Anti-corrosion device for oil and gas storage and transportation pipeline

Abstract

The anti-corrosion device for the oil and gas storage and transportation pipeline comprises a first expansion area and a second expansion area, a rotating shaft is rotatably connected between the right sides of the first expansion area and the second expansion area, a plurality of first guide rollers are rotatably arranged on the rear side of the first expansion area, and first guide rails are arranged between the first guide rollers in a sliding mode. A plurality of second guide rollers are rotationally arranged on the rear side of the second expansion area, a second guide rail is slidably arranged between the second guide rollers, and an oil brush is arranged on the left edge of the second guide rail; grooves are formed in the inner sides of the first guide rail and the second guide rail, and hinges are arranged in the grooves. According to the utility model, the first expansion area and the second expansion area are arranged, so that pipelines with different diameters can be quickly adapted, and through the matching of the guide rail and the oil brush, the uniform oil coating on the joints of the pipelines is realized, the contact between the joints and air is effectively reduced, the oxidation corrosion risk is reduced, and the anti-corrosion treatment efficiency is obviously improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to oil and gas storage and transportation technical field, more particularly to a kind of anticorrosive device for oil and gas storage and transportation pipeline. BACKGROUND

[0002] In the field of oil and gas storage and transportation, the anticorrosion treatment of pipeline is the key link to ensure the safety of oil and gas transportation and the service life of pipeline.

[0003] During the long-term use of oil and gas pipeline, especially the flange interface of pipeline connection, it is easy to be oxidized and corroded due to long-term exposure to air, which increases the risk of pipeline leakage, affects the efficiency of oil and gas transportation, and may even cause safety accidents. The traditional anticorrosion treatment method is manual brushing of anticorrosive oil, but this method has the problems of low efficiency, uneven brushing and difficulty in covering the dead angle of pipeline connection, which cannot effectively meet the anticorrosion demand of oil and gas pipeline.

[0004] Therefore, an anticorrosive device for oil and gas storage and transportation pipeline is designed. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims to provide an anticorrosive device for oil and gas storage and transportation pipeline to solve the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an anticorrosive device for oil and gas storage and transportation pipeline, comprising a first expansion zone and a second expansion zone, a rotating shaft is rotatably connected between the right sides of the first expansion zone and the second expansion zone, a plurality of first guide rollers are rotatably arranged on the rear side of the first expansion zone, a first guide rail is slidably arranged between the first guide rollers, a plurality of second guide rollers are rotatably arranged on the rear side of the second expansion zone, a second guide rail is slidably arranged between the second guide rollers, and an oil brush is arranged on the left edge of the second guide rail.

[0007] Preferably, grooves are formed in the inner sides of the first guide rail and the second guide rail, and hinges are arranged in the grooves.

[0008] Preferably, the inner sides of the first guide rail and the second guide rail are round and smooth.

[0009] Preferably, meshing teeth are arranged on the inner sides of the first guide rail and the second guide rail, a first receiving plate is arranged on the inner sides of the first expansion zone and the second expansion zone, a first receiving shaft is rotatably arranged on the first receiving plate, and a gear is arranged on the first receiving shaft.

[0010] Preferably, a second receiving shaft is rotatably arranged on the front side of the first rotating shaft, and a belt is connected between the second receiving shaft and the two first receiving shafts.

[0011] Preferably, a rocker is arranged on the front side of the second receiving shaft.

[0012] Preferably, the first expansion area is provided with a first handle on the right side, the second expansion area is provided with a second handle on the right side, and the second handle and the first handle are connected with a spring.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The first expansion area and the second expansion area are arranged, different diameter pipelines can be quickly matched, the cooperation of the guide rail and the oil brush is achieved, the pipeline connection is uniformly oiled, the contact between the joint and the air is effectively reduced, the oxidation corrosion risk is reduced, and the anticorrosion treatment efficiency is significantly improved.

[0015] In the utility model, the expansion area can be expanded and reduced by pressing the handle, the device can be quickly inserted into the outside of the pipeline and positioned, then the guide rail is driven to rotate by the rocker, the oil brush is driven to move in a circle, and the dead angle operation of oiling is effectively completed.

[0016] The gear and the meshing tooth are engaged and driven, and the first receiving shaft and the second receiving shaft are connected by the belt, so that the stability and reliability of the guide rail rotation are ensured, and the service life of the device is prolonged.

[0017] The utility model can effectively reduce the risk caused by manual operation, avoid the pipeline corrosion problem caused by uneven or missed manual brushing, and improve the overall safety of the oil and gas storage and transportation system. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0019] Figure 2 It is another perspective three-dimensional structure schematic view of the utility model;

[0020] Figure 3 It is a first partial three-dimensional structure schematic view of the utility model;

[0021] Figure 4 It is a second partial three-dimensional structure schematic view of the utility model;

[0022] Figure 5 It is an enlarged schematic view of a.

[0023] Reference numerals in the drawing: 1-first expansion area, 2-second expansion area, 4-rotating shaft, 5-first guide roller, 6-first guide rail, 7-second guide roller, 8-second guide rail, 9-oil brush, 10-groove, 11-hinge, 12-meshing tooth, 13-first receiving plate, 14-first receiving shaft, 15-gear, 16-second receiving shaft, 17-belt, 18-rocker, 19-first handle, 20-second handle, 21-spring. DETAILED DESCRIPTION

[0024] 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.

[0025] Example 1

[0026] like Figures 1 to 5 The corrosion protection device for oil and gas storage and transportation pipelines shown includes a first expansion zone 1 and a second expansion zone 2. A rotating shaft 4 is rotatably connected between the right sides of the first expansion zone 1 and the second expansion zone 2. Multiple first guide rollers 5 are rotatably arranged on the rear side of the first expansion zone 1, and first guide rails 6 are slidably arranged between the first guide rollers 5. Multiple second guide rollers 7 are rotatably arranged on the rear side of the second expansion zone 2, and second guide rails 8 are slidably arranged between the second guide rollers 7. An oil brush 9 is provided at the left edge of the second guide rail 8. Grooves 10 are opened on the inner sides of both the first guide rail 6 and the second guide rail 8, and hinges 11 are provided in the grooves 10. The inner sides of both the first guide rail 6 and the second guide rail 8 are rounded. The first guide rail 6 and the second guide rail 8 are both provided with meshing teeth 12 on their inner sides. The first expansion area 1 and the second expansion area 2 are provided with a first receiving plate 13. A first receiving shaft 14 is rotatably provided on the first receiving plate 13. A gear 15 is provided on the first receiving shaft 14. A second receiving shaft 16 is rotatably provided on the front side of the first rotating shaft 4. A belt 17 is connected between the second receiving shaft 16 and the two first receiving shafts 14. A rocker arm 18 is provided on the front side of the second receiving shaft 16. A first handle 19 is provided on the right side of the first expansion area 1. A second handle 20 is provided on the right side of the second expansion area 2. A spring 21 is connected between the second handle 20 and the first handle 19.

[0027] This invention, by setting a first expansion zone 1 and a second expansion zone 2, can quickly adapt to pipes of different diameters. Through the cooperation of the guide rail and the oil brush 9, it achieves uniform oiling at pipe joints, effectively reducing contact between the joints and air, lowering the risk of oxidation and corrosion, and significantly improving the efficiency of anti-corrosion treatment. In this invention, the expansion zone can be opened and closed by pressing the handle, facilitating quick insertion and positioning of the device on the outside of the pipe. Then, the guide rail is driven to rotate by the rocker arm 18, causing the oil brush 9 to move in a circular motion, effectively completing the oiling operation without dead angles. This invention, through the meshing transmission of the gear 15 and the meshing teeth 12, and the connection of the first receiving shaft 14 and the second receiving shaft 16 by the belt 17, ensures the stability and reliability of the guide rail rotation, extending the service life of the device. This invention can effectively reduce the risks associated with manual operation, avoiding pipe corrosion problems caused by uneven or missed manual coating, thereby improving the overall safety of the oil and gas storage and transportation system.

[0028] Example 2

[0029] As Figures 1 to 5 The oil and gas storage and transportation pipeline anticorrosion device shown in the figure, including at least two storage and transportation pipeline, the pipeline between the connection has a flange, the embodiment mainly realizes the oiling treatment of the flange connection port; Specifically including first expansion area 1 and second expansion area 2, first expansion area 1, second expansion area 2 are semicircular, and the right side is rotatably connected with the shaft 4, that is, after being fixed in the horizontal position of the shaft 4, the first expansion area 1 and the second expansion area 2 can be driven to rotate alone or together with the shaft 4 as the center position, and then when the first handle 19 is arranged on the right side of the first expansion area 1, and the second handle 20 is arranged on the right side of the second expansion area 2, the first expansion area 1 and the second expansion area 2 can be driven to swing by pressing the first handle 19 and the second handle 20, the internal area is expanded, the first expansion area 1 and the second expansion area 2 can be easily inserted into the outside of the pipeline, and the spring 21 is stretched during the period; Then no longer force is applied to the first handle 19 and the second handle 20, the spring 21 is compressed to drive the first handle 19 and the second handle 20 to shrink to the original state.

[0030] Further, a plurality of first guide rollers 5 are rotatably arranged on the rear side of the first expansion area 1, and the first guide rollers 5 are specifically shaped as I-shaped rollers, and then a first guide rail 6 is slidably arranged between the first guide rollers 5, that is, the first guide rail 6 is clamped between the two horizontal sides of the "I" shape and slides, and a second guide roller 7 is rotatably arranged on the rear side of the second expansion area 2, and the second guide roller 7 is also an I-shaped roller, and a second guide rail 8 is slidably arranged between the second guide rollers 7; It can be understood that the first expansion area 1 and the second expansion area 2 in the embodiment mainly rely on the rotation for adapting to the cylindrical pipeline, and a disconnection area is arranged between the first expansion area 1 and the second expansion area 2, and the length of the single guide rail is greater than the disconnection area, so that the guide rail can slide and operate in a circular manner in the expansion area.

[0031] The first guide rail 6 and the second guide rail 8 also need to adapt to the track distribution of the first expansion area 1 and the second expansion area 2, so grooves 10 are formed in the inner sides of the first guide rail 6 and the second guide rail 8, hinges 11 are arranged in the grooves 10, and the hinges 11 are respectively arranged on the sides of the first guide rail 6 and the second guide rail 8 that are in contact, and the inner side edges of the first guide rail 6 and the second guide rail 8 that are in contact are arranged in a smooth shape, so that the first guide rail 6 and the second guide rail 8 can also be opened under the action of the hinges 11 when they are inserted into the pipeline in the expansion area, and then they are reset by shrinking after being inserted; After recovery, the first guide rail 6 and the second guide rail 8 can slide and operate in a circular manner between the guide rollers, and it can be understood that the oiling brush 9 can be placed at the end of the first guide rail 6 or the second guide rail 8, and then it can be driven to move around the pipeline in a circular manner by the first guide rail 6 and the second guide rail 8, so as to realize uniform oiling of the pipeline interface, so that the joint will not be exposed to the air for a long time, and the joint will not be oxidized and corroded by being in contact with the air for a long time.

[0032] Embodiment 3

[0033] As Figures 1 to 5 shown in a kind of anticorrosive device for oil and gas storage and transportation pipeline, described in embodiment 2 drive first guide rail 6 and second guide rail 8 between guide roller circumferential motion, drive the oiling brush 9 on it to the pipeline interface is uniformly oiled, so that the joint will not be exposed to air for a long time, reduce the joint is oxidized and corroded by being in contact with air for a long time;Then the embodiment mainly solves the drive of first guide rail 6 and second guide rail 8.

[0034] The inner side of first expansion zone 1 and second expansion zone 2 is provided with first receiving plate 13, first receiving shaft 14 is rotatably arranged on first receiving plate 13, gear 15 is arranged on first receiving shaft 14;At the same time, second receiving shaft 16 is rotatably arranged on the front side of rotating shaft 4, it should be pointed out that rotating shaft 4 itself is rotatably arranged, second receiving shaft 16 is also rotatably arranged on rotating shaft 4, and they do not affect each other;Second receiving shaft 16 is connected with two first receiving shafts 14 by belt 17, that is, belt 17 is triangular, so that when first expansion zone 1 and second expansion zone 2 are expanded or reduced, the length of the three sides of belt 17 changes correspondingly, so as to keep the connection of first receiving shaft 14 and second receiving shaft 16.

[0035] After the expansion zone and the guide rail are positioned to the outside of the pipeline, rotating shaft 4 can be driven to rotate, and then first receiving shaft 14 can be driven to rotate by belt 17;When gear 15 is arranged on first receiving shaft 14, and engaging teeth 12 are arranged on the inner side of first guide rail 6 and second guide rail 8, engaging teeth 12 are engaged with gear 15, first receiving shaft 14 is rotated to drive first guide rail 6 and second guide rail 8 to rotate by gear 15, to drive the oiling brush 9 on them to rotate, to realize uniform oiling of the pipeline interface, so that the joint will not be exposed to air for a long time, reduce the joint is oxidized and corroded by being in contact with air for a long time.

[0036] Embodiment 4

[0037] As Figures 1 to 5 shown in a kind of anticorrosive device for oil and gas storage and transportation pipeline, for further increasing the convenience of oiling operation, rocker 18 is arranged on the right side of second receiving shaft 16, so that the staff can place the device on the outside of the pipeline, rotate rocker 18 to drive second receiving shaft 16 to rotate, second receiving shaft 16 rotates to drive belt 17 to rotate, belt 17 rotates to drive first receiving shaft 14 and gear 15 to rotate, gear 15 rotates to drive the guide rail to rotate by engaging teeth 12, and the oiling operation is completed.

[0038] It is to be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0039] The above description is merely intended to illustrate the technical solutions of the present application, but not to limit the present application. Other modifications or equivalent replacements to the technical solutions of the present application made by those skilled in the art shall be included in the scope of the claims of the present application, as long as these modifications or equivalent replacements do not depart from the spirit and scope of the technical solutions of the present application.

Claims

1. A corrosion protection device for oil and gas storage and transportation pipelines, comprising a first expansion zone and a second expansion zone, wherein a rotating shaft is rotatably connected between the right sides of the first expansion zone and the second expansion zone, characterized in that, Multiple first guide rollers are rotatably provided on the rear side of the first expansion zone, and a first guide rail is slidably provided between the first guide rollers. Multiple second guide rollers are rotatably provided on the rear side of the second expansion zone, and a second guide rail is slidably provided between the second guide rollers. An oil brush is provided at the left edge of the second guide rail.

2. The anti-corrosion device for oil and gas storage and transportation pipelines according to claim 1, characterized in that, The first and second guide rails each have grooves on their inner sides, and hinges are installed in the grooves.

3. The anti-corrosion device for oil and gas storage and transportation pipelines according to claim 2, characterized in that, The inner sides of both the first and second guide rails are rounded.

4. The anti-corrosion device for oil and gas storage and transportation pipelines according to claim 1, characterized in that, The first guide rail and the second guide rail are both provided with meshing teeth on their inner sides. The first expansion area and the second expansion area are provided with a first receiving plate. The first receiving plate is rotatably provided with a first receiving shaft. The first receiving shaft is provided with a gear. The front side of the rotating shaft is rotatably provided with a second receiving shaft. The second receiving shaft is connected to the two first receiving shafts by a belt.

5. The anti-corrosion device for oil and gas storage and transportation pipelines according to claim 4, characterized in that, A rocker arm is provided on the front side of the second receiving shaft.

6. The anti-corrosion device for oil and gas storage and transportation pipelines according to claim 1, characterized in that, A first handle is provided on the right side of the first expansion area, and a second handle is provided on the right side of the second expansion area. A spring connects the second handle and the first handle.

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