Plasma large-diameter circular seam inner side protection tool

Abstract

The utility model discloses a plasma large-diameter circular seam inner side protection tool which comprises a bottom plate and a protection cover, fixing angle steel is arranged at the upper end of the bottom plate, a threaded hole A is formed in the fixing angle steel, a fixing pipe is arranged at the bottom of the protection cover, a threaded hole B is formed in the fixing pipe, and a fixing screw is installed between the fixing angle steel. Universal wheels and driving wheels are installed at the bottom of the bottom plate, a rotating wheel is installed on the outer wall of the protection cover, a connecting shaft is installed between the driving wheels, a driving motor is installed in the bottom plate, one end of the driving motor is connected with a driving gear, and one end of the driving gear is connected with a driven gear. And the four wheels are welded on the protective cover, so that the protective cover can smoothly rotate along with the rotation of the cylinder body, and the back protection of the welding seam can be realized without manual work as long as the protective cover is fixed at a proper position before welding. And the protection effect is good, and the labor cost is greatly saved.

Description

Technical Field

[0001] The utility model relates to the field of welding protection equipment, in particular to a plasma large-diameter annular seam inner side protection tooling. Background Art

[0002] When plasma welding equipment is used to weld large diameter annular seams, due to the large diameter of the cylinder, the manual lifting of the protective cover cannot meet the long-term, high-intensity weld protection work. At this time, it is necessary to make a tooling and install the protective cover on the tooling to reduce its labor intensity.

[0003] In view of this, research and improvement are carried out on the existing problems, and a plasma large-diameter annular seam inner side protection tooling is provided, which has a reasonable structural design. This scheme is to install the protective cover on the bracket and weld 4 wheels on the protective cover so that the protective cover can rotate smoothly with the rotation of the cylinder. It only needs to fix the protective cover in the appropriate position before welding, and the back side of the weld can be protected without manual work. The purpose is to solve the problem and improve the practical value through this technology. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a plasma large-diameter annular seam inner side protection tool.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a plasma large-diameter annular seam inner side protection tooling, including a base plate and a protective cover, the upper end of the base plate is provided with a fixed angle steel, the interior of the fixed angle steel is provided with a threaded hole A, the bottom of the protective cover is provided with a fixed tube, the interior of the fixed tube is provided with a threaded hole B, fixing screws are installed between the fixed angle steels, a universal wheel and a driving wheel are installed at the bottom of the base plate, a rotating wheel is installed on the outer wall of the protective cover, a connecting shaft is installed between the driving wheels, a driving motor is installed inside the base plate, one end of the driving motor is connected to a driving gear, and one end of the driving gear is connected to a driven gear.

[0006] As a further description of the above technical solution:

[0007] The fixed angle steel is fixedly installed on the upper end of the bottom plate, the number of the fixed angle steels is two, the fixed pipe is movably connected between the fixed angle steels, and the size of the fixed pipe is smaller than the size of the fixed angle steels.

[0008] As a further description of the above technical solution:

[0009] The fixed tube is detachably mounted on the bottom of the protective cover through a fixed pin. The size of the protective cover is larger than that of the fixed tube. The rotating wheels are rotatably connected to the outer wall of the protective cover. The number of the rotating wheels is several.

[0010] As a further description of the above technical solution:

[0011] The threaded hole A is opened inside the fixed angle steel, the threaded hole B is opened inside the fixed pipe, the fixing screw is threadedly connected between the threaded hole A and the threaded hole B, and the number of the threaded holes A is several.

[0012] As a further description of the above technical solution:

[0013] The universal wheel is rotatably connected to the bottom of the base plate, the number of the universal wheels is two, the driving wheel is rotatably connected to the bottom of the base plate, and the connecting shaft is fixedly connected between the driving wheels.

[0014] As a further description of the above technical solution:

[0015] The driving motor is fixedly installed inside the bottom plate, the driving gear is transmission-connected to the top of the driving motor, the driving gear is meshingly connected with the driven gear, and the driven gear is fixedly installed on the outside of the connecting shaft.

[0016] The utility model has the following beneficial effects:

[0017] In the utility model, the design of the plasma large-diameter annular seam inner side protection tooling is unique, which effectively solves the problem of damage to the inner side of the annular seam during plasma cutting, and improves production efficiency and product quality. Secondly, the tooling has a simple structure and is easy to operate. It can be quickly installed and disassembled, saving manpower and time costs. In addition, the design of the tooling also takes environmental protection and safety factors into consideration, which can effectively reduce the smoke and harmful gases generated during plasma cutting, and protect the health of operators and the environment.

[0018] This solution is to install the protective cover on the bracket and weld 4 wheels on the protective cover so that the protective cover can rotate smoothly with the rotation of the cylinder. It only needs to fix the protective cover in the appropriate position before welding, and the back side of the weld can be protected without manual labor. The protection effect is good, which greatly saves labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a plasma large-diameter annular seam inner side protection tooling proposed by the utility model;

[0020] Figure 2 This is a schematic structural diagram of a protective cover for the inner side of a plasma large-diameter annular seam provided by the utility model;

[0021] Figure 3 The utility model is a schematic diagram of the interior of a bottom plate of a plasma large-diameter annular seam inner side protection tooling.

[0022] Legend:

[0023] 1. Base plate; 2. Fixed angle steel; 3. Fixed pipe; 4. Protective cover; 5. Universal wheel; 6. Driving wheel; 7. Threaded hole A; 8. Threaded hole B; 9. Fixing screw; 10. Fixing pin; 11. Rotating wheel; 12. Connecting shaft; 13. Driving motor; 14. Driving gear; 15. Driven gear. DETAILED DESCRIPTION

[0024] 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 in 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.

[0025] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present utility model; the terms "first", "second" and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected" 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 mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0026] Reference Figure 1-3The utility model provides an embodiment: a plasma large-diameter annular seam inner side protection tooling, comprising a base plate 1 and a protective cover 4, a fixed angle steel 2 is provided at the upper end of the base plate 1, a threaded hole A7 is provided inside the fixed angle steel 2, a fixed tube 3 is provided at the bottom of the protective cover 4, a threaded hole B8 is provided inside the fixed tube 3, fixing screws 9 are installed between the fixed angle steels 2, a universal wheel 5 and a driving wheel 6 are installed at the bottom of the base plate 1, a rotating wheel 11 is installed on the outer wall of the protective cover 4, a connecting shaft 12 is installed between the driving wheels 6, a driving motor 13 is installed inside the base plate 1, one end of the driving motor 13 is connected to a driving gear 14, and one end of the driving gear 14 is connected to a driven gear 15.

[0027] In the utility model, the fixed angle steel 2 is fixedly mounted on the upper end of the bottom plate 1, the number of the fixed angle steels 2 is two, the fixed pipe 3 is movably connected between the fixed angle steels 2, the size of the fixed pipe 3 is smaller than the size of the fixed angle steel 2, and the fixed angle steel 2 is fixedly mounted on the upper end of the bottom plate 1 by welding, so that the fixed angle steel 2 can stably support and fix the bottom plate 1. The fixed pipe 3 is movably connected between the fixed angle steels 2 in a detachable manner, which makes the fixed pipe 3 easy to install and disassemble, and can also adapt to different usage requirements.

[0028] Through this design, the device not only has high stability and balance, but also can be easily installed and disassembled, and can adapt to different usage requirements.

[0029] Furthermore, the fixed tube 3 is detachably mounted on the bottom of the protective cover 4 via a fixed pin 10, the size of the protective cover 4 is larger than that of the fixed tube 3, the rotating wheel 11 is rotatably connected to the outer wall of the protective cover 4, and the number of the rotating wheels 11 is several.

[0030] Furthermore, the threaded hole A7 is opened inside the fixed angle steel 2, the threaded hole B8 is opened inside the fixed tube 3, the fixing screw 9 is threadedly connected between the threaded hole A7 and the threaded hole B8, the number of the threaded holes A7 is several, and the several threaded holes A7 are evenly distributed inside the fixed angle steel 2, so that the fixing screw 9 can be evenly stressed, thereby improving the stability of the fixed structure.

[0031] At the same time, the number of the threaded holes B8 corresponds to the threaded holes A7, ensuring that the fixing screws 9 can accurately connect the fixing angle steel 2 and the fixing pipe 3.

[0032] Furthermore, the universal wheel 5 is rotatably connected to the bottom of the base plate 1, the number of the universal wheels 5 is two, the driving wheel 6 is rotatably connected to the bottom of the base plate 1, the connecting shaft 12 is fixedly connected between the driving wheels 6, the universal wheel 5 and the driving wheel 6 are both pneumatic wheels, the pneumatic wheels have elasticity and shock absorption performance, and can maintain good stability on uneven ground. At the same time, the rotation of the universal wheel 5 can ensure that the base plate 1 can flexibly turn during movement to adapt to different terrains and directions.

[0033] The connection shaft 12 is fixedly connected between the driving wheels 6, so that the driving wheels 6 can work together to ensure that the base plate 1 has good dynamic performance and stability during driving.

[0034] Furthermore, the driving motor 13 is fixedly installed inside the base plate 1, the driving gear 14 is transmission-connected to the top of the driving motor 13, the driving gear 14 is meshingly connected with the driven gear 15, and the driven gear 15 is fixedly installed on the outside of the connecting shaft 12. Through the rotation of the driving motor 13, the driving gear 14 is transmitted, so that the driven gear 15 rotates, thereby driving the rotation of the connecting shaft 12.

[0035] Working principle and usage process:

[0036] During the plasma large-diameter annular seam treatment process, the tool fixes the bottom plate 1 to the ground through the fixed angle steel 2. The protective cover 4 is installed on the bottom plate 1 through the fixed pipe 3 and fixed by the fixing screw 9. The setting of the universal wheel 5 and the driving wheel 6 allows the bottom plate 1 to be flexibly moved and positioned. The rotating wheel 11 allows the protective cover 4 to rotate freely to adapt to the treatment of annular seams of different shapes.

[0037] This tooling not only improves the efficiency and safety of plasma processing, but also reduces the labor intensity of operators, providing a new solution for the processing of large-diameter annular seams by plasma.

[0038] This solution requires installing a detachable long tube on the protective cover, and welding screws and nuts on the long tube for easy replacement. At the same time, in order to enable the drag cover to rotate with the rotation of the cylinder, this solution will weld 2 sets of rotating wheels on the protective cover to ensure its smooth rotation.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A plasma large-diameter annular gap inner side protection tool, comprising a bottom plate (1) and a protective cover (4), characterized in that: A fixed angle steel (2) is arranged at the upper end of the base plate (1), a threaded hole A (7) is arranged inside the fixed angle steel (2), a fixed tube (3) is arranged at the bottom of the protective cover (4), a threaded hole B (8) is arranged inside the fixed tube (3), fixing screws (9) are installed between the fixed angle steels (2), a universal wheel (5) and a driving wheel (6) are installed at the bottom of the base plate (1), a rotating wheel (11) is installed on the outer wall of the protective cover (4), a connecting shaft (12) is installed between the driving wheels (6), a driving motor (13) is installed inside the base plate (1), one end of the driving motor (13) is connected to a driving gear (14), and one end of the driving gear (14) is connected to a driven gear (15).

2. The plasma large-diameter annular seam inner side protection tooling according to claim 1 is characterized by: The fixed angle steel (2) is fixedly mounted on the upper end of the base plate (1), the number of the fixed angle steels (2) is two, the fixed pipe (3) is movably connected between the fixed angle steels (2), and the size of the fixed pipe (3) is smaller than the size of the fixed angle steel (2).

3. The plasma large-diameter annular seam inner side protection tooling according to claim 1 is characterized in that: The fixed tube (3) is detachably mounted on the bottom of the protective cover (4) via a fixed pin (10); the size of the protective cover (4) is larger than the size of the fixed tube (3); the rotating wheel (11) is rotatably connected to the outer wall of the protective cover (4); and the number of the rotating wheels (11) is a plurality.

4. The plasma large diameter annular seam inner side protection tooling according to claim 1 is characterized in that: The threaded hole A (7) is formed inside the fixing angle steel (2), the threaded hole B (8) is formed inside the fixing tube (3), the fixing screw (9) is threadedly connected between the threaded hole A (7) and the threaded hole B (8), and the number of the threaded holes A (7) is multiple.

5. The plasma large-diameter annular gap inner side protection tooling according to claim 1, characterized in that: The universal wheel (5) is rotatably connected to the bottom of the base plate (1), the number of the universal wheels (5) is two, the driving wheel (6) is rotatably connected to the bottom of the base plate (1), and the connecting shaft (12) is fixedly connected between the driving wheels (6).

6. The plasma large diameter annular seam inner side protection tooling according to claim 1, characterized in that: The driving motor (13) is fixedly mounted inside the bottom plate (1), the driving gear (14) is drivingly connected to the top of the driving motor (13), the driving gear (14) is meshingly connected to the driven gear (15), and the driven gear (15) is fixedly mounted on the outside of the connecting shaft (12).

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