank is large, there are many welding positions, and the weld quality requirements are high. Therefore, it is often necessary to manually design welding tooling to fix it for easy clamping and welding.

[0003] The existing simple welding tooling used by manual labor is often insufficient in strength, and the clamping positioning and flipping processes during the tank welding process are not stable enough, and the safety is not high. Utility Model Content

[0004] The purpose of the utility model is to provide an automatic welding positioning device for a traction transformer oil tank, so as to solve at least one aspect of the problems and defects raised in the above-mentioned background technology.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] An automatic welding positioning device for a traction transformer oil tank comprises a frame bottom plate, a plurality of pressure plate assemblies are symmetrically arranged on the frame bottom plate, a plurality of first positioning mechanisms are arranged in a transverse direction on the upper portion of the frame bottom plate, and a plurality of second positioning mechanisms are arranged in a longitudinal direction on the upper portion of the frame bottom plate;

[0007] A plurality of first limiting devices are arranged on the upper portion of the frame bottom plate along the transverse direction, and the plurality of first limiting devices are arranged correspondingly to the plurality of first positioning mechanisms;

[0008] A plurality of second limiting devices are arranged on the upper portion of the frame bottom plate along the longitudinal direction, and the plurality of second limiting devices are arranged in one-to-one correspondence with the plurality of second positioning mechanisms;

[0009] A plurality of reference adjustment devices are symmetrically arranged on both sides of the upper portion of the frame bottom plate.

[0010] As a further solution of the utility model: the frame bottom plate is provided with lifting ears around it.

[0011] As a further solution of the utility model: the pressure plate assembly includes a pressure plate seat, the pressure plate seat is movably connected with a fastening bolt, and the fastening bolt is fixedly connected with a fixed pressure plate.

[0012] As a further solution of the utility model: the first positioning mechanism includes a first support seat, the first support seat is arranged on the frame bottom plate, and a first limit stop block is arranged on the first support seat.

[0013] As a further solution of the utility model: the second positioning mechanism includes a second support seat, the second support seat is arranged on the frame bottom plate, and a second limit stop block is arranged on the second support seat.

[0014] As a further solution of the utility model: the first limiting device includes a first limiting seat, the first limiting seat is arranged on the frame bottom plate, and the first limiting seat is rotatably connected to a first hexagonal screw.

[0015] As a further solution of the utility model: the second limiting device includes a second limiting seat, the second limiting seat is arranged on the frame bottom plate, and the second limiting seat is rotatably connected to a second hexagonal screw.

[0016] As a further solution of the utility model: the reference adjustment device includes a mounting plate body, the mounting plate body is fixedly connected to both sides of the upper part of the frame bottom plate, and a fixed pad is arranged on the mounting plate body.

[0017] As a further solution of the utility model: positioning pins are arranged around the upper part of the frame bottom plate.

[0018] Beneficial effects of the utility model:

[0019] Lift the fuel tank into the frame bottom plate, check that the mounting surfaces on both sides of the bottom of the fuel tank are in contact with the reference adjustment device, use the first limit device and the first positioning mechanism to limit and tighten the side walls on both sides of the fuel tank in the transverse direction, and use the first limit device and the second positioning mechanism to limit and tighten the side walls on both sides of the fuel tank in the longitudinal direction, until the bottom outer walls around the fuel tank are limited and tightened. In addition, the outer walls on both sides of the fuel tank are fitted on the positioning mechanism to prevent the positioning reference of the fuel tank from being different each time. Then the staff uses the pressure plate assembly to clamp the bottom outer walls on both sides respectively, clamp and limit the entire fuel tank, ensure the consistency of the fuel tank assembly process and the stability during the flipping process, further improve the safety during the handling and placement process, and improve the stability of the clamping positioning and flipping process during the welding of the fuel tank, with high safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model is further described below in conjunction with the accompanying drawings.

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 yes Figure 1 A schematic diagram of the enlarged structure of the middle A area;

[0023] Figure 3 It is a schematic diagram of the exploded structure of the pressure plate assembly provided in the utility model;

[0024] Figure 4 It is a schematic diagram of the structure of the first limiting device provided in the utility model.

[0025] In the figure: 1. frame base plate; 2. pressure plate assembly; 21. pressure plate seat; 22. fastening bolts; 23. fixed pressure plate; 3. first positioning mechanism; 31. first support seat; 32. first limit block; 4. second positioning mechanism; 41. second support seat; 42. second limit block; 5. first limit device; 51. first limit seat; 52. first hexagonal screw; 6. second limit device; 61. second limit seat; 62. second hexagonal screw; 7. reference adjustment device; 71. mounting plate; 72. fixed pad; 8. lifting ear; 9. positioning pin. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-4 As shown, the utility model is an automatic welding positioning device for a traction transformer oil tank, comprising a frame bottom plate 1, on which a plurality of pressure plate assemblies 2 are symmetrically arranged, a plurality of first positioning mechanisms 3 are arranged on the upper part of the frame bottom plate 1 along the transverse direction (the transverse direction is the length direction of the frame bottom plate 1), and a plurality of second positioning mechanisms 4 are arranged on the upper part of the frame bottom plate 1 along the longitudinal direction (the longitudinal direction is the width direction of the frame bottom plate 1);

[0028] A plurality of first limiting devices 5 are arranged on the upper part of the frame bottom plate 1 along the transverse direction. The plurality of first limiting devices 5 are arranged in one-to-one correspondence with the plurality of first positioning mechanisms 3. The first limiting devices 5 and the first positioning mechanisms 3 are symmetrically arranged on the frame bottom plate 1.

[0029] A plurality of second limiting devices 6 are arranged along the longitudinal direction on the upper part of the frame bottom plate 1. The plurality of second limiting devices 6 are arranged in one-to-one correspondence with the plurality of second positioning mechanisms 4. The second limiting devices 6 and the second positioning mechanisms 4 are symmetrically arranged on the frame bottom plate 1.

[0030] A plurality of reference adjustment devices 7 are symmetrically arranged on both sides of the upper part of the frame bottom plate 1;

[0031] During use, the staff inserts a telescopic support rod (not shown in the figure) into the inner cavity of the oil tank to control the deformation and dimensional shrinkage during the welding process, and adjusts the specific length of the telescopic support rod to control it within the specified size range by measuring the product size data, and then hoists the entire oil tank into the frame bottom plate 1, checks the contact between the bottom mounting surface of the oil tank and the upper surface of the reference adjustment device 7, and ensures that the bottom mounting surface of the oil tank fits the upper surface of the reference adjustment device 7. The gap can be adjusted in height according to the reference adjustment device 7 to ensure the fit between the product and the tooling. In addition, the first limiting device 5 is used to tighten one outer wall in the transverse direction of the oil tank until the other outer wall in the transverse direction of the oil tank is close to the first positioning mechanism 3, so as to limit and tighten the outer walls on both sides of the transverse direction of the oil tank;

[0032] The second limiting device 6 is used to tighten an outer wall of the oil tank in the longitudinal direction until the outer wall of the oil tank in the longitudinal direction and the second positioning mechanism 4 are close to the second positioning mechanism 4, so as to limit and tighten the outer walls on both sides of the longitudinal direction of the oil tank until the outer walls around the oil tank are limited and tightened, and the pressure plate assembly 2 is used to clamp the outer walls on both sides of the transverse direction of the oil tank respectively, and clamp and limit the entire oil tank, so as to ensure the consistency of the oil tank assembly process and the stability during the flipping process, further improve the safety during the transportation and placement process, and improve the stability of the clamping positioning and flipping process during the welding of the oil tank, with high safety.

[0033] In one embodiment, see Figure 1 and Figure 2 As shown, the frame bottom plate 1 is provided with lifting ears 8 around it, and the lifting ears 8 are used for lifting the entire frame bottom plate 1.

[0034] In one embodiment, see Figure 1 , Figure 2 and Figure 3 As shown, the pressure plate assembly 2 includes a pressure plate seat 21, on which a fastening bolt 22 is movably connected, and a fixed pressure plate 23 is fixedly connected to the fastening bolt 22. By rotating the fastening bolt 22, the entire pressure plate seat 21 is driven to move down a certain distance to press the outer walls on both sides of the bottom of the oil tank for position fixing, thereby further preventing the oil tank from loosening during welding and flipping processes.

[0035] In one embodiment, see Figure 1 and Figure 2 As shown, the first positioning mechanism 3 includes a first support seat 31, which is arranged on the frame base plate 1. A first limit block 32 is arranged on the first support seat 31. The first support seat 31 is placed in the transverse direction of the frame base plate 1 and is symmetrically arranged one by one with the first limit device 5.

[0036] In one embodiment, see Figure 1 and Figure 2As shown, the second positioning mechanism 4 includes a second support seat 41, which is arranged on the frame base plate 1. A second limit block 42 is arranged on the second support seat 41. The second support seat 41 is placed in the longitudinal direction of the frame base plate 1 and is symmetrically arranged one by one with the second limit device 6.

[0037] In one embodiment, see Figure 1 , Figure 2 and Figure 4 As shown, the first limit device 5 includes a first limit seat 51, and the first limit seat 51 is arranged on the frame bottom plate 1. The first limit seat 51 is rotatably connected to the first hexagonal screw 52. Rotating the first hexagonal screw 52 drives the first hexagonal screw 52 to press against one side outer wall of the oil tank in the transverse direction until the other side outer wall of the oil tank in the transverse direction is close to the first limit block 32 in the first positioning mechanism 3 to realize the limit fixation of the oil tank in the transverse direction.

[0038] In one embodiment, see Figure 1 and Figure 2 As shown, the second limiting device 6 includes a second limiting seat 61, and the second limiting seat 61 is arranged on the frame bottom plate 1. The second limiting seat 61 is rotatably connected to the second hexagonal screw 62. Rotating the second hexagonal screw 62 drives the second hexagonal screw 62 to press against one side outer wall in the longitudinal direction of the oil tank until the other side outer wall in the longitudinal direction of the oil tank is close to the second limiting block 42 in the second positioning mechanism 4 to realize the limiting fixation in the longitudinal direction of the oil tank.

[0039] In one embodiment, see Figure 1 and Figure 2 As shown, the reference adjustment device 7 includes a mounting plate body 71, which is fixedly connected to both sides of the upper part of the frame bottom plate 1. A fixed pad 72 is provided on the mounting plate body 71. During the placement process, the mounting surface of the bottom of the oil tank fits with the surface of the fixed pad 72 in the reference adjustment device 7.

[0040] In one embodiment, see Figure 1 and Figure 2 As shown, positioning pins 9 are arranged around the upper part of the frame bottom plate 1. The positioning pins 9 can make the frame bottom plate 1 and the welding platform (not shown in the figure) be tightly combined during the installation process, thereby enhancing its positioning accuracy and strength and ensuring the consistency and stability of the assembly.

[0041] In the description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, and a specific direction structure and operation, and therefore, cannot be understood as a limitation on the present utility model. In addition, "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0042] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. An automatic welding positioning device for a traction transformer oil tank, comprising a frame bottom plate (1), characterized in that: A plurality of pressure plate assemblies (2) are symmetrically arranged on the frame bottom plate (1), a plurality of first positioning mechanisms (3) are arranged on the upper part of the frame bottom plate (1) along the transverse direction, and a plurality of second positioning mechanisms (4) are arranged on the upper part of the frame bottom plate (1) along the longitudinal direction; A plurality of first limiting devices (5) are arranged on the upper part of the frame bottom plate (1) along the transverse direction, and the plurality of first limiting devices (5) are arranged in a one-to-one correspondence with the plurality of first positioning mechanisms (3); A plurality of second limiting devices (6) are arranged on the upper part of the frame bottom plate (1) along the longitudinal direction, and the plurality of second limiting devices (6) are arranged in a one-to-one correspondence with the plurality of second positioning mechanisms (4); A plurality of reference adjustment devices (7) are symmetrically arranged on both sides of the upper part of the frame bottom plate (1).

2. The automatic welding positioning device for a traction transformer oil tank according to claim 1 is characterized in that: The frame bottom plate (1) is provided with lifting ears (8) around its periphery.

3. The automatic welding positioning device for a traction transformer oil tank according to claim 1 is characterized in that: The pressure plate assembly (2) comprises a pressure plate seat (21), a fastening bolt (22) is movably connected to the pressure plate seat (21), and a fixed pressure plate (23) is fixedly connected to the fastening bolt (22).

4. The automatic welding positioning device for a traction transformer oil tank according to claim 1 is characterized in that: The first positioning mechanism (3) comprises a first support seat (31), the first support seat (31) is arranged on the frame bottom plate (1), and a first limit stopper (32) is arranged on the first support seat (31).

5. The automatic welding positioning device for a traction transformer oil tank according to claim 1 is characterized in that: The second positioning mechanism (4) comprises a second support seat (41), the second support seat (41) is arranged on the frame bottom plate (1), and a second limit stopper (42) is arranged on the second support seat (41).

6. The automatic welding positioning device for a traction transformer oil tank according to claim 1 is characterized in that: The first limiting device (5) comprises a first limiting seat (51), the first limiting seat (51) is arranged on the frame bottom plate (1), and a first hexagonal screw (52) is rotatably connected to the first limiting seat (51).

7. The automatic welding positioning device for a traction transformer oil tank according to claim 1 is characterized in that: The second limiting device (6) comprises a second limiting seat (61), the second limiting seat (61) is arranged on the frame bottom plate (1), and a second hexagonal screw (62) is rotatably connected to the second limiting seat (61).

8. The automatic welding positioning device for a traction transformer oil tank according to claim 1 is characterized in that: The reference adjustment device (7) comprises a mounting plate (71), wherein the mounting plate (71) is fixedly connected to both sides of the upper part of the frame bottom plate (1), and a fixed pad (72) is arranged on the mounting plate (71).

9. The automatic welding positioning device for a traction transformer oil tank according to claim 1 is characterized in that: Positioning pins (9) are arranged around the upper part of the frame bottom plate (1).

Images