Petroleum transportation pipeline capable of preventing petroleum leakage

Abstract

The utility model relates to the technical field of petroleum transportation pipelines, in particular to a petroleum transportation pipeline capable of preventing petroleum leakage, which comprises a first pipeline, a second pipeline and a first fixing ring, the two groups of flanges are fixedly mounted at the left and right ends of the first pipeline and the second pipeline; and the second fixing ring is rotationally mounted at the upper end of the first fixing ring. By means of the arrangement of the three sets of limiting blocks and the three sets of limiting grooves, when the first pipeline and the second pipeline are fixedly connected, two sets of flanges can be aligned conveniently, and therefore follow-up installation through a plurality of sets of second bolts is facilitated; and in the using process, the multiple sets of second bolts can be isolated from air and water vapor through arrangement of the protection assembly, so that the situation that the second bolts are oxidized and rusted is reduced, the multiple sets of second bolts are protected, and follow-up replacement and maintenance of the first pipeline or the second pipeline are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of oil transportation pipelines, in particular to an oil transportation pipeline which can prevent oil leakage. Background Art

[0002] A pipeline is a device connected by pipes, pipe connectors and valves for transporting gas, liquid or fluid with solid particles. Usually, the fluid is pressurized by blowers, compressors, pumps and boilers, and then flows from the high pressure part of the pipeline to the low pressure part. It can also be transported by the fluid's own pressure or gravity. In the process of oil transportation, pipelines are used for transportation. Some pipelines are laid on the seabed. After long-term use, oil leakage will occur at the pipeline joints, and the bolts fixing the pipeline will oxidize and rust after being soaked in water for a long time. When the pipeline needs to be replaced and repaired, it is inconvenient to remove the bolts, which affects the replacement efficiency. For this reason, we propose an oil transportation pipeline that prevents oil leakage to solve the above problems. Utility Model Content

[0003] The utility model aims to provide an oil transportation pipeline which prevents oil leakage, so as to solve the problem that the bolts fixing the pipeline proposed in the above background technology will be oxidized and rusted after being immersed in water for a long time.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an oil transportation pipeline for preventing oil leakage, comprising a first pipeline, a second pipeline and a first fixing ring; a flange, two groups of the flanges are fixedly installed on the left and right ends of the first pipeline and the second pipeline; a second fixing ring, the second fixing ring is rotatably installed on the upper end of the first fixing ring; a fixing block, the fixing block is fixedly installed on the front side of the first fixing ring and the second fixing ring; a movable groove, three groups of the movable groove arrays are opened inside the first fixing ring and the second fixing ring; a locking assembly, the locking assembly is arranged on the front side of the first fixing ring and the second fixing ring, and the locking assembly is used to fix the first fixing ring and the second fixing ring to be connected; a protecting assembly, the protecting assembly is arranged inside the movable groove, and the protecting assembly is used to protect the second bolt installed on the upper end of the flange.

[0005] Preferably, three groups of limit blocks are provided on the right side of the first pipeline and the second pipeline, and three groups of limit grooves are provided on the left side of the first pipeline and the second pipeline, and the limit blocks are matched with the limit grooves.

[0006] Preferably, the locking assembly includes a thread groove, a first bolt and a nut, a thread groove is opened in the middle of the two groups of fixing blocks, the internal threads of the two groups of thread grooves are installed with the first bolt, and the lower end thread of the first bolt is installed with a nut.

[0007] Preferably, the protection components are provided with six groups, and the protection components include springs, connecting rods, rotating plates and protection grooves. A spring is provided inside the movable groove, and connecting rods are movably inserted at the left and right ends of the movable groove. The opposite sides of the two groups of connecting rods are fixedly connected to the springs, the upper ends of the two groups of rotating plates are rotatably installed with the two groups of connecting rods, and the lower sides of the two groups of rotating plates are provided with protection grooves.

[0008] Preferably, sealing gaskets are glued inside the first fixing ring and the second fixing ring.

[0009] Compared with the prior art, the utility model has the following beneficial effects: the utility model facilitates the alignment of the two sets of flanges when the first pipe and the second pipe are fixedly connected by the arrangement of three sets of limit blocks and three sets of limit grooves, thereby facilitating the subsequent installation using multiple sets of second bolts; and during use, the multiple sets of second bolts can be isolated from air and water vapor through the arrangement of protective components, thereby reducing the oxidation and rusting of the second bolts, protecting the multiple sets of second bolts, and facilitating the subsequent replacement and maintenance of the first pipe or the second pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the structure of the utility model from the rear

[0013] Figure 3 It is a schematic diagram of a front cross-section of the structure of the utility model;

[0014] Figure 4 For this utility model Figure 3 A is a partial enlarged schematic diagram;

[0015] Figure 5 For this utility model Figure 3 A partial enlarged schematic diagram of B in the figure.

[0016] In the figure: 1. first pipeline; 2. second pipeline; 3. flange; 4. limit block; 5. limit groove; 6. first fixing ring; 7. second fixing ring; 8. fixing block; 9. threaded groove; 10. first bolt; 11. nut; 12. movable groove; 13. spring; 14. connecting rod; 15. rotating plate; 16. second bolt; 17. protective groove; 18. sealing gasket. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-5 , the utility model provides an embodiment: an oil transportation pipeline for preventing oil leakage, comprising a first pipeline 1, a second pipeline 2 and a first fixing ring 6; a flange 3, two groups of flanges 3 are fixedly installed on the left and right ends of the first pipeline 1 and the second pipeline 2; a second fixing ring 7, the second fixing ring 7 is rotatably installed on the upper end of the first fixing ring 6; a fixing block 8, the fixing block 8 is fixedly installed on the front side of the first fixing ring 6 and the second fixing ring 7; a movable groove 12, three groups of movable grooves 12 arrays are arranged inside the first fixing ring 6 and the second fixing ring 7; a locking assembly, the locking assembly is arranged on the front side of the first fixing ring 6 and the second fixing ring 7, and the locking assembly is used to fix the first fixing ring 6 and the second fixing ring 7 together; a protecting assembly, the protecting assembly is arranged inside the movable groove 12, and the protecting assembly is used to protect the second bolt 16 installed on the upper end of the flange 3;

[0019] Further, three groups of limit blocks 4 are provided on the right side of the first pipeline 1 and the second pipeline 2, and three groups of limit grooves 5 are provided on the left side of the first pipeline 1 and the second pipeline 2. The limit blocks 4 are adapted to the limit grooves 5. Figure 1 and Figure 2 This arrangement facilitates the alignment of the two sets of flanges 3 when the first pipeline 1 and the second pipeline 2 are spliced ​​and installed, thereby facilitating the subsequent use of the second bolts 16 to fix and install the first pipeline 1 and the second pipeline 2.

[0020] Furthermore, the locking assembly includes a thread groove 9, a first bolt 10 and a nut 11. The middle of the two sets of fixing blocks 8 is provided with a thread groove 9, the inner threads of the two sets of thread grooves 9 are provided with the first bolt 10, and the lower end of the first bolt 10 is provided with the nut 11. Figure 4As shown, the worker rotates the first bolt 10 inside the two sets of thread grooves 9 and rotates the nut 11 at the lower end of the first bolt 10 to fix and install the first fixing ring 6 and the second fixing ring 7.

[0021] Further, six groups of protection components are provided, and the protection components include springs 13, connecting rods 14, rotating plates 15 and protection grooves 17. The springs 13 are provided inside the movable grooves 12, and connecting rods 14 are movably inserted at the left and right ends of the movable grooves 12. The opposite sides of the two groups of connecting rods 14 are fixedly connected to the springs 13, and the upper ends of the two groups of rotating plates 15 are rotatably installed with the two groups of connecting rods 14. The lower sides of the two groups of rotating plates 15 are provided with protection grooves 17, such as Figure 5 By providing the protection groove 17 to protect the second bolt 16 , the oxidation reaction between water vapor and the second bolt 16 can be reduced, thereby increasing the service life of the second bolt 16 .

[0022] Furthermore, the first fixing ring 6 and the second fixing ring 7 are both glued with sealing gaskets 18. Figure 5 As shown, the provision of two sets of sealing gaskets 18 facilitates increasing the tightness between the first fixing ring 6 and the second fixing ring 7 and the outer walls of the two sets of flanges 3 .

[0023] Working principle: When the device is used, the staff inserts the three groups of limit blocks 4 provided on the right side of the first pipe 1 into the three groups of limit grooves 5 provided on the left side of the second pipe 2, so as to align the two groups of flanges 3. Then the staff uses six groups of second bolts 16 to fix the two groups of flanges 3 together. Then the staff rotates the second fixing ring 7 counterclockwise, and then fits the inner side of the first fixing ring 6 to the lower side of the two groups of flanges 3. Then the staff rotates the second fixing ring 7 counterclockwise, so that the inner sides of the first fixing ring 6 and the second fixing ring 7 are both fitted to the outer walls of the two groups of flanges 3. The staff rotates the first bolt 10 inside the two groups of threaded grooves 9, and at the bottom of the first bolt 10 The nut 11 is rotated at the end to fix the first fixing ring 6 and the second fixing ring 7. Then the staff pulls the rotating plate 15 to the right, and the rotating plate 15 drives the connecting rod 14 to move to the right inside the movable groove 12 and stretches the spring 13. Then the staff rotates the rotating plate 15, and the protective groove 17 opened at the lower end of the rotating plate 15 is aligned with the second bolt 16. Then the staff loosens the rotating plate 15, and the connecting rod 14 moves to the left inside the movable groove 12 under the elastic force of the spring 13, thereby protecting the second bolt 16. Then the staff repeats the above operation to protect multiple groups of second bolts 16 through the rotating plate 15. The above is the entire working principle of the utility model.

[0024] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A pipeline for oil transportation for preventing oil leakage, comprising a first pipeline (1), a second pipeline (2) and a first fixing ring (6); Features: Flanges (3), two sets of flanges (3) are fixedly mounted on the left and right ends of the first pipeline (1) and the second pipeline (2); a second fixing ring (7), the second fixing ring (7) being rotatably mounted on the upper end of the first fixing ring (6); A fixing block (8), wherein the fixing block (8) is fixedly mounted on the front side of the first fixing ring (6) and the second fixing ring (7); Active grooves (12), wherein three groups of active grooves (12) are arranged in arrays inside the first fixing ring (6) and the second fixing ring (7); A locking assembly, the locking assembly being arranged on the front side of the first fixing ring (6) and the second fixing ring (7), the locking assembly being used to fix the first fixing ring (6) and the second fixing ring (7) in connection; A protection component is arranged inside the movable groove (12), and is used to protect a second bolt (16) installed on the upper end of the flange (3).

2. The oil transportation pipeline for preventing oil leakage according to claim 1 is characterized by: Three groups of limit blocks (4) are arranged on the right side of the first pipeline (1) and the second pipeline (2), and three groups of limit grooves (5) are arranged on the left side of the first pipeline (1) and the second pipeline (2), and the limit blocks (4) are matched with the limit grooves (5).

3. The oil transportation pipeline for preventing oil leakage according to claim 1 is characterized by: The locking assembly comprises a thread groove (9), a first bolt (10) and a nut (11); the middle part of the two groups of fixing blocks (8) is provided with a thread groove (9); the internal threads of the two groups of thread grooves (9) are provided with the first bolt (10); the lower end of the first bolt (10) is provided with a nut (11) through a thread.

4. The oil transportation pipeline for preventing oil leakage according to claim 1 is characterized by: The protective components are provided in six groups, and the protective components include springs (13), connecting rods (14), rotating plates (15) and protective grooves (17). The springs (13) are provided inside the movable grooves (12). Connecting rods (14) are movably inserted at the left and right ends of the movable grooves (12). The opposite sides of the two groups of connecting rods (14) are fixedly connected to the springs (13). The upper ends of the two groups of rotating plates (15) are rotatably mounted on the two groups of connecting rods (14). The lower sides of the two groups of rotating plates (15) are provided with protective grooves (17).

5. The oil transportation pipeline for preventing oil leakage according to claim 1 is characterized by: Sealing pads (18) are glued inside the first fixing ring (6) and the second fixing ring (7).

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