Petroleum conveying pipeline cleaning device

Abstract

The utility model discloses a petroleum conveying pipeline cleaning device, and belongs to the technical field of pipeline cleaning. The petroleum conveying pipeline cleaning device comprises a cylinder, an adjusting assembly arranged in the cylinder, a protection assembly fixedly connected to the front end of the cylinder, a third motor fixedly connected to the tail end of the cylinder and an auxiliary water spraying assembly. The adjusting assembly comprises a first motor fixedly connected to the inner wall of one end of the cylinder, a two-way lead screw fixedly connected to an output shaft of the first motor, threaded sleeves connected to the two ends of the two-way lead screw in a threaded mode, connecting rods hinged to the threaded sleeves and a mounting plate hinged to the tail ends of the connecting rods. The elastic columns are fixedly mounted at the two ends of the surface of the mounting plate; and the guide wheels are rotationally connected to the tops of the elastic columns. According to the petroleum conveying pipeline cleaning device, pipelines with different radiuses can be cleaned through the adjusting assembly, the protection assembly and the auxiliary water spraying assembly, and time and labor are saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline cleaning technical field, concretely is a kind of oil conveying pipeline cleaning device. BACKGROUND

[0002] After oil is mined in oil field, it is transported from oil field to refinery by transport tool, and then transported from refinery to consumption site. Oil transport tools include oil tank truck and pipeline, among which, oil pipeline transportation is widely used due to its large transportation capacity, economy and safety. During oil transportation in pipeline, a mixture of paraffin, colloid, condensed oil, sand and other impurities with certain thickness is deposited on the inner wall of the pipeline, which is collectively referred to as wax deposition. Long-term accumulation of paraffin on the inner wall of oil pipeline affects the transportation capacity of the pipeline. In order to improve the cleanliness and transportation efficiency of the pipeline, ensure the safety of the pipeline and reduce the energy consumption of the pipeline, the inner wall of the pipeline needs to be cleaned regularly.

[0003] The utility model discloses a kind of oil pipeline inner wall cleaning devices, and pipe can be washed to the inner wall of pipeline by scouring structure, cooperate scraping structure and use, can wash and clean effect better with oil dirt and foreign matter, wash more evenly, it is suitable for promotion and use.

[0004] Although the design can quickly brush off the oil stains solidified on the inner wall of the mining pipe, the device cannot meet the cleaning of pipelines with different radii, is relatively single, and requires corresponding cleaning equipment for cleaning pipelines with different widths, which is time-consuming and laborious. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of oil conveying pipeline cleaning device, to solve the problems that the existing device cannot meet the cleaning of pipelines with different radii, is relatively single, and requires corresponding cleaning equipment for cleaning pipelines with different widths, which is time-consuming and laborious, as proposed in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a petroleum delivery pipeline pigging unit, the petroleum delivery pipeline pigging unit includes the cylinder, the adjusting assembly of setting in the cylinder inside, the protection assembly of fixed connection in the cylinder front end, the third motor and the auxiliary water spraying assembly of fixed connection in the cylinder tail end, the adjusting assembly includes the first motor of fixed connection on the inner wall of one end of the cylinder, the two -way screw rod of fixed connection on the first motor output shaft, the threaded sleeve of screw connection in both ends of two -way screw rod, the connecting rod of hinged on threaded sleeve, the mounting plate of hinged in the connecting rod tail end, the elastic column of fixed installation in the mounting plate surface both ends and the guide pulley of rotation connection in the elastic column top, the protection assembly includes the casing of fixed connection in the cylinder front end, the second motor of fixed installation in the casing inner side, the support of fixed connection in the second motor output shaft and the protection cover of fixed installation in the support tail end, the auxiliary water spraying assembly includes the water distribution tray of fixed installation in the cylinder tail end and a plurality of outside fixed connection in the water distribution tray of the nozzle column along the circumference.

[0007] When working, the first motor drives the two -way screw rod to rotate, and the two -way screw rod drives the threaded sleeve on both ends to approach or move away from each other, and the threaded sleeve drives the connecting rod to move, and the connecting rod drives the mounting plate to approach or move away from the pipe wall, and the elastic column makes the guide pulley on the surface of the mounting plate closely contact with the pipe wall, so that the pipe of different radius can be cleaned, the scope of application is wide, the protection cover at the front end of the cylinder can play a certain protection effect, prevent hitting hard material in the cleaning process, and the auxiliary water spraying assembly can be supplied with water by the external water source, and the water flow can be sprayed to the pipe wall by the water distribution tray and the plurality of nozzle columns.

[0008] Preferably, the outer surface of the protection cover is provided with a threaded scraping groove, and the radius of the protection cover is greater than the radius of the cylinder and less than the maximum expansion distance of the mounting plate.

[0009] Preferably, the elastic column includes a sleeve fixedly connected to the top of the mounting plate, a sleeve rod slidingly connected to the inside of the sleeve, a spring sleeved on the outside of the sleeve rod, and a bearing seat fixedly installed on the top of the sleeve rod and rotationally connected with the guide pulley.

[0010] Preferably, the top of the mounting plate is fixedly provided with a telescopic cylinder, the end of the piston rod of the telescopic cylinder is fixedly connected with an arc-shaped scraper, and the surface of the arc-shaped scraper is provided with a plurality of convex strips distributed at equal intervals.

[0011] Preferably, the support includes a ring sleeve fixedly sleeved on the output shaft of the second motor and a support rod fixedly connected to the outside of the ring sleeve in the circumferential direction.

[0012] Preferably, the outer surface of the cylindrical barrel is provided with a plurality of strip-shaped openings in the circumferential direction, and the length and width of the strip-shaped openings are greater than the length and width of the mounting plate.

[0013] The petroleum pipeline pigging device has simple structure and convenient use, can clean different radius pipelines, saves time and effort, and can clean different radius pipelines through the first motor driving the bidirectional screw rod to rotate, the bidirectional screw rod driving the two threaded sleeves to move close to or away from each other, the two threaded sleeves driving the connecting rods to move, the connecting rods driving the mounting plate to move close to or away from the inner wall of the pipeline, and the elastic columns making the guide wheels on the mounting plate surface tightly contact the inner wall of the pipeline, so that the device has wide application range, the protective cover at the front end of the cylindrical barrel can have certain protection effect, prevents the device from colliding with hard objects during cleaning, and the auxiliary water spraying assembly can be supplied with water from an external water source and spray water flow to the inner wall of the pipeline through the water distribution disc and the plurality of nozzle columns. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of a petroleum pipeline pigging device.

[0015] Figure 2 It is a sectional view of a petroleum pipeline pigging device.

[0016] Figure 3 It is a schematic view of the internal structure of an adjusting assembly and a protective assembly in a petroleum pipeline pigging device.

[0017] In the drawings:

[0018] 1, cylindrical barrel;

[0019] 2, adjusting assembly; 21, first motor; 22, bidirectional screw rod; 23, threaded sleeve; 24, connecting rod; 25, mounting plate; 26, elastic column; 261, sleeve; 262, sleeve rod; 263, spring; 264, bearing seat; 27, guide wheel;

[0020] 3, protective assembly; 31, shell; 32, second motor; 33, support; 34, protective cover; 341, threaded scraping groove;

[0021] 4, auxiliary water spraying assembly; 41, water distribution disc; 42, nozzle column;

[0022] 5, telescopic air cylinder;

[0023] 6, arc-shaped scraper; 61, convex strip;

[0024] 7, third motor. DETAILED DESCRIPTION

[0025] 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.

[0026] This embodiment provides a pipeline cleaning device for oil transportation pipelines, such as... Figures 1 to 3 As shown, the oil pipeline cleaning device includes a cylindrical cylinder 1, an adjusting assembly 2 disposed inside the cylindrical cylinder 1, a protective assembly 3 fixedly connected to the front end of the cylindrical cylinder 1, a third motor 7 fixedly connected to the rear end of the cylindrical cylinder 1, and an auxiliary water spraying assembly 4; the adjusting assembly 2 includes a first motor 21 fixedly connected to the inner wall of one end of the cylindrical cylinder 1, a bidirectional lead screw 22 fixedly connected to the output shaft of the first motor 21, threaded sleeves 23 threadedly connected to both ends of the bidirectional lead screw 22, a connecting rod 24 hinged to the threaded sleeves 23, and a mounting plate hinged to the end of the connecting rod 24. 25. Elastic columns 26 fixedly installed at both ends of the surface of the mounting plate 25 and guide wheels 27 rotatably connected to the top of the elastic columns 26; the protective assembly 3 includes a housing 31 fixedly connected to the front end of the cylindrical tube 1, a second motor 32 fixedly installed inside the housing 31, a bracket 33 fixedly connected to the output shaft of the second motor 32, and a protective cover 34 fixedly installed at the end of the bracket 33; the auxiliary water spray assembly 4 includes a water distribution plate 41 fixedly installed at the tail end of the cylindrical tube 1 and a plurality of nozzle columns 42 distributed circumferentially and fixedly connected to the outside of the water distribution plate 41.

[0027] During operation, the first motor 21 drives the bidirectional lead screw 22 to rotate. The bidirectional lead screw 22 then drives the threaded sleeves 23 at both ends to move closer or further apart. The two threaded sleeves 23 then drive the connecting rod 24 to move. The connecting rod 24 then drives the mounting plate 25 to move closer or further away from the inner wall of the pipe. The elastic column 26 makes the guide wheel 27 on the surface of the mounting plate 25 in close contact with the inner wall of the pipe, thus enabling the cleaning of pipes of different radii. It has a wide range of applications. The protective cover 34 at the front end of the cylindrical cylinder 1 can provide a certain degree of protection to prevent collision with hard objects during the cleaning process. The auxiliary water spray assembly 4 can be supplied with water from an external water source and spray water onto the inner wall of the pipe through the water distribution plate 41 and multiple nozzle columns 42.

[0028] In one embodiment, the outer surface of the protective cover 34 is provided with a threaded groove 341, and the radius of the protective cover 34 is greater than the radius of the cylindrical tube 1 and less than the maximum unfolding distance of the mounting plate 25.

[0029] In this embodiment, refer to Figure 3The threaded scraping groove 341 is arranged on the outer surface of the protective cover 34, so that the protective cover 34 can scrape off the wax attached to the inner wall of the pipeline during the forward movement and provide a certain protection effect for the cylindrical barrel 1.

[0030] In one embodiment, the elastic column 26 comprises a sleeve 261 fixedly connected to the top of the mounting plate 25, a sleeve rod 262 slidably connected to the inner side of the sleeve 261, a spring 263 sleeved on the outer side of the sleeve rod 262, and a bearing seat 264 fixedly installed on the top of the sleeve rod 262 and rotationally connected with the guide wheel 27.

[0031] In this embodiment, referring to Figure 2 , the sleeve rod 262 slides in the sleeve 261, and the guide wheel 27 is in close contact with the inner wall of the pipeline through the reaction force of the spring 263, so that the entire device can be applied to petroleum conveying pipelines with different inner diameters, thereby expanding the range of use.

[0032] In one embodiment, the top center of the mounting plate 25 is fixedly installed with a telescopic air cylinder 5, the piston rod end of the telescopic air cylinder 5 is fixedly connected with an arc-shaped scraper 6, and the surface of the arc-shaped scraper 6 is provided with a plurality of convex strips 61 distributed at equal intervals.

[0033] In this embodiment, referring to Figure 1 , the arc-shaped scraper 6 is extended to contact the inner wall of the pipeline by the telescopic air cylinder 5, at this time the surface of the convex strip 61 abuts against the inner wall of the pipeline, and the entire cylindrical barrel 1 is driven to rotate by the third motor 7, at this time a plurality of arc-shaped scrapers 6 rotate to clean the inner wall of the pipeline, thereby achieving sufficient cleaning of the wax on the inner wall of the pipeline.

[0034] In one embodiment, the bracket 33 comprises a ring sleeve 331 fixedly sleeved on the output shaft of the second motor 32 and a support rod 332 fixedly connected to the outer side of the ring sleeve 331 in a circumferential direction.

[0035] In this embodiment, referring to Figure 3 , the ring sleeve 331 is sleeved on the output shaft of the second motor 32, and the support rod 332 is annularly distributed, thereby providing a stable mounting structure for the protective cover 34.

[0036] In one embodiment, the outer surface of the cylindrical barrel 1 is circumferentially provided with a plurality of strip-shaped openings 11, and the length and width of the strip-shaped openings 11 are greater than the length and width of the mounting plate 25.

[0037] In this embodiment, referring to Figure 3 , a plurality of larger strip-shaped openings 11 are circumferentially arranged on the outer surface of the cylindrical barrel 1, thereby avoiding the friction between the mounting plate 25 and the cylindrical barrel 1 during the recycling of the mounting plate 25, and thus avoiding damage.

[0038] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An oil conveying pipeline pigging device, comprising a cylindrical barrel (1), an adjusting assembly (2) arranged inside the cylindrical barrel (1), a protective assembly (3) fixedly connected to the front end of the cylindrical barrel (1), a third motor (7) and an auxiliary water spraying assembly (4) fixedly connected to the tail end of the cylindrical barrel (1). characterized in that The adjusting assembly (2) comprises a first motor (21) fixedly connected to the inner wall of one end of the cylindrical barrel (1), a bidirectional screw rod (22) fixedly connected to the output shaft of the first motor (21), threaded sleeves (23) threadedly connected to both ends of the bidirectional screw rod (22), a connecting rod (24) hingedly connected to the threaded sleeves (23), a mounting plate (25) hingedly connected to the end of the connecting rod (24), elastic columns (26) fixedly mounted on both ends of the surface of the mounting plate (25), and a guide wheel (27) rotatably connected to the top of the elastic columns (26). The protective assembly (3) comprises a housing (31) fixedly connected to the front end of the cylindrical barrel (1), a second motor (32) fixedly mounted on the inner side of the housing (31), a bracket (33) fixedly connected to the output shaft of the second motor (32), and a protective cover (34) fixedly mounted on the end of the bracket (33). The auxiliary water spraying assembly (4) comprises a water distribution disc (41) fixedly mounted on the tail end of the cylindrical barrel (1) and a plurality of nozzle columns (42) circumferentially distributed and fixedly connected to the outer side of the water distribution disc (41).

2. The pig of claim 1, wherein: The outer surface of the protective cover (34) is provided with a threaded scraping groove (341), the radius of the protective cover (34) is greater than the radius of the cylindrical barrel (1) and less than the maximum expansion distance of the mounting plate (25).

3. The pig of claim 1, wherein: The elastic column (26) comprises a sleeve (261) fixedly connected to the top of the mounting plate (25), a sleeve rod (262) slidingly connected to the inner side of the sleeve (261), a spring (263) sleeved on the outer side of the sleeve rod (262), and a bearing seat (264) fixedly mounted on the top of the sleeve rod (262) and rotatably connected with the guide wheel (27).

4. The pig of claim 1, wherein: A telescopic air cylinder (5) is fixedly mounted on the top center of the mounting plate (25), the piston rod end of the telescopic air cylinder (5) is fixedly connected with an arc-shaped scraper (6), and the surface of the arc-shaped scraper (6) is provided with a plurality of convex strips (61) distributed at equal intervals.

5. The pig of claim 1, wherein: The bracket (33) comprises a ring sleeve (331) fixedly sleeved on the output shaft of the second motor (32) and a support rod (332) circumferentially fixedly connected to the outer side of the ring sleeve (331).

6. The pig of claim 1, wherein: The outer surface of the cylindrical barrel (1) is circumferentially provided with a plurality of strip-shaped openings (11), and the length and width of the strip-shaped openings (11) are greater than the length and width of the mounting plate (25).

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