Construction steel bar welding seam measuring tool

Abstract

The utility model relates to the technical field of measuring tools, in particular to a building steel bar welding seam measuring tool which comprises a main ruler, a height measuring ruler, an undercut depth measuring ruler and a thickness measuring ruler, the height measuring ruler, the undercut depth measuring ruler and the thickness measuring ruler are connected to the front face of the main ruler in a sliding mode, and a notch is formed in the middle of the lower end of the main ruler. The back face of the main ruler is rotatably connected with a triangular ruler and a multi-purpose ruler, the back face of the main ruler is slidably connected with a caliper, the extending end of the caliper is fixedly connected with a movable ruler, one corner of the main ruler is provided with a thickness measurement auxiliary edge, and the included angle between the thickness measurement auxiliary edge and the bottom end of the main ruler is 45 degrees. And the thickness measuring ruler and the thickness measuring auxiliary edge are vertically arranged. According to the utility model, numerical values required by the welding seam can be measured according to actual requirements in the acceptance check process under various conditions.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring tools, in particular to a building steel bar weld measuring tool. Background Art

[0002] Arc welding is to use an arc welding machine to generate high temperature between the electrode and the weldment. The arc melts the electrode and the weldment within the arc burning range, and forms a weld or joint when it solidifies. Arc welding is widely used in steel bar joints, steel bar skeleton welding, prefabricated structure joint welding, steel bar and steel plate welding, and various steel structure welding. The joint forms of steel bar arc welding include: lap weld joint (single-sided weld or double-sided weld), bar welding joint (single-sided weld or double-sided weld), groove weld joint, narrow gap weld joint, and groove bar welding joint. The quality inspection of welding joints is divided into appearance quality inspection and mechanical property inspection. In addition to the visual inspection items, the key dimensions of arc welding joint appearance quality inspection also need to be measured to determine whether the size of the joint and the allowable deviation meet the requirements of JGJ10-2012 "Rebar Welding and Acceptance Regulations". The longitudinal offset of the support bar along the center line of the joint, the bending angle at the joint, the offset of the steel bar axis at the joint, the weld width, weld length, undercut depth, etc. require different tools to measure during the measurement process. The process is cumbersome and inconvenient. Therefore, it is necessary to develop a measuring tool that can measure the required values ​​of the weld according to actual needs during the acceptance process for a variety of situations. Utility Model Content

[0003] In view of the above technical problems, the utility model provides a measuring tool that can measure the required values ​​of welds according to actual needs in the acceptance process for various situations, so as to solve the problems that the existing steel bar welding joint measurement process is cumbersome and inconvenient.

[0004] In order to solve the above technical problems, the utility model discloses a construction steel bar weld measuring tool, comprising a main scale, a height measuring scale, a bite depth measuring scale, and a thickness measuring scale. The height measuring scale, the bite depth measuring scale, and the thickness measuring scale are slidably connected to the front of the main scale. A notch is provided in the middle of the lower end of the main scale. The lower end of the height measuring scale is located in the notch. A triangle scale and a multi-purpose scale are rotatably connected to the back of the main scale. A caliper is slidably connected to the back of the main scale. A movable scale is fixedly connected to the extended end of the caliper. A thickness measurement auxiliary edge forming an angle of 45° with the bottom end of the main scale is provided at one corner of the main scale. The thickness measuring scale is vertically arranged to the thickness measurement auxiliary edge.

[0005] Furthermore, a height measuring scale slide groove, a bite edge depth measuring scale slide groove, and a thickness measuring scale slide groove are provided on the front of the main scale. The height measuring scale, the bite edge depth measuring scale, and the thickness measuring scale are respectively slidably connected in the height measuring scale slide groove, the bite edge depth measuring scale slide groove, and the thickness measuring scale slide groove by limit bolts penetrating the strip-shaped through holes, and the strip-shaped through holes are opened along the length direction of the height measuring scale, the bite edge depth measuring scale, and the thickness measuring scale themselves.

[0006] Furthermore, the undercut depth measuring scale and the height measuring scale are parallel to each other and perpendicular to the main scale, one side of the height measuring scale is located on the main scale and a height measuring scale scale mark is set, and one side of the undercut depth measuring scale is located on the main scale and a undercut depth measuring scale scale mark is set.

[0007] Furthermore, the triangle ruler is an isosceles right-angled triangle ruler, the surface of which is engraved with the median of the hypotenuse, and the right-angle end is rotatably connected to the back of the main ruler by a limit bolt, and the scale lines of the triangle ruler are set on the main ruler.

[0008] Furthermore, the multi-purpose ruler is arranged on one end of the back of the main ruler and is rotatably connected by a limit bolt. A gap measurement scale line is arranged on the tip of the multi-purpose ruler, and an angle measurement scale line and a width measurement scale line are arranged on the main ruler near the multi-purpose ruler.

[0009] Furthermore, an L-shaped groove is provided on the back of the main scale, the caliper is slidably connected in the L-shaped groove through a limiting bolt, and caliper scale lines are provided on the outer surface of the caliper.

[0010] Furthermore, the movable ruler is located in the short side of the L-shaped groove, a sliding block is sleeved on the movable ruler, a tightening bolt is threadedly connected to the sliding block, and movable ruler scale lines are arranged on the movable ruler.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] The utility model can measure the longitudinal displacement of the support bar along the center line of the joint, the bending angle at the joint, and the displacement of the steel bar axis at the joint by adding a triangle ruler, a caliper, and a movable ruler on the basis of the measuring function of the existing welding detection ruler, and is used in conjunction with the main ruler, the height measuring ruler, and the undercut depth measuring ruler, so as to achieve the needs of using one ruler for multiple purposes and simplifying the measuring process. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model.

[0014] Figure 2 This is the rear view of the utility model.

[0015] In the figure: 1, main ruler, 2, notch, 3, main ruler scale line, 4, thickness measurement auxiliary edge, 5, height measuring ruler, 6, height measurement reference line, 7, height measuring ruler scale line, 8, undercut depth measuring ruler, 9, undercut depth measurement reference line, 10, undercut depth measurement ruler scale line, 11, thickness measuring ruler, 12, thickness measurement reference line, 13, thickness measurement ruler scale line, 14, triangle ruler, 15, triangle ruler reference line, 16, triangle ruler scale line, 17, multi-purpose ruler, 18, gap measurement scale line, 19, angle measurement reference line, 20, angle measurement scale line, 21, width measurement reference line, 22, width measurement scale line, 23, caliper, 24, caliper scale line, 25, movable ruler, 26, movable ruler scale line, 27, slider, 28, L-shaped groove. DETAILED DESCRIPTION

[0016] The utility model is further described below in conjunction with the accompanying drawings.

[0017] like Figure 1 , 2 A construction steel bar weld measuring tool shown in the figure comprises a main ruler 1, a height measuring ruler 5, a bite depth measuring ruler 8, and a thickness measuring ruler 11. The main ruler 1 plays the role of bringing together other functional rulers, and not only has the line segment measurement function of an ordinary ruler, but also provides a reference and auxiliary effect for other functional rulers. The height measuring ruler 5, the bite depth measuring ruler 8, and the thickness measuring ruler 11 are slidably connected to the front of the main ruler 1. A notch 2 is provided in the middle of the lower end of the main ruler 1, and the lower end of the height measuring ruler 5 is located in the notch 2. A triangle ruler 14 and a multi-purpose ruler 17 are rotatably connected to the back of the main ruler 1. A caliper 23 is slidably connected to the back of the main ruler 1, and a movable ruler 25 is fixedly connected to the extended end of the caliper 23. A thickness measurement auxiliary edge 4 is provided at one corner of the main ruler 1, which is at an angle of 45° with the bottom end of the main ruler 1, and the thickness measuring ruler 11 is arranged perpendicular to the thickness measurement auxiliary edge 4.

[0018] In order to ensure that the height measuring ruler 5, the undercut depth measuring ruler 8, the thickness measuring ruler 11 and the caliper 23 can slide and displace along their length direction, thereby facilitating operation and ensuring the accuracy of the measurement data and making the ruler body structure compact, the height measuring ruler 5, the undercut depth measuring ruler 8, the thickness measuring ruler 11 and the caliper 23 are respectively arranged in the height measuring ruler slide groove, the undercut depth measuring ruler slide groove, the thickness measuring ruler slide groove and the L-shaped groove 28.

[0019] In order to improve the measurement accuracy, a notch 2 is provided in the middle of the lower end of the main scale 1 to avoid the weld.

[0020] In order to prevent the height measuring ruler 5 from being affected by the protruding weld on the surface during use, an isosceles trapezoidal notch 2 is provided in the middle of the lower end.

[0021] In order to facilitate the determination of the center of the cross section of the building steel bar and the supporting bar, the surface of the triangle ruler 14 is engraved with the median of the hypotenuse.

[0022] The working process of this embodiment is as follows:

[0023] The construction steel bar weld measuring tool in this example has a main scale 1 with a measuring range of 0-140mm, which can measure the length of the foundation; the height measuring scale 5 has a measuring range of 0-30mm. In the zero state, the two height measuring reference lines 6 are respectively aligned with the zero positions of the two height measuring scale scale lines 7, and the tip of the height measuring scale 5 is in the same straight line as the long side of the lower end of the main scale 1. When in use, the long side of the lower end of the main scale 1 is used as the horizontal line to be attached to one end of the weld to be measured, the limit bolt is turned, and the height measuring scale 5 is slid. When measuring the weld height, the weld is placed in the notch 2, and the tip of the height measuring scale 5 is against the weld. After reaching the highest point, tighten the limit bolt, read the value pointed by the lower end height measurement reference line 6. When measuring the height of the fillet weld leg and the weld misalignment, the tip of the height measuring ruler 5 is against the other surface to be measured and then tighten the limit bolt, and read the value pointed by the upper end height measurement reference line 6; the range of the undercut depth measuring ruler 8 is 0-30mm. In the zeroing state, the undercut depth measurement reference line 9 is aligned with the zero position of the undercut depth measuring ruler scale line 10, and the tip of the undercut depth measuring ruler 8 is in the same straight line as the long side of the lower end of the main ruler 1. When in use, use the long side of the lower end of the main ruler 1 as the horizontal line to stick to one end of the weld to be measured, and turn the limit Bolt, slide the undercut depth measuring ruler 8, when measuring the undercut depth, put the tip of the undercut depth measuring ruler 8 deep into the sub-solid and then lock the limit bolt, read the value pointed by the undercut depth measurement reference line 9; the range of the thickness measuring ruler 11 is 0-30mm, in the zero state, the thickness measurement reference line 12 is aligned with the zero position of the thickness measurement ruler scale line 13, the tip of the thickness measuring ruler 11 coincides with the intersection of the long and short side extension lines of the main ruler 1, when in use, use the thickness measurement auxiliary edge 4 as the horizontal line, the main ruler 1 is fitted with the surface of the weldment, turn the limit bolt, slide the thickness measuring ruler 11, when measuring the weld throat thickness, use The tip of the thickness measuring ruler 11 is against the highest point of the weld, and the value pointed by the thickness measurement reference line 12 is read; the right-angle side of the triangle ruler 14 is 50mm long, and the measuring range is 0°-10°. In the zeroing state, the triangle ruler reference line 15 is aligned with the zero position of the triangle ruler scale line 16. When measuring the bending angle at the joint, the long side of the lower end of the main ruler 1 is used as the horizontal line to stick to one end of the weld to be measured, and the right-angle vertex of the triangle ruler 14 is located at the other end of the weld. The value pointed by the triangle ruler scale line 16 is read. At the same time, the triangle ruler 14 can be completely turned out, and the center of the steel bar and the helper bar specimen is determined with the help of the midpoint perpendicular line on the hypotenuse;The range of gap measurement of the multi-purpose ruler 17 is 0-5mm, the range of angle measurement is 0°-40°, and the range of width measurement is 0-50mm. When measuring the gap, turn out the multi-purpose ruler 17 so that the tip is inserted into the weld gap until it contacts the surfaces on both sides of the weld, and read the gap measurement scale line 18. When measuring the groove angle, first return the multi-purpose ruler 17 to zero, align the angle measurement reference line 19 with the zero position of the angle measurement scale line 20, and the outer side of the tip of the multi-purpose ruler 17 is perpendicular to the long side of the lower end of the main ruler 1. When in use, place it on one side of the groove to be measured with the long side of the lower end of the main ruler 1 as the horizontal line, extend the tip of the multi-purpose ruler 17, make its outer side fit with the inner surface of the groove, and read the reading pointed by the angle measurement reference line 19. When measuring the weld width, first return the multi-purpose ruler 17 to zero, align the width measurement reference line 21 with the zero position of the width measurement scale line 22, and the tip of the multi-purpose ruler 17 is perpendicular to the long side of the lower end of the main ruler 1. The vertex of the lower left corner of the ruler 1 coincides. When in use, place it on one side of the weld to be measured with the short side of the left side of the main ruler 1 as the horizontal line, turn the multi-purpose ruler 17, make the tip of the multi-purpose ruler 17 against the edge of the other side of the weld, and read the reading pointed by the width measurement scale line 22; the range of the caliper 23 is 0-100mm, and the range of the movable ruler 25 is 0-50mm, which is mainly used to measure the longitudinal offset of the helper along the center line of the joint. When in use, turn the limit bolt to extend the caliper 23, connect the center of the steel bar and the helper determined by the triangle ruler 14 through the straight edge of the caliper 23, and determine whether the three points are on the same straight line. If not, place the end faces of the steel bar and the helper with the mark on the movable ruler 25, turn the tightening bolt, slide the slider 27, read the value of the movable ruler scale line 26, and determine the difference between the third point and the straight line connecting the first point and the second point, which is the longitudinal offset of the helper along the center line of the joint. ;

Claims

1. A construction steel bar weld measuring tool, comprising a main ruler (1), a height measuring ruler (5), a bite depth measuring ruler (8), and a thickness measuring ruler (11), wherein the height measuring ruler (5), the bite depth measuring ruler (8), and the thickness measuring ruler (11) are slidably connected to the front of the main ruler (1), and characterized in that: A notch (2) is provided in the middle of the lower end of the main scale (1), and the lower end of the height measuring scale (5) is located in the notch (2). The back of the main scale (1) is rotatably connected to a triangle scale (14) and a multi-purpose scale (17). The back of the main scale (1) is slidably connected to a caliper (23), and the extended end of the caliper (23) is fixedly connected to a movable scale (25). A thickness measuring auxiliary edge (4) is provided at one corner of the main scale (1) and forms an angle of 45° with the bottom end of the main scale (1), and the thickness measuring scale (11) is arranged perpendicular to the thickness measuring auxiliary edge (4).

2. The construction steel bar weld measurement tool according to claim 1, characterized in that: The front of the main scale (1) is provided with a height measuring scale sliding groove, a bite edge depth measuring scale sliding groove, and a thickness measuring scale sliding groove. The height measuring scale (5), the bite edge depth measuring scale (8), and the thickness measuring scale (11) are respectively slidably connected in the height measuring scale sliding groove, the bite edge depth measuring scale sliding groove, and the thickness measuring scale sliding groove by means of limit bolts penetrating through the strip-shaped through holes. The strip-shaped through holes are opened along the length direction of the height measuring scale (5), the bite edge depth measuring scale (8), and the thickness measuring scale (11).

3. The construction steel bar weld measurement tool according to claim 1, characterized in that: The undercut depth measuring scale (8) and the height measuring scale (5) are parallel to each other and perpendicular to the main scale (1); one side of the height measuring scale (5) is located on the main scale (1) and is provided with a height measuring scale scale mark (7); and one side of the undercut depth measuring scale (8) is located on the main scale (1) and is provided with a undercut depth measuring scale scale mark (10).

4. The construction steel bar weld measurement tool according to claim 1, characterized in that: The triangle ruler (14) is an isosceles right-angled triangle ruler, the surface of which is engraved with a perpendicular midline of the hypotenuse, and the right-angle end is rotatably connected to the back of the main ruler (1) through a limit bolt, and the triangle ruler scale lines (16) are arranged on the main ruler (1).

5. The construction steel bar weld measurement tool according to claim 1, characterized in that: The multi-purpose ruler (17) is rotatably arranged at one end of the back side of the main ruler (1) via a limit bolt, a gap measurement scale line (18) is arranged at the tip of the multi-purpose ruler (17), and an angle measurement scale line (20) and a width measurement scale line (22) are arranged on the main ruler (1) near the multi-purpose ruler (17).

6. The construction steel bar weld measurement tool according to claim 1, characterized in that: An L-shaped groove (28) is provided on the back of the main ruler (1), the caliper (23) is slidably connected in the L-shaped groove (28) via a limiting bolt, and a caliper scale line (24) is provided on the outer surface of the caliper (23).

7. The construction steel bar weld measurement tool according to claim 1, characterized in that: The movable ruler (25) is located in the short side of the L-shaped groove (28), a sliding block (27) is sleeved on the movable ruler (25), a tightening bolt is threadedly connected to the sliding block (27), and a movable ruler scale line (26) is arranged on the movable ruler (25).

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