Flange convenient to position

Abstract

The utility model relates to the technical field of large flanges, and discloses a flange convenient to position, which comprises a pipeline, arrows are arranged at the upper end and the lower end of the outer side wall of the pipeline, the arrows are positioned at the two ends of the same vertical line, and a first flange and a second flange are respectively arranged at the upper end and the lower end of the outer side wall of the pipeline. According to the flange convenient to position, the first flange body and the second flange body at the two ends of a pipeline can be rapidly positioned through the scale rings on the back portions of the flanges in cooperation with the arrows installed at the upper end and the lower end of the outer side wall of the pipeline. By means of the laser pens slidably mounted on the backs of the first flange and the second flange and the mirror faces sprayed with the positioning rings at the circle centers, the positions of the first flange and the second flange can be checked, whether installation is skew or not can be checked, the laser pens and the mirror faces sprayed with the positioning rings at the circle centers can be detached and recycled, and cost is saved.

Description

Technical Field

[0001] This utility model relates to the field of large flange technology, specifically a flange that is easy to position. Background Technology

[0002] Large flanges refer to flanges that exceed the dimensions specified by relevant national departments, generally referring to flanges with a diameter of DN2000 or larger. These products are all welded and do not have threads. Threaded flanges are commonly used in sizes from DN15 to DN100. In the national flange standard GB / T9119-2010, the largest size in the pressure standard from 0.25MPa to 1.6MPa is DN2000, and in the pressure standard of 2.5MPa, the largest is DN800. The production of these flanges requires the construction party to provide drawings. There are three production processes: forging, rolling, and splicing. For products with excessively large dimensions, only rolling and splicing processes can be used. The manufacturing area is mostly in the Xinman Industrial Zone of Mengcun Hui Autonomous County, Cangzhou City, Hebei Province. Large flanges are installed at both ends of the pipeline and need to be positioned before installation to align the flange holes of the double-end flanges.

[0003] The existing large flanges are installed at both ends of the pipeline, requiring workers to manually and visually determine their position, which is inefficient and inaccurate. Utility Model Content

[0004] The purpose of this utility model is to provide a flange that is easy to position. The flange disclosed in this utility model can quickly position the first flange and the second flange at both ends of the pipe by means of a scale ring on the back of the flange and arrows installed at both ends of the outer side wall of the pipe. The position of the first flange and the second flange can be checked by a laser pointer and a mirror with a positioning ring sprayed at the center, which are respectively slidably installed on the back of the first flange and the second flange, to check whether the installation is skewed. Moreover, the laser pointer and the mirror with the positioning ring sprayed at the center can be removed and recycled, saving costs and solving the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a flange for easy positioning, comprising a pipe, with arrows installed at both ends of the outer wall of the pipe, the arrows being located at both ends of the same vertical line, a first flange and a second flange respectively installed at the upper and lower ends of the outer wall of the pipe, a scale ring installed on the back of both the first flange and the second flange, a mirror surface installed on the back of the first flange via a first sliding component, a positioning ring being sprayed at the center of the mirror surface, and a laser pointer installed on the corresponding position on the back of the second flange via a second sliding component.

[0006] Preferably, the tip of the arrow faces the scale ring.

[0007] Preferably, the first sliding assembly includes a first slide block welded to the back of a first flange, a first slider slidably connected inside the first slide block, and a mirror fixedly installed at the bottom of the first slider.

[0008] Preferably, the second sliding assembly includes a second slide block welded to the back of the second flange, a second slider slidably connected inside the second slide block, and a laser pointer fixedly mounted on the top of the second slider.

[0009] Preferably, the slots inside the first slide and the second slide are both T-shaped, and the cross-sections of the first slider and the second slider are both T-shaped.

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

[0011] The flange disclosed in this utility model, which facilitates positioning, uses a graduated ring on the back of the flange and arrows installed at both ends of the outer wall of the pipe to quickly locate the first and second flanges at both ends of the pipe. A laser pointer and a mirror with a positioning ring sprayed at the center, respectively, are slidably installed on the back of the first and second flanges to verify their positions and check for misalignment. Furthermore, the laser pointer and the mirror with the positioning ring can be disassembled and reused, saving costs. This invention solves the problem of low positioning efficiency and accuracy in existing large flange installations at both ends of pipes, which require manual and visual judgment by workers. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0013] Figure 2 for Figure 1 Schematic diagram of the structure at point A;

[0014] Figure 3 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 4 for Figure 3 A schematic diagram of the structure at point B.

[0016] In the diagram: 1. Pipe; 2. First flange; 3. Second flange; 4. Scale ring; 5. Arrow; 6. First slide; 7. First slider; 8. Mirror; 9. Positioning ring; 10. Second slide; 11. Second slider; 12. Laser pointer. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figures 1-4 The illustration shows a flange for easy positioning, comprising a pipe 1. Arrows 5 are installed at both the upper and lower ends of the outer wall of the pipe 1, with the arrows 5 located at the two ends of the same vertical line. A first flange 2 and a second flange 3 are respectively installed at the upper and lower ends of the outer wall of the pipe 1. Scale rings 4 are installed on the back of both the first flange 2 and the second flange 3. A mirror 8 is installed on the back of the first flange 2 via a first sliding component, with a positioning ring 9 sprayed at the center of the mirror 8. A laser pointer 12 is installed on the corresponding position on the back of the second flange 3 via a second sliding component. The flange for easy positioning disclosed in this utility model can quickly position the first flange 2 and the second flange 3 at both ends of the pipe 1 by using the scale rings 4 on the back of the flanges and the arrows 5 installed at both the upper and lower ends of the outer wall of the pipe 1. The laser pointer 12 and the mirror 8 with the positioning ring 9 sprayed at the center, which are respectively slidably installed on the back of the first flange 2 and the second flange 3, can be used to check the position of the first flange 2 and the second flange 3 and to check whether the installation is skewed. Furthermore, the laser pointer 12 and the mirror 8 with the positioning ring 9 sprayed at the center can be disassembled and recycled, saving costs.

[0019] Furthermore, the tip of arrow 5 points towards the scale ring 4 for easy positioning; furthermore, the first sliding assembly includes a first slide block 6 welded to the back of the first flange 2, a first slider 7 slidably connected inside the first slide block 6, and a mirror 8 fixedly installed at the bottom of the first slider 7 for easy installation or removal of the mirror 8; furthermore, the second sliding assembly includes a second slide block 10 welded to the back of the second flange 3, a second slider 11 slidably connected inside the second slide block 10, and a laser pointer 12 fixedly installed at the top of the second slider 11 for easy installation or removal of the laser pointer 12; furthermore, the slots inside the first slide block 6 and the second slide block 10 are both T-shaped, and the cross-sections of the first slider 7 and the second slider 11 are both T-shaped, resulting in excellent limiting effect.

[0020] In this solution, during use, the easily positioned flange disclosed in this utility model, through the scale ring 4 on the back of the flange and the arrows 5 installed at both ends of the outer wall of the pipe 1, can quickly position the first flange 2 and the second flange 3 at both ends of the pipe 1. The laser pointer 12 and the mirror surface 8 with the positioning ring 9 sprayed at the center, respectively, which are slidably installed on the back of the first flange 2 and the second flange 3, can be used to check the position of the first flange 2 and the second flange 3 and to check whether the installation is skewed. Furthermore, the laser pointer 12 and the mirror surface 8 with the positioning ring 9 sprayed at the center can be disassembled and reused, saving costs. First, the first flange 2 is installed on the top of the pipe 1, so that the arrow 5 on the outer top of the pipe 1 is aligned with... First, align the graduated ring 4 on the back of the first flange 2 with the specified reading. Then, align the graduated ring 4 on the back of the second flange 3 with the arrow 5 at the bottom of the outer side of the pipe 1 vertically. After quickly installing the second flange 3, slide the mirror 8 onto the corresponding position on the back of the first flange 2 via the first sliding assembly. Slide the laser pointer 12 onto the corresponding position on the back of the second flange 3 via the second sliding assembly. Powered by an external power source, turn on the laser pointer 12 via an external switch. The laser emitted by the laser pointer 12 will be successfully verified when aligned with the positioning ring 9 at the center of the mirror 8. The positioning accuracy is high. After installation, the mirror 8 and laser pointer 12 can be removed and reused (laser pointer 12 is a commercially available product).

[0021] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A flange for easy positioning, comprising a pipe (1), characterized in that: Arrows (5) are installed at both the upper and lower ends of the outer wall of the pipe (1). The arrows (5) are located at both ends of the same vertical line. A first flange (2) and a second flange (3) are installed at the upper and lower ends of the outer wall of the pipe (1). A scale ring (4) is installed on the back of the first flange (2) and the second flange (3). A mirror (8) is installed on the back of the first flange (2) through a first sliding component. A positioning ring (9) is sprayed at the center of the mirror (8). A laser pointer (12) is installed on the corresponding part of the back of the second flange (3) through a second sliding component.

2. The flange for easy positioning according to claim 1, characterized in that: The arrow (5) has its tip pointing toward the scale ring (4).

3. The flange for easy positioning according to claim 1, characterized in that: The first sliding assembly includes a first slide block (6) welded to the back of the first flange (2), a first slider (7) slidably connected inside the first slide block (6), and a mirror (8) fixedly installed at the bottom of the first slider (7).

4. A flange for easy positioning according to claim 3, characterized in that: The second sliding assembly includes a second slide block (10) welded to the back of the second flange (3), a second slider (11) slidably connected inside the second slide block (10), and a laser pointer (12) fixedly mounted on the top of the second slider (11).

5. A flange for easy positioning according to claim 4, characterized in that: The slots inside the first slide (6) and the second slide (10) are both T-shaped, and the cross-sections of the first slider (7) and the second slider (11) are both T-shaped.

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