Welding seam surplus height smoothing auxiliary tool

Abstract

The utility model discloses an auxiliary tool for grinding the excess weld metal of a welding seam, which is used for assisting a grinding machine in grinding the welding seam of a welding base material. Comprising a movable adjusting platform and a stabilizing mechanism; the grinding machine is mounted on the movable adjusting platform; the movable adjusting platform is used for moving and adjusting the grinding machine, so that the bottom of a grinding piece of the grinding machine is parallel to the outer tangent line of the weld joint. The stabilizing mechanism is connected with the movable adjusting platform and the welding base metal, and the movable adjusting platform is kept on the surface of the welding base metal through the stabilizing mechanism so that the movable adjusting platform can move along the surface of the welding base metal. The angle of the grinding piece of the grinding machine is adjusted through the movable adjusting platform, movable grinding is achieved, the grinding machine is kept stable through the stabilizing mechanism, and therefore the grinding precision and the flat and smooth effect of the grinding face are guaranteed, welding base metal is not prone to being damaged, and follow-up nondestructive testing and anti-corrosion work of welding seams are facilitated; and operation is easy, time and labor are saved, the requirement for operating skills of operators is lowered, and the grinding efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding technical field especially relates to a welding seam excess height grinding auxiliary tool. BACKGROUND

[0002] In the welding process, the welding seam excess height is a common phenomenon in the welding process, and the welding process is piled up by a welding rod bit by bit, after the welding is completed, the height of the welding seam will exceed the surface of the base material, however, the welding seam excess height has important influence on the performance and appearance of the welded structure. The welding quality is the most important link in the whole project, and the control of the welding seam excess height is one of the important links for guaranteeing the welding quality, and the welding quality is also the most difficult to control in the actual project, and the welding seam excess height exceeds the range in the case of manual welding is a common phenomenon, and in most cases, it will exceed the specified value several times. The welding seam excess height is too high, which will cause stress concentration phenomenon, seriously affect the corrosion protection work of the weld, and also seriously affect the nondestructive testing of the weld, especially on the pipe weld, the highlighted problem is particularly obvious.

[0003] In the welding process, the welding seam is allowed to be polished, and in engineering application, a handheld angle grinder is often used by workers. In the polishing process, one hand holds the handle and the other hand supports the tail of the polisher to polish the welding seam excess height, which requires high polishing skill of the polishing worker, and long-term maintaining a stable posture in the process is a great test to the human body. This operation mode not only has great labor intensity, but also is difficult to guarantee the polishing efficiency and precision, and in the actual construction process, it is found that there are many unevenly polished welding seams, and the transition is not smooth, and the base material is damaged in the polishing process, which is difficult to meet the engineering demand.

[0004] Furthermore, weld reinforcement significantly impacts nondestructive testing of welds. Under the current national green environmental protection policies, the use of traditional gamma-ray testing methods has declined significantly due to stringent storage and transportation requirements for radiation sources and the generation of radiation source waste. With the recent maturity of phased array nondestructive testing technology, it has gradually replaced other radiographic methods and become the primary NDT method. However, the greatest challenge with phased array testing lies in weld polishing, a prerequisite for accurate phased array testing. The energy industry standard NB / T 47013.15-2021, Part 15: Phased Array Ultrasonic Testing, categorizes testing technology into A, B, and C levels, with increasingly stringent requirements from A to C. Level B is recommended for testing weld joints during the manufacturing and installation phases, while Level C can be used for weld joints on critical equipment. Both Levels B and C require smoothing of weld reinforcement, and the phased array beam should fully cover the test area at least twice during testing. Conventional operation requires two circumferential scans with an encoder, as well as a transverse scan. The biggest challenge in actual operation is uneven grinding of the weld excess height, which prevents accurate nondestructive scanning with a phased array probe, making it difficult to guarantee inspection quality in most cases. However, the currently common manual direct grinding method has a high failure rate and is inefficient, making it difficult to meet energy industry standards and the requirements of array nondestructive testing technology.

[0005] Therefore, it is particularly important to design a tooling that can effectively assist the grinder to efficiently grind the weld reinforcement, with a smooth grinding effect and not easy to damage the base material. Utility Model Content

[0006] The purpose of this utility model is to provide a weld excess height grinding auxiliary tool to solve the problems raised in the above background technology. To achieve the above purpose, this utility model provides the following technical solutions:

[0007] A weld excess height grinding auxiliary tooling is used to assist a grinder in grinding the weld of a welding base material; it comprises a movable adjustment platform and a stabilizing mechanism; the grinder is mounted on the movable adjustment platform; the movable adjustment platform is used to move and adjust the grinder so that the bottom of the grinding disc of the grinder is parallel to the external tangent line of the weld; the stabilizing mechanism is connected to the movable adjustment platform and the welding base material, and the movable adjustment platform is maintained on the surface of the welding base material by the stabilizing mechanism, so that the movable adjustment platform moves along the surface of the welding base material.

[0008] Furthermore, the movable adjustment platform includes a supporting mechanism and an installation mechanism for installing a grinder; the supporting mechanism includes a base and a lifting assembly arranged on the base; a first roller is provided at the bottom of the base, and a second roller is provided at the bottom of the installation mechanism, and one side of the installation mechanism is connected to the lifting assembly.

[0009] Furthermore, the lifting assembly includes a support frame and an adjusting screw, the adjusting screw is arranged on the support frame and can rotate relative to the support frame; a threaded hole is provided on the mounting mechanism, and the adjusting screw is threadedly engaged with the threaded hole.

[0010] Furthermore, the support frame is provided with a guide groove, and the mounting mechanism is provided with a guide member, and the guide member is slidably connected to the guide groove.

[0011] Furthermore, the base includes a first wheel bridge and a second wheel bridge, and the first rollers are distributed at the bottom of the first wheel bridge and the bottom of the second wheel bridge; the support frame is fixedly connected to the first wheel bridge and the second wheel bridge.

[0012] Furthermore, the first roller is configured as a universal wheel.

[0013] Furthermore, a folding mechanism is provided on the mounting mechanism, the second roller is provided at one end of the folding mechanism, and the other end of the folding mechanism is connected to the mounting mechanism.

[0014] Furthermore, the stabilizing mechanism includes a connecting assembly, a chain and a roller assembly; the connecting assembly is fixedly connected to the movable adjustment platform; the chain is arranged around the welding base material, and the two ends of the chain are respectively connected to the connecting assembly; the roller assembly is installed on the inner side of the chain so that the stabilizing mechanism can rotate along the surface of the welding base material.

[0015] Furthermore, the connecting assembly includes a fixed part, a rotating part and an elastic part; the fixed part is fixedly connected to the movable adjustment platform; one end of the rotating part is rotatably connected to the fixed part, and the other end is connected to the movable adjustment platform through the elastic part.

[0016] Furthermore, the fixed member and the rotating member are respectively provided with a draw hook, and both ends of the chain are respectively hung on the hooks of the fixed member and the rotating member.

[0017] The beneficial effects of the utility model are as follows: the utility model adjusts the angle of the grinding disc of the grinder and realizes mobile grinding through the mobile adjustment platform, and keeps the grinder stable through the stabilizing mechanism, thereby ensuring the grinding accuracy and the flatness and smoothness of the grinding surface, and is not easy to damage the welding base material, which is beneficial to the subsequent non-destructive testing and anti-corrosion work of the weld; and the operation is simple, time-saving and labor-saving, reduces the operating skill requirements for the operator, and improves the grinding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 It is a side view of the present utility model.

[0020] Figure 2 It is a cross-sectional view of the present invention.

[0021] Figure 3 It is a schematic diagram of the three-dimensional structure of the utility model.

[0022] Figure 4 It is a side view of the movable adjustment platform and the grinder of the present utility model.

[0023] Figure 5 It is a schematic diagram of the three-dimensional structure of the movable adjustment platform and the grinder of the present utility model.

[0024] It should be noted that the drawings are not necessarily drawn to scale, but are merely shown in a schematic manner that does not affect the reader's understanding. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] In this utility model, terms such as "upper," "lower," "left," "right," "front," "back," "top," "bottom," "inner," "outer," "center," "vertical," "horizontal," "transverse," and "longitudinal" indicate positions or locations based on the positions or locations shown in the accompanying drawings. These terms are primarily intended to better describe the utility model and its embodiments and are not intended to limit the devices, elements, or components indicated to having a specific orientation, or to being constructed or operated in a specific orientation.

[0027] Furthermore, some of the above terms may be used to express other meanings besides indicating a position or location. For example, the term "on" may also be used to indicate a dependency or connection in certain circumstances. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0028] Furthermore, the terms "installed," "disposed," "provided with," "connected," and "connected" should be interpreted broadly. For example, they can refer to fixed connections, removable connections, or integral structures; mechanical connections or electrical connections; direct connections, indirect connections through an intermediary, or internal communication between two devices, elements, or components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0029] Furthermore, the terms "first," "second," etc., are primarily used to distinguish between different devices, elements, or components (which may or may not be of the same type and configuration), and are not intended to indicate or imply the relative importance or quantity of the devices, elements, or components indicated. Unless otherwise specified, "plurality" means two or more.

[0030] It should also be understood that the terms used in this specification are only for the purpose of describing specific embodiments and are not intended to limit the present invention. As used in this specification and the appended claims, the singular forms "a", "an" and "the" are intended to include plural forms unless the context clearly indicates otherwise.

[0031] It should be further understood that the term “and / or” used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0032] like Figures 1 to 5As shown, an auxiliary tooling for grinding the excess height of a weld 21 is used to assist a grinder 1 in grinding the weld 21 of a welding base material 2; it includes a movable adjustment platform 3 and a stabilizing mechanism 4; the grinder 1 is installed on the movable adjustment platform 3; the movable adjustment platform 3 is used to move and adjust the grinder 1 so that the bottom of the grinding disc 11 of the grinder 1 is parallel to the tangent line of the weld 21; the stabilizing mechanism 4 is connected to the movable adjustment platform 3 and the welding base material 2, and the movable adjustment platform 3 is maintained on the surface of the welding base material 2 through the stabilizing mechanism 4, so that the movable adjustment platform 3 moves along the surface of the welding base material 2.

[0033] As an example, the auxiliary tooling for grinding the excess height of the weld 21 of this embodiment includes a movable adjustment platform 3 and a stabilizing mechanism 4. The grinder 1 is mounted on the movable adjustment platform 3, which is used to move and adjust the grinder 1: on the one hand, by adjusting the movable adjustment platform 3, the bottom of the grinding wheel 11 of the grinder 1 is made parallel to the outer tangent line of the weld 21, and the size of the contact surface between the grinding wheel 11 and the weld 21 is adjusted, thereby ensuring the grinding accuracy; on the other hand, by moving the grinder 1 through the movable adjustment platform 3, mobile grinding of the weld 21 is achieved, ensuring operational stability during the grinding process, and thus improving the grinding efficiency. At the same time, in order to ensure the grinding accuracy, especially the accuracy during the mobile grinding process, the stabilizing mechanism 4 is connected and fastened to the mobile adjustment platform 3 and the welding base material 2, and the mobile adjustment platform 3 is maintained on the surface of the welding base material 2 by the stabilizing mechanism 4, so that the mobile adjustment platform 3 moves along the surface of the welding base material 2 to prevent loosening or detachment, so that the angle, distance and contact surface between the grinding disc 11 and the weld 21 can be kept stable during the grinding and moving process of the grinder 1, thereby ensuring the grinding accuracy. The advantages of the weld 21 excess height grinding auxiliary tooling of this embodiment are: the angle of the grinding disc 11 of the grinder 1 is adjusted by the mobile adjustment platform 3 and mobile grinding is achieved, and the stabilizing mechanism 4 is used to keep the grinder 1 stable, thereby ensuring the grinding accuracy and the smoothness of the grinding surface, and not easily damaging the welding base material 2, which is beneficial to the subsequent non-destructive testing and anti-corrosion work of the weld 21; and the operation is simple, time-saving and labor-saving, reducing the operating skill requirements of the operator and improving the grinding efficiency.

[0034] In one embodiment, the movable adjustment platform 3 includes a supporting mechanism 31 and an installation mechanism 32 for installing the grinder 1; the supporting mechanism 31 includes a base 311 and a lifting assembly 312 arranged on the base 311; a first roller 313 is provided at the bottom of the base 311, and a second roller 321 is provided at the bottom of the installation mechanism 32, and one side of the installation mechanism 32 is connected to the lifting assembly 312.

[0035] As an example, see Figures 1 to 5The movable adjustment platform 3 of this embodiment includes a support mechanism 31 and a mounting mechanism 32 for mounting the grinder 1. The support mechanism 31 includes a base 311 and a lifting assembly 312 arranged on the base 311. A first roller 313 is provided at the bottom of the base 311, and a second roller 321 is provided on one side of the bottom of the mounting mechanism 32. The first roller 313 and the second roller 321 provide support for the movable adjustment platform 3 and achieve a moving effect. At the same time, in order to adjust the angle of the grinding disc 11 of the grinder 1, the side of the mounting mechanism 32 opposite to the second roller 321 is connected to the lifting assembly 312. The side of the grinder 1 used for grinding is located on the outside of the second roller 321. The height of one side of the mounting mechanism 32 is adjusted by the lifting assembly 312. The second roller 321, as the fulcrum of the grinder 1, also rolls along the surface of the base material 2 and cooperates with the adjustment of the position of the first roller 313 to change the angle between the grinding disc 11 and the weld 21. Specifically, since three points can determine the circumferential radius of an arc surface or a circular arc, the three points A (first roller), B (second roller) and C (grinding point of grinding sheet 11) are used to determine the circumferential radius of grinding; among them, point A and point B are in direct contact with the surface of the base material, and their accuracy can be guaranteed (accuracy is less than 0.1mm); and point C (grinding point of grinding sheet 11) determines the grinding depth of the grinder, and excessive grinding will not occur. By adjusting point A (first roller) and cooperating with the lifting component 312 to adjust point C (grinding point of grinding sheet 11), the circumferential radius after grinding can be adjusted, so that the roundness of the pipe girth weld excess height after grinding can be ≤0.3mm, and the flatness can be ≤0.3mm.

[0036] In one embodiment, the lifting assembly 312 includes a support frame 3121 and an adjusting screw 3122. The adjusting screw 3122 is set on the support frame 3121 and can rotate relative to the support frame 3121. A threaded hole is set on the mounting mechanism 32, and the adjusting screw 3122 is screwed into the threaded hole.

[0037] As an example, see Figures 2 to 5 The lifting assembly 312 of this embodiment specifically includes a support frame 3121 and an adjusting screw 3122. The adjusting screw 3122 is mounted on the support frame 3121 and is rotatable relative to the support frame 3121. The mounting mechanism 32 is provided with a threaded hole, into which the adjusting screw 3122 is threadedly engaged. By rotating the adjusting screw 3122, the height of the mounting mechanism 32 can be adjusted, thereby adjusting the angle of the grinding disc 11.

[0038] In one embodiment, the support frame 3121 is provided with a guide groove, and the mounting mechanism 32 is provided with a guide member 322 , which is slidably connected to the guide groove.

[0039] As an example, see Figure 4 and Figure 5In order to further improve the stability and precision of the adjustment, the support frame 3121 is provided with a guide groove, and the mounting mechanism 32 is provided with a guide piece 322 which is slidingly connected in the guide groove, so as to ensure that the mounting mechanism 32 can keep a stable moving track during the lifting process.

[0040] In an embodiment, the base 311 comprises a first wheel bridge 3111 and a second wheel bridge 3112, and the first rollers 313 are distributed and arranged at the bottom of the first wheel bridge 3111 and the bottom of the second wheel bridge 3112; the support frame 3121 is fixedly connected to the first wheel bridge 3111 and the second wheel bridge 3112.

[0041] As an example, referring to Figure 5 The specific structure of the base 311 comprises a first wheel bridge 3111 and a second wheel bridge 3112, and the first rollers 313 are distributed and arranged at the bottom of the first wheel bridge 3111 and the bottom of the second wheel bridge 3112, and the support frame 3121 is fixedly connected to the first wheel bridge 3111 and the second wheel bridge 3112; the support mechanism 31 is supported on the surface of the base material 2 and erected on both sides of the weld 21 through the first wheel bridge 3111 and the second wheel bridge 3112, and the stability and load-bearing capacity of the base 311 are improved through the support frame 3121, so that the grinder 1 can conveniently polish the weld 21, and the stability of the angle of the polishing piece 11 is avoided to be affected by the first rollers 313 pressing on the weld 21.

[0042] In an embodiment, the first rollers 313 are provided as universal wheels.

[0043] As an example, referring to Figures 1 to 5 In order to facilitate the movement of the movement adjustment platform 3, the first rollers 313 are provided as universal wheels in the embodiment, so that the moving direction of the movement adjustment platform 3 can be conveniently adjusted according to the direction of the weld 21.

[0044] In an embodiment, the mounting mechanism 32 is further provided with a folding mechanism 323, and the second rollers 321 are arranged at one end of the folding mechanism 323, and the other end of the folding mechanism 323 is connected to the mounting mechanism 32.

[0045] As an example, referring to Figure 2 and Figure 4 In order to facilitate the installation and disassembly of the polishing piece 11 on the grinder, the mounting mechanism 32 is further provided with a folding mechanism 323 in the embodiment, and the second rollers 321 are arranged at one end of the folding mechanism 323, and the other end of the folding mechanism 323 is connected to the mounting mechanism 32, so that the second rollers 321 can be conveniently folded or lowered, and operation space is provided for disassembling the polishing piece 11.

[0046] In an embodiment, the stabilizing mechanism 4 comprises a connecting assembly 41, a chain 42 and a roller assembly 43; the connecting assembly 41 is fixedly connected with the moving adjustment platform 3; the chain 42 is arranged around the welding base material 2, and two ends of the chain 42 are respectively connected with the connecting assembly 41; the roller assembly 43 is installed on the inner side of the chain 42, so that the stabilizing mechanism 4 can rotate along the surface of the welding base material 2.

[0047] As an example, referring to Figures 1 to 3 , the specific structure of the stabilizing mechanism 4 of the embodiment comprises the connecting assembly 41, the chain 42 and the roller assembly 43. The connecting assembly 41 is fixedly connected with the moving adjustment platform 3, the chain 42 is arranged around the welding base material 2, and two ends of the chain 42 are respectively connected with the connecting assembly 41, so that the stabilizing mechanism 4 can bind the moving adjustment platform 3 to the welding base material 2. The roller assembly 43 is installed on the inner side of the chain 42, so that the stabilizing mechanism 4 can rotate along the surface of the welding base material 2; for the annular weld 21 on the welding base material 2 in the shape of a circle, a cylinder or a pipe, the first roller 313, the second roller 321 and the roller assembly 43 are arranged, so that the stabilizing mechanism 4 and the moving adjustment platform 3 can be rotated to move the grinding machine 1 around the surface of the welding base material 2, grind the annular weld 21, and ensure that the grinding machine 1 can be stable during movement.

[0048] In an embodiment, the connecting assembly 41 comprises a fixing part 411, a rotating part 412 and an elastic part 413; the fixing part 411 is fixedly connected with the moving adjustment platform 3; one end of the rotating part 412 is rotationally connected with the fixing part 411, and the other end is connected with the moving adjustment platform 3 through the elastic part 413.

[0049] As an example, referring to Figure 2 , in order to reduce the vibration of the grinding machine 1 during grinding, the specific structure of the connecting assembly 41 of the embodiment comprises the fixing part 411, the rotating part 412 and the elastic part 413. The fixing part 411 is fixedly connected with the moving adjustment platform 3, one end of the rotating part 412 is rotationally connected with the fixing part 411, and the other end is connected with the moving adjustment platform 3 through the elastic part 413. The arrangement of the elastic part 413 can make the chain 42 have a certain buffering and adaptive space when subjected to external force, change the hard connection of the chain 42 into soft contact, buffer the vibration of the grinding machine 1 during grinding, avoid damage to the equipment, and further improve the stability and applicability of the tool.

[0050] In an embodiment, hooks 414 are arranged on the fixing part 411 and the rotating part 412 respectively, and two ends of the chain 42 are hung tightly on the hooks of the fixing part 411 and the rotating part 412 respectively.

[0051] As an example, referring to Figure 2In this embodiment, the fixed member 411 and the rotating member 412 are each provided with a hook 414 for hooking the chain 42. By fastening the ends of the chain 42 to the hooks of the fixed member 411 and the rotating member 412, respectively, the chain 42 is connected and fixed to the connecting assembly 41. This connection method facilitates the connection and removal of the chain 42. In addition, after the chain 42 is removed, it can be extended by an external chain 42 to accommodate different sizes of the welding base material 2 according to different diameters, thereby improving applicability.

[0052] Regarding the embodiments of the present invention, it should also be noted that, in the absence of conflict, the embodiments of the present invention and the features therein can be combined with each other to obtain new embodiments.

[0053] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. The scope of protection of the present invention shall be subject to the scope of protection of the claims. Although the present invention has been disclosed as a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art can, without departing from the scope of the present invention, make some changes or modifications to the above disclosed technical contents into equivalent embodiments. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the present invention are still within the scope of the present invention.

Claims

1. A weld seam excess height grinding auxiliary tool, used to assist a grinder (1) in grinding a weld seam (21) of a welding base material (2); characterized in that: The invention comprises a movable adjustment platform (3) and a stabilizing mechanism (4); the grinder (1) is mounted on the movable adjustment platform (3); the movable adjustment platform (3) is used to move and adjust the grinder (1) so that the bottom of the grinding plate of the grinder (1) is parallel to the external tangent line of the weld (21); the stabilizing mechanism (4) is connected to the movable adjustment platform (3) and the welding base material (2), and the movable adjustment platform (3) is maintained on the surface of the welding base material (2) by the stabilizing mechanism (4), so that the movable adjustment platform (3) moves along the surface of the welding base material (2).

2. The weld seam excess height grinding auxiliary tool according to claim 1, characterized in that: The movable adjustment platform (3) comprises a supporting mechanism (31) and a mounting mechanism (32) for mounting the grinder (1); the supporting mechanism (31) comprises a base (311) and a lifting assembly (312) arranged on the base (311); a first roller (313) is arranged at the bottom of the base (311), a second roller (321) is arranged at the bottom of the mounting mechanism (32), and one side of the mounting mechanism (32) is connected to the lifting assembly (312).

3. The weld seam excess height grinding auxiliary tool according to claim 2, characterized in that: The lifting assembly (312) comprises a support frame (3121) and an adjusting screw (3122), wherein the adjusting screw (3122) is arranged on the support frame (3121) and can rotate relative to the support frame (3121); a threaded hole is provided on the mounting mechanism (32), and the adjusting screw (3122) is threadedly engaged with the threaded hole.

4. The weld seam excess height grinding auxiliary tool according to claim 3, characterized in that: The support frame (3121) is provided with a guide groove, and the mounting mechanism (32) is provided with a guide member (322), and the guide member (322) is slidably connected to the guide groove.

5. The weld reinforcement grinding auxiliary tool according to claim 3, characterized in that: The base (311) includes a first wheel bridge (3111) and a second wheel bridge (3112); the first rollers (313) are distributed at the bottom of the first wheel bridge (3111) and the bottom of the second wheel bridge (3112); and the support frame (3121) is fixedly connected to the first wheel bridge (3111) and the second wheel bridge (3112).

6. The weld reinforcement grinding auxiliary tool according to claim 2, characterized in that: The first roller (313) is configured as a universal wheel.

7. The weld seam excess height grinding auxiliary tool according to claim 2, characterized in that: A folding mechanism (323) is also provided on the mounting mechanism (32), the second roller (321) is provided at one end of the folding mechanism (323), and the other end of the folding mechanism (323) is connected to the mounting mechanism (32).

8. The weld reinforcement grinding auxiliary tool according to claim 2, characterized in that: The stabilizing mechanism (4) comprises a connecting assembly (41), a chain (42) and a roller assembly (43); the connecting assembly (41) is fixedly connected to the movable adjustment platform (3); the chain (42) is arranged around the welding base material (2), and the two ends of the chain (42) are respectively connected to the connecting assembly (41); the roller assembly (43) is installed on the inner side of the chain (42) so that the stabilizing mechanism (4) can rotate along the surface of the welding base material (2).

9. The weld seam excess height grinding auxiliary tool according to claim 8, characterized in that: The connecting assembly (41) comprises a fixing member (411), a rotating member (412) and an elastic member (413); the fixing member (411) is fixedly connected to the movable adjustment platform (3); one end of the rotating member (412) is rotatably connected to the fixing member (411), and the other end is connected to the movable adjustment platform (3) via the elastic member (413).

10. The weld seam excess height grinding auxiliary tool according to claim 9, characterized in that: The fixing member (411) and the rotating member (412) are respectively provided with a draw hook (414), and both ends of the chain (42) are respectively hung on the hooks of the fixing member (411) and the rotating member (412).

Images