Universal bevel protractor for electromechanical pipeline prefabrication

Abstract

The utility model discloses a universal bevel protractor for prefabrication and assembly of electromechanical pipelines, belongs to the technical field of universal bevel protractors, and solves the problems of complicated operation and low measurement efficiency caused by the fact that the universal bevel protractor needs to be reassembled for workpieces with different angle ranges in the prior art. The angle measuring device comprises an angle measuring disc with scales, a straight fixed ruler fixedly arranged on the angle measuring disc, and a straight movable ruler which is rotatably arranged on the angle measuring disc and is matched with the straight fixed ruler to measure the angle of a workpiece to be measured. The angle measuring device is used for measuring the angle of the workpiece in the electromechanical pipeline prefabrication assembly.

Description

Technical Field

[0001] A universal angle gauge for prefabrication and assembly of electromechanical pipelines is used for measuring the angle of workpieces in the prefabrication and assembly of electromechanical pipelines, and belongs to the technical field of universal angle gauges. Background Technology

[0002] In the existing technology, the universal angle rulers used in the prefabrication and assembly of electromechanical pipelines include base rulers (including arc-shaped main rulers and sector-shaped auxiliary rulers), right-angle rulers, and knife-edge rulers.

[0003] When measuring angles between 0 and 50 degrees, both the right-angle ruler and the knife-edge ruler need to be mounted on the base ruler. In the prefabrication and assembly of electromechanical pipelines, the workpiece to be measured is placed between the measuring surfaces of the right-angle ruler and the knife-edge ruler for measurement.

[0004] To measure angles between 50 and 140 degrees, remove the right-angle ruler and install the knife-edge ruler in its place, connecting it to the base ruler. Place the part of the workpiece to be measured between the measuring surfaces of the base ruler and the knife-edge ruler. Alternatively, without removing the right-angle ruler, simply remove the knife-edge ruler and the clip holding it in place, then pull the right-angle ruler down until the intersection of its short and long sides is below the sharp edge of the base ruler. Place the workpiece to be measured between the measuring surfaces of the base ruler and the short side of the right-angle ruler.

[0005] To measure an angle between 140 and 230 degrees, remove the knife-edge ruler and the clamp that holds the knife-edge ruler in place, and only install the angle ruler. Push the angle ruler up until the intersection of the short and long sides of the angle ruler aligns with the sharp edge of the base ruler. Place the workpiece to be measured between the measuring surfaces of the base ruler and the short side of the right-angle ruler for measurement.

[0006] To measure an angle between 230 and 320 degrees, remove all the knife-edge ruler, right-angle ruler, and the clamps that hold the knife-edge ruler and right-angle ruler in place, leaving only the base ruler. Place the workpiece to be measured between the measuring surfaces of the base ruler and take the measurement.

[0007] The following technical problems exist with the universal angle gauges used in the prefabrication and assembly of electromechanical pipelines in the existing technology:

[0008] For workpieces with different angle ranges, the universal angle gauge needs to be reassembled, which leads to complicated operation and low measurement efficiency. Utility Model Content

[0009] The purpose of this utility model is to provide a universal angle gauge for the prefabrication and assembly of electromechanical pipelines, which solves the problem that the existing technology requires the reassembly of the universal angle gauge for workpieces with different angle ranges, resulting in complicated operation and low measurement efficiency.

[0010] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0011] A universal angle gauge for prefabrication and assembly of electromechanical pipelines includes a graduated protractor, a fixed ruler fixedly mounted on the protractor, and a rotatable ruler mounted on the protractor and cooperating with the fixed ruler to measure the angle of the workpiece.

[0012] Furthermore, either adjacent side of the fixed ruler and the movable ruler is located on the plane where the center of the circle is located, and the adjacent ends are located near the center of the circle;

[0013] The fixed ruler and the moving ruler located on one side of the center are inclined surfaces, and the high end is located on the side of the plane containing the center.

[0014] Furthermore, the angle between the inclined surfaces of the fixed ruler and the movable ruler and one side of the plane containing the center of the circle is 5°-20°.

[0015] Furthermore, the straight ruler includes a lower fixed ruler fixedly mounted on the protractor and an upper fixed ruler mounted on the lower fixed ruler, located on one side of the center. The upper fixed ruler has an inclined surface, and a cavity is provided below the upper fixed ruler to accommodate the inclined surface of the straight ruler.

[0016] Furthermore, located on one side of the center, the lower fixed ruler is provided with an inclined surface parallel to the inclined surface on the upper fixed ruler. When the inclined surface on the linear ruler is located in the plane where the center of the circle is located, the inclined surface of the lower fixed ruler is in contact with one side of the linear ruler, and the opposite side of the linear ruler on the side where the inclined surface of the upper fixed ruler is in contact with the inclined surface of the lower fixed ruler is on the same horizontal plane.

[0017] Furthermore, when the linear actuator is engaged with the cavity, the upper surface of the linear actuator contacts the lower surface of the upper fixed actuator.

[0018] Furthermore, an observation port is provided on the linear ruler located on one side of the plane where the center of the circle is located to observe the scale corresponding to the linear ruler.

[0019] Furthermore, an annular T-groove is provided on the upper surface and / or edge of the protractor, and a T-shaped slider is provided on the linear ruler to slide in conjunction with the annular T-groove.

[0020] Furthermore, the linear measuring ruler is provided with a threaded hole, and a bolt is threaded onto the threaded hole to either contact or de-contact the protractor.

[0021] Compared with the prior art, the advantages of this utility model are:

[0022] I. This utility model sets a fixed ruler and a moving ruler on the protractor. By adjusting the moving ruler to cooperate with the fixed ruler on the protractor to form an angle, it is possible to measure the angle of workpieces with different angle ranges. There is no need to reassemble the universal protractor, which makes the operation simple and the measurement efficiency high. In addition, the protractor can also support the workpiece being measured.

[0023] II. This utility model specifies that either adjacent side of the fixed ruler and the movable ruler is located on the plane where the center of the circle is located, and the adjacent ends are located near the center of the circle. The fixed ruler and the movable ruler located on one side of the center of the circle are inclined surfaces, and the side of the plane where the center of the circle is located is the high end. The purpose is to facilitate the rotation of the movable ruler on the protractor by adjusting it, and to measure the angle by matching the angle formed by the high end of the inclined surfaces of the movable ruler and the fixed ruler with the workpiece being measured (so that the fixed ruler and the movable ruler located on one side of the plane where the center of the circle is located are in close contact with the workpiece being measured). The operation is convenient and the measurement is easy.

[0024] Third, this utility model limits the angle between the inclined surface of the fixed ruler and the movable ruler and one side of the plane where the center of the circle is located to 5°-20°. The purpose is to facilitate the setting of the maximum value of the measurement angle of the workpiece to be measured according to actual needs, so as to effectively avoid the problem that the angle of the workpiece to be measured is too large to be measured.

[0025] IV. The straight ruler in this utility model includes a lower fixed ruler and an upper fixed ruler. The purpose is to facilitate the setting of a cavity on the inclined surface side of the upper fixed ruler to accommodate the straight ruler, so as to further increase the maximum value of the measurement angle of the workpiece being measured, and effectively avoid the problem that the angle of the workpiece being measured is too large to be measured.

[0026] V. This utility model specifies that the lower fixed ruler is provided with an inclined surface parallel to the inclined surface on the upper fixed ruler. The purpose is to make it so that when the inclined surface on the linear ruler is located in the plane of the center of the circle where the linear fixed ruler is located, the inclined surface of the lower fixed ruler contacts one side of the linear ruler. The opposite side of the linear ruler on the side of the inclined surface of the upper fixed ruler and the inclined surface of the lower fixed ruler are located on the same horizontal plane. This facilitates further increasing the maximum value of the measurement angle of the workpiece being measured. At the same time, when the maximum value of the measurement angle is reached, the linear ruler can be moved and limited.

[0027] VI. When the linear measuring ruler is used in conjunction with the cavity, the upper surface of the linear measuring ruler is in contact with the lower surface of the upper fixed ruler to ensure that the workpiece being measured can be used in conjunction with the linear and fixed rulers for angle measurement, thus avoiding the problem that the workpiece being measured is too thin to be used in conjunction with the linear and fixed rulers.

[0028] VII. The purpose of setting an observation port on the linear ruler in this utility model is to facilitate quick and intuitive observation of the value of the scale corresponding to the linear ruler, that is, the angle value of the workpiece being measured;

[0029] 8. The present invention provides an annular T-groove on the upper surface and / or edge of the protractor, and a T-shaped slider on the linear ruler that slides in conjunction with the annular T-groove. The purpose is to facilitate limiting the rotation of the linear ruler along the center of the protractor, so as to facilitate the measurement of the angle of the workpiece in conjunction with the fixed ruler.

[0030] 9. This utility model provides a threaded hole on the linear ruler and a bolt that engages with the threaded hole. The bolt is used to contact or disconnect the linear ruler from the protractor, so as to facilitate the linear ruler being fixed to the protractor for transportation or to be unfixed for angle measurement. Attached Figure Description

[0031] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0032] Figure 1 This is a schematic diagram of the structure of the present invention for measuring the angle formed by tilting the workpiece by 180° or by tilting the fixed ruler and the moving ruler;

[0033] Figure 2 for Figure 1 A structural diagram of the other side;

[0034] Figure 3 This is a schematic diagram of the structure in which the linear ruler and the cavity are fully fitted together in this utility model;

[0035] Figure 4 This is a schematic diagram of the structure of the linear motion ruler with a T-shaped slider in this utility model;

[0036] Figure 5 This is a schematic diagram of the straight ruler in this utility model;

[0037] Figure 6 This is a schematic diagram of the structure for measuring the first type of workpiece in this utility model;

[0038] Figure 7 This is a schematic diagram of the structure for measuring the second type of workpiece in this utility model;

[0039] Figure 8 This is a schematic diagram of the structure for measuring the third type of workpiece in this utility model;

[0040] In the diagram: 1-scale, 2-protractor, 3-fixed ruler, 4-moving ruler, 5-lower fixed ruler, 6-upper fixed ruler, 7-cavity, 8-observation port, 9-annular T-slot, 10-T-slider, 11-threaded hole, 12-bolt, 13-workpiece being measured. Detailed Implementation

[0041] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0042] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0043] In the description of this utility model, it should be noted that if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" appear to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0044] Furthermore, the terms "first," "second," and "third" are used only for distinguishing descriptions and should not be interpreted as indicating or implying relative importance.

[0045] Furthermore, the use of terms such as "horizontal," "vertical," and "suspended" does not imply that the component must be absolutely horizontal or suspended, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0046] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0047] It should be noted that, where there is no conflict, the features in the embodiments of this utility model can be combined with each other.

[0048] Example 1

[0049] To address the problem that existing technologies require reassembling universal angle gauges for workpieces with varying angle ranges, resulting in complex operations and low measurement efficiency, such as... Figure 1-5 As shown, a universal angle gauge for prefabrication and assembly of electromechanical pipelines is provided, including a protractor 2 with a scale 1, a fixed ruler 3 fixedly mounted on the protractor 2, and a linear ruler 4 rotatably mounted on the protractor 2 and cooperating with the fixed ruler 3 to measure the angle of the workpiece being measured.

[0050] In practice, the protractor 2 can be placed on a flat surface. First, adjust the linear measuring ruler 4 to rotate on the protractor 2 so that the linear measuring ruler and the fixed measuring ruler align on one side of the center and are placed into the angle to be measured on the workpiece (e.g., measuring the bottom inner angle of a V-shaped workpiece) or encircling the angle to be measured (e.g., measuring the bottom outer angle of a V-shaped workpiece). Then, adjust the rotation of the linear measuring ruler so that the fixed measuring ruler and the linear measuring ruler are in contact with the workpiece. At this point, the angle of the workpiece can be determined by the scale corresponding to the fixed measuring ruler and the scale corresponding to the linear measuring ruler. For example, if the scale corresponding to the fixed measuring ruler is 0 degrees and the scale corresponding to the linear measuring ruler is 60 degrees, then the angle of the workpiece being measured is 60 degrees. Figure 6 As shown, the 90-degree mark on the linear measuring scale indicates that the angle of the workpiece being measured is 90 degrees. Figure 7 As shown, if the linear scale corresponds to 244 degrees, the angle of the workpiece being measured is 244 degrees. Figure 8 As shown. In this embodiment, by setting a fixed ruler and a moving ruler on the protractor, and adjusting the moving ruler to cooperate with the fixed ruler on the protractor to form an angle, angle measurements can be performed on workpieces with different angle ranges. There is no need to reassemble the universal protractor, making the operation simple and the measurement efficiency high. In addition, the protractor can also support the workpiece being measured.

[0051] Example 2

[0052] Based on Embodiment 1, any adjacent side of the fixed ruler 3 and the movable ruler 4 is located on the plane containing the center of the circle, and the adjacent ends are positioned near the center of the circle, such as 1mm-10mm away from the center; the fixed ruler 3 and the movable ruler 4 located on one side of the center of the circle are inclined surfaces, and the side located on the plane containing the center of the circle is the high end. Figure 1 As shown, the sharpest points of the fixed ruler 3 and the movable ruler 4 are the high end of the inclined surface. The high end is always located in the plane of the center of the circle. The purpose is to facilitate the rotation of the movable ruler on the protractor by adjusting it. The angle formed by the high end of the inclined surface of the movable ruler and the fixed ruler is matched with the workpiece to be measured (so that the fixed ruler and the movable ruler located on one side of the plane of the center of the circle can fit in close contact with the workpiece to be measured) for angle measurement. The operation is convenient and the measurement is easy.

[0053] Example 3

[0054] Based on Example 2, the angle between the inclined surface of the fixed ruler 3 and the inclined plane of the movable ruler 4 and one side of the plane containing the center of the circle is 5°-20°, such as 10° and 15°. The purpose is to facilitate setting the maximum value of the measurement angle of the workpiece to be measured according to actual needs, so as to effectively avoid the problem that the angle of the workpiece to be measured is too large to be measured. For example, when the angle between the inclined surface and one side of the plane containing the center of the circle is 20°, the maximum angle that can be measured is 320° (the same as the maximum value measured by the existing universal angle ruler), and when it is 5°, the maximum angle that can be measured is 350°.

[0055] Example 4

[0056] Based on Embodiment 3, the straightening ruler 3 includes a lower fixed ruler 5 fixedly mounted on the protractor 2 and an upper fixed ruler 6 mounted on the lower fixed ruler 5, located on one side of the center. The upper fixed ruler 6 has an inclined surface, and a cavity 7 is provided below the upper fixed ruler 6 to accommodate the inclined surface of the linear measuring ruler 4. The straightening ruler includes a lower fixed ruler and an upper fixed ruler to facilitate the setting of a cavity below the upper fixed ruler to accommodate the inclined surface of the linear measuring ruler, thereby further increasing the maximum value of the measurement angle of the workpiece being measured and effectively avoiding the problem of the workpiece being unable to be measured due to excessively large angles. For example, when the angle between the inclined surface and one side of the plane where the center is located is 20°, the maximum measurable angle is greater than 320° and less than or equal to 340°; when it is 5°, the maximum measurable angle is greater than 350° and less than or equal to 355°.

[0057] Example 5

[0058] Based on Example 4, an inclined surface parallel to the inclined surface on the upper fixed ruler 6 is provided on the lower fixed ruler 5, located on one side of the center. When the inclined surface on the linear ruler 4 is located in the plane where the fixed ruler 3 is located, the inclined surface of the lower fixed ruler 5 contacts one side of the linear ruler 4. The opposite side of the linear ruler 4 on the side where the inclined surface of the upper fixed ruler 6 contacts the inclined surface of the lower fixed ruler 5 is on the same horizontal plane. This is to ensure that when the inclined surface on the linear ruler is located in the plane where the fixed ruler is located, the inclined surface of the lower fixed ruler contacts one side of the linear ruler, and the opposite side of the linear ruler on the side where the inclined surface of the upper fixed ruler contacts the inclined surface of the lower fixed ruler is on the same horizontal plane. This facilitates further increasing the maximum value of the measurement angle of the workpiece being measured. At the same time, when the maximum measurement angle is reached, the linear ruler can be moved and limited. For example, when the angle between the inclined surface and one side of the plane where the center is located is 20°, the maximum measurable angle is 340°; when it is 5°, the maximum measurable angle is 355°.

[0059] Example 6

[0060] Based on embodiment 5, when the linear ruler 4 is engaged with the cavity 7, the upper surface of the linear ruler 4 is in contact with the lower surface of the upper fixed ruler 6 to ensure that the workpiece being measured can be engaged with the linear fixed ruler and the linear ruler for angle measurement, thus avoiding the problem that the workpiece being measured is too thin to be engaged with the linear fixed ruler and the linear ruler.

[0061] Example 7

[0062] Based on Example 6, an observation port 8 is provided on the linear ruler 4 located on one side of the plane containing the center of the circle to observe the scale 1 corresponding to the linear ruler 4. The purpose of providing an observation port on the linear ruler is to facilitate quick and intuitive observation of the value of the scale corresponding to the linear ruler, that is, the angle value of the workpiece being measured. Of course, in practice, the linear ruler 4 can also be made of transparent material, which, in conjunction with the observation port, makes it easier to read the scale data.

[0063] Example 8

[0064] Based on embodiment 7, an annular T-groove 9 is provided on the upper surface and / or edge of the protractor 2, and a T-shaped slider 10 is provided on the linear ruler 4 to slide in cooperation with the annular T-groove 9. When the linear ruler 4 rotates on the protractor, the T-shaped slider 10 slides in cooperation with the annular T-groove 9 to ensure that the linear ruler 4 does not disengage from the protractor, and can rotate around the center, which facilitates limiting the rotation of the linear ruler around the center of the protractor, so as to facilitate the measurement of the angle of the workpiece in cooperation with the fixed ruler.

[0065] Example 9

[0066] Based on embodiment 8, the linear measuring ruler 4 is provided with a threaded hole 11, and a bolt 12 is threaded onto the threaded hole 11, which can either contact or not contact the protractor 2. The threaded hole on the linear measuring ruler, and the bolt engaging with it, and the bolt contacting or not contacting the protractor, facilitates fixing the linear measuring ruler to the protractor for transportation or removing it for angle measurement. In practice, the bolt 12 can also serve as a rotating handle for the linear measuring ruler.

Claims

1. A universal angle gauge for prefabrication and assembly of electromechanical pipelines, characterized in that: It includes a protractor (2) with scale (1), a fixed ruler (3) fixed on the protractor (2), and a linear ruler (4) rotatably mounted on the protractor (2) and used in conjunction with the fixed ruler (3) to measure the angle of the workpiece.

2. The universal angle gauge for prefabrication and assembly of electromechanical pipelines according to claim 1, characterized in that: The fixed ruler (3) and the movable ruler (4) are located on the plane where the center of the circle is located, and the adjacent ends are located near the center of the circle. The fixed ruler (3) and the moving ruler (4) located on one side of the center of the circle are inclined surfaces and are located on the side of the plane where the center of the circle is located, which is the high end.

3. A universal angle gauge for prefabrication and assembly of electromechanical pipelines according to claim 2, characterized in that: The angle between the inclined surfaces of the fixed ruler (3) and the movable ruler (4) and one side of the plane containing the center of the circle is 5°-20°.

4. A universal angle gauge for prefabrication and assembly of electromechanical pipelines according to claim 3, characterized in that: The straight ruler (3) includes a lower fixed ruler (5) fixedly mounted on the protractor (2) and an upper fixed ruler (6) mounted on the lower fixed ruler (5), located on one side of the center. The upper fixed ruler (6) has an inclined surface, and the upper fixed ruler (6) has a cavity (7) on one side of the inclined surface that accommodates the linear ruler (4).

5. A universal angle gauge for prefabrication and assembly of electromechanical pipelines according to claim 4, characterized in that: Located on one side of the center, the lower fixed ruler (5) is provided with an inclined surface that is parallel to the inclined surface on the upper fixed ruler (6). When the inclined surface on the linear ruler (4) is located in the plane where the center of the circle is located, the inclined surface of the lower fixed ruler (5) is in contact with one side of the linear ruler (4). The opposite side of the linear ruler (4) on the side where the inclined surface of the upper fixed ruler (6) is in contact with the inclined surface of the lower fixed ruler (5) is located on the same horizontal plane.

6. A universal angle gauge for prefabrication and assembly of electromechanical pipelines according to claim 5, characterized in that: When the linear ruler (4) is engaged with the cavity (7), the upper surface of the linear ruler (4) is in contact with the lower surface of the upper fixed ruler (6).

7. A universal angle gauge for prefabrication and assembly of electromechanical pipelines according to claim 6, characterized in that: An observation port (8) is provided on the linear ruler (4) located on one side of the plane where the center of the circle is located to observe the scale (1) corresponding to the linear ruler (4).

8. A universal angle gauge for prefabrication and assembly of electromechanical pipelines according to any one of claims 1-7, characterized in that: The upper surface and / or edge of the protractor (2) are provided with an annular T-groove (9), and the linear ruler (4) is provided with a T-shaped slider (10) that slides in cooperation with the annular T-groove (9).

9. The universal angle gauge for prefabrication and assembly of electromechanical pipelines according to claim 8, characterized in that: The linear ruler (4) is provided with a threaded hole (11), and a bolt (12) is threaded on the threaded hole (11) to contact or not contact the protractor (2).

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