Natural gas station flange dislocation correction device

Abstract

The utility model relates to the technical field of correction equipment discloses a natural gas station flange misplacement correction device, including the correction frame, the bottom left end fixed connection of correction frame has the locating rod, the top thread connection of correction frame has locking screw rod, the bottom end of locking screw rod penetrates the top of correction frame and rotates to connect the semicircular clamp plate, the top right end of correction frame is installed the cam lock ware, the right side sliding connection of correction frame has the slider arm, the top of slider arm all is equipped with a plurality of inner groove hole, the inboard thread connection of slider arm has the jackscrew bolt. In the utility model, the device is fixed on the first flange outer circumferential surface through the locating rod, the locking screw rod and the semicircular clamp plate, the first flange and the second flange make two flange holes tend to the coaxial line under the mutual traction of the jackscrew bolt and the locating rod, improve the worker operation safety, and greatly save the operation maintenance efficiency.

Description

Technical Field

[0001] This utility model relates to the field of correction equipment technology, and in particular to a flange misalignment correction device for natural gas stations. Background Technology

[0002] During the equipment installation process at natural gas stations, flange connections are an important sealing connection method between equipment such as pipelines, valves, and pressure vessels. However, due to factors such as installation errors, thermal expansion and contraction of pipelines, foundation settlement, or equipment vibration, problems such as axial offset, radial misalignment, or angular deviation of flange interfaces often occur, making it impossible to align bolt holes and seriously affecting installation efficiency and sealing performance.

[0003] Traditional correction methods mainly rely on manual prying with tools such as crowbars and jacks to forcibly pry the flange. This method is not only time-consuming and labor-intensive, but also easily causes damage to the flange sealing surface, deformation of bolt holes, and even causes stress concentration in the pipeline, creating potential leakage hazards. In addition, for flange misalignment in high-pressure and large-diameter pipelines, traditional methods are difficult to achieve accurate correction and require repeated adjustments, which seriously affects the construction progress.

[0004] While some hydraulic or mechanical straightening devices exist in the existing technology, they generally suffer from problems such as complex structure, high cost, and limited applicability, failing to meet the needs for rapid and efficient straightening on-site. Therefore, there is an urgent need for a flange misalignment straightening device that is simple in structure, easy to operate, and can monitor the adjustment amount in real time, in order to solve the technical problems such as bolts being unable to be installed and seal failure caused by flange misalignment during the installation of natural gas station equipment. Utility Model Content

[0005] To overcome the above deficiencies, this utility model provides a flange misalignment correction device for natural gas stations, which aims to improve the problems of bolts being unable to be installed and seals failing due to flange misalignment during the installation of natural gas station equipment in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a natural gas station flange misalignment correction device, comprising a correction frame, a positioning rod fixedly connected to the bottom left end of the correction frame, a locking screw threadedly connected to the top of the correction frame, the bottom end of the locking screw penetrating through the top of the correction frame and rotatably connected to a semi-arc pressure plate, a cam locking device installed at the top right end of the correction frame, a slider arm slidably connected to the right side of the correction frame, the top of the slider arm having multiple inner slot holes, and a top rod bolt threadedly connected to the inner side of the slider arm.

[0007] As a further description of the above technical solution:

[0008] The bottom end of the top rod bolt is rotatably connected to a rubber pad, and the diameter of the top rod bolt is matched with the inner diameter of the slider arm.

[0009] As a further description of the above technical solution:

[0010] A handle is fixedly connected to the left side of the correction frame, and the outer wall of the handle is rounded.

[0011] As a further description of the above technical solution:

[0012] The multiple inner slots are arranged at equal intervals, and the cam lock is perpendicular to the inner slot 10.

[0013] As a further description of the above technical solution:

[0014] The top end of the locking screw is fixedly connected to an anti-slip handle.

[0015] As a further description of the above technical solution:

[0016] A retaining sleeve is fixedly connected to the outer wall of the positioning rod, and an infrared device is fixedly connected to the rear side of the outer wall of the retaining sleeve.

[0017] This utility model has the following beneficial effects:

[0018] In this invention, a positioning rod is inserted into the flange hole of the first flange, and the locking screw is rotated to make the semi-circular pressure plate firmly fix the entire device on the outer circumference of the first flange. The push rod bolt is used to push against the outer circumference of the second flange, and the push rod bolt is rotated to push it forward. Under the mutual traction of the push rod bolt and the positioning rod, the first flange and the second flange make the flange holes tend to be coaxial, so that the two flanges are aligned. The slider arm can be used for flange working conditions of various specifications and spacings, which improves the versatility of the device. Moreover, due to its simple structure, convenient operation, and easy portability, it improves the safety of workers while greatly saving work and maintenance efficiency. Attached Figure Description

[0019] Figure 1 This is a perspective view of a flange misalignment correction device for a natural gas station proposed in this utility model;

[0020] Figure 2 This is a front view of a flange misalignment correction device for a natural gas station proposed in this utility model;

[0021] Figure 3 This is a schematic diagram of the slider arm of a natural gas station flange misalignment correction device proposed in this utility model;

[0022] Figure 4 This is a schematic diagram of the infrared device of a natural gas station flange misalignment correction device proposed in this utility model;

[0023] Figure 5This is a schematic diagram of the locking screw of a natural gas station flange misalignment correction device proposed in this utility model.

[0024] Legend:

[0025] 1. Correction frame; 2. Positioning rod; 3. Anti-slip handle; 4. Locking screw; 5. Semi-circular pressure plate; 6. Cam lock; 7. Top rod bolt; 8. Rubber pad; 9. Sliding arm; 10. Inner groove hole; 11. Handle; 12. Slip sleeve; 13. Infrared device. Detailed Implementation

[0026] 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.

[0027] Reference Figure 1 , Figure 3 and Figure 5 This utility model provides an embodiment of a flange misalignment correction device for a natural gas station, comprising a correction frame 1. A positioning rod 2 is fixedly connected to the bottom left end of the correction frame 1. The diameter of the positioning rod 2 is adapted to the size of the hole on the flange, allowing the positioning rod 2 to be smoothly inserted into the hole. A locking screw 4 is threadedly connected to the top of the correction frame 1. The bottom end of the locking screw 4 passes through the top of the correction frame 1 and is rotatably connected to a semi-circular pressure plate 5. The shape of the semi-circular pressure plate 5 is designed to completely fit against the outer wall of the flange. By continuously rotating the locking screw 4, the semi-circular pressure plate 5, in conjunction with the positioning rod 2, clamps and fixes the flange, ensuring the rapid fixing of the entire device. The installation includes a cam lock 6 installed on the top right end of the straightening frame 1. The bottom end of the cam lock 6 has a protruding part. A slider arm 9 is slidably connected to the right side of the straightening frame 1. The top of each slider arm 9 has multiple inner slots 10. According to the actual size requirements, the spacing of the slider arms 9 can be adjusted. The cam lock 6 is rotated so that the bottom end engages with the inner slots 10. The inner side of the slider arm 9 is threaded with a top rod bolt 7. The bottom end of the top rod bolt 7 is rotatably connected with a rubber pad 8. Finally, the top rod bolt 7 is rotated so that the rubber pad 8 at its bottom end fits and is fixed to the second flange. The top end of the locking screw 4 is fixedly connected with an anti-slip handle 3, completing the final straightening process.

[0028] Specifically, a positioning rod 2 is fixedly installed at the bottom left end of the straightening frame 1. The diameter of the positioning rod 2 is designed to match the size of the hole on the flange, ensuring that the positioning rod 2 can be easily inserted into the hole. At the top of the straightening frame 1, the bottom end of the locking screw 4 passes through the top of the straightening frame 1 and is connected to a semi-circular pressure plate 5. The shape of the semi-circular pressure plate 5 can perfectly fit the outer wall of the flange. By continuously rotating the locking screw 4, the semi-circular pressure plate 5 and the positioning rod 2 work together to clamp and fix the flange, thereby ensuring that the entire device can be quickly and stably fixed. Once installed in place, a cam lock 6 is installed at the top right end of the straightening frame 1. The bottom end of the cam lock 6 has a protruding part for easy operation. The spacing of the slider arms 9 is adjusted appropriately according to the actual size requirements. By rotating the cam lock 6, its bottom end can be engaged with the inner groove hole 10, thereby fixing the position of the slider arms 9. By rotating the top rod bolt 7, the rubber pad 8 at its bottom end can be tightly fitted and fixed to the second flange. For easy operation, the top of the locking screw 4 is fixed with an anti-slip handle 3, thus completing the entire straightening process.

[0029] Reference Figure 1 and Figure 4 The outer wall of the positioning rod 2 is fixedly connected to a sleeve 12, and the rear side of the outer wall of the sleeve 12 is fixedly connected to an infrared device 13.

[0030] Specifically, the infrared device 13 is fixed to the positioning rod 2 using the ferrule 12, and the top of the outer circumference of the two flanges is observed through the infrared device 13 to determine whether the two flanges are successfully aligned.

[0031] Reference Figure 1 , Figure 2 and Figure 3 A handle 11 is fixedly connected to the left side of the correction frame 1. The outer wall of the handle 11 is rounded. Multiple inner slots 10 are arranged at equal intervals. The diameter of the top rod bolt 7 is matched with the inner diameter of the slider arm 9. The cam lock 6 is perpendicular to the inner slot 10.

[0032] Specifically, the handle 11 is designed to be simple in structure, easy to operate and carry, and improve the safety of workers. The bottom end of the cam lock 6 can be precisely engaged with the inner groove 10 to ensure subsequent adjustment.

[0033] Working principle: During operation, the hand grip 11 is used to insert the positioning rod 2 into the flange hole of the first flange. The bottom semi-circular pressure plate 5, which is connected to the locking screw 4 and the screw, is used to firmly fix the entire straightening frame 1 on the outer circumference of the first flange by rotating the anti-slip handle 3. According to the flange spacing of different specifications, the corresponding length distance is adjusted by the sliding part of the slider arm 9. The upper part of the slider arm 9 is evenly provided with inner groove holes 10. The inner groove holes 10 are locked by the cam locking device 6 installed on the upper part of the straightening frame 1. Then, the top rod bolt 7 on the slider device is pushed against the outer circumference of the second flange through the bottom rubber pad 8. The top rod bolt 7 is rotated to push it forward. Under the mutual traction of the top rod bolt 7 and the positioning rod 2, the holes of the two flanges tend to be coaxial. At this time, the ferrule 12 connected to the positioning rod 2 is adjusted. The infrared device 13 installed on the ferrule 12 is used to observe whether the top of the outer circumference of the two flanges is on the same horizontal plane, thereby judging that the two flanges are successfully aligned and corrected.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A flange misalignment correction device for a natural gas station, comprising a correction frame (1), characterized in that: A positioning rod (2) is fixedly connected to the bottom left end of the correction frame (1). A locking screw (4) is threadedly connected to the top of the correction frame (1). The bottom end of the locking screw (4) passes through the top of the correction frame (1) and is rotatably connected to a semi-arc pressure plate (5). A cam lock (6) is installed at the top right end of the correction frame (1). A slider arm (9) is slidably connected to the right side of the correction frame (1). Multiple inner slots (10) are opened on the top of the slider arm (9). A top rod bolt (7) is threadedly connected to the inner side of the slider arm (9).

2. The natural gas station flange misalignment correction device according to claim 1, characterized in that: The bottom end of the top rod bolt (7) is rotatably connected to a rubber pad (8), and the diameter of the top rod bolt (7) is matched with the inner diameter of the slider arm (9).

3. The natural gas station flange misalignment correction device according to claim 1, characterized in that: A handle (11) is fixedly connected to the left side of the correction frame (1), and the outer wall of the handle (11) is rounded.

4. The natural gas station flange misalignment correction device according to claim 1, characterized in that: The multiple inner slots (10) are arranged at equal intervals, and the cam lock (6) is perpendicular to the inner slots (10).

5. A natural gas station flange misalignment correction device according to claim 1, characterized in that: The top end of the locking screw (4) is fixedly connected to an anti-slip handle (3).

6. A natural gas station flange misalignment correction device according to claim 1, characterized in that: The outer wall of the positioning rod (2) is fixedly connected to a sleeve (12), and an infrared device (13) is fixedly connected to the rear side of the outer wall of the sleeve (12).

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