Automatic repairing device for petroleum lining oil pipe

Abstract

The invention discloses an automatic repairing device for a petroleum lining oil pipe, and belongs to the technical field of multifunctional machine tools, the device comprises a multifunctional machine tool, an adjusting assembly, a mounting table, rotating tooth rollers and a transverse cutting knife, the rotating tooth rollers on the two sides rotate reversely to pull out the lining pipe, and in the process of drawing the lining pipe through the rotating tooth rollers, the transverse cutting knife is driven by the rotating tooth rollers to rotate; the transverse cutting knife synchronously divides the lining pipe into two semicircular pipes, the adjusting assembly and the tensioning assembly are matched, the rotating tooth roller can adapt to lining pipes with different inner diameters, the rugby ball shape design of the rotating tooth roller increases the contact area of the rotating tooth roller and the lining pipe, and therefore friction force is increased, it is guaranteed that the lining pipe is stably pulled out, and the service life of the lining pipe is prolonged. And the lining pipe is divided into two semicircular pipes while being drawn by the transverse cutting knife, so that the occupied space for stacking is reduced, and the inconvenience in storage caused by rolling is avoided.

Description

Technical Field

[0001] This invention belongs to the field of multifunctional machine tool technology, specifically, it relates to an automated repair device for oil pipeline liners. Background Technology

[0002] my country has numerous oil fields, generating a large number of abandoned oil pipes every year. These abandoned oil pipes are generally recycled or smelted as scrap iron, which not only wastes resources but also burdens the environment. Moreover, most abandoned oil pipes can be reused after repair.

[0003] Currently, the oil tubing used in oilfield pumping wells suffers wear and tear on its inner and outer walls after a period of use due to various reasons, rendering it unusable and requiring replacement. This results in a large amount of waste tubing. Research and experiments on the replaced waste tubing have revealed that most tubing, after being repaired, can meet the process requirements in terms of mechanical strength, hardness, and other technical indicators, making it fully capable of being recycled and reused.

[0004] CN209491524U discloses a waste oil pipe recycling device, including an oil pipe conveyor and a high-frequency induction heating device, a sandblasting machine, an oil pipe hot rolling repair device, an annealing cooling box, an ultrasonic flaw detector, a hyperbolic roller straightener, an electric pipe cutting and threading machine, and an automatic coding machine, all located between two of the oil pipe conveyors and electrically connected to an electrical control cabinet. The oil pipe passes through a feeding sensor, and the oil pipe conveyor starts working. Under the action of the drive roller, the oil pipe sequentially enters the high-frequency induction heating device, the sandblasting machine, the oil pipe hot rolling repair device, and the annealing cooling box. The oil pipe is processed using a box, ultrasonic flaw detector, hyperbolic roller straightener, electric pipe cutting and threading machine, and automatic coding machine. High-frequency induction heating equipment heats the oil pipe, melting the oil residue and allowing it to flow into an oil collection box for collection. It is then sandblasted and reshaped using an oil pipe hot rolling repair device. The repaired oil pipe is then cooled in an annealing cooling box, and subsequently passes through an ultrasonic flaw detector, hyperbolic roller straightener, electric pipe cutting and threading machine, and automatic coding machine for flaw detection, straightening, threading, and coding, ultimately completing the entire repair process.

[0005] Although the device can repair oil pipes, some oil pipes have an inner liner. The inner liner needs to be replaced after a long period of use. The old inner liner is pulled out of the oil pipe using a traction device. However, when pulling out the inner liner, the traction device has to travel a distance greater than the length of the inner liner, so it occupies a large area and cannot meet the needs of small spaces. Summary of the Invention

[0006] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the invention.

[0007] To address the issue raised in the background section that some oil pipes have internal liner tubes that need to be replaced after prolonged use, and that traction equipment is used to pull the old liner tubes out of the oil pipes, but the traction equipment has to travel a distance greater than the length of the liner tube, thus occupying a large area and failing to meet the needs of small spaces, the present invention adopts the following technical solution.

[0008] An automated repair device for oil pipeline lined with tubing includes a multi-functional machine tool. A fixing clamp is mounted on one side of the upper end of the machine tool, clamping the tubing and allowing it to rotate. A first movable base is slidably connected to the upper end of the machine tool, and a cutting tool assembly is mounted on the first movable base. A second movable base is slidably connected to the other side of the upper end of the machine tool, and a pipe top component is mounted on the second movable base. An L-shaped bracket is fixedly connected to one outer wall of the second movable base. A support rod is detachably connected to the side wall of the L-shaped bracket, and a rotating connecting plate is rotatably connected to the outer wall of the support rod. The pipe top component is detachably connected to the rotating connecting plate, and the rotating connecting plate is positioned opposite the pipe top component. An adjustment component is detachably connected to the position. The movable end of the adjustment component is detachably connected to a mounting platform. Two meshing rotating toothed rollers are mounted on the mounting platform. Each rotating toothed roller is rotatably connected to a mounting bracket on both sides. The movable end of the adjustment component is detachably connected to the mounting platform. The mounting bracket is set on the mounting platform, which is located on the left and right sides between the two rotating toothed rollers. A transverse cutting blade is detachably connected to both sides. The outer wall of the two rotating toothed rollers is inserted into the interior of the inner liner tube and is in close contact with the inner wall of the inner liner tube. The two rotating toothed rollers rotate in opposite directions to pull out the inner liner tube. During the process of the rotating toothed rollers pulling out the inner liner tube, the transverse cutting blade simultaneously divides the inner liner tube into two semi-circular tubes.

[0009] Preferably, a tensioning component is installed on the adjusting component. The tensioning component causes the two rotating toothed rollers on both sides to move towards each other or in opposite directions at the same time. When the two rotating toothed rollers on both sides move in opposite directions, the outer walls of the two rotating toothed rollers contact the inner wall of the inner liner tube to generate friction.

[0010] Preferably, a drive assembly is detachably connected to the outer wall of each mounting bracket, and the rotating end of the drive assembly is detachably connected to the outer wall of one end of the rotating toothed roller.

[0011] Preferably, a fixing component is installed on the second movable base, which is used to fix the position of the pipe top component or the adjusting component.

[0012] Preferably, the tensioning assembly includes a telescopic cylinder, and four rectangular second sliding grooves are provided on the mounting platform. A sliding block is slidably connected inside each second sliding groove. The outer wall of the sliding block is fixedly connected to the mounting bracket. The telescopic cylinder is installed inside the adjustment assembly. A push plate is detachably connected to the telescopic end of the telescopic cylinder. A linkage plate is fixedly connected between the upper and lower mounting brackets. A rotating connecting plate is rotatably connected to the outer wall of each linkage plate. The rotating connecting plate is rotatably connected to the outer wall of the push plate.

[0013] Preferably, the drive assembly includes a servo motor and a reducer, with the rotating end of the servo motor connected to the power input end of the reducer and the output end of the reducer connected to one end of the rotating toothed roller.

[0014] Preferably, the fixing component includes a U-shaped bracket, the second movable base is hollow inside and has a first sliding groove disposed opposite to it at its upper end, the first sliding groove is connected to the hollow part of the second movable base, the two outer walls of the second movable base are provided with through grooves, the through grooves are connected to the hollow part of the second movable base, the U-shaped bracket is disposed in the hollow part of the second movable base, the two outer walls of the U-shaped bracket are fixedly connected with protruding handles that extend through the through grooves, and the inner bottom of the second movable base is provided with a first spring, the first spring causing the U-shaped bracket to have an upward moving force.

[0015] Preferably, the outer walls of the two transverse cutting blades are inclined.

[0016] Preferably, inclined guide plates are fixedly connected to the opposite surfaces of the two transverse cutting blades, and the inclined guide plates are provided with the same inclined surface near the outer wall of the transverse cutting blades.

[0017] Preferably, the two ends of the rotating toothed roller are arc-shaped, and the outer wall at the center is annular.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0019] In this invention, by coordinating the adjusting and tensioning components, the rotating toothed roller can adapt to inner liner tubes with different inner diameters. The rugby ball-shaped design of the rotating toothed roller increases the contact area with the inner liner tube, thereby increasing friction and ensuring that the inner liner tube is pulled out stably. The transverse cutting blade divides the inner liner tube into two semi-circular tubes while pulling it out, reducing the space occupied by stacking and avoiding storage inconvenience caused by rolling. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of the automated repair device for oil pipeline liners in this invention.

[0021] Figure 2 This is a front view schematic diagram of the automated repair device for oil pipeline lined with petroleum pipes in this invention.

[0022] Figure 3 This is a top view schematic diagram of the automated repair device for oil pipeline liners in this invention.

[0023] Figure 4 This is a schematic diagram of the second movable base structure in the present invention;

[0024] Figure 5 This is a schematic diagram of the fixed component structure in this invention;

[0025] Figure 6 This is a schematic diagram of the pull-out component structure in this invention;

[0026] Figure 7 In this invention Figure 6 Enlarged structural diagram of section A;

[0027] Figure 8 This is a schematic diagram of the tensioning component structure in this invention;

[0028] Figure 9 This is a schematic diagram of the cutting component structure in this invention.

[0029] The correspondence between the labels and component names in the attached figures is as follows:

[0030] 100. Multifunctional machine tool; 101. First moving base; 102. Lathe tool assembly; 103. Fixture; 104. Electromagnetic heating tube;

[0031] 200. Second movable base; 201. Pipe top component; 202. L-shaped bracket; 203. Support rod; 204. Rotary connecting plate; 205. Adjustment component; 206. First sliding groove; 207. Through groove; 208. U-shaped bracket; 209. First spring; 210. Extending handle;

[0032] 300. Rotary toothed roller; 301. Mounting bracket; 302. Drive assembly; 303. Mounting platform; 304. Second sliding groove; 305. Sliding block; 306. Rotating connecting plate; 307. Push plate; 308. Telescopic cylinder; 309. Second spring; 310. Linkage plate;

[0033] 400. Horizontal cutting blade; 401. Inclined guide plate. Detailed Implementation

[0034] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0035] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0036] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places throughout this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that mutually excludes other embodiments. The present invention provides the following embodiments.

[0037] like Figure 1-3 The diagram shows a schematic of an automated repair device for oil pipe lined with petroleum lining, according to a preferred embodiment of the present invention. The automated repair device for oil pipe lined with petroleum lining in this embodiment includes a multi-functional machine tool 100. A fixing clamp 103 is provided on one side of the upper end of the multi-functional machine tool 100, clamping the oil pipe and allowing it to rotate. A first movable base 101 is slidably connected to the upper end of the multi-functional machine tool 100, and a cutting tool assembly 102 is provided on the first movable base 101. A second movable base 200 is slidably connected to the other side of the upper end of the multi-functional machine tool 100, and a pipe top member 201 is provided on the second movable base 200. In this embodiment, one end of the oil pipe is clamped by the fixing clamp 103, and the other end of the oil pipe is supported by the pipe top member 201. The rotation of the fixing clamp 103 causes the oil pipe to rotate. By moving the first movable base 101, the cutting tool assembly 102 contacts the outer wall of the oil pipe, allowing the oil pipe to be re-threaded and the outer wall of the oil pipe to be refurbished.

[0038] In order to pull out the old inner liner from inside the oil pipe, a specific structure can be adopted as follows: Figure 1-4 In the embodiment shown, an L-shaped bracket 202 is fixedly connected to one outer wall of the second movable base 200. A support rod 203 is detachably connected to the side wall of the L-shaped bracket 202. A rotating connecting plate 204 is rotatably connected to the outer wall of the support rod 203. The pipe top piece 201 is detachably connected to the rotating connecting plate 204. An adjusting component 205 is detachably connected to the rotating connecting plate 204 at a position opposite to the pipe top piece 201. Two meshing rotating toothed rollers 300 are installed at the end of the adjusting component 205. In this embodiment, when it is necessary to pull out the inner liner tube inside the oil pipe, the rotating connecting plate 204 is rotated so that the adjusting component 205 is located at the upper end of the second movable base 200. The adjusting component 205 drives the rotating toothed rollers 300 to move laterally. The rotating toothed rollers 300 are inserted into the inner wall of the inner liner tube and contact the inner wall of the inner liner tube. The two rotating toothed rollers 300 rotate in opposite directions at the same time, so that the inner liner tube can be pulled out from the inner wall of the oil pipe by friction.

[0039] When the pipe top component 201 or the adjusting assembly 205 is located at the upper end of the second movable base 200, its position needs to be fixed to facilitate the repair of the waste oil pipe. To fix the adjusting assembly 205 or the pipe top component 201, the specific structure can be as follows: Figure 5 In the embodiment shown, the second movable base 200 is hollow inside and has a first sliding groove 206 disposed opposite to it at its upper end. The first sliding groove 206 communicates with the hollow part of the second movable base 200. Through grooves 207 are provided on both outer walls of the second movable base 200, communicating with the hollow part of the second movable base 200. A U-shaped bracket 208 is provided inside the second movable base 200. The two vertical sides of the U-shaped bracket 208 extend through the first sliding groove 206. Extending handles 210 extending through the through grooves 207 are fixedly connected to the two outer walls of the U-shaped bracket 208. A first spring 209 is provided at the bottom inner side of the second movable base 200. The first spring 209 causes the U-shaped bracket 208 to move upward. In this embodiment, the first spring 209 causes the U-shaped bracket 208 to move upward. Moving upwards allows the vertical sides of the U-shaped bracket 208 to extend beyond the upper end of the second movable base 200 and engage with the outer walls of the adjusting component 205 or the pipe top component 201, thus fixing the position of the pipe top component 201 or the adjusting component 205. When it is necessary to rotate the rotating connecting plate 204 to adjust the position of the pipe top component 201 and the adjusting component 205, pressing either side of the extended handle 210 causes the U-shaped bracket 208 to move downwards, making the U-shaped bracket 208 lower than the upper end of the second movable base 200 to facilitate the rotation of the pipe top component 201 and the adjusting component 205. After adjustment, releasing the pressed extended handle 210 allows the U-shaped bracket 208 to reset through the rebound force of the first spring 209, thus fixing the position of the pipe top component 201 or the adjusting component 205.

[0040] To enable the two rotating toothed rollers 300 to rotate in opposite directions simultaneously and pull the inner liner outward, the specific structure can be as follows: Figure 6-8In the embodiment shown, the movable end of the adjusting component 205 is detachably connected to a mounting platform 303. The mounting platform 303 is provided with four rectangular second sliding grooves 304. A sliding block 305 is slidably connected inside each second sliding groove 304. A mounting bracket 301 is fixedly connected to the outer wall of each sliding block 305. A rotating toothed roller 300 is rotatably connected between two opposing mounting brackets 301. A driving component 302 is detachably connected to the outer wall of each mounting bracket 301. The rotating end of the driving component 302 is detachably connected to the outer wall of one end of the rotating toothed roller 300. In this embodiment, the rotating component 302 drives the rotating toothed roller 300 to rotate. The rotation directions of the two driving components 302 are opposite, thereby causing the outer walls of the two rotating toothed rollers 300 to insert into the interior of the inner liner tube and make close contact with the inner wall of the inner liner tube. The inner liner tube is pulled outward by friction.

[0041] The drive assembly includes a servo motor and a reducer. The rotating end of the servo motor is connected to the power input end of the reducer, and the output end of the reducer is connected to one end of the rotating toothed roller 300. The reducer increases the output torque of the servo motor, thereby increasing the pulling force on the inner liner tube.

[0042] Because the inner diameters of the inner liner tubes inside the oil pipes vary, the rotating toothed roller 300 needs to be in complete contact with the inner wall of the liner tube to generate significant friction. To enable the rotating toothed roller 300 to adapt to inner liner tubes of different inner diameters and to maintain contact with the inner wall of the liner tube, a specific structure can be adopted as follows: Figure 8 In the embodiment shown, a second spring 309 is fixedly connected to the opposite sides of the upper sliding block 305 and the lower sliding block 305. A telescopic cylinder 308 is embedded inside the adjusting assembly 205. A push plate 307 is detachably connected to the telescopic end of the telescopic cylinder 308. A linkage plate 310 is fixedly connected between the upper and lower mounting brackets 301. A rotating connecting plate 306 is rotatably connected to the outer wall of each linkage plate 310. The rotating connecting plate 306 is rotatably connected to the outer wall of the push plate 307. In this embodiment, the second spring 309 ensures that the two rotating toothed rollers 300 always have a relative moving force. After being inserted into the inner wall of the inner liner tube, the telescopic cylinder 308 extends and pushes the push plate 307 to move laterally. This, in conjunction with the linkage plate 310, causes the two rotating toothed rollers 300 to move in opposite directions simultaneously, thereby increasing the distance between the two rotating toothed rollers 300. This allows the rotating toothed rollers 300 to be locked with the inner wall of the inner liner tube, enabling the inner liner tube to be pulled outward more effectively.

[0043] Because the inner wall of the liner tube is curved, in order to make the rotating toothed roller 300 fit more tightly with the liner tube, the specific structure can be as follows: Figure 6-8In the embodiment shown, the two ends of the rotating toothed roller 300 are arc-shaped, and the outer wall at the center is annular, with an appearance similar to a rugby ball. In this embodiment, the rotating toothed roller 300, which is similar to the shape of a rugby ball, can increase the contact area with the inner wall of the inner liner tube, increase the friction, and make the inner liner tube better pulled out.

[0044] When the inner liner tube is pulled out, it remains tubular. Used inner liner tubes can be reused after processing. However, due to their tubular shape, they occupy excessive external space when stacked and are prone to rolling. To solve this problem, a specific structure can be adopted as follows: Figure 4 as well as Figure 9 In the illustrated embodiment, the mounting platform 303 is located on the left and right sides between the two rotating toothed rollers 300, and each side is detachably connected to a transverse cutting blade 400. The outer walls of the transverse cutting blades 400 are inclined blades, and inclined guide plates 401 are fixedly connected to the opposite surfaces of the transverse cutting blades 400. The inclined guide plates 401 are provided with the same inclined surface near the outer walls of the transverse cutting blades 400. The inclined guide plates 401 guide the cut inner liner tube outward. The rotating connecting plate 204 is provided with a slot. In this embodiment, the transverse cutting blades 400 can cut the inner liner tube when it is pulled outward, making it into two semi-circular tubes. This makes it less likely to move during stacking and does not occupy too much external space. The upper semi-circular tube passes through the top of the rotating connecting plate 204, and the lower semi-circular tube passes through the inside of the slot. This allows the device to pull out a long inner liner tube without occupying too much area.

[0045] The above description, in conjunction with specific embodiments, provides a further detailed explanation of the present invention. It should not be construed that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, several simple deductions or substitutions can be made without departing from the concept of the present invention, and all such deductions or substitutions should be considered to fall within the scope of protection defined by the claims submitted herein.

Claims

1. An automated repair device for oil pipeline lined with petroleum pipe, comprising a multi-functional machine tool (100), a fixing clamp (103) is provided on one side of the upper end of the multi-functional machine tool (100), the fixing clamp (103) clamps the oil pipeline and is rotatable, a first movable base (101) is slidably connected to the upper end of the multi-functional machine tool (100), a cutting tool assembly (102) is provided on the first movable base (101), and a second movable base (200) is slidably connected to the other side of the upper end of the multi-functional machine tool (100), a pipe top component (201) is provided on the second movable base (200), characterized in that, An L-shaped bracket (202) is fixedly connected to one side of the outer wall of the second movable base (200). A support rod (203) is detachably connected to the side wall of the L-shaped bracket (202). A rotating connecting plate (204) is rotatably connected to the outer wall of the support rod (203). The pipe top piece (201) is detachably connected to the rotating connecting plate (204). An adjusting component (205) is detachably connected to the rotating connecting plate (204) at the position opposite to the pipe top piece (201). A mounting platform (303) is detachably connected to the moving end of the adjusting component (205). Two meshing rotating toothed rollers (300) are installed on the mounting platform (303). Each rotating toothed roller (300) The two sides of the 0) are rotatably connected to the mounting bracket (301), and the movable end of the adjustment component (205) is detachably connected to the mounting platform (303). The mounting bracket (301) is set on the mounting platform (303). The mounting platform (303) is located on the left and right sides between the two rotating toothed rollers (300). Both sides are detachably connected to the transverse cutting blade (400). The outer wall of the two rotating toothed rollers (300) is inserted into the interior of the inner liner tube and is in close contact with the inner wall of the inner liner tube. The two rotating toothed rollers (300) rotate in opposite directions to pull out the inner liner tube. During the process of the rotating toothed rollers (300) pulling out the inner liner tube, the transverse cutting blade (400) simultaneously divides the inner liner tube into two semi-circular tubes.

2. The automated repair device for oil pipeline liners according to claim 1, characterized in that, A tensioning component is installed on the adjusting component (205). The tensioning component causes the two rotating toothed rollers (300) to move towards each other or in opposite directions at the same time. When the two rotating toothed rollers (300) move in opposite directions, the outer wall of the two rotating toothed rollers (300) contacts the inner wall of the inner liner tube to generate friction.

3. The automated repair device for oil pipeline liners according to claim 1, characterized in that, Each mounting bracket (301) has a drive assembly (302) detachably connected to its outer wall, and the rotating end of the drive assembly (302) is detachably connected to the outer wall of one end of the rotating toothed roller (300).

4. The automated repair device for oil pipeline liners according to claim 1, characterized in that, A fixing component is installed on the second movable base (200) for fixing the position of the pipe top component (201) or the adjusting component (205).

5. The automated repair device for oil pipeline liners according to claim 2, characterized in that, The tensioning assembly includes a telescopic cylinder (308), and four rectangular second sliding grooves (304) are provided on the mounting platform (303). A sliding block (305) is slidably connected inside each second sliding groove (304). The outer wall of the sliding block (305) is fixedly connected to the mounting bracket (301). The telescopic cylinder (308) is installed inside the adjusting assembly (205). A push plate (307) is detachably connected to the telescopic end of the telescopic cylinder (308). A linkage plate (310) is fixedly connected between the upper and lower mounting brackets (301). A rotating connecting plate (306) is rotatably connected to the outer wall of each linkage plate (310). The rotating connecting plate (306) is rotatably connected to the outer wall of the push plate (307).

6. The automated repair device for oil pipeline liners according to claim 3, characterized in that, The drive assembly includes a servo motor and a reducer. The rotating end of the servo motor is connected to the power input end of the reducer, and the output end of the reducer is connected to one end of the rotating toothed roller (300).

7. The automated repair device for oil pipeline liners according to claim 4, characterized in that, The fixing component includes a U-shaped bracket (208), a second movable base (200) with a hollow interior and a first sliding groove (206) disposed opposite to it at the upper end, the first sliding groove (206) communicating with the hollow part of the second movable base (200), through grooves (207) disposed on both outer walls of the second movable base (200), the through grooves (207) communicating with the hollow part of the second movable base (200), the U-shaped bracket (208) disposed in the hollow part of the second movable base (200), and an extension handle (210) extending through the through groove (207) fixedly connected to both outer walls of the U-shaped bracket (208), and a first spring (209) disposed on the inner bottom of the second movable base (200), the first spring (209) causing the U-shaped bracket (208) to have an upward force.

8. The automated repair device for oil pipeline liners according to claim 1, characterized in that, The outer walls of the two transverse cutting blades (400) are inclined.

9. The automated repair device for oil pipeline liners according to claim 8, characterized in that, An inclined guide plate (401) is fixedly connected to the opposite surfaces of the two transverse cutting blades (400), and the inclined guide plate (401) has the same inclined surface near the outer wall of the transverse cutting blade (400).

10. The automated repair device for oil pipeline liners according to claim 1, characterized in that, The two ends of the rotating toothed roller (300) are arc-shaped, and the outer wall at the center is annular.

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