A positioning device for centering upper and lower flange holes of a high temperature compensator

Abstract

This utility model relates to the field of high-temperature compensator technology, and proposes a positioning device for aligning the centers of the upper and lower flange holes of a high-temperature compensator. The device includes a base; a bracket with its bottom end connected to the base; a flange positioning plate, rotatably connected to the top of the bracket in the middle, with a first connecting hole at its end and a positioning pin on the flange positioning plate; an angle adjustment plate mounted on the base and having multiple second connecting holes; a lifting component mounted on the base and having a lifting end; and a circular flange positioning plate located above the flange positioning plate, with the lifting end passing through the flange positioning plate and connecting to it. The circular flange positioning plate is used to fix the circular flange. This solution solves the existing technical problem of aligning the centers of the upper and lower flange holes of high-temperature compensators, as well as the problem of low production efficiency caused by frequent changes in the positioning device due to different flange tilt angles, varying flange hole positions, and different body height dimensions.

Description

Technical Field

[0001] This utility model relates to the field of high temperature compensator technology, specifically to a positioning device for aligning the centers of the upper and lower flange holes of a high temperature compensator. Background Technology

[0002] The main structure of the lower section of the high-temperature compensator of the blast furnace air supply device consists of three parts: the upper round flange, the compensator assembly, and the lower flange. During the assembly and welding process, the above three parts need to be aligned and assembled to ensure that the center hole of the upper round flange and the center hole of the lower flange are aligned.

[0003] Due to the different structures of each blast furnace, the position, size, and tilt angle of the round flange and flange hole in the lower section of the high-temperature compensator, as well as the total length of the product, are not the same. During the product assembly welding process, positioning fixtures need to be made separately. For manufacturers of multiple product varieties, each product positioning fixture is made independently, which increases the cost of raw materials and reduces production efficiency. In order to reduce production costs and improve production efficiency, a flexible welding positioning device that can meet different angle and height dimensions and ensure that the center positions of the upper and lower flange holes are relatively correct is needed. Utility Model Content

[0004] This invention proposes a positioning device for aligning the centers of the upper and lower flange holes of a high-temperature compensator. This solves the existing technical problem of aligning the centers of the upper and lower flange holes of a high-temperature compensator, as well as the problem of low production efficiency caused by frequent replacement of the positioning device due to different flange tilt angles and varying positions of the upper and lower flange holes and body height dimensions.

[0005] The technical solution of this utility model is as follows: A positioning device for aligning the centers of the upper and lower flange holes of a high-temperature compensator, comprising:

[0006] Base;

[0007] The bracket is connected at its bottom to the base;

[0008] The flange positioning plate is rotatably connected to the top of the bracket in the middle. The flange positioning plate has a first connecting hole at its end and a positioning pin is provided on the flange positioning plate. The positioning pin is used to help fix the flange.

[0009] An angle adjustment plate is provided on the base and has multiple second connection holes. The axes of the first connection hole and the second connection hole are parallel to the rotation axis of the flange positioning plate.

[0010] The first pin passes through both the first connecting hole and the second connecting hole;

[0011] A lifting component is disposed on the base, and the lifting component has a lifting end that reciprocates in the vertical direction;

[0012] A round flange positioning plate is located above the flange positioning plate. The lifting end passes through the flange positioning plate and is connected to the round flange positioning plate. The round flange positioning plate has multiple fixing holes for fixing the round flange.

[0013] The center of the circular flange positioning plate and the center of the method flange positioning plate are on the same straight line.

[0014] Through the above technical solution, the flange positioning plate is used to place the flange, the round flange positioning plate is used to place the round flange, and the pipeline is placed between the flange and the round flange. The round flange is located in the horizontal plane, and the flange is tilted with the help of the bracket and the angle adjustment plate. The center of the flange positioning plate and the center of the round flange positioning plate are on the same vertical line, which is perpendicular to the horizontal plane. At this time, the pipeline axis can be aligned with this vertical line and then welding can be performed. The welded structure is used in the high temperature compensator to achieve the effect of aligning the centers of the upper and lower flange holes.

[0015] As a further technical solution, the angle adjustment plate is divided into two groups, one group is located on the first end of the flange positioning plate, and the other group is located on the second end of the flange positioning plate.

[0016] With the above technical solution, since the bracket is connected in the middle of the flange positioning plate, in order to make the flange positioning plate in the tilted state more stable, angle adjustment plates are set at both ends of the flange positioning plate. The first pin and the angle adjustment plates are locked at both ends of the flange positioning plate, making the tilted state of the flange positioning plate more stable.

[0017] As a further technical solution, each set of angle adjustment plates includes two angle adjustment plates, and the two angle adjustment plates in each set are symmetrically arranged at the ends of the flange positioning plate.

[0018] To further improve the stability of the flange positioning plate in an inclined state and reduce the complexity of the overall structure, the above technical solution provides two angle adjustment plates in each group, with the two angle adjustment plates in the same group located on both sides of the flange positioning plate.

[0019] As a further technical solution, there are multiple second connecting holes, and the second connecting holes located on the same angle adjustment plate are grouped to correspond to different angles between the flange positioning plate and the horizontal plane.

[0020] Through the above technical solution, since high-temperature compensators have multiple models and different sizes, especially the included angle between the upper and lower flanges, multiple second connection holes are provided on the angle adjustment plate to accommodate different models of high-temperature compensators.

[0021] As a further technical solution, a pointer is provided on the second end of the flange positioning plate, the tip of the pointer is parallel to the plane on which the flange positioning plate is located, and a scale line is provided on the angle adjustment plate corresponding to the second end of the flange positioning plate, with the tip of the pointer pointing to the scale line.

[0022] In order to intuitively show the tilt angle of the flange positioning plate and facilitate adjustment by the operator, a pointer is set on the second end of the flange positioning plate, and a scale line is set on the corresponding angle adjustment plate. The scale line is used to show the angle with the horizontal plane. When the tilt angle of the flange positioning plate is adjusted, the pointer will point to the corresponding scale line.

[0023] As a further technical solution, a guide hole is provided on the angle adjustment plate corresponding to the second end of the flange positioning plate, a roller is provided on the second end of the flange positioning plate, a roller is rotatably connected to the roller, the roller is located in the guide hole, and the pointer is located on the end of the roller and outside the roller.

[0024] By using the above technical solution, the movement of the rollers within the guide hole not only improves the stability of the flange positioning plate during tilt angle adjustment, but also adjusts the position of the pointer and scale lines to the periphery of the overall structure, making it easier for the operator to directly observe the rotation angle.

[0025] As a further technical solution, a handle is provided on the first end of the flange positioning plate.

[0026] In order to improve the convenience of adjusting the tilt angle of the flange positioning plate through the above technical solution, a handle is provided on the end of the flange positioning plate.

[0027] As a further technical solution, an idle support is also included. The idle support is located below the second end of the flange positioning plate. An idle hole is provided on the angle adjustment plate corresponding to the first end of the flange positioning plate. The idle support cooperates with the idle hole to ensure that the flange positioning plate when not in operation is parallel to the horizontal plane.

[0028] With the above technical solution, when the entire device is not in working condition, there are no flanges placed on the flange positioning plate and the round flange positioning plate. At this time, it is not necessary for the flange positioning plate to be tilted, because the tilted flange positioning plate will cause the lower first pin to bear too much pressure. Therefore, the flange positioning plate is set to a horizontal state. In the horizontal state, the second end of the flange positioning plate overlaps the idle support, and the first end is connected to the idle hole by means of the first pin.

[0029] As a further technical solution, the lifting component is a hand-cranked worm gear screw jack.

[0030] By using the above technical solutions and selecting existing equipment, the overall manufacturing and maintenance costs of the device can be reduced.

[0031] As a further technical solution, the flange positioning plate has a through hole in its center, and the lifting end passes through the through hole and is connected to the center of the circular flange positioning plate.

[0032] Through the above technical solution, the lifting end of the lifting component passes through the flange positioning plate via a through hole, which can ensure that the flange positioning plate avoids structural interference during angle adjustment.

[0033] The positioning device for aligning the centers of the upper and lower flange holes of a high-temperature compensator provided by this utility model has at least the following beneficial effects:

[0034] I. This utility model, by setting an adjustable-angle flange positioning plate and a fixed-height circular flange positioning plate, ensures that the centers of the upper and lower flanges are always on the same vertical line, effectively solving the installation deviation problem caused by misalignment of the flange hole centers during the welding process of high-temperature compensators. The device has a reasonable structure, is easy to operate, significantly improves welding accuracy and assembly efficiency, and is suitable for various models of high-temperature compensators, possessing good versatility and practicality.

[0035] Second, the device is equipped with precision adjustment components such as an angle adjustment plate, scale lines, and pointers, which can intuitively and accurately control the tilt angle of the flange, avoiding errors from manual visual inspection. At the same time, auxiliary structures such as roller guides and idle supports ensure the stability and safety of the adjustment process, extend the service life of the device, and reduce maintenance costs, making it particularly suitable for industrial scenarios with high temperature and high precision requirements. Attached Figure Description

[0036] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0037] Figure 1 An isometric schematic diagram of the positioning device provided by this utility model;

[0038] Figure 2 for Figure 1 A magnified view of a section at point A in the middle;

[0039] Figure 3 for Figure 1 A magnified view of a section at point B in the middle;

[0040] Figure 4 for Figure 1 Front view;

[0041] Figure 5 for Figure 1 A structural diagram from another angle.

[0042] In the diagram: 1. Base; 2. Bracket; 3. Flange positioning plate; 4. Angle adjustment plate; 5. First pin; 6. Lifting component; 7. Round flange positioning plate; 8. Pointer; 9. Roller; 10. Handle; 11. Idle support; 12. Idle hole; 13. Positioning pin. Detailed Implementation

[0043] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.

[0044] according to Figures 1 to 5 The embodiments provided in this application will be described.

[0045] A positioning device for aligning the centers of the upper and lower flange holes of a high-temperature compensator includes a base 1, a bracket 2, a flange positioning plate 3, an angle adjustment plate 4, a first pin 5, a lifting component 6, and a round flange positioning plate 7.

[0046] The bracket 2 is located on the base 1. The top of the bracket 2 is rotatably connected to the middle of the flange positioning plate 3. The top of the bracket 2 has a rotating hole, in which a bearing is embedded. The flange positioning plate 3 has a corresponding rotating shaft, which can pass through the bearing on the bracket 2. To improve stability during rotation, there are two brackets 2, which are respectively set on both sides of the flange positioning plate 3.

[0047] Angle adjustment plate 4 is located on the side of the end of flange positioning plate 3. Angle adjustment plate 4 is provided with multiple second connection holes. A first connection hole is provided on the corresponding end of flange positioning plate 3. A first pin 5 can be inserted into the first connection hole and the second connection hole at the same time. By inserting the first pin 5 into different second connection holes, the tilt angle of flange positioning plate 3 can be adjusted.

[0048] To facilitate adjustment and improve the stability of the flange positioning plate 3 when tilted, the angle adjustment plates 4 are divided into two groups, which are respectively set near both ends of the flange positioning plate 3. In a practical application, there are two angle adjustment plates 4 in each group, and the two angle adjustment plates 4 in the same group have identical structures.

[0049] To facilitate the tilting of the flange positioning plate 3, scale lines are provided on a set of angle adjustment plates 4, and a pointer 8 is installed at the end of the flange positioning plate 3. The tip of the pointer 8 is parallel to the plane of the flange positioning plate 3. Therefore, the angle after the flange positioning plate 3 is rotated is the same angle through which the tip of the pointer 8 has rotated. The pointer 8 allows for easy observation of the adjusted angle of the flange positioning plate 3, facilitating adjustments by the operator.

[0050] To further improve the stability and smoothness of the flange positioning plate 3 during rotation, a guide hole is made on the angle adjustment plate 4 corresponding to the second end of the flange positioning plate 3. Then, a roller 9 is installed on the second end of the flange positioning plate 3, and the roller 9 rolls within the guide hole, with the flange positioning plate 3 and the roller 9 rotatably connected. In addition, the scale lines can be set on the outside of the angle adjustment plate 4, and the pointer 8 is located on the axis of the roller 9. This arrangement makes it easier for the operator to check the tilt angle of the flange positioning plate 3.

[0051] Each scale mark represents 1°, and the adjustment angle of the flange positioning plate is 60°-75°.

[0052] The round flange positioning plate 7 is located above the flange positioning plate 3. A through hole is provided in the center of the flange. The lifting component 6 is located on the base 1. The lifting component 6 is a worm gear screw jack, with the screw passing through the through hole and connected to the round flange positioning plate 7. At this time, the center of the round flange positioning plate 7 and the center of the flange positioning plate 3 are on the same vertical line, and this vertical line is perpendicular to the horizontal plane. The flange positioning plate 3 has a symmetrical structure, and the axis of rotation of the center of the tilt angle adjustment on the flange positioning plate 3 also passes through the vertical line. Therefore, no matter how the flange positioning plate 3 is rotated, the center of the flange positioning plate 3 will always be on the same vertical line as the center of the round flange positioning plate 7. When a pipe is placed between the flange positioning plate 3 and the round flange positioning plate 7, after welding, it can be ensured that the centers of the upper and lower flanges of the pipe are aligned.

[0053] When using the positioning device for aligning the centers of the upper and lower flange holes of a high-temperature compensator provided by this utility model, first adjust the angle of the flange positioning plate 3, and then adjust the height of the round flange positioning plate 7. After the positions of the two are adjusted, place the flange on the flange positioning plate 3, and then place the pipe on the flange. At this time, the pipe needs to be temporarily fixed. Then place the round flange on the round flange positioning plate 7. After placement, the two ends of the pipe contact the flange and the round flange respectively, and then welding can be performed.

[0054] When the entire device is not in use, the flange positioning plate 3 can be laid flat. At this time, there is a free support 11 below the second end of the flange positioning plate 3. The second end of the flange positioning plate 3 rests on the free support 11. A free hole 12 is provided on the angle adjustment plate 4 corresponding to the first end of the flange positioning plate 3. The first pin 5 passes through the free hole 12 and the first connecting hole.

[0055] To facilitate the rotation of the flange positioning plate 3, a handle 10 is provided on the first end of the flange positioning plate 3. The operator can adjust the tilt angle of the flange positioning plate 3 by using the handle 10.

[0056] When the flange is placed on the flange positioning plate 3, since the flange positioning plate 3 is usually tilted, a positioning pin 13 is provided on the flange positioning plate 3 to prevent the flange from falling off under its own weight. The positioning pin 13 is used to prevent the flange from moving.

[0057] It should also be noted that when the lifting mechanism is a hand-cranked worm gear screw jack and the base plate is on the ground, a hole needs to be made in the ground so that the screw can move vertically.

[0058] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A positioning device for aligning the centers of the upper and lower flange holes of a high-temperature compensator, characterized in that, include: Base (1); The bracket (2) is connected at its bottom end to the base (1); The flange positioning plate (3) is rotatably connected to the top of the bracket (2) in the middle. The flange positioning plate (3) has a first connecting hole at its end. The flange positioning plate (3) is provided with a positioning pin (13), which is used to fix the flange. An angle adjustment plate (4) is provided on the base (1) and has multiple second connection holes. The axes of the first connection hole and the second connection hole are parallel to the rotation axis of the flange positioning plate (3). The first pin (5) is simultaneously inserted into the first connecting hole and the second connecting hole; A lifting component (6) is disposed on the base (1), and the lifting component (6) has a lifting end that reciprocates in the vertical direction; The round flange positioning plate (7) is located above the flange positioning plate (3). The lifting end passes through the flange positioning plate (3) and is connected to the round flange positioning plate (7). The round flange positioning plate (7) has multiple sets of fixing holes for fixing the round flange. The center of the circular flange positioning plate (7) and the center of the method flange positioning plate (3) are on the same straight line.

2. A positioning device for centering upper and lower flange holes of a high temperature compensator according to claim 1, wherein The angle adjustment plate (4) is divided into two groups, one group is located on the first end of the flange positioning plate (3), and the other group is located on the second end of the flange positioning plate (3).

3. A positioning device for centering upper and lower flange holes of a high temperature compensator according to claim 2, wherein Each set of angle adjustment plates (4) includes two angle adjustment plates (4), and the two angle adjustment plates (4) in each set are symmetrically arranged at the ends of the flange positioning plate (3).

4. A positioning device for centering upper and lower flange holes of a high temperature compensator according to claim 3, wherein There are multiple second connecting holes, and the second connecting holes located on the same angle adjustment plate (4) are grouped to correspond to different angles between the flange positioning plate (3) and the horizontal plane.

5. The positioning device for centering upper and lower flange holes of a high temperature compensator of claim 2, wherein, A pointer (8) is provided on the second end of the flange positioning plate (3). The tip of the pointer (8) is parallel to the plane on which the flange positioning plate (3) is located. A scale line is provided on the angle adjustment plate (4) corresponding to the second end of the flange positioning plate (3). The tip of the pointer (8) points to the scale line.

6. A positioning device for centering upper and lower flange holes of a high temperature compensator according to claim 5, wherein A guide hole is provided on the angle adjustment plate (4) corresponding to the second end of the flange positioning plate (3). A roller is provided on the second end of the flange positioning plate (3). A roller (9) is rotatably connected to the roller. The roller (9) is located inside the guide hole. The pointer (8) is located on the end of the roller and outside the roller (9).

7. A positioning device for centering upper and lower flange holes of a high temperature compensator according to claim 6, wherein A handle (10) is provided on the first end of the flange positioning plate (3).

8. A positioning device for centering upper and lower flange holes of a high temperature compensator according to claim 2, wherein It also includes an idle support (11), which is located below the second end of the flange positioning plate (3). An idle hole (12) is provided on the angle adjustment plate (4) corresponding to the first end of the flange positioning plate (3). The idle support (11) cooperates with the idle hole (12) to ensure that the flange positioning plate (3) when not in operation is parallel to the horizontal plane.

9. The positioning device for centering upper and lower flange holes of a high temperature compensator according to any one of claims 1-8, wherein, The lifting component (6) is a hand-cranked worm gear screw jack.

10. A positioning device for aligning the centers of the upper and lower flange holes of a high-temperature compensator according to any one of claims 1-8, characterized in that, The method is characterized in that the center of the flange positioning plate (3) is provided with a through hole, and the lifting end is connected to the center of the circular flange positioning plate (7) after passing through the through hole.

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