A groove measuring device

Abstract

The present invention provides a bevel measurement device, which includes a fixed frame, a sector scale and a main straight scale arranged on the fixed frame. The fixed frame is provided with a groove for placing a thick plate to be measured. During the measurement process, by adjusting the positions of the sector scale and the main straight scale, the bevel length L, the plate thickness difference t0, the bevel angle α and the root height n of the thick plate can be obtained. The bevel measurement device of the present invention has the characteristics of integration, and can simultaneously complete the measurement of the bevel length L, the plate thickness difference t0, the bevel angle α and the root height n without the aid of auxiliary tools, solving the problems of many tools, long time consumption, difficult operation, large measurement error, etc. existing in the prior art; moreover, the bevel measurement device provided by the present invention can be directly used for measurement and reading, and the measured data does not need to be subjected to complex conversion, and the data can be obtained immediately. In addition, the bevel measurement device provided by the present invention has a simple structure, is easy to adjust, has strong versatility, is convenient to operate, and can be effectively operated in a narrow space.

Description

Technical Field

[0001] The invention relates to the field of measurement, and in particular to a groove measuring device. Background Art

[0002] In ship structures, there are often cases where steel plates of different thicknesses are butt-welded. In order to eliminate stress concentration and ensure welding quality, it is usually necessary to bevel the part of the thick plate that is higher than the thin plate, so that the thickness of the thick plate is evenly transitioned to the thickness of the thin plate, and then open the butt groove according to the welding requirements. When the side where the thickness difference exists between the thick plate and the thin plate is not on the same side as the side where the butt groove is to be opened, the plate structure after the thick plate is processed is similar to the K-type, which mainly includes two situations: one is the situation where no root is left when opening the groove, such as Figure 1a As shown; the other is the case where roots are left when the slope is opened, such as Figure 1b shown.

[0003] In the actual construction process, in order to ensure the welding quality, after the thick plate is processed, it is necessary to check the accuracy of various parameters of the thick plate, including the thick plate bevel length L, the thickness difference t0 between the thick plate and the thin plate, the groove angle α and the root height n (no inspection is required if there is no root n), such as Figure 1a and 1b However, in actual operation, the above values ​​need to be obtained separately with the help of multiple measuring tools, so there are problems such as multiple tools, long time consumption, difficult operation, and large measurement errors. Summary of the invention

[0004] In view of the shortcomings of the prior art described above, the present invention proposes a groove measuring device, including a fixed frame and a sector ruler and a main ruler arranged on the fixed frame. The fixed frame has a groove for placing the thick plate to be measured. During the measurement process, the bevel length L, the plate thickness difference t0, the groove angle α and the root height n of the thick plate are obtained by adjusting the positions of the sector ruler and the main ruler. The groove measuring device of the present invention has the characteristics of integration, and can simultaneously complete the measurement of the bevel length L, the plate thickness difference t0, the groove angle α and the root height n without the aid of auxiliary tools, thereby solving the problems of many tools, long time consumption, difficult operation and large measurement errors existing in the prior art; and the groove measuring device provided by the present invention can be directly used for measurement and reading, and the measured data does not need to be converted complicatedly, and the data can be obtained immediately after measurement. In addition, the groove measuring device provided by the present invention has a simple structure, is easy to adjust, has strong versatility, is easy to operate, and can be effectively operated in a small space.

[0005] To achieve the above-mentioned and other related purposes, the present invention provides a groove measuring device, comprising:

[0006] A fixing frame, wherein the two ends of the fixing frame in the length direction are respectively a measuring end and a vertical end, the measuring end is formed with a groove, the groove is an inward concave structure extending from the measuring end to the middle area of ​​the fixing frame, and the groove is used to place the thick plate to be measured;

[0007] The surface of the fixing frame is provided with a first slide groove and a positioning groove, wherein the first slide groove is provided close to the vertical side wall of the groove and extends in a vertical direction perpendicular to the length direction of the fixing frame, and a first sliding block is provided in the first slide groove; the positioning groove is provided on the surface of the fixing frame above the groove, and the bottom edge of the positioning groove coincides with the upper edge of the groove;

[0008] A sector ruler, the center of which is located at the first slider, and the sector ruler is fixedly connected to the first slider in a manner of being rotatable around the center of the sector ruler, and the first slider drives the sector ruler to move in the first slide groove along the vertical direction;

[0009] A main ruler is disposed in the positioning groove in a manner that the main ruler is movable relative to the groove in the vertical direction.

[0010] Optionally, a first length scale is provided on the side edge of the groove, and a zero point of the first length scale is located at the intersection of the side edge of the groove and the upper edge of the groove.

[0011] Optionally, a second length scale is provided on the bottom edge of the main ruler, and a zero point of the second length scale is located on a side where the main ruler coincides with a side edge of the groove.

[0012] Optionally, the positioning groove is a rectangular structure.

[0013] Optionally, a second slide groove extending along the vertical direction is provided in the main ruler, a second sliding block is fixed in the positioning groove, and the second slide groove cooperates with the second sliding block to move the main ruler along the vertical direction.

[0014] Optionally, a reference line is provided on the surface of the fixing frame, and the reference line extends from the lower edge of the fixing frame to the upper edge of the fixing frame along the vertical direction, and the reference line passes through the center of the sector ruler.

[0015] Optionally, the sector ruler has a first right-angled side, a second right-angled side and an arc side, the arc side has an angle scale, and the first right-angled side indicates 0°, the second right-angled side indicates 90°, and when the sector ruler is in an initial position, the first right-angled side coincides with the reference line, and the second right-angled side is located on one side of the vertical end.

[0016] Optionally, the fixing frame has a lightening hole, and the lightening hole is arranged at the vertical end.

[0017] Optionally, both the first slider and the second slider are provided with fasteners, wherein the fasteners provided on the first slider are adjusted to fix the sector ruler, and the fasteners provided on the second slider are adjusted to fix the main ruler.

[0018] The groove measuring device of the present invention has at least the following beneficial effects:

[0019] The groove measuring device provided by the present invention comprises a fixed frame, and a sector ruler and a main ruler arranged on the fixed frame. The fixed frame has a groove for placing the thick plate to be measured. During the measurement process, the positions of the sector ruler and the main ruler are adjusted to obtain the bevel length L, the plate thickness difference t0, the groove angle α and the root height n of the thick plate. The groove measuring device of the present invention has the characteristics of integration, and can simultaneously complete the measurement of the bevel length L, the plate thickness difference t0, the groove angle α and the root height n without the aid of auxiliary tools, thereby solving the problems of many tools, long time consumption, difficult operation and large measurement errors existing in the prior art; and the groove measuring device provided by the present invention can be directly used for measurement and reading, and the measured data does not need to be converted complicatedly, and the data can be obtained immediately after measurement. In addition, the groove measuring device provided by the present invention has a simple structure, is easy to adjust, has strong versatility, is easy to operate, and can be effectively operated in a small space. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1a Schematic diagram of the structure of a slab without roots after treatment.

[0021] Figure 1b Shown is a schematic diagram of the structure of a thick plate with roots left after treatment.

[0022] Figure 2 Shown is a schematic diagram of the structure of a fixed frame in a groove measuring device.

[0023] Figure 3 Shown is a schematic structural diagram of a groove measuring device provided in an embodiment.

[0024] Figure 4a-4b Shown is a diagram showing the working principle of the groove measuring device provided in the embodiment.

[0025] Component number description

[0026] 1 Fixing bracket 121 Fastener

[0027] 2 Sector Ruler 21 First right angle side

[0028] 3 Main ruler 22 Second right angle side

[0029] 4 Lightening holes 23 Arc edge

[0030] 5 Handle 30 Second slide

[0031] 6 thick plate 130 second slider

[0032] 11 groove 100 first length scale

[0033] 111 Upper edge of the groove 300 Second length scale

[0034] 112 Side edge of groove 61 Upper side of thick plate

[0035] 113 Lower edge of groove 62 Beveled side of thick plate

[0036] 12 First chute 63 Bevel side of thick plate

[0037] 13 Positioning groove 64 Lower side of thick plate

[0038] 14 Baseline 65 Root side of thick plate

[0039] 120 First Slider DETAILED DESCRIPTION

[0040] The following describes the embodiments of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

[0041] It should be noted that the illustrations provided in this embodiment only illustrate the basic concept of the present invention in a schematic manner. Although the illustrations only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation, the form, quantity, positional relationship and proportion of each component in actual implementation can be changed at will under the premise of realizing the technical solution of this party, and the component layout form may also be more complicated.

[0042] Example

[0043] This embodiment provides a groove measuring device, such as Figure 3 As shown, it includes a fixing frame 1, a sector ruler 2 and a main ruler 3.

[0044] like Figure 2As shown, the two ends of the fixing frame 1 in the length direction are the measuring end and the vertical end respectively, and the measuring end is formed with a groove 11, which is an inward concave structure extending from the measuring end to the middle area of ​​the fixing frame, and is used to place the thick plate to be measured. The groove 11 includes an upper edge 111, a side edge 112 and a lower edge 113, wherein the side edge 112 of the groove has a first length scale 100, and the zero point of the first length scale 100 is located at the intersection of the side edge 112 of the groove and the upper edge 111 of the groove.

[0045] like Figure 2 As shown, the surface of the fixing frame 1 is provided with a first slide groove 12 and a positioning groove 13. The first slide groove 12 is provided near the vertical side wall of the groove 11 and extends in a vertical direction perpendicular to the length direction of the fixing frame (i.e. Figure 2 The first slide groove 12 is provided with a first slider 120, and the first slider 120 can move in the vertical direction in the first slide groove 12. The positioning groove 13 is provided on the surface of the fixing frame 1 above the groove 11, and the bottom edge of the positioning groove 13 coincides with the upper edge 111 of the groove. In this embodiment, the positioning groove 13 is a rectangular structure.

[0046] like Figure 2 As shown, the surface of the vertical end of the fixing frame 1 is provided with a reference line 14, and the reference line 14 is along the vertical direction (i.e. Figure 2 The reference line 14 extends from the lower edge of the fixing frame to the upper edge of the fixing frame (in the Y direction shown in FIG. 1 ), and the reference line 14 passes through the center point of the first sliding block 120 .

[0047] like Figure 2 As shown, the vertical end of the fixing frame 1 is also provided with a lightening hole 4 for reducing the weight of the measuring device. In this embodiment, the lightening hole 4 is located at the lower left of the vertical end of the fixing frame 1; in other optional embodiments, in order to avoid interference with the sector ruler 2, the lightening hole 4 can also be arranged at the upper left of the vertical end of the fixing frame 1. A handle 5 is also formed near the edge of the fixing frame 1 to improve operability during use.

[0048] As an example, except for the intersection of the side edge 112 of the groove and the upper edge 111 of the groove, and the intersection of the side edge 112 of the groove and the lower edge 113 of the groove, the adjacent ends of the edge of the fixing frame 1 are all processed with arc transition to avoid sharp structures and extend the life of the device.

[0049] Reference Figure 3 As shown, a sector ruler 2 is installed in the first slide groove 12, the center of the sector ruler 2 coincides with the center point of the first slider 120, and the sector ruler 2 is fixedly connected to the first slider 120 in a rotatable manner around its center, so that the sector ruler 2 can not only rotate around the first slider 120, but the first slider 120 can also drive the sector ruler 2 in the first slide groove 12 along the vertical direction (i.e. Figure 3 As an example, the first slider 120 is also provided with a fastener 121, and the tightness between the sector ruler 2 and the first slider 120 can be adjusted by adjusting the fastener 121. In this embodiment, the fastener 121 includes a bolt and a nut.

[0050] like Figure 3 As shown, the sector ruler 2 has a first right-angled side 21, a second right-angled side 22 and an arc side 23. The arc side 23 has an angle scale, and the angle scale indicates 0° at the intersection of the arc side 23 and the first right-angled side 21, and indicates 90° at the intersection of the arc side 23 and the second right-angled side 22. When the sector ruler 2 is in the initial position, the first right-angled side 21 coincides with the reference line 14, and the second right-angled side 22 is located on one side of the vertical end of the fixing frame 1.

[0051] Reference Figure 3 As shown, the main ruler 3 is in the vertical direction (i.e. Figure 3 The main ruler 3 is provided with a second slide groove 30 extending in the vertical direction, and a second slider 130 is fixed in the positioning groove 13. The second slide groove 30 cooperates with the second slider 130 to enable the main ruler 3 to move in the vertical direction. As an example, a fastener 121 is also provided on the second slider 130, and the tightness between the main ruler 3 and the positioning groove 13 can be adjusted by adjusting the fastener 121. In this embodiment, the fastener 121 includes a bolt and a nut.

[0052] like Figure 3 As shown, a second length scale 300 is provided on the bottom edge of the main ruler 3, and the zero point of the second length scale 300 is located at the side where the main ruler 3 coincides with the side edge 112 of the groove.

[0053] The working principle of the groove measuring device provided in this embodiment is as follows:

[0054] Reference Figure 1a As shown, the thick plate 6 includes an upper side 61, a beveled side 62, a groove side 63 and a lower side 64. Figure 4a As shown, firstly, the thick plate 6 to be measured is placed in the groove 11 of the groove measuring device, so that the lower side 64 of the thick plate 6 contacts the lower edge 113 of the groove, and the intersection of the beveled side 62 of the thick plate and the groove side 63 contacts the side edge 112 of the groove, thereby completing the positioning of the measuring device.

[0055] Then, if Figure 4aAs shown, the main ruler 3 is moved in the vertical direction until the bottom edge of the main ruler 3 contacts the upper side 61 of the thick plate 6; the first slider 120 is moved in the first slide groove 12, and the sector ruler 2 is rotated around the first slider 120 to adjust the position of the sector ruler 2 so that the first right-angled side 21 of the sector ruler 2 coincides with the groove side 63 of the thick plate 6, thereby completing the adjustment of the measuring device.

[0056] Finally, read the scale value of the intersection of the upper side 61 of the thick plate and the beveled side 62 on the second length scale 300 to obtain the bevel length L of the thick plate 6; read the angle scale value at the intersection of the arc edge 23 of the fan-shaped ruler and the reference line 14 to obtain the groove angle α of the thick plate; read the value t1 of the intersection of the beveled side 62 and the groove side 63 on the first length scale 100, read the value t2 of the first length scale 100 indicated by the bottom edge of the main ruler 3, and subtract the two to obtain the plate thickness difference t0.

[0057] Reference Figure 1b As shown in FIG. 1 , for a thick plate 6 with a root left when a groove is formed, in addition to the upper side 61, the bevel side 62, the groove side 63 and the lower side 64, a root left side 65 is also included. The bevel length L, the plate thickness difference t0 and the groove angle α of the thick plate 6 with a root left are measured by referring to the above steps. The root left height n of the thick plate 6 is measured as follows: Figure 4b As shown, the value t3 of the intersection of the root side 65 and the groove side 63 falling on the first length scale 100 is read, and the value t1 of the intersection of the bevel side 62 and the root side 65 falling on the first length scale 100 is read, and the root height n is obtained by subtracting the two.

[0058] As an example, during the reading process, the fasteners 121 on the first slider 120 and the second slider 130 can be locked respectively to fix the positions of the sector ruler 2 and the main ruler 3, and the thick plate 6 to be measured can be removed and then the reading can be performed. In an optional embodiment, the parameter value of the thick plate obtained by actual measurement can be compared with its theoretical value to verify the accuracy of the thick plate processing.

[0059] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed by the present invention shall still be covered by the claims of the present invention.

Claims

1. A groove measuring device, characterized in that: include: A fixing frame, wherein the two ends of the fixing frame in the length direction are respectively a measuring end and a vertical end, the measuring end is formed with a groove, the groove is an inward concave structure extending from the measuring end to the middle area of ​​the fixing frame, and the groove is used to place the thick plate to be measured; a first length scale is provided on the side edge of the groove, and the zero point of the first length scale is located at the intersection of the side edge of the groove and the upper edge of the groove; The surface of the fixing frame is provided with a first slide groove and a positioning groove, wherein the first slide groove is provided close to the vertical side wall of the groove and extends in a vertical direction perpendicular to the length direction of the fixing frame, and a first sliding block is provided in the first slide groove; the positioning groove is provided on the surface of the fixing frame above the groove, and the bottom edge of the positioning groove coincides with the upper edge of the groove; A sector ruler, the center of which is located at the first slider, and the sector ruler is fixedly connected to the first slider in a manner of being rotatable around the center of the sector ruler, and the first slider drives the sector ruler to move in the first slide groove along the vertical direction; A main ruler is disposed in the positioning groove in a manner that the main ruler is movable relative to the groove in the vertical direction.

2. The groove measuring device according to claim 1, characterized in that: A second length scale is provided on the bottom edge of the main ruler, and a zero point of the second length scale is located at a side where the main ruler coincides with a side edge of the groove.

3. The groove measuring device according to claim 1, characterized in that: The positioning groove is a rectangular structure.

4. The groove measuring device according to claim 1, characterized in that: The main ruler is provided with a second slide groove extending along the vertical direction, the positioning groove is fixed with a second slider, and the second slide groove cooperates with the second slider to move the main ruler along the vertical direction.

5. The groove measuring device according to claim 1, characterized in that: A reference line is arranged on the surface of the fixing frame, and the reference line extends from the lower edge of the fixing frame to the upper edge of the fixing frame along the vertical direction, and the reference line passes through the center of the sector ruler.

6. The groove measuring device according to claim 5, characterized in that: The sector ruler has a first right-angled side, a second right-angled side and an arc side, the arc side has an angle scale, and the first right-angled side indicates 0°, and the second right-angled side indicates 90°. When the sector ruler is in an initial position, the first right-angled side coincides with the reference line, and the second right-angled side is located on one side of the vertical end.

7. The groove measuring device according to claim 1, characterized in that: The fixing frame is provided with a lightening hole, and the lightening hole is arranged at the vertical end.

8. The groove measuring device according to claim 4, characterized in that: The first slider and the second slider are both provided with fasteners, wherein the fasteners provided on the first slider are adjusted to fix the sector ruler, and the fasteners provided on the second slider are adjusted to fix the main ruler.

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