Pipeline pressure stabilizing device for oil and gas storage and transportation

Abstract

The utility model discloses a pipeline pressure stabilizing device for oil and gas storage and transportation, which belongs to the technical field of oil and gas pipeline transportation and comprises two pipeline bodies. The connecting mechanism comprises a circular connecting piece arranged between the two pipeline bodies, a cylindrical through groove is horizontally formed in the front side of the circular connecting piece, annular limiting grooves are symmetrically formed in the front side and the rear side of the circular connecting piece, and the opposite ends of the two pipeline bodies are slidably connected with the inner walls of the corresponding annular limiting grooves; first annular sealing rings are fixedly connected to the inner walls of the opposite sides of the two annular limiting grooves. In order to solve the use problem, the equipment is provided with a connecting mechanism, stable connection between pipeline bodies can be achieved by inserting the pipeline bodies into the annular limiting grooves and cooperating with a plurality of bolts and nuts, the overall sealing performance is good, follow-up maintenance and replacement can be conveniently and rapidly conducted at low cost, a plurality of positioning columns are further arranged, and the installation complexity is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil and gas pipeline transportation technical field especially relates to a pipeline pressure stabilizing device for oil and gas storage and transportation. BACKGROUND

[0002] Oil and gas storage and transportation refer to the storage and transportation of crude oil and natural gas, which is an important link to ensure energy supply and maintain national energy security by transporting qualified crude oil, natural gas and other products from oil and gas fields to refineries, petrochemical plants and other facilities.

[0003] At present, most of the oil and gas transportation is realized by pipeline, but due to the long length of some transportation pipelines, the connection between the pipelines is unstable, which easily damages the connection of the pipelines and affects the actual sealed transportation. At the same time, after the connection of the pipeline is damaged, the maintenance is more complicated and the cost is higher. Therefore, in order to solve this problem, a pipeline pressure stabilizing device for oil and gas storage and transportation is designed. UTILITY MODEL CONTENT

[0004] The utility model discloses a pipeline pressure stabilizing device for oil and gas storage and transportation, which is designed to solve the problem of unstable connection between pipelines and high maintenance cost. The device is provided with a connecting mechanism, which can realize stable connection between the pipeline bodies by inserting the pipeline bodies into the annular limiting grooves and cooperating with the bolts and nuts. The device also has good overall sealing performance and can be conveniently and low-costly maintained and replaced. In addition, the device is provided with multiple positioning columns, which reduces the complexity of installation.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A pipeline pressure stabilizing device for oil and gas storage and transportation, comprising two pipeline bodies; a connecting mechanism, the connecting mechanism comprises a circular connecting piece arranged between the two pipeline bodies, a cylindrical through slot is horizontally provided on the front side of the circular connecting piece, annular limiting grooves are symmetrically provided on the front and rear sides of the circular connecting piece, the opposite ends of the two pipeline bodies are slidably connected with the inner walls of the corresponding annular limiting grooves, first annular sealing rings are fixedly connected on the inner walls of the opposite sides of the two annular limiting grooves, and second annular sealing rings are fixedly connected on the front and rear sides of the circular connecting piece.

[0007] Preferably, the outer sides of the two pipeline bodies are fixedly connected with annular mounting pieces, and multiple mounting holes are equally spaced and circumferentially provided in the two annular mounting pieces.

[0008] Preferably, the two first annular sealing rings cooperate with the corresponding pipeline bodies, and the two second annular sealing rings cooperate with the corresponding annular mounting pieces.

[0009] Preferably, the two sides of the circular connecting piece are fixedly connected with two positioning rods, and the opposite sides of the two ring-shaped mounting pieces are provided with two cylindrical positioning grooves.

[0010] Preferably, the two positioning rods are matched with the corresponding cylindrical positioning grooves.

[0011] Preferably, bolts are arranged in the mounting holes on the rear side, and nuts are arranged on the front side of the mounting holes on the front side.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The connecting mechanism is arranged, the two pipeline bodies are inserted into the corresponding ring-shaped limiting grooves, the stable connection between the two pipeline bodies is conveniently realized by cooperating with the plurality of bolts and nuts, the connecting mechanism can be conveniently maintained and replaced in the future, the actual maintenance cost is reduced, the two first ring-shaped sealing rings and the two second ring-shaped sealing rings are arranged, the sealing performance is good, the plurality of positioning columns and the corresponding cylindrical positioning grooves are arranged, the pre-positioning before installation can be realized, and the complexity during installation is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A structural schematic view of an oil and gas storage and transportation pipeline pressure stabilizing device is provided for the utility model;

[0015] Figure 2 A Figure 1 An expanded view after the plurality of bolts and the plurality of nuts are removed;

[0016] Figure 3 A Figure 2 Partial structural schematic view.

[0017] In the drawing: 1, pipeline body; 2, circular connecting piece; 3, cylindrical through groove; 4, ring-shaped limiting groove; 5, first ring-shaped sealing ring; 6, second ring-shaped sealing ring; 7, ring-shaped mounting piece; 8, mounting hole; 9, positioning rod; 10, cylindrical positioning groove; 11, bolt; 12, nut. DETAILED DESCRIPTION

[0018] The technical solutions in the utility model embodiments will be clearly and completely described below with reference to the drawings in the utility model embodiments.

[0019] Refer to Figures 1-3The utility model relates to an oil and gas storage and transportation pipeline pressure stabilizing device, including two pipeline bodies 1, the outside of two pipeline bodies 1 is fixedly connected with annular mounting piece 7, two annular mounting pieces 7 are circularly and equidistantly provided with a plurality of mounting holes 8,

[0020] Wherein, still include connecting mechanism, connecting mechanism includes the circular connecting piece 2 of setting between two pipeline bodies 1, the horizontal columnar through slot 3 of being provided with in the front side of circular connecting piece 2, the columnar through slot 3 is used for oil gas delivery, the front and rear two sides of circular connecting piece 2 are symmetrically provided with annular limit slot 4, the facing end of two pipeline bodies 1 is slidably connected with the inner wall of corresponding annular limit slot 4, and the annular limit slot 4 can limit the majority of movement of the pipeline body 1, to ensure the stability of the overall connection, the facing side inner wall of two annular limit slots 4 is fixedly connected with the first annular sealing ring 5, and the two first annular sealing rings 5 are matched with the corresponding pipeline body 1, can improve the sealing property when the pipeline body 1 is connected, the front and rear two sides of circular connecting piece 2 are fixedly connected with the second annular sealing ring 6, and the two second annular sealing rings 6 are matched with the corresponding annular mounting piece 7, which can further improve the sealing property when the pipeline body 1 is connected,

[0021] Wherein, the front and rear two sides of circular connecting piece 2 are fixedly connected with two positioning rods 9, the facing side of two annular mounting pieces 7 is provided with two columnar positioning grooves 10, and the two positioning rods 9 are matched with the corresponding columnar positioning grooves 10, by inserting the plurality of positioning rods 9 into the corresponding columnar positioning grooves 10, the pre-positioning before subsequent installation can be realized, without manually aligning each mounting hole 8, the plurality of mounting holes 8 located on the rear side are provided with bolts 11 in penetration, and the front side of the plurality of mounting holes 8 located on the front side is provided with nuts 12, and the threaded end of each bolt 11 is threadedly connected with the corresponding nut 12.

[0022] In the utility model, when using, the circular connecting piece 2 is placed between the two pipeline bodies 1, then the two positioning rods 9 on the rear side are respectively aligned with the two columnar positioning grooves 10 on the annular mounting piece 7 on the rear side and are inserted to realize the pre-positioning before subsequent installation, after insertion, the front end of the pipeline body 1 on the rear side is inserted into the annular limit slot 4 on the rear side and is attached with the corresponding first annular sealing ring 5, simultaneously, the annular mounting piece 7 on the rear side is attached with the corresponding second annular sealing ring 6, and the pipeline body 1 on the front side can be inserted into the annular limit slot 4 on the front side in the same way, so that the preparation work before installation can be completed,

[0023] After the above operation is completed, the plurality of bolts 11 are sequentially penetrated through the corresponding mounting holes 8, and finally the plurality of nuts 12 are threadedly connected with the corresponding bolts 11 (for example, Figure 1The installation is completed, the whole installation process is convenient and fast, the sleeve type limiting of the two pipeline bodies 1 by the circular connecting piece 2 can improve the stability of the pipeline connecting part, two first annular sealing rings 5 and two second annular sealing rings 6 are arranged, the actual sealing effect can be further improved, and when the circular connecting piece 2 and the first annular sealing ring 5 and the second annular sealing ring 6 thereon are damaged, the whole connecting mechanism can be directly replaced conveniently, and the actual maintenance cost is reduced.

[0024] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A pressure stabilizing device for oil and gas pipelines, characterized in that, Include: Two pipeline bodies (1); Connecting mechanism, the connecting mechanism includes the round connecting piece (2) arranged between two pipeline bodies (1), the cylindrical through slot (3) is horizontally opened in the front side of the round connecting piece (2), the annular limiting groove (4) is symmetrically opened in the front and back sides of the round connecting piece (2), the opposite ends of two pipeline bodies (1) are all with the inner wall of corresponding annular limiting groove (4) sliding connection, the opposite side inner walls of two annular limiting grooves (4) are all fixedly connected with first annular sealing ring (5), the front and back sides of the round connecting piece (2) are all fixedly connected with second annular sealing ring (6).

2. The pressure stabilizing device for oil and gas pipeline according to claim 1, characterized in that, The outer side of two pipeline bodies (1) is all fixedly connected with annular mounting piece (7), and multiple mounting holes (8) are circumferentially and equidistantly provided in two annular mounting pieces (7).

3. The pressure stabilizing device for oil and gas pipeline according to claim 2, characterized in that, Two first annular sealing rings (5) are all matched with corresponding pipeline body (1), and two second annular sealing rings (6) are all matched with corresponding annular mounting piece (7).

4. The pressure stabilizing device for oil and gas storage and transportation pipeline according to claim 2, characterized in that, The front and back sides of the round connecting piece (2) are all fixedly connected with two positioning rods (9), and the opposite sides of two annular mounting pieces (7) are all provided with two cylindrical positioning grooves (10).

5. The pressure stabilizing device for oil and gas pipeline according to claim 4, characterized in that, Two positioning rods (9) are all matched with corresponding cylindrical positioning groove (10).

6. The pressure stabilizing device for oil and gas storage and transportation pipeline according to claim 2, characterized in that, The bolt (11) is all provided in multiple mounting holes (8) on the rear side, and the nut (12) is all provided on the front side of multiple mounting holes (8) on the front side, and the threaded end of each bolt (11) is all threadedly connected with corresponding nut (12).

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