Device for detecting corrosion degree of inner wall of crude oil pipeline

Abstract

The utility model discloses a crude oil pipeline inner wall corrosion degree detection device which comprises a positioning cylinder, the positioning cylinder is detachably connected with the middle of the outer side of a rotating shaft, a plurality of installation frames are arranged on the outer side of the positioning cylinder at equal intervals, meanwhile, detectors are connected into the installation frames in a clamped mode, and one end of the rotating shaft is connected with a driving assembly. The other end of the rotating shaft is connected with the cleaning assembly, and the cleaning assembly comprises a positioning moving frame body, a limiting frame, a rotating hand rod, a limiting wheel, a push rod and a scraping plate. According to the device for detecting the corrosion degree of the inner wall of the crude oil pipeline, a bidirectional motor is arranged to drive a rotating shaft to rotate, and meanwhile, a cleaning assembly rotates synchronously, so that a scraping plate scrapes oil stains adhered to the inner wall of the pipeline body, the accuracy of a detection result is improved, and the situation that the corrosion degree is damaged due to long-time use is avoided. Rusty scale in the pipe is solidified, so that the pipe diameter is reduced, dirt is deposited on the pipe wall, the pipeline is blocked, the cleaning effect on the interior of the pipeline is improved, and smoothness of the pipeline is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to crude oil pipeline detection related technical field, concretely is a crude oil pipeline inner wall detects corrosion degree device. BACKGROUND

[0002] Crude oil pipeline refers to the long distance transportation crude oil oil pipeline. Pipeline corrosion can be divided into two kinds of internal and external corrosion, pipeline internal corrosion refers to the corrosion of the transmission medium in the pipeline Corrosive impurities corrode the pipeline, cause the pipeline to produce pitting, blistering and other damages to the internal pipe body, the existing technology will use ultrasonic detector for pipeline internal corrosion detection.

[0003] The existing detection device uses a probe to detect the pipeline during use, but cannot clean the inner wall of the pipeline while detecting the pipeline, and the accumulation of debris on the inner wall of the pipeline causes pipeline blockage, which can easily cause serious safety accidents. In view of the above problems, the existing equipment needs to be improved. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of crude oil pipeline inner wall detection corrosion degree devices, to solve the problem that the existing detection device in the above background technology is used, utilizes probe to detect pipeline, but cannot clean the inner wall of the pipeline while detecting the pipeline, and the accumulation of debris on the inner wall of the pipeline causes pipeline blockage, which can easily cause serious safety accidents.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of crude oil pipeline inner wall detection corrosion degree device, including positioning cylinder,

[0006] The positioning cylinder is detachably connected with the outer side of the rotating shaft, and a plurality of mounting frames are equidistantly arranged on the outer side of the positioning cylinder. The detector is clamped and connected inside the mounting frame. One end of the rotating shaft is connected with the driving assembly, and the other end of the rotating shaft is connected with the cleaning assembly. The cleaning assembly includes a positioning moving frame body, a rotating handle, a limiting wheel, a push rod and a scraper. The outer side of the positioning moving frame body is attached to the inner wall of the pipeline body. A limiting frame is arranged on the side of the positioning moving frame body away from the rotating shaft. A rotating handle is arranged in the outer end of the limiting frame. The rotating handle is connected with the limiting wheel through the upper limiting frame. A sliding groove is formed in the outer side of the limiting wheel. The push rod is slidably connected with the sliding groove. The other end of the push rod is connected with the scraper through the limiting frame.

[0007] Preferably, the driving assembly comprises a first sealing side plate, the first sealing side plate is attached to the inner wall of the pipeline body, and a positioning frame is rotatably connected to the inner wall of the first sealing side plate near the two ends of one side of the positioning cylinder, and a first rotating wheel is rotatably connected to the other end of the positioning frame; the first sealing side plate is provided with a protection box in the middle of one side of the positioning cylinder, the protection box is attached to the bottom of the corresponding first rotating wheel on the outside, a double-way motor is provided in the middle of the protection box, and a connecting shaft is provided at one end of the double-way motor and connected to the fan blade through a first bearing provided on the first sealing side plate.

[0008] Preferably, the protection box is provided with a storage battery and a backup battery symmetrically about the double-way motor, and a second bearing is provided at the connection between the protection box and the rotating shaft, and one end of the rotating shaft is connected to the conveying end of the other side of the double-way motor.

[0009] Preferably, the positioning moving frame body comprises a second sealing side plate, a mounting frame and a second rotating wheel, the mounting frame is symmetrically provided on one side of the second sealing side plate, the mounting frame has an L-shaped structure, and the second rotating wheel is rotatably connected between the mounting frame and the second sealing side plate.

[0010] Preferably, the limiting wheel has an oval structure, and the limiting wheel is rotatably connected to the limiting frame through the rotating handle.

[0011] Preferably, the cleaning assembly is rotatably connected to the pipeline body through the rotating shaft and the double-way motor.

[0012] Compared with the prior art, the crude oil pipeline inner wall corrosion degree detection device has the advantages that,

[0013] In order to solve the problem that the existing detection device uses a probe to detect the pipeline, but cannot clean the inner wall of the pipeline while detecting the pipeline, and the debris accumulated on the inner wall of the pipeline causes the pipeline to be blocked, which easily causes serious safety accidents, the double-way motor drives the rotating shaft to rotate, and the cleaning assembly rotates synchronously, so that the scraper removes the oil stains adhered to the inner wall of the pipeline body, thereby improving the accuracy of the detection result, and avoiding the problem that the rust and dirt in the pipeline solidify and cause the pipe diameter to become smaller, and the dirt deposits on the pipe wall, resulting in pipeline blockage, which is beneficial to improve the cleaning effect of the pipeline and ensure the smoothness of the pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view structural schematic diagram of the utility model;

[0015] Figure 2 It is a front view sectional structure schematic diagram of the driving assembly of the utility model;

[0016] Figure 3 It is the front view section structure schematic view of the cleaning assembly of the utility model.

[0017] Figure 4 It is the three-dimensional structure schematic view of the limiting wheel of the utility model.

[0018] In the figure: 1, pipeline body; 2, positioning cylinder; 3, mounting frame; 4, detector; 5, rotating shaft; 6, driving assembly; 601, first sealing side plate; 602, positioning frame; 603, first rotating wheel; 604, protection box; 605, bidirectional motor; 606, connecting shaft; 607, first bearing; 608, fan blade; 609, storage battery; 610, standby battery; 611, second bearing; 7, cleaning assembly; 701, second sealing side plate; 702, mounting frame; 703, second rotating wheel; 704, limiting frame; 705, rotating hand lever; 706, limiting wheel; 707, push rod; 708, scraper. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a crude oil pipeline inner wall detects corrosion degree device, according to Figure 1 And Figure 2As shown, the positioning cylinder 2 is detachably connected to the outside of the rotating shaft 5, and a plurality of mounting frames 3 are equidistantly arranged on the outside of the positioning cylinder 2, and the detectors 4 are clamped and connected inside the mounting frames 3. The detector 4 is a prior art, which is convenient for detecting the corrosion degree inside the pipeline body 1, so as to facilitate the staff to understand the internal condition of the pipeline body 1. One end of the rotating shaft 5 is connected with the driving assembly 6. The driving assembly 6 comprises a first sealing side plate 601 which is attached to the inner wall of the pipeline body 1, and a positioning frame 602 is rotatably connected to the inside of both ends of the side of the first sealing side plate 601 close to the positioning cylinder 2, and a first rotating wheel 603 is rotatably connected to the other end of the positioning frame 602. The first rotating wheel 603 makes the first sealing side plate 601 move more stably. A protection box 604 is arranged in the middle of the side of the first sealing side plate 601 close to the positioning cylinder 2, and the bottom of the first rotating wheel 603 is attached to the outside of the protection box 604. A bidirectional motor 605 is arranged in the middle of the inside of the protection box 604, and a connecting shaft 606 is arranged at one end of the bidirectional motor 605, and the connecting shaft 606 is connected with a fan blade 608 through a first bearing 607 arranged on the first sealing side plate 601. A storage battery 609 and a backup battery 610 are symmetrically arranged inside the protection box 604 with respect to the bidirectional motor 605. The storage battery 609 and the backup battery 610 provide power support for the detector 4 and the bidirectional motor 605. A second bearing 611 is arranged at the connection between the protection box 604 and the rotating shaft 5, and one end of the rotating shaft 5 is connected with the delivery end on the other side of the bidirectional motor 605.

[0021] In use, the connecting shaft 606 and the fan blade 608 are driven to rotate by the bidirectional motor 605, so that the fan blade 608 rotates in the fluid to generate a thrust, and the first sealing side plate 601 moves inside the pipeline body 1, so that the detectors 4 mounted on the outside of the positioning cylinder 2 detect the corrosion condition inside the pipeline body 1.

[0022] According to Figure 1 , Figure 3 and Figure 4As shown, the other end of the rotating shaft 5 is connected with the cleaning assembly 7, and the cleaning assembly 7 comprises a positioning moving frame body, a rotating hand lever 705, a limiting wheel 706, a push rod 707 and a scraper 708. The positioning moving frame body is attached to the inner wall of the pipeline body 1, and comprises a second sealing side plate 701, a mounting frame 702 and a second rotating wheel 703. The mounting frame 702 is symmetrically arranged on the second sealing side plate 701, and the mounting frame 702 is an L-shaped structure. The second rotating wheel 703 is rotatably connected between the mounting frame 702 and the second sealing side plate 701, and is attached to the inner wall of the pipeline body 1. The second rotating wheel 703 can improve the stability of the second sealing side plate 701 when rotating in the pipeline body 1. A limiting frame 704 is arranged on the side of the positioning moving frame body away from the rotating shaft 5, and the rotating hand lever 705 is arranged in the middle of the outer end of the limiting frame 704. The rotating hand lever 705 is connected to the limiting wheel 706 through the limiting frame 704. A sliding groove is formed in the middle of the outer side of the limiting wheel 706, and the push rod 707 is slidably connected to the sliding groove. The limiting wheel 706 is an oval structure, and is rotatably connected to the limiting frame 704 through the rotating hand lever 705. The other end of the push rod 707 is connected to the scraper 708. The cleaning assembly 7 is rotatably connected to the pipeline body 1 through the rotating shaft 5 and the bidirectional motor 605.

[0023] In use, the limiting wheel 706 is rotated by rotating the rotating hand lever 705, so that the limiting wheel 706 pushes the push rod 707 to move outwardly from the limiting frame 704, so that the scraper 708 is attached to the inner wall of the pipeline body 1. Then, the bidirectional motor 605 drives the rotating shaft 5 and the second sealing side plate 701 to rotate synchronously, so that the scraper 708 scrapes off the oil stains adhered to the inner wall of the pipeline body 1, thereby ensuring the smoothness of the pipeline body 1 and the accuracy of the corrosion detection result of the detector 4.

[0024] The terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only a simplified description for the convenience of describing the utility model, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the protection scope of the utility model.

[0025] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A crude oil pipeline inner wall corrosion detection device, comprising a positioning cylinder (2), characterized in that: the positioning cylinder (2) is detachably connected to the outside of the rotating shaft (5), and a plurality of mounting frames (3) are equidistantly arranged on the outside of the positioning cylinder (2), and the detector (4) is clamped and connected inside the mounting frame (3); one end of the rotating shaft (5) is connected with the driving assembly (6), and the other end of the rotating shaft (5) is connected with the cleaning assembly (7), and the cleaning assembly (7) comprises a positioning moving frame body, a limiting frame (704), a rotating hand lever (705), a limiting wheel (706), a push rod (707) and a scraper (708); the outside of the positioning moving frame body is attached to the inner wall of the pipeline body (1), and a limiting frame (704) is arranged in the middle of the side of the positioning moving frame body away from the rotating shaft (5), and a rotating hand lever (705) is arranged in the middle of the outer end of the limiting frame (704); the rotating hand lever (705) penetrates through the limiting frame (704) and is connected in the middle of the limiting wheel (706), and the sliding groove formed in the middle of the outer side of the limiting wheel (706) is slidably connected with the one end of the corresponding push rod (707), and the other end of the push rod (707) penetrates through the limiting frame (704) and is connected with the scraper (708). The driving assembly (6) comprises a first sealing side plate (601), the first sealing side plate (601) is attached to the inner wall of the pipeline body (1), and a positioning frame (602) is rotatably connected inside the two ends of the side of the first sealing side plate (601) close to the positioning cylinder (2), and a first rotating wheel (603) is rotatably connected in the middle of the other end of the positioning frame (602); a protection box (604) is arranged in the middle of the side of the first sealing side plate (601) close to the positioning cylinder (2), and the outer side of the protection box (604) is attached to the bottom of the corresponding first rotating wheel (603); a bidirectional motor (605) is arranged in the middle of the inside of the protection box (604), and a connecting shaft (606) is arranged at one end of the bidirectional motor (605) and connected with a fan blade (608) through a first bearing (607) arranged on the first sealing side plate (601).

2. The apparatus for detecting the degree of corrosion on the inner wall of a crude oil pipeline according to claim 1, wherein: The protection box (604) is symmetrically provided with a storage battery (609) and a backup battery (610) inside about the bidirectional motor (605), and a second bearing (611) is arranged at the connection between the protection box (604) and the rotating shaft (5), and one end of the rotating shaft (5) is connected with the conveying end on the other side of the bidirectional motor (605).

3. The apparatus for detecting the degree of corrosion on the inner wall of a crude oil pipeline according to claim 2, wherein: The positioning moving frame body comprises a second sealing side plate (701), a mounting frame (702) and a second rotating wheel (703), the mounting frame (702) is symmetrically arranged on the side of the second sealing side plate (701) close to the rotating shaft (5), and the mounting frame (702) is L-shaped, and the second rotating wheel (703) is rotatably connected between the mounting frame (702) and the second sealing side plate (701), and the second rotating wheel (703) is attached to the inner wall of the pipeline body (1).

4. The apparatus for detecting the degree of corrosion on the inner wall of a crude oil pipeline according to claim 1, wherein: ​ 5. The apparatus for detecting the degree of corrosion on the inner wall of a crude oil pipeline according to claim 1, wherein: The limiting wheel (706) is an elliptical structure, and the limiting wheel (706) is rotationally connected with the limiting frame (704) through the rotating handle (705).

6. The apparatus for detecting the degree of corrosion of the inner wall of a crude oil pipeline according to claim 1, wherein: The cleaning assembly (7) is rotationally connected with the pipeline body (1) through the rotating shaft (5) and the bidirectional motor (605).

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