Locating and lofting tool for bending of bridge frame at any angle

Abstract

The utility model provides a positioning lofting tool for bending a bridge frame at any angle, which comprises a horizontal fixed ruler, a semicircular ruler, an inclined scale and a vertical scale, the semicircular ruler is fixedly connected to one end of the horizontal fixed ruler, one end of the inclined scale is hinged to the circle center of the semicircular ruler, and the other end of the inclined scale is slidably connected to the vertical scale. A positioning slide block is arranged at the intersection of the vertical scale and the inclined scale and is used for locking the inclined scale; the method has the effects of reducing the calculation difficulty, reducing the construction technical threshold and improving the construction efficiency.

Description

Technical Field

[0001] This utility model relates to the field of auxiliary tools for building construction, specifically to a tool for bending, positioning, and laying out cable trays at any angle. Background Technology

[0002] Currently, in building electrical construction, cable tray bending and layout is a crucial step in pipeline installation. In traditional methods, the bending angles in the cable tray bending and layout drawings are usually conventional angles such as 30°, 45°, and 60°. Given the bending height or horizontal distance, workers manually calculate the length of the bending hypotenuse using trigonometric functions (such as the Pythagorean theorem) before assembling the cable trays on a horizontal surface.

[0003] In the current construction phase, technicians use BIM models to create the structures and calculate bending angles. In cases of complex pipelines, the BIM model undergoes specific design adjustments, resulting in non-standard bending angles. However, in actual construction, workers need to flexibly adjust the bending angles based on the installation environment. The adjusted bending angles differ from the model, necessitating recalculation of the bending angle length and model correction. Given the varying educational levels of ordinary workers, calculating the adjusted non-standard bending angles and lengths is challenging, raising the technical barrier and leading to inaccurate material cutting and lower construction efficiency. Utility Model Content

[0004] The purpose of this utility model is to provide a tool for positioning and laying out cable trays at any angle to solve the problems of high technical threshold and low construction efficiency.

[0005] To achieve the above objectives, this utility model provides a cable tray bending and positioning layout tool at any angle, employing the following technical solution:

[0006] A cable tray bending and positioning layout tool at any angle includes a horizontal fixed ruler, a semi-circular ruler, an oblique ruler, and a vertical ruler. The semi-circular ruler is fixedly connected to one end of the horizontal fixed ruler. One end of the oblique ruler is hinged to the center of the semi-circular ruler. The other end of the oblique ruler is slidably connected to the vertical ruler. A positioning slider is provided at the intersection of the vertical ruler and the oblique ruler. The positioning slider is used to lock the oblique ruler.

[0007] As an optimization of a cable tray bending positioning and layout tool at any angle, the inclined ruler is provided with a first track groove along the length direction, the vertical ruler is provided with a second track groove along the length direction, and the positioning slider includes a first joint and a second joint. The first joint is slidably connected to the inner wall of the first track groove, and the second joint is slidably connected to the inner wall of the second track groove.

[0008] As an optimization of a cable tray bending and positioning layout tool at any angle, an angle pointer is set at one end of the inclined scale near the semicircular ruler. The angle pointer is oriented along the length direction of the inclined scale and the angle pointer is the scale mark of the semicircular ruler.

[0009] As an optimization of a cable tray bending positioning and layout tool at any angle, the positioning slider is equipped with a length pointer, the direction of which is perpendicular to the length direction of the inclined scale, and the length pointer points to the scale mark of the inclined scale.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0011] (1) Significantly reduce computational complexity and construction technical threshold: By integrating the angle scale markings of the semicircular ruler, the length scale of the oblique ruler, and the linkage structure of the positioning slider, the angle pointer and the semicircular ruler can directly read the bending angle, and the length pointer combined with the oblique ruler scale can quickly obtain the bending angle length. Workers do not need to rely on trigonometric functions to manually calculate the bending angle length of non-standard angles, which greatly simplifies the traditional calculation process and effectively reduces the technical threshold for construction personnel.

[0012] (2) Enhanced on-site adaptability and flexibility: The sliding connection design of the inclined and vertical rulers allows for dynamic adjustment of the bending angle and height according to the actual construction environment, and enables synchronous calibration of multiple parameters through the linkage track groove. This avoids repeated adjustments and model corrections, significantly shortens material preparation and assembly time, and reduces material waste caused by calculation errors.

[0013] (3) Easy to operate and promote: All scale markings and pointers are marked with intuitive physical marks, without relying on electronic devices or complex training. The tool has a simple structure and low cost, making it suitable for rapid deployment on construction sites. It is especially suitable for scenarios where the educational level of skilled workers varies, which is conducive to its widespread adoption and application in the industry. Attached Figure Description

[0014] 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 based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the overall structure of a cable tray bending and positioning layout tool at any angle according to an embodiment of this application.

[0016] Figure 2 This is a schematic diagram of the overall structure of the positioning slider in an embodiment of this application.

[0017] In the diagram: 1. Horizontal fixed ruler; 2. Semicircular ruler; 3. Diagonal ruler; 31. First track groove; 32. Angle pointer; 4. Vertical ruler; 41. Second track groove; 5. Positioning slider; 51. First joint; 52. Second joint; 53. Length pointer. Detailed Implementation

[0018] To make the technical solution and advantages of this utility model clearer, the present utility model and its beneficial effects will be described in further detail below with reference to specific embodiments and accompanying drawings. However, the embodiments of this utility model are not limited thereto.

[0019] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; 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; they can refer to the internal communication of two components or the interaction between 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.

[0020] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0021] The following is in conjunction with the appendix Figure 1-2 This application will be described in further detail below.

[0022] This application provides a tool for positioning and laying out cable trays at any angle when bending, and adopts the following technical solution:

[0023] Reference Figure 1The cable tray bending and positioning layout tool includes a horizontal fixed ruler 1, a semi-circular ruler 2, an oblique ruler 3, and a vertical ruler 4. The horizontal fixed ruler 1 is a long strip and is usually fixed on the ground, serving as the horizontally placed cable in the model. The semi-circular ruler 2 is semi-circular, with its center fixed to one end of the horizontal fixed ruler 1 by welding or bonding. The curved edge of the semi-circular ruler 2 has angular unit markings, and the end of the horizontal fixed ruler 1 with the semi-circular ruler 2 serves as the starting position for bending the cable tray. The oblique ruler 3 is a long strip with length unit markings on its long straight side. One end of the oblique ruler 3 is hinged to the center of the semi-circular ruler 2, allowing it to rotate around the center. The oblique ruler 3 serves as the inclined side of the bend in the model, and the angle between the oblique ruler 3 and the horizontal fixed ruler 1 is the bending angle. The other end of the oblique ruler 3 is slidably mounted on the vertical ruler 4. The vertical ruler 4 is long and narrow, and is placed vertically on the ground. One long side of the vertical ruler 4 has markings indicating the unit of length. The height of the vertical ruler 4 corresponds to the bending height in the model, and the distance between the vertical ruler 4 and the center of the semicircular ruler 2 corresponds to the horizontal distance in the model. A positioning slider 5 is installed at the intersection of the vertical ruler 4 and the oblique ruler 3. The positioning slider 5 passes through both the vertical ruler 4 and the oblique ruler 3, and by screwing it in place, the oblique ruler 3 is pressed against the vertical ruler 4, locking the oblique ruler 3 relative to the vertical ruler 4. In this embodiment, the positioning slider 5 is a bolt; in other embodiments, the positioning slider 5 can also be a screw, threaded rod, or other rotatable fastener.

[0024] In the preferred embodiment of this application, reference is made to Figure 1 and Figure 2 The oblique scale 3 has a first track groove 31 along its length, and the vertical scale 4 has a second track groove 41 along its length. The positioning slider 5 includes a first connecting part 51 and a second connecting part 52 arranged in layers. Both the first connecting part 51 and the second connecting part 52 can be smooth surfaces on the periphery of the positioning slider 5, or they can be auxiliary sliding parts such as bearings fitted onto the positioning slider 5. The first connecting part 51 is slidably connected to the inner wall of the first track groove 31, and the second connecting part 52 is slidably connected to the inner wall of the second track groove 41. The positioning slider 5 can slide independently in the first track groove 31 or the second track groove 41. At the same time, the positioning slider 5 can link the oblique scale 3 and the vertical scale 4, so that the oblique scale 3 slides relative to the vertical scale 4. It can simulate the position of the bend at different vertical heights and find the optimal position of the bend based on the actual construction situation. For example, with the bend height unchanged, different angles can be adjusted to obtain different horizontal distances, avoiding excessive horizontal distances. This allows for timely adjustment and correction of the model, which is beneficial to improving the flexibility and adaptability of the tool.

[0025] In a preferred embodiment of this application, reference is made to Figure 1 An angle pointer 32 is installed at one end of the inclined ruler 3 near the semicircular ruler 2. The angle pointer 32 is oriented along the length of the inclined ruler 3 and points to the scale markings on the semicircular ruler 2. As the placement of the inclined ruler 3 changes, the angle pointer 32 indicates the direction of the inclined ruler 3 in real time and, by indicating the scale markings on the semicircular ruler 2, visually reflects the bending angle of different placement positions.

[0026] In a preferred embodiment of this application, reference is made to Figure 1 and Figure 2 The positioning slider 5 is equipped with a length pointer 53, which is perpendicular to the length direction of the inclined scale 3 and points to the scale markings on the inclined scale 3. In practice, the length pointer 53 is rotatably connected to the center of the positioning slider 5. When the positioning slider 5 is rotated and tightened, the length pointer 53 is turned back to be perpendicular to the length direction of the inclined scale 3, so that the length pointer 53 points to the scale markings on the side of the inclined scale 3. This allows for a direct reading of the bending bevel length at different placement positions, which helps improve the accuracy of material cutting and production efficiency.

[0027] The experimental principle of this embodiment is as follows: When it is necessary to cut the curved edge, a horizontal fixed ruler 1 is placed on the ground, and a semicircular ruler 2 is installed at one end of the horizontal fixed ruler 1; a vertical ruler 4 is placed vertically on the ground, so that the distance between the bottom of the vertical ruler 4 and the center of the semicircular ruler 2 simulates the horizontal distance in the model; the positioning slider 5 is driven to slide on the vertical ruler 4, so that the height at which the positioning slider 5 stops on the vertical ruler 4 simulates the bending height in the model. At the same time, the positioning slider 5 pulls the inclined ruler 3 to tilt and rotates the positioning slider 5 to lock it, so that the inclined ruler 3 simulates the curved edge in the model. With the center of the semicircular ruler 2 as the first cutting point and the position of the positioning slider 5 as the second cutting point, the length of the curved edge can be read intuitively through the inclined ruler 3, thereby reducing the calculation difficulty and improving the cutting efficiency; the bending angle can be read intuitively through the semicircular ruler 2, and the bridge frame bending can be quickly built according to the model, thereby improving the construction efficiency. In addition, this device can flexibly adjust the placement of the inclined ruler 3 according to the actual construction site environment, find the optimal horizontal distance, vertical height or bending angle, and promptly provide feedback to correct the design data in the model, thereby improving the flexibility and adaptability of the tool and making it easy to promote and use on the construction site.

[0028] Based on the disclosure and teachings of the above specification, those skilled in the art can make changes and modifications to the above embodiments. Therefore, this utility model is not limited to the specific embodiments described above, and any obvious improvements, substitutions, or modifications made by those skilled in the art based on this utility model are within the protection scope of this utility model. Furthermore, although some specific terms are used in this specification, these terms are only for convenience of explanation and do not constitute any limitation on this utility model.

Claims

1. An arbitrary angle under the bridge bending positioning and layout tool, characterized in that, The utility model relates to a multi-angle ruler, including horizontal fixed ruler (1), semicircle ruler (2), oblique scale (3) and vertical scale (4), semicircle ruler (2) is fixedly connected to one end of horizontal fixed ruler (1), one end of oblique scale (3) is hinged to the center of semicircle ruler (2), the other end of oblique scale (3) is slidably connected on vertical scale (4), the intersection of vertical scale (4) with oblique scale (3) is provided with positioning sliding block (5), and positioning sliding block (5) is used for locking oblique scale (3).

2. The tool according to claim 1, characterized in that, First rail groove (31) is provided on oblique scale (3) along the length direction, second rail groove (41) is provided on vertical scale (4) along the length direction, positioning sliding block (5) includes first joint (51) and second joint (52), first joint (51) is slidably connected in the inner wall of first rail groove (31), and second joint (52) is slidably connected in the inner wall of second rail groove (41).

3. The tool according to claim 1, wherein, Oblique scale (3) is provided with angle pointer (32) near one end of semicircle ruler (2), the direction of angle pointer (32) is along the length direction of oblique scale (3), and the scale mark of angle pointer (32) is identified to semicircle ruler (2).

4. The tool according to claim 1, wherein, Positioning sliding block (5) is provided with length pointer (53), the direction of length pointer (53) is perpendicular to the length direction of oblique scale (3), and the scale mark of length pointer (53) is identified to oblique scale (3).

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