FAB welding plate edge misalignment correction measuring tool and use method thereof

Abstract

The invention discloses an FAB welding plate edge misalignment correction measuring tool and a using method thereof.The FAB welding plate edge misalignment correction measuring tool comprises an edge-leaning reference ruler, an alignment tolerance measuring ruler and a groove width filler gauge, the alignment tolerance measuring ruler is vertically arranged on the right portion of the front face of the edge-leaning reference ruler, and a strip-shaped through hole formed in the length direction of the alignment tolerance measuring ruler is formed in the middle of the alignment tolerance measuring ruler; a strip-shaped through hole is formed in the edge-leaning reference ruler, a fastening device penetrates through the strip-shaped through hole and is in threaded connection with the edge-leaning reference ruler, a first scale mark is arranged on the side edge of the alignment tolerance measuring ruler, the groove width filler gauge is an inverted triangle and is vertically arranged in the middle of the front face of the edge-leaning reference ruler, and a second scale mark is arranged on the inclined side edge of the groove width filler gauge. By means of the tool and the calculation method, all parameters can be simply and rapidly measured, accurate correction data can be calculated, the situation that a groove gap is too large or a truncated edge is generated due to a large number of repeated attempts is avoided, production efficiency is improved, and consumable cost is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of ship auxiliary construction, and in particular to a FAB welding plate side misalignment correction measuring tool and a use method thereof. Background Art

[0002] like Figure 1 As shown in the figure, the weld of FAB welding is a V-shaped groove, and the groove gap is required to be between 0-5mm, and no blunt edge can be left. However, due to poor precision control in production practice, the following problems often occur: Figure 2 If the gap of the high-position misaligned weld plate is directly corrected, the groove gap requirement can be met, but the Figure 3 As shown, a blunt edge is formed, such as Figure 4 As shown, the welding cannot be fully penetrated; if you want to ensure that there is no blunt edge, such as Figure 5 As shown in the figure, the cutting is directly corrected according to the weldable gap, and the following will appear Figure 6 As shown in the figure, due to the difference in plate thickness, the weld gap exceeds the standard after the structural surfaces are flush.

[0003] Therefore, it is necessary to provide a FAB welding plate edge misalignment correction measurement tool and a method of using the same to solve the above technical problems. Summary of the invention

[0004] The purpose of the present invention is to provide a FAB welding plate edge misalignment correction measurement tool and a method of using the tool, which can quickly and efficiently calculate the value required for correcting the cutting, thereby ensuring that the groove gap meets the requirements and that no blunt edge is formed.

[0005] To achieve the above object, the technical solution adopted by the present invention is:

[0006] A FAB welding plate misalignment correction measuring tool comprises an edge reference ruler, a misalignment measuring ruler and a groove width feeler gauge, wherein the edge reference ruler is a horizontally placed rectangle, the misalignment measuring ruler is vertically arranged at the right front part of the edge reference ruler, a strip through hole arranged along its own length direction is opened in the middle of the misalignment measuring ruler, a fastening device is penetrated in the strip through hole, the fastening device is screwed with the edge reference ruler, a first scale line is arranged on the side of the misalignment measuring ruler, the groove width feeler gauge is an inverted triangle, the groove width feeler gauge is vertically arranged at the middle of the front part of the edge reference ruler, a strip slide groove is opened in the middle of the edge reference ruler along the width direction, a slider is fixedly connected to the back of the groove width feeler gauge, the slider slides and moves along the strip slide groove, and a second scale line is arranged on the oblique side of the groove width feeler gauge.

[0007] Preferably, the value displayed by the second scale line is half of the corresponding groove width.

[0008] A method for using a FAB welding plate edge misalignment correction measuring tool comprises the following steps:

[0009] Step 1, place the bottom surface of the end of the side reference ruler where the misalignment measuring ruler is not installed against the top surface of the misaligned welding plate at a high position, and make it flush and close to the top surface of the high misaligned welding plate, and move the misalignment measuring ruler vertically along the strip through hole until the bottom surface of the misalignment measuring ruler contacts the top surface of the misaligned welding plate at a low position, and make it flush and close to the top surface of the low misaligned welding plate, at this time, read the reading on the first scale line of the misalignment measuring ruler that is flush with the bottom surface of the side reference ruler, and the value is H measurement;

[0010] Step 2: Align the tip of the groove width feeler gauge with the center line of the groove, and move it vertically along the center line of the groove until the two oblique sides of the groove width feeler gauge are in close contact with the two sides of the groove. At this time, read the reading on the second scale line of the groove width feeler gauge that is flush with the top surface of the groove, and the value is L measurement;

[0011] Step 3: The thickness of the high dislocation side weld plate and the thickness of the low dislocation side weld plate can be obtained from the drawing, and the values ​​are T high and T low respectively;

[0012] Step 4, through the formula:

[0013]

[0014] The calculations show that:

[0015]

[0016] The X value is the value that needs to be corrected and cut for the high dislocation edge weld plate.

[0017] Preferably, when the high misalignment edge weld plate is a thin plate and the low misalignment edge weld plate is a thick plate, the formula is:

[0018]

[0019] Right now:

[0020]

[0021] The X value is the value at which the thin plate needs to be corrected for cutting.

[0022] Preferably, when the high misalignment edge weld plate is a thick plate and the low misalignment edge weld plate is a thin plate, the formula is:

[0023]

[0024] Right now:

[0025]

[0026] The X value is the value that requires correction cutting of the thick plate.

[0027] Compared with the prior art, the present invention has the following advantages:

[0028] By using the FAB welding plate misalignment correction measurement tool, various parameters can be measured simply and quickly, and accurate correction data can be calculated, avoiding the situation where the groove gap is too large or the blunt edge is produced due to a large number of repeated attempts, improving production efficiency and reducing consumables costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the standard weld of FAB welding;

[0030] Figure 2 This is a schematic diagram of the misalignment of the weld seam in FAB welding;

[0031] Figure 3 This is a schematic diagram of the blunt edge produced after the FAB welding weld is corrected;

[0032] Figure 4 yes Figure 3 Revised welding schematic diagram;

[0033] Figure 5 It is a cutting diagram of the FAB welding weld seam that is directly corrected according to the weldable gap;

[0034] Figure 6 yes Figure 5 Schematic diagram of the excessive gap at the groove after correction;

[0035] Figure 7 It is a schematic diagram of the structure of the FAB welding plate side misalignment correction measurement tool;

[0036] Figure 8 This is a measurement diagram when the high misalignment welded plate is a thin plate and the low misalignment welded plate is a thick plate;

[0037] Fig. 9 This is a measurement diagram when the high misalignment welded plate is a thick plate and the low misalignment welded plate is a thin plate;

[0038] Among them, 1-edge reference ruler, 2-misalignment measuring ruler, 3-groove width feeler gauge, 4-strip through hole, 5-fastening device, 6-strip slide groove, 7-slider DETAILED DESCRIPTION

[0039] The present invention is further explained below in conjunction with the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. After reading the present invention, various equivalent forms of modifications to the present invention by those skilled in the art all fall within the scope defined by the claims attached to this application.

[0040] In the present invention, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixed connection" and the like 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 an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0041] In the present invention, the directions or positional relationships indicated by terms such as "upper", "lower", "bottom", "top", etc. are based on the directions or positional relationships shown in the accompanying drawings. They are relational words determined only for the convenience of describing the structural relationships of the various parts or elements of the present invention. They do not specifically refer to any part or element in the present invention and cannot be understood as limitations on the present invention.

[0042] like Figure 7 As shown, a FAB welding plate edge misalignment correction measuring tool comprises an edge reference ruler 1, a misalignment measuring ruler 2 and a groove width feeler gauge 3. The edge reference ruler is a horizontally placed rectangle, the misalignment measuring ruler is vertically arranged on the right front side of the edge reference ruler, a strip through hole 4 arranged along its own length direction is opened in the middle of the misalignment measuring ruler, a fastening device 5 is penetrated in the strip through hole, the fastening device is screwed with the edge reference ruler, the fastening device is usually a screw, a first scale line is arranged on the side of the misalignment measuring ruler, the groove width feeler gauge is an inverted triangle, the groove width feeler gauge is vertically arranged on the middle of the front side of the edge reference ruler, a strip slide 6 is opened in the middle of the edge reference ruler along the width direction, a slider 7 is fixed to the back of the groove width feeler gauge, the slider slides and moves along the strip slide, a second scale line is arranged on the oblique side of the groove width feeler gauge, and the value displayed on the second scale line is half of the corresponding groove width.

[0043] A method for using a FAB welding plate edge misalignment correction measuring tool comprises the following steps:

[0044] Step 1, place the bottom surface of the end of the side reference ruler where the misalignment measuring ruler is not installed against the top surface of the misaligned welding plate at a high position, and make it flush and close to the top surface of the high misaligned welding plate, and move the misalignment measuring ruler vertically along the strip through hole until the bottom surface of the misalignment measuring ruler contacts the top surface of the misaligned welding plate at a low position, and make it flush and close to the top surface of the low misaligned welding plate, tighten the fastening device to fix the position of the misalignment measuring ruler, and at this time read the reading on the first scale line of the misalignment measuring ruler that is flush with the bottom surface of the side reference ruler, and the value is H measurement;

[0045] Step 2: Align the tip of the groove width feeler gauge with the groove centerline and move vertically along the groove centerline until the two oblique sides of the groove width feeler gauge are in close contact with the two sides of the groove. At this time, read the reading on the second scale line of the groove width feeler gauge that is flush with the groove top surface on the side of the high misaligned weld plate, and take the value as L measurement;

[0046] Step 3: The thickness of the high dislocation side weld plate and the thickness of the low dislocation side weld plate can be obtained from the drawing, and the values ​​are T high and T low respectively;

[0047] Step 4, through the formula:

[0048]

[0049] The calculations show that:

[0050]

[0051] The X value is the value that needs to be corrected and cut for the high misalignment edge weld plate.

[0052] like Figure 8 As shown in the figure, when the high misalignment weld plate is a thin plate and the low misalignment weld plate is a thick plate, the calculation formula is:

[0053]

[0054] Right now:

[0055]

[0056] The X value is the value that the thin plate needs to correct for cutting;

[0057] like Fig. 9 As shown in the figure, when the high misalignment weld plate is a thick plate and the low misalignment weld plate is a thin plate, the calculation formula is:

[0058]

[0059] Right now:

[0060]

[0061] The X value is the value that needs to be corrected for cutting of thick plates.

[0062] This tool, i.e., calculation method, can simply and quickly measure various parameters and calculate accurate correction data, thus avoiding the situation where the groove gap is too large or a blunt edge is produced due to a large number of repeated attempts, improving production efficiency and reducing consumables costs.

[0063] The above description shows and describes the preferred embodiments of the present invention. As mentioned above, it should be understood that the present invention is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the invention concept described herein through the above teachings or the technology or knowledge of the relevant field. Changes and variations made by those skilled in the art do not depart from the spirit and scope of the present invention, and should be within the scope of protection of the claims attached to the present invention.

Claims

1. A FAB welding plate side misalignment correction measurement tool, characterized by: It includes an edge reference ruler, a misalignment measuring ruler and a groove width feeler gauge. The edge reference ruler is a horizontally placed rectangle. The misalignment measuring ruler is vertically arranged on the right front side of the edge reference ruler. A strip through hole arranged along its own length direction is opened in the middle of the misalignment measuring ruler. A fastening device is inserted in the strip through hole. The fastening device is screwed with the edge reference ruler. A first scale line is arranged on the side of the misalignment measuring ruler. The groove width feeler gauge is an inverted triangle. The groove width feeler gauge is vertically arranged on the middle front side of the edge reference ruler. A strip slide groove is opened in the middle of the edge reference ruler along the width direction. A slider is fixed to the back of the groove width feeler gauge. The slider slides and moves along the strip slide groove. A second scale line is arranged on the oblique side of the groove width feeler gauge.

2. A FAB welding plate misalignment correction measurement tool according to claim 1, characterized in that: The value displayed by the second scale line is half of the corresponding groove width.

3. A method for using the FAB welding plate misalignment correction measuring tool according to claim 1 or 2, characterized in that: The following steps are involved: Step 1, place the bottom surface of the end of the side reference ruler where the misalignment measuring ruler is not installed against the top surface of the misaligned welding plate at a high position, and make it flush and close to the top surface of the high misaligned welding plate, and move the misalignment measuring ruler vertically along the strip through hole until the bottom surface of the misalignment measuring ruler contacts the top surface of the misaligned welding plate at a low position, and make it flush and close to the top surface of the low misaligned welding plate, at this time, read the reading on the first scale line of the misalignment measuring ruler that is flush with the bottom surface of the side reference ruler, and the value is H measurement; Step 2: Align the tip of the groove width feeler gauge with the center line of the groove, and move it vertically along the center line of the groove until the two oblique sides of the groove width feeler gauge are in close contact with the two sides of the groove. At this time, read the reading on the second scale line of the groove width feeler gauge that is flush with the top surface of the groove, and the value is L measurement; Step 3: The thickness of the high dislocation side weld plate and the thickness of the low dislocation side weld plate can be obtained from the drawing, and the values ​​are T high and T low respectively; Step 4, through the formula: The calculations show that: The X value is the value that needs to be corrected and cut for the high dislocation edge weld plate.

4. The method for using the FAB welding plate misalignment correction measuring tool according to claim 3, characterized in that: When the high misalignment welded plate is a thin plate and the low misalignment welded plate is a thick plate, the formula is: Right now: The X value is the value at which the thin plate needs to be corrected for cutting.

5. The method for using the FAB welding plate misalignment correction measuring tool according to claim 3, characterized in that: When the high misalignment welded plate is a thick plate and the low misalignment welded plate is a thin plate, the formula is: Right now: The X value is the value that requires correction cutting of the thick plate.

Images