Pressure vessel corner angle detection ruler

Abstract

The utility model belongs to the technical field of detection rulers, and particularly discloses a pressure vessel corner angle detection ruler. Comprising a main ruler and an auxiliary ruler which are rotationally connected, indicating mechanisms and level bubbles are arranged on the main ruler and the auxiliary ruler, the indicating mechanisms are located at the free ends of the main ruler and the auxiliary ruler, and a detection mechanism is movably arranged on the front side of the main ruler. The main ruler and the auxiliary ruler are rotationally connected, so that the total length of the detection ruler is flexibly adjusted, the auxiliary ruler can rotate around the rotating shaft relative to the main ruler, integrated detection of multiple parameters such as length, straightness, curvature, height and width can be realized, and the detection efficiency is greatly improved. The problem that the existing corner angle detection technology is difficult to adapt to the actual requirements of portability, instantaneity, manual operation and direct reading of specific deviation values in the manufacturing, mounting and inspection field of the pressure vessel is solved.

Description

Technical Field

[0001] This utility model belongs to the field of measuring ruler technology, specifically, it relates to a pressure vessel corner measuring ruler. Background Technology

[0002] With the development of special equipment manufacturing technology, pressure vessels have been widely used in petrochemical, energy, and power industries. Due to their pressure-bearing characteristics and the hazardous nature of their internal media, pressure vessels have extremely stringent manufacturing quality requirements. Among these requirements, the control of the corner dimensions of the weld area during the assembly and welding of the vessel shell is crucial. Excessively large corners can lead to stress concentration, significantly affecting the fatigue life of the vessel and potentially causing safety hazards such as cracks. Therefore, the corners of critical weld areas must be inspected during the manufacturing process to ensure they meet safety standards.

[0003] Existing edge detection technologies (such as automated systems for image recognition and laser scanning) are mainly geared towards particle material analysis or batch testing in laboratory environments. They generally suffer from limitations such as complex equipment, high cost, large size, reliance on computer processing, and inability to directly provide actual geometric dimensions (such as edge height and misalignment). These methods are ill-suited to the practical needs of pressure vessel manufacturing, installation, and inspection sites for portability, immediacy, manual operation, and intuitive reading of specific deviation values.

[0004] Based on this, the present invention provides a pressure vessel corner detection ruler to solve the problems existing in the prior art. Utility Model Content

[0005] In view of this, the main purpose of this utility model is to provide a pressure vessel corner measuring ruler to solve the problem that the current corner measuring technology is difficult to adapt to the actual needs of pressure vessel manufacturing, installation and inspection sites for portability, immediacy, manual operation and intuitive reading of specific deviation values.

[0006] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0007] A pressure vessel edge detection ruler includes a main ruler and a secondary ruler. The main ruler is connected to the secondary ruler via a rotating shaft. Both the main ruler and the secondary ruler are provided with an indicating mechanism and a level bubble. The indicating mechanism is located at the free end of the main ruler and the secondary ruler. A detection mechanism is also movably arranged on the front side of the main ruler.

[0008] In a preferred embodiment, the detection mechanism includes a detection ruler and a slider. The slider is slidably disposed in a groove on the front side of the main ruler and is connected to the detection ruler through a pressing member. The detection ruler is rotatably disposed on the front side of the main ruler and has continuous graduations on its surface.

[0009] In a preferred embodiment, the end of the detection ruler near the slider is tapered.

[0010] In a preferred embodiment, a groove is provided on the inner side of the end of the measuring ruler away from the slider, and a positioning block is provided in the groove by a spring. The end of the positioning block extending to the outside of the groove is spherical and matches the groove.

[0011] In a preferred embodiment, the groove is a trapezoidal groove that matches the slider structure, and a threaded connecting post is also provided on the slider. The threaded connecting post extends to the outside of the groove and is threadedly connected to the extruder.

[0012] In a preferred embodiment, the lower end of the groove is connected to a relief opening, which is matched with the slider.

[0013] In a preferred embodiment, a transparent acrylic plate is provided at the front end of both the main scale and the secondary scale. The acrylic plate is located in front of the indicating mechanism. A scale ring is provided on the acrylic plate to match the indicator needle of the indicating mechanism. A groove is provided at the rear end of both the main scale and the secondary scale. The groove communicates with the acrylic plate, and the indicating mechanism is disposed in the groove.

[0014] In a preferred embodiment, the indicating mechanism includes a pressure plate and an indicating needle disk; the pressure plate is threadedly connected to a groove; the indicating needle disk is fixedly disposed in the groove and matches the pressure plate.

[0015] In a preferred embodiment, the indicator needle is rotatably mounted on the needle bar of the indicator needle disk by a fixing member, and is located on the side close to the acrylic plate, matching the acrylic plate.

[0016] In a preferred embodiment, the front surfaces of both the main scale and the secondary scale are provided with continuous graduation strips, and a clearance groove is provided on the rear side of the main scale, the clearance groove matching the secondary scale.

[0017] Compared with the prior art, this utility model provides a pressure vessel corner measuring ruler, which has the following beneficial effects:

[0018] 1. By rotating the main ruler and the auxiliary ruler, the total length of the measuring ruler can be flexibly adjusted: the auxiliary ruler can rotate relative to the main ruler around the pivot, which can form a straight ruler parallel to the main ruler to measure the length of the edge, and can also adjust the angle to match the curvature of the edge, so as to meet the measurement needs of different shaped edges.

[0019] 2. The slider is installed in the front groove of the main scale, and can be quickly moved to the corner position along the groove. The measuring scale is fixed by the extrusion part. The operation is simple and the positioning is accurate, which significantly improves the adaptability of the equipment to different working conditions.

[0020] 3. When the main scale and the vernier scale are parallel, they form a straight ruler. With the scale difference of the end indicator mechanism, the length and straightness of the edge can be detected. After adjusting the angle of the vernier scale to match the curvature of the edge, the curvature of the edge can be quantitatively determined by the scale difference of the two end indicator needles on the acrylic plate. When the vernier scale is retracted, the detection scale is attached to the top of the edge, and its height points to the scale of the main scale to measure the height of the edge. The continuous scale on the surface can directly read the width of the edge. This realizes the integrated detection of multiple parameters such as length, straightness, curvature, height, and width, which greatly improves the detection efficiency.

[0021] 4. The bubble level on the main scale and vernier scale can help adjust the measuring scale to a horizontal or vertical position, ensuring the accuracy of the measurement reference.

[0022] 5. This measuring ruler integrates the functions of a straightedge, angle gauge, height gauge, and width gauge, enabling multi-parameter testing of edges and corners without tool changes, reducing equipment carrying capacity and operational steps. Its simple structure and adjustable components make it suitable for various testing scenarios in pressure vessel manufacturing and maintenance, lowering testing costs and improving the convenience and economy of on-site testing. It solves the problem that current edge and corner testing technologies are unable to meet the practical needs of pressure vessel manufacturing, installation, and inspection sites for portability, immediacy, manual operation, and intuitive reading of specific deviation values. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0024] Figure 1 This is a structural schematic diagram of the pressure vessel corner detection ruler of this utility model from the main viewing angle;

[0025] Figure 2 This is a structural schematic diagram of the back view angle of the pressure vessel corner measuring ruler of this utility model;

[0026] Figure 3 This is a schematic diagram of the structure of the indicator needle disc of this utility model;

[0027] Figure 4 This is a schematic diagram of the main scale of this utility model;

[0028] Figure 5 This is a schematic diagram of the structure of the measuring ruler of this utility model;

[0029] Figure 6 This utility model Figure 4 A magnified view of a section at point A in the middle;

[0030] Figure 7 This utility model Figure 4 A magnified view of a section at point B.

[0031] [Explanation of Key Component Symbols]

[0032] 1. Main scale; 11. Slide groove; 12. Embedded groove; 13. Relief groove; 14. Relief opening; 2. Vernier scale; 3. Rotating shaft; 4. Detection mechanism; 41. Detection ruler; 42. Extrusion part; 43. Shim; 44. Slider; 45. Threaded connecting column; 46. Positioning block; 47. Spring; 5. Indicating mechanism; 51. Pressure plate; 52. Indicator needle plate; 53. Indicator needle; 54. Fixing part; 6. Acrylic plate; 7. Spirit level. Detailed Implementation

[0033] The structure of the pressure vessel corner measuring ruler will be further described in detail below with reference to the accompanying drawings and embodiments of this utility model.

[0034] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0035] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments as described in this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0036] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented, for example, in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0037] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0038] As per the instruction manual Figures 1-7 As shown, this utility model provides a technical solution:

[0039] A pressure vessel edge inspection ruler includes a main ruler 1 and a secondary ruler 2. One end of the main ruler 1 is connected to the secondary ruler 2 via a rotating shaft 3, which extends the length of the inspection ruler by relative rotation of the main ruler 1 and the secondary ruler 2 during use, enabling the inspection of the length and straightness of edge corners of different lengths. A detection mechanism 4 is movably mounted on the front side of the main ruler 1, used in conjunction with the main ruler 1 to detect the height and width of the edge corner. Indicating mechanisms 5 are provided at the free ends of both the main ruler 1 and the secondary ruler 2 to indicate the length and straightness of the edge corner. A spirit level 7 is provided on both the main ruler 1 and the secondary ruler 2 to calibrate their horizontal and vertical alignment during use.

[0040] In the above description, during the inspection, the main scale 1 and the auxiliary scale 2 are rotated by the rotating shaft 3 to adjust their relative positions and extend the length of the inspection scale, so that it can adapt to the inspection requirements of different lengths of corners; the indicating mechanism 5 can display the inclination and curvature of the corners in real time; the inspection mechanism 4 moves along the front side of the main scale 1, and in conjunction with the scale or measurement function of the main scale 1, it can complete the accurate detection of the height and width of the corners; at the same time, by observing the level bubble on the main scale 1 and the auxiliary scale 2, the inspection scale can be adjusted to a horizontal or vertical state to ensure the accuracy of the measurement benchmark, and finally achieve efficient and accurate multi-dimensional (length, straightness, height, width) inspection of the corners of pressure vessels.

[0041] In a preferred embodiment, such as Figure 1 , Figure 2 and Figure 4 As shown, the front surfaces of both the main scale 1 and the secondary scale 2 are provided with continuous scale bars, which facilitates reading the length of the edges and corners through the scale bars during use.

[0042] In a preferred embodiment, such as Figure 1 and Figure 2 As shown, a clearance groove 13 is provided on the rear side of the main ruler 1. The clearance groove 13 is used in conjunction with the secondary ruler 2 to facilitate the storage of the secondary ruler 2 when it is put away.

[0043] In a preferred embodiment, such as Figure 1 and Figure 2 As shown, transparent acrylic plates 6 are installed on the front ends of the main ruler 1 and the secondary ruler 2. The acrylic plates 6 are located in front of the indicating mechanism 5, and a ring of scale is provided on the acrylic plates 6 to cooperate with the indicating needle 53 of the indicating mechanism 5. A groove 12 is provided on the rear ends of the main ruler 1 and the secondary ruler 2 to communicate with the acrylic plates 6, and the indicating mechanism 5 is installed in the groove 12.

[0044] In a preferred embodiment, such as Figure 1 , Figure 2 and Figure 3 As shown, the indicating mechanism 5 includes a pressure plate 51, an indicating needle disk 52, and an indicating needle 53. The pressure plate 51 is threadedly connected to the groove 12 to fix the indicating needle disk 52. The indicating needle disk 52 is fixedly installed in the groove 12 and works in conjunction with the pressure plate 51. The indicating needle 53 is rotatably mounted on the needle bar of the indicating needle disk 52 via a fixing member 54 and is located on the side close to the acrylic plate 6. It works in conjunction with the acrylic plate 6 and is used to indicate the corresponding scale through the indicating needle 53 during use. The inclination of the edge can be read through the acrylic plate 6. At the same time, the level bulbs on the main scale 1 and the auxiliary scale 2 can help adjust the measuring scale to a horizontal or vertical state, further improving the measurement accuracy and ultimately achieving accurate detection of multiple parameters (length, straightness, height, width, and inclination) of the pressure vessel's edge.

[0045] In a preferred embodiment, such as Figure 1 , Figure 4 , Figure 5 , Figure 6 Figure 7 As shown, the detection mechanism 4 includes a detection ruler 41 and a slider 44. The slider 44 is slidably installed in the groove 11 on the front side of the main ruler 1 and is connected to the detection ruler 41 through the pressing member 42. The detection ruler 41 is rotatably installed on the outside of the main ruler 1. Continuous scales are provided on the surface of the detection ruler 41. It cooperates with the main ruler 1 to form a horizontal ruler for detecting the height and width of the edge. The height of the edge is measured by the height of the detection ruler 41 on the main ruler 1, and the width of the edge is measured by the scale of the detection ruler 41 itself.

[0046] Specifically, such as Figure 1 and Figure 4As shown, the end of the measuring ruler 41 near the slider 44 is a tapered end, which is used to measure the installation height of the measuring ruler 41, that is, the height of the edge, by pointing the tapered end on the scale of the main ruler 1.

[0047] Specifically, such as Figure 4 and Figure 7 As shown, a slot is provided on the inner side of the end of the measuring ruler 41 away from the slider 44, and a positioning block 46 is installed in the slot by a spring 47. The end of the positioning block 46 extending to the outside of the slide groove 11 is spherical and works in conjunction with the slide groove 11 to fix the measuring ruler 41 when it is not in use, so as to prevent the measuring ruler 41 from shaking.

[0048] Specifically, such as Figure 1 and Figure 4 As shown, the lower end of the slide groove 11 is connected to the relief opening 14, and the width of the opening of the relief opening 14 is greater than that of the slide groove 11, which facilitates the installation of the slider 44 during use.

[0049] Specifically, such as Figure 4 and Figure 5 As shown, the slide groove 11 is a trapezoidal groove that matches the structure of the slider 44, and a threaded connecting post 45 is also provided on the slider 44. The threaded connecting post 45 extends to the outside of the slide groove 11 and is threadedly connected to the extruder 42. During use, the position of the slider 44 is positioned by rotating the extruder 42.

[0050] Specifically, such as Figure 1 , Figure 4 and Figure 6 As shown, a gasket 43 is also fitted onto the threaded connecting post 45.

[0051] The usage process and operating principle of the pressure vessel corner measuring ruler described in this utility model include:

[0052] When it is necessary to measure the length of the edge, adjust the auxiliary ruler 2 to rotate relative to the main ruler 1 so that the main ruler 1 and the auxiliary ruler 2 are parallel to each other, forming a horizontal ruler, which facilitates the measurement of the length of the edge;

[0053] When it is necessary to detect the curvature of the edge, adjust the rotation of the auxiliary ruler 2 relative to the main ruler 1 so that its rotation angle matches the curvature of the edge. Then, use the scale difference of the indicating mechanism 5 at the ends of the main ruler 1 and the auxiliary ruler 2 to determine the curvature of the edge.

[0054] When it is necessary to measure the width and height of the edge, the auxiliary ruler 2 is retracted, and the lower end of the main ruler 1 is placed against the side wall of the pressure vessel adjacent to the edge. Then, the height of the edge is measured by the measuring ruler 41, and the width of the edge is measured by the scale strip on the measuring ruler 41, so as to achieve simultaneous measurement of width and height.

[0055] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the scope of protection of the present utility model.

Claims

1. A pressure vessel corner measuring ruler, characterized in that, It includes a main scale (1) and a secondary scale (2). The main scale (1) is connected to the secondary scale (2) via a rotating shaft (3). An indicating mechanism (5) and a level bubble (7) are provided on both the main scale (1) and the secondary scale (2). The indicating mechanism (5) is located at the free end of the main scale (1) and the secondary scale (2). A detection mechanism (4) is also movably provided on the front side of the main scale (1).

2. The pressure vessel corner measuring ruler as described in claim 1, characterized in that, The detection mechanism (4) includes a detection ruler (41) and a slider (44). The slider (44) is slidably disposed in the groove (11) on the front side of the main ruler (1) and is connected to the detection ruler (41) through a pressing member (42). The detection ruler (41) is rotatably disposed on the front side of the main ruler (1) and has continuous scales on its surface.

3. A pressure vessel corner measuring ruler as described in claim 2, characterized in that, The end of the detection ruler (41) near the slider (44) is tapered.

4. A pressure vessel corner measuring ruler as described in claim 2, characterized in that, The inner side of the end of the measuring ruler (41) away from the slider (44) is provided with a slot, and a positioning block (46) is provided in the slot by means of a spring (47). The end of the positioning block (46) extending to the outside of the slide groove (11) is spherical and matches the slide groove (11).

5. A pressure vessel corner measuring ruler as described in claim 2, characterized in that, The groove (11) is a trapezoidal groove that matches the structure of the slider (44), and a threaded connecting post (45) is also provided on the slider (44). The threaded connecting post (45) extends to the outside of the groove (11) and is threadedly connected to the extruder (42).

6. A pressure vessel corner measuring ruler as described in claim 2, characterized in that, The lower end of the slide (11) is connected to the relief port (14), which is matched with the slider (44).

7. A pressure vessel corner measuring ruler as described in claim 1, characterized in that, The front ends of the main scale (1) and the secondary scale (2) are provided with transparent acrylic plates (6). The acrylic plates (6) are located in front of the indicating mechanism (5). A ring of scales is provided on the acrylic plates (6) to match the indicating needle (53) of the indicating mechanism (5). A groove (12) is provided at the rear ends of the main scale (1) and the secondary scale (2). The groove (12) is connected to the acrylic plates (6). The indicating mechanism (5) is located in the groove (12).

8. A pressure vessel corner measuring ruler as described in claim 7, characterized in that, The indicating mechanism (5) includes a pressure plate (51) and an indicating needle plate (52); the pressure plate (51) is threadedly connected to the groove (12); the indicating needle plate (52) is fixedly disposed in the groove (12) and matches the pressure plate (51).

9. A pressure vessel corner measuring ruler as described in claim 8, characterized in that, The indicator needle (53) is rotatably mounted on the needle bar on the indicator needle plate (52) via a fixing member (54) and is located on the side close to the acrylic plate (6), matching the acrylic plate (6).

10. A pressure vessel corner measuring ruler as described in claim 1, characterized in that, The front surfaces of the main scale (1) and the secondary scale (2) are provided with continuous scale bars, and a relief groove (13) is provided on the rear side of the main scale (1), which matches the secondary scale (2).

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