CN111495811A

CN111495811A - Scraper

Info

Publication number: CN111495811A
Application number: CN202010415340.6A
Authority: CN
Inventors: 周为清; 周正军; 童广岩; 柴志刚; 周正中
Original assignee: Funing Petroleum Mechanic Co ltd
Current assignee: Funing Petroleum Mechanic Co ltd
Priority date: 2020-05-16
Filing date: 2020-05-16
Publication date: 2020-08-07

Abstract

The invention discloses a scraper, which belongs to the technical field of oil field well repair, and comprises a steel pipe body and a first box body, wherein the first box body is positioned inside the steel pipe body, a driving mechanism is arranged in the first box body, the driving mechanism is attached to the inner wall of the steel pipe body, the side walls of two sides of the first box body are respectively and fixedly connected with a third motor and a second box body, the output end of the third motor is fixedly connected with a first supporting plate, a detector and a second cylinder are respectively and fixedly connected onto the first supporting plate, the output end of the second cylinder is fixedly connected with a first fixing plate, and a scraping blade matched with the inner wall of the steel pipe body is arranged on the first fixing plate; the pipeline scraping device is simple in structure, convenient and fast to operate, suitable for pipelines with different diameters, capable of scraping various oxides and synchronously detecting damage conditions inside the pipelines, capable of properly maintaining the pipelines and greatly improving use limitation.

Description

Scraper

Technical Field

The invention relates to the technical field of oil field well repair, in particular to a scraper.

Background

In the oil field well repairing operation, the scraping work of the casing is a common working procedure of the well repairing operation and is also an important means for repairing the casing, at present, the casing scraper is often used for removing cement blocks, cement rings, hard wax, various salt crystals and sediments, perforation burrs, iron oxide and the like generated after the casing is corroded so as to be smoothly put into various downhole tools, and particularly when the space between the downhole tools and the casing inner wall ring is small, the casing scraper in the current market can be used for fully and thoroughly scraping pipelines only with the same diameter, and when the casing scraper cannot detect the damage condition of the pipelines, the pipelines are properly maintained, and the use limitation is large.

Disclosure of Invention

The invention aims to solve the problems that the scraper in the prior art can only be suitable for pipelines with the same diameter and can not detect the damage condition of the pipelines to properly maintain the pipelines and the like.

In order to achieve the purpose, the invention adopts the following technical scheme:

a scraper comprises a steel pipe body and a first box body, wherein the first box body is positioned inside the steel pipe body, a driving mechanism is arranged in the first box body, the driving mechanism is adhered to the inner wall of the steel pipe body, the side walls of the two sides of the first box body are respectively and fixedly connected with a third motor and a second box body, the output end of the third motor is fixedly connected with a first supporting plate, a detector and a second cylinder are respectively and fixedly connected onto the first supporting plate, the output end of the second cylinder is fixedly connected with a first fixing plate, a scraping blade matched with the inner wall of the steel pipe body is arranged on the first fixing plate, an electrified magnet is arranged on the inner wall of the second box body, an air pump is arranged on the electrified magnet, the input end of the air pump is connected with a first hollow pipe, the first hollow pipe is adhered to the electrified magnet, and an air suction port is arranged, the second box still is equipped with the oil storage chamber, be connected with the second hollow tube between the output of oil storage chamber and air pump, the top of second box is equipped with the third cylinder, the output end fixedly connected with second fixed plate of third cylinder, be equipped with the shower nozzle on the second fixed plate, the oil storage chamber bottom is equipped with the bellows, the one end that the oil storage chamber was kept away from to the bellows is linked together with the shower nozzle, the lateral wall of second box is equipped with the fourth motor, the output of fourth motor is connected with the second backup pad, be equipped with the fourth cylinder in the second backup pad, the output fixedly connected with third fixed plate of fourth cylinder, be equipped with on the third fixed plate with steel pipe body inner wall brush of scribbling the oil of mutually supporting.

Preferably, the driving mechanism comprises a sliding plate, a second motor and a driving wheel, the sliding plate slides on the inner wall of the first box body, the sliding plate is fixedly connected with a concave block, the second motor is fixedly connected to the side wall of the concave block, the driving wheel is connected with the output end of the second motor, and the driving wheel is attached to the inner wall of the steel pipe body.

Preferably, the first motor is fixedly connected with the inner wall of the first box body, the output end of the first motor is connected with a rotating shaft, a turbine is arranged on the rotating shaft, the inner wall of the first box body is rotatably connected with a threaded rod, a worm is arranged on the threaded rod, and the worm is meshed with the turbine.

Preferably, the lateral wall of first box is equipped with first cylinder, the output of first cylinder is connected with stably fast, be equipped with stabilizing wheel on stably fast, stabilizing wheel pastes with this internal wall of steel pipe.

Preferably, the inner wall of the first box body is provided with a sliding groove, and the sliding plate slides in the sliding groove.

Preferably, the threaded rod is in threaded connection with the slide plate.

Preferably, a one-way valve is arranged in the second hollow pipe.

Preferably, an oil inlet is formed in the oil storage chamber, and a sealing cover is connected to the oil inlet in a threaded mode.

Compared with the prior art, the invention provides a scraper which has the following beneficial effects:

when the scraper is used, the scraper is placed in a steel pipe body, a first motor is started, the first motor drives a turbine to rotate through a rotating shaft, the turbine drives a worm to rotate, the worm drives a threaded rod to rotate, the threaded rod drives a sliding plate to slide, a driving wheel is attached to the inner wall of the steel pipe body, a driving mechanism is started to drive the scraper to move forwards, a third motor is started, the third motor drives a first supporting plate to rotate, the first supporting plate drives a detector and a second cylinder to rotate, the second cylinder drives a scraping blade to rotate through a first fixing plate, various oxides on the inner wall of the steel pipe body are removed, the inside of the steel pipe body is scanned through the detector, the damage condition is judged, meanwhile, a powered magnet and an air pump are started, the scraped scrap iron is adsorbed on the powered magnet, and the air pump generates local negative pressure through a first hollow pipe and an air suction port, the adsorption efficiency of circular telegram magnet has been improved, and the air pump sends into the oil storage chamber with gaseous through the second hollow tube in, and the indoor pressure of increase oil storage is through flexible hose from shower nozzle blowout, paints at steel pipe body inner wall, starts the fourth motor, through scribbling the brush of oiling with even painting of fluid at steel pipe body inner wall.

The device has the advantages that the structure is simple, the operation is convenient, the device is suitable for pipelines with different diameters, the damaged condition in the pipeline can be synchronously detected while various oxides are scraped, the pipeline can be properly maintained, and the use limitation is greatly improved.

Drawings

Fig. 1 is a schematic structural diagram of a scraper according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1 of a scraper in accordance with the present invention;

fig. 3 is a side view of a first casing of a scraper according to the present invention;

fig. 4 is a front view of a scraper worm according to the present invention.

In the figure: 1. a steel pipe body; 2. a first case; 201. a sliding groove; 3. a sliding plate; 301. a first motor; 302. a rotating shaft; 303. a turbine; 304. a worm; 305. a threaded rod; 4. a concave block; 401. a second motor; 402. a drive wheel; 5. a first cylinder; 501. the stability is fast; 502. a stabilizing wheel; 6. a third motor; 601. a first support plate; 7. a detector; 701. a second cylinder; 702. a first fixing plate; 703. scraping the blade; 8. a second case; 801. energizing a magnet; 802. an air pump; 803. a first hollow tube; 804. an air suction port; 805. a second hollow tube; 806. a one-way valve; 9. an oil storage chamber; 901. a flexible hose; 902. a third cylinder; 903. a second fixing plate; 904. a spray head; 10. a fourth motor; 11. a second support plate; 12. a fourth cylinder; 13. a third fixing plate; 14. and (4) coating an oil brush.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, a scraper comprises a steel pipe body 1 and a first box 2, the first box 2 is located inside the steel pipe body 1, a driving mechanism is arranged in the first box 2, the driving mechanism is attached to the inner wall of the steel pipe body 1, the side walls of the two sides of the first box 2 are respectively and fixedly connected with a third motor 6 and a second box 8, the output end of the third motor 6 is fixedly connected with a first supporting plate 601, the first supporting plate 601 is respectively and fixedly connected with a detector 7 and a second cylinder 701, the output end of the second cylinder 701 is fixedly connected with a first fixing plate 702, the first fixing plate 702 is provided with a scraping blade 703 mutually matched with the inner wall of the steel pipe body 1, the inner wall of the second box 8 is provided with a powered magnet 801, the powered magnet 801 is provided with an air pump 802, the input end of the air pump 802 is connected with a first hollow pipe 803, the first hollow pipe 803 is attached to the powered magnet, the second box 8 still is equipped with oil storage chamber 9, be connected with second hollow tube 805 between the output of oil storage chamber 9 and air pump 802, the top of second box 8 is equipped with third cylinder 902, the output end fixedly connected with second fixed plate 903 of third cylinder 902, be equipped with shower nozzle 904 on the second fixed plate 903, oil storage chamber 9 bottom is equipped with expansion hose 901, the one end that oil storage chamber 9 was kept away from to expansion hose 901 is linked together with shower nozzle 904, the lateral wall of second box 8 is equipped with fourth motor 10, the output of fourth motor 10 is connected with second backup pad 11, be equipped with fourth cylinder 12 on the second backup pad 11, the output fixedly connected with third fixed plate 13 of fourth cylinder 12, be equipped with on the third fixed plate 13 with the brush 14 of scribbling of mutually supporting of steel pipe body 1 inner wall.

The driving mechanism comprises a sliding plate 3, a second motor 401 and a driving wheel 402, the sliding plate 3 slides on the inner wall of the first box body 2, a concave block 4 is fixedly connected to the sliding plate 3, the second motor 401 is fixedly connected to the side wall of the concave block 4, the driving wheel 402 is connected with the output end of the second motor 401, and the driving wheel 402 is attached to the inner wall of the steel pipe body 1.

The inner wall of the first box body 2 is fixedly connected with a first motor 301, the output end of the first motor 301 is connected with a rotating shaft 302, a turbine 303 is arranged on the rotating shaft 302, the inner wall of the first box body 2 is rotatably connected with a threaded rod 305, a worm 304 is arranged on the threaded rod 305, and the worm 304 is meshed with the turbine 303.

The lateral wall of first box 2 is equipped with first cylinder 5, and the output of first cylinder 5 is connected with and stabilizes fast 501, is equipped with stabilizer wheel 502 on stabilizing fast 501, and stabilizer wheel 502 pastes with steel pipe body 1 inner wall.

The inner wall of the first casing 2 is provided with a sliding groove 201, and the sliding plate 3 slides in the sliding groove 201.

The threaded rod 305 is threadedly connected to the slide plate 3.

A one-way valve 806 is provided in the second hollow tube 805.

An oil inlet is arranged on the oil storage chamber 9, and a sealing cover is connected to the oil inlet in a threaded manner.

In the invention, when in use, the scraper is placed in the steel pipe body 1, the first motor 301 is started, the first motor 301 drives the turbine 303 to rotate through the rotating shaft 302, the turbine 303 drives the worm 304 to rotate, the worm 304 drives the threaded rod 305 to rotate, the threaded rod 305 drives the sliding plate 3 to slide, so that the driving wheel 402 is attached to the inner wall of the steel pipe body 1, the driving mechanism is started to drive the scraper to move forwards, the third motor 6 is started, the third motor 6 drives the first supporting plate 601 to rotate, the first supporting plate 601 drives the detector 7 and the second air cylinder 701 to rotate, the second air cylinder 701 drives the scraping blade 703 to rotate through the first fixing plate 702 to remove various oxides on the inner wall of the steel pipe body 1, the inside of the steel pipe body 1 is scanned through the detector 7 to judge the loss degree, meanwhile, the electrified magnet 801 and the air pump 802 are started to adsorb the scraped iron scraps on the electrified magnet 801, the air pump 802 generates local negative pressure through the first hollow pipe 803 and the air suction port 804, the adsorption efficiency of the electrified magnet 801 is improved, air is sent into the oil storage chamber 9 through the second hollow pipe 805 by the air pump 802, the pressure in the oil storage chamber 9 is increased, oil in the oil storage chamber 9 is sprayed out from the spray head 904 through the telescopic hose 901 and is coated on the inner wall of the steel pipe body 1, the fourth motor 10 is started, and the oil is uniformly coated on the inner wall of the steel pipe body 1 through the oil coating brush 14.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The scraper comprises a steel pipe body (1) and a first box body (2), wherein the first box body (2) is positioned inside the steel pipe body (1), and is characterized in that a driving mechanism is arranged in the first box body (2), the driving mechanism is attached to the inner wall of the steel pipe body (1), the side walls of the two sides of the first box body (2) are fixedly connected with a third motor (6) and a second box body (8) respectively, the output end of the third motor (6) is fixedly connected with a first supporting plate (601), a detector (7) and a second cylinder (701) are fixedly connected on the first supporting plate (601) respectively, the output end of the second cylinder (701) is fixedly connected with a first fixing plate (702), a scraping blade (703) which is mutually matched with the inner wall of the steel pipe body (1) is arranged on the first fixing plate (702), and an electrifying magnet (801) is arranged on the inner wall of the second box body (8), an air pump (802) is arranged on the electrified magnet (801), the input end of the air pump (802) is connected with a first hollow pipe (803), the first hollow pipe (803) is attached to the electrified magnet (801), an air suction port (804) is arranged on the first hollow pipe (803), an oil storage chamber (9) is further arranged on the second box body (8), a second hollow pipe (805) is connected between the oil storage chamber (9) and the output end of the air pump (802), a third air cylinder (902) is arranged at the top of the second box body (8), a second fixing plate (903) is fixedly connected with the output end of the third air cylinder (902), a spray head (904) is arranged on the second fixing plate (903), a telescopic hose (901) is arranged at the bottom of the oil storage chamber (9), one end, far away from the oil storage chamber (9), of the telescopic hose (901) is communicated with the spray head (904), and a fourth motor (10) is arranged on the side wall of, the output of fourth motor (10) is connected with second backup pad (11), be equipped with fourth cylinder (12) on second backup pad (11), the output fixedly connected with third fixed plate (13) of fourth cylinder (12), be equipped with on third fixed plate (13) and scribble oil brush (14) with steel pipe body (1) inner wall mutually supporting.

2. The scraper according to claim 1, wherein the driving mechanism comprises a sliding plate (3), a second motor (401) and a driving wheel (402), the sliding plate (3) slides on the inner wall of the first box body (2), the sliding plate (3) is fixedly connected with a concave block (4), the second motor (401) is fixedly connected with the side wall of the concave block (4), the driving wheel (402) is connected with the output end of the second motor (401), and the driving wheel (402) is attached to the inner wall of the steel pipe body (1).

3. The scraper according to claim 2, characterized in that a first motor (301) is fixedly connected to the inner wall of the first box (2), the output end of the first motor (301) is connected to a rotating shaft (302), a worm wheel (303) is arranged on the rotating shaft (302), a threaded rod (305) is rotatably connected to the inner wall of the first box (2), a worm (304) is arranged on the threaded rod (305), and the worm (304) is meshed with the worm wheel (303).

4. The scraper according to claim 2, characterized in that the side wall of said first box (2) is provided with a first cylinder (5), the output end of said first cylinder (5) is connected with a stabilizing block (501), said stabilizing block (501) is provided with a stabilizing wheel (502), and said stabilizing wheel (502) is attached to the inner wall of the steel pipe body (1).

5. A scraper according to claim 2, characterized in that said first casing (2) is provided with a sliding groove (201) on its inner wall, said sliding plate (3) sliding in said sliding groove (201).

6. A scraper according to claim 3, characterized in that said threaded rod (305) is screwed to the sliding plate (3).

7. A scraper according to claim 1, characterized in that a one-way valve (806) is arranged in said second hollow tube (805).

8. A scraper according to claim 1, characterized in that said oil reservoir (9) is provided with an oil inlet, said oil inlet being threadedly connected to a sealing cap.