Full-automatic old oil pipe detection and maintenance system

Abstract

The utility model relates to a full-automatic old oil pipe detection and maintenance system. The utility model has the advantages of full-automatic operation and high efficiency; comprising a cleaning assembly used for placing and cleaning an oil pipe, a drift diameter assembly used for drift diameter of the oil pipe, a flaw detection sorting assembly used for flaw detection of the oil pipe, a pressure test assembly used for pressure test detection of the oil pipe, a maintenance assembly used for repairing the oil pipe and a total PLC control device which are sequentially arranged in the old oil pipe detection and maintenance system. Wherein the drift diameter assembly is located on the rear side of the cleaning assembly, the flaw detection assembly is located on the right side of the drift diameter assembly, the pressure test assembly is located on the right side of the flaw detection assembly, the maintenance assembly is located on the front side of the pressure test assembly, and the main PLC control device is electrically connected with the cleaning assembly, the drift diameter assembly, the flaw detection sorting assembly, the pressure test assembly and the maintenance assembly.

Description

TECHNICAL FIELD

[0001] The utility model belongs to oil pipe detection maintenance technical field, specifically relates to a kind of full-automatic old oil pipe detection maintenance system. BACKGROUND

[0002] Oil pipe is used in oilfield development as important component in the process of oil well exploitation. Due to the complex underground environment, oil pipe is inevitably corroded and damaged in the production process. In order to save cost, each oilfield in China invests a lot of funds in the work of old oil pipe detection and maintenance for reuse.

[0003] At present, the oil pipe repair system of "mechatronics + manual assistance" is generally used in domestic oilfields. Compared with the past, although the automation level has been greatly improved, manual assistance operation is still needed in many production links such as bend pipe identification, on-line pipe rack pipe arrangement, thread identification, coupling replacement and process connection. Not only does it reduce production efficiency and increase labor force, but also causes missed detection of defective oil pipes due to large manual identification error and poor reliability, resulting in safety hazards of oil well exploitation. Therefore, a full-automatic old oil pipe detection and maintenance system is designed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the deficiency of prior art and providing a full-automatic old oil pipe detection and maintenance system with full-automatic operation and high efficiency.

[0005] The technical scheme of the utility model is as follows:

[0006] A full-automatic old oil pipe detection and maintenance system, which comprises a cleaning assembly for oil pipe placement and cleaning, a gauge assembly for oil pipe gauge, a flaw detection and sorting assembly for oil pipe flaw detection, a pressure test assembly for oil pipe pressure test, a maintenance assembly for oil pipe repair and a general PLC control device arranged in old oil pipe detection and maintenance system in sequence, wherein the gauge assembly is installed at the rear side of the cleaning assembly, the flaw detection assembly is installed at the right side of the gauge assembly, the pressure test assembly is installed at the right side of the flaw detection assembly, the maintenance assembly is installed at the front side of the pressure test assembly, and the general PLC control device is electrically connected with the cleaning assembly, the gauge assembly, the flaw detection and sorting assembly, the pressure test assembly and the maintenance assembly respectively.

[0007] Further, the cleaning assembly comprises a work line loading pipe rack, an automatic pipe arranging device is arranged above the work line loading pipe rack, a bent pipe unloading transmission line is arranged at the rear side of the work line loading pipe rack, a cleaning loading pipe rack is arranged at the rear side of the bent pipe unloading transmission line, a full-automatic oil pipe cleaning machine is arranged at the rear side of the cleaning loading pipe rack, the gauge assembly is arranged at the rear side of the full-automatic oil pipe cleaning machine, and the work line loading pipe rack, the automatic pipe arranging device, the bent pipe unloading transmission line, the cleaning loading pipe rack and the full-automatic oil pipe cleaning machine are electrically connected with the first PLC, and the first PLC is electrically connected with the general PLC.

[0008] Further, the gauge assembly comprises a gauge loading pipe rack arranged at the rear side of the full-automatic oil pipe cleaning machine, an oil pipe automatic gauge device is arranged at the rear side of the gauge loading pipe rack, a gauge unloading pipe rack is arranged at the rear side of the oil pipe automatic gauge device, and the flaw detection and sorting assembly is arranged at the right side of the gauge unloading pipe rack, and the gauge loading pipe rack, the oil pipe automatic gauge device and the gauge unloading pipe rack are electrically connected with the second PLC, and the second PLC is electrically connected with the general PLC control device.

[0009] Further, the flaw detection and sorting assembly comprises a flaw detection transmission line arranged at the rear side of the gauge unloading pipe rack, an oil pipe magnetic flux leakage flaw detector is arranged at the right side of the flaw detection transmission line, an automatic thread identification device is arranged at the front side of the oil pipe magnetic flux leakage flaw detector, a thread detection pipe rack is arranged at the front side of the automatic thread identification device, a 1# full-automatic color ring identification device is arranged at the front side of the thread detection pipe rack, and the maintenance assembly is arranged at the front side of the 1# full-automatic color ring identification device, and the flaw detection transmission line, the oil pipe magnetic flux leakage flaw detector, the automatic thread identification device, the thread detection pipe rack and the 1# full-automatic color ring identification device are electrically connected with the third PLC, and the third PLC is electrically connected with the general PLC control device.

[0010] Further, the maintenance assembly comprises a pressure test transmission line arranged at the front side of the 1# full-automatic color ring identification device, a 1# maintenance pipe rack is arranged at the front side of the pressure test transmission line, a maintenance transmission line is arranged at the front side of the 1# maintenance pipe rack, a 1# full-automatic color ring identification device is arranged at the right side of the maintenance transmission line, a 2# maintenance pipe rack is arranged at the right rear side of the 1# full-automatic color ring identification device, a numerical control lathe is arranged at the rear side of the 2# maintenance pipe rack, a 3# maintenance pipe rack is arranged at the rear side of the numerical control lathe, a full-automatic oil pipe threader is arranged at the rear side of the 3# maintenance pipe rack, and the pressure test assembly is arranged at the rear side of the full-automatic oil pipe threader, and the pressure test transmission line, the 1# maintenance pipe rack, the maintenance transmission line, the 1# full-automatic color ring identification device, the 2# maintenance pipe rack, the numerical control lathe, the 3# maintenance pipe rack and the full-automatic oil pipe threader are electrically connected with the fourth PLC, and the fourth PLC is electrically connected with the general PLC control device.

[0011] Further, the pressure test assembly comprises a pressure test upper loading pipe rack arranged at the rear side of the full-automatic oil pipe screwing machine, the rear side of the pressure test upper loading pipe rack is connected to the right part of the pressure test transmission line, the right part of the rear side of the pressure test transmission line is provided with a full-automatic oil pipe pressure test machine, the rear side of the full-automatic oil pipe pressure test machine is provided with a 2# full-automatic color ring identification device, the rear side of the 2# full-automatic color ring identification device is provided with a pressure test lower loading pipe rack, the rear side of the pressure test lower loading pipe rack is provided with a transition transmission line, the rear side of the transition transmission line is provided with a 1# transition pipe rack, the rear side of the 1# transition pipe rack is provided with a 2# full-automatic color ring identification device, the left side of the 2# full-automatic color ring identification device is provided with a lower loading transmission line, the rear side of the lower loading transmission line is provided with a 1# finished product pipe rack, a 2# finished product pipe rack and a 1# waste product pipe rack, the pressure test upper loading pipe rack, the full-automatic oil pipe pressure test machine, the 2# full-automatic color ring identification device, the pressure test lower loading pipe rack, the transition transmission line, the 1# transition pipe rack, the 2# full-automatic color ring identification device, the lower loading transmission line, the 1# finished product pipe rack, the 2# finished product pipe rack and the 1# waste product pipe rack are electrically connected with the fifth PLC, and the fifth PLC is electrically connected with the total PLC control device.

[0012] Further, the left part of the rear side of the bent pipe lower loading transmission line is provided with a 2# waste product pipe rack, the 2# waste product pipe rack is electrically connected with the first PLC, the left part of the 2# waste product pipe rack is provided with a sewage sedimentation tank, the sewage sedimentation tank is communicated with the full-automatic oil pipe cleaning machine, the left side of the full-automatic oil pipe pressure test machine is provided with a circulating water tank communicated with the sewage sedimentation tank, and the circulating water tank is communicated with the full-automatic oil pipe pressure test machine.

[0013] Further, the rear side of the flaw detection transmission line is provided with a 2# transition pipe rack, and the rear side of the 2# transition pipe rack is connected to the left part of the lower loading transmission line.

[0014] Further, the right part of the oil pipe magnetic flux leakage flaw detection machine is connected with the transition transmission line.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The utility model discloses realize full-automatic operation, improve production efficiency and reduce labor intensity.

[0017] 2. The utility model discloses full-automatic operation, so that people and workpieces are completely isolated, and essential safety is realized.

[0018] 3. The utility model discloses machine recognition oil pipe defect, and the determination standard is unified, stable and reliable, and improves oil pipe detection quality.

[0019] In summary, the utility model has the advantages of full-automatic operation and high efficiency. DRAWINGS

[0020] Figure 1It is the top view schematic diagram of the utility model structure.

[0021] In the figure, 1, work line pipe rack; 2, automatic pipe arranging device; 3, automatic pipe bending identification device; 4, bent pipe unloading transmission line; 5, cleaning pipe rack; 6, maintenance transmission line; 7, 1# maintenance pipe rack; 8, pressure test transmission line; 9, 1# full-automatic color ring identification device; 10, thread detection pipe rack; 11, automatic thread identification device; 12, 1# full-automatic color ring identification device; 13, 2# maintenance pipe rack; 14, numerical control lathe; 15, 3# maintenance pipe rack; 16, full-automatic oil pipe threader; 17, pressure test pipe rack; 18, full-automatic oil pipe pressure tester; 19, 2# full-automatic color ring identification device; 20, pressure test unloading pipe rack; 21, transition transmission line; 22, 1# transition pipe rack; 23, 2# full-automatic color ring identification device; 24, unloading transmission line; 25, circulating water pool; 26, 1# finished pipe rack; 27, 2# finished pipe rack; 28, oil pipe magnetic flux leakage detector; 29, 1# waste pipe rack; 30, 2# transition pipe rack; 31, flaw detection transmission line; 32, gauge unloading pipe rack; 33, oil pipe automatic gauge device; 34, gauge pipe rack; 35, full-automatic oil pipe cleaning machine; 36, sewage sedimentation tank; 37, 2# waste pipe rack. DETAILED DESCRIPTION

[0022] 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.

[0023] As shown in Figure 1 An old oil pipe detection and maintenance system is provided, which comprises a cleaning assembly for oil pipe placement and cleaning, a gauge assembly for oil pipe gauge, a flaw detection and sorting assembly for oil pipe flaw detection, a pressure test assembly for oil pipe pressure test, a maintenance assembly for oil pipe repair and a general PLC control device arranged in sequence in the old oil pipe detection and maintenance system, wherein the gauge assembly is located at the rear side of the cleaning assembly, the flaw detection assembly is located at the right side of the gauge assembly, the pressure test assembly is located at the right side of the flaw detection assembly, the maintenance assembly is located at the front side of the pressure test assembly, and the general PLC control device is electrically connected with the cleaning assembly, the gauge assembly, the flaw detection and sorting assembly, the pressure test assembly and the maintenance assembly respectively.

[0024] In the embodiment, the cleaning assembly comprises a work line loading pipe rack 1, an automatic pipe arranging device 2 is arranged above the work line loading pipe rack 1, a bent pipe unloading conveying line 4 is arranged at the rear side of the work line loading pipe rack 1, a cleaning loading pipe rack 5 is arranged at the rear side of the bent pipe unloading conveying line 4, a full-automatic oil pipe cleaning machine 35 is arranged at the rear side of the cleaning loading pipe rack 5, a gauge assembly is arranged at the rear side of the full-automatic oil pipe cleaning machine 35, and the work line loading pipe rack 1, the automatic pipe arranging device 2, the bent pipe unloading conveying line 4, the cleaning loading pipe rack 5 and the full-automatic oil pipe cleaning machine 35 are electrically connected with the first PLC;

[0025] The oil pipe to be detected is placed on the work line loading pipe rack 1, and then the work line loading pipe rack 1 conveys the oil pipe, when the oil pipe reaches the automatic pipe arranging device 2, the automatic pipe arranging device 2 aligns the oil pipe, then the work line loading rack continues to convey the oil pipe to pass through the automatic bent pipe identifying device 3, the automatic bent pipe identifying device 3 identifies the bent oil pipe and feeds back information to the first PLC, then the oil pipe is conveyed by the work line loading pipe rack 1 to the bent pipe unloading conveying line 4, the straight oil pipe is directly conveyed by the cleaning loading pipe rack 5 to the full-automatic oil pipe cleaning machine 35, after the full-automatic oil pipe cleaning machine 35 completes the oil pipe cleaning, the oil pipe is conveyed to the gauge assembly, the bent oil pipe is conveyed by the bent pipe unloading conveying line 4 to the rear side of the 2# waste pipe rack 37, and then is placed on the 2# waste pipe rack 37.

[0026] Preferably, the gauge assembly comprises a gauge loading pipe rack 34 arranged at the rear side of the full-automatic oil pipe cleaning machine 35, an oil pipe automatic gauge device 33 is arranged at the rear side of the gauge loading pipe rack 34, a gauge unloading pipe rack 32 is arranged at the rear side of the oil pipe automatic gauge device 33, and a flaw detection and sorting assembly is arranged at the right side of the gauge unloading pipe rack 32, the gauge loading pipe rack 34, the oil pipe automatic gauge device 33 and the gauge unloading pipe rack 32 are electrically connected with the second PLC;

[0027] After the full-automatic oil pipe cleaning machine 35 completes the oil pipe cleaning, the oil pipe is conveyed to the gauge loading pipe rack 34, the gauge loading pipe rack 34 conveys the oil pipe to the oil pipe automatic gauge device 33 for gauging, the gauged oil pipe is conveyed by the gauge unloading pipe rack 32, and then is conveyed to the flaw detection and sorting assembly.

[0028] In the embodiment, the flaw detection sorting assembly comprises a flaw detection conveying line 31 located at the rear side of the gauge downfeed pipe rack 32, the right side of the flaw detection conveying line 31 is provided with a tubing magnetic flux leakage flaw detector 28, the front side of the tubing magnetic flux leakage flaw detector 28 is provided with an automatic thread identification device 11, the front side of the automatic thread identification device 11 is provided with a thread detection pipe rack 10, the front side of the thread detection pipe rack 10 is provided with a 1# full-automatic color ring identification device 9, and a maintenance assembly is arranged at the front side of the 1# full-automatic color ring identification device 9; the flaw detection conveying line 31, the tubing magnetic flux leakage flaw detector 28, the automatic thread identification device 11, the thread detection pipe rack 10 and the 1# full-automatic color ring identification device 9 are electrically connected with the third PLC;

[0029] When the tubing conveyed by the gauge downfeed pipe rack 32 passes through the flaw detection conveying line 31, the flaw detection conveying line 31 sends the tubing to the tubing magnetic flux leakage flaw detector 28, the tubing magnetic flux leakage flaw detector 28 detects the tubing, and divides the tubing into repairable tubing, qualified tubing and scrap tubing; the repairable tubing and the qualified tubing are conveyed by the thread detection pipe rack 10, pass through the automatic thread identification device 11 for thread detection, and are continuously conveyed to the 1# full-automatic color ring identification device 9; the 1# full-automatic color ring identification device 9 colors according to the defects detected by the tubing magnetic flux leakage flaw detector 28 and the automatic thread identification device 11, and then sends the tubing to the maintenance assembly for maintenance.

[0030] The scrap tubing passes through the transition conveying line 21, is then sent to the front side of the 1# transition pipe rack 22 through the transition conveying line 21, is continuously conveyed by the 1# transition pipe rack 22, is sent to the front side of the 1# waste pipe rack 29 through the downfeed conveying line 24, and is collected by the 1# waste pipe rack 29.

[0031] In the embodiment, the maintenance assembly comprises a pressure test conveying line 8 arranged at the front side of the 1# full-automatic color ring identification device 9, the front side of the pressure test conveying line 8 is provided with a 1# maintenance pipe rack 7, the front side of the 1# maintenance pipe rack 7 is provided with a maintenance conveying line 6, the right side of the maintenance conveying line 6 is provided with a 1# full-automatic color ring identification device 12, the right rear side of the 1# full-automatic color ring identification device 12 is provided with a 2# maintenance pipe rack 13, the rear side of the 2# maintenance pipe rack 13 is provided with a numerical control lathe 14, the rear side of the numerical control lathe 14 is provided with a 3# maintenance pipe rack 15, the rear side of the 3# maintenance pipe rack 15 is provided with a full-automatic tubing threader 16, and a pressure test assembly is arranged at the rear side of the full-automatic tubing threader 16; the pressure test conveying line 8, the 1# maintenance pipe rack 7, the maintenance conveying line 6, the 1# full-automatic color ring identification device 12, the 2# maintenance pipe rack 13, the numerical control lathe 14, the 3# maintenance pipe rack 15 and the full-automatic tubing threader 16 are electrically connected with the fourth PLC.

[0032] When the oil pipe is marked by the 1# full-automatic color ring marking device 9, it is sent to the pressure test transmission line 8, and then to the 1# maintenance pipe rack 7, and then to the maintenance transmission line 6, and then to the 1# full-automatic color ring marking device 12 in the maintenance transmission line 6, and then to the 2# maintenance pipe rack 13, and then to the oil pipe leakage magnetic flaw detector 28, and then to the numerical control lathe 14, and then to the 3# maintenance pipe rack 15, and then to the automatic thread identification device 11, and then to the full-automatic oil pipe thread machine 16, and then to the pressure test assembly.

[0033] In the embodiment, the pressure test assembly comprises the pressure test upper feeding pipe rack 17 arranged at the rear side of the full-automatic oil pipe thread machine 16, the rear side of the pressure test upper feeding pipe rack 17 is connected to the right part of the pressure test transmission line 8, the right part of the pressure test transmission line 8 is provided with the full-automatic oil pipe pressure test machine 18, the rear side of the full-automatic oil pipe pressure test machine 18 is provided with the 2# full-automatic color ring marking device 19, the rear side of the 2# full-automatic color ring marking device 19 is provided with the pressure test lower feeding pipe rack 20, the rear side of the pressure test lower feeding pipe rack 20 is provided with the transition transmission line 21, the rear side of the transition transmission line 21 is provided with the 1# transition pipe rack 22, the rear side of the 1# transition pipe rack 22 is provided with the 2# full-automatic color ring marking device 23, the left side of the 2# full-automatic color ring marking device 23 is provided with the lower feeding transmission line 24, the rear side of the lower feeding transmission line 24 is provided with the 1# finished product pipe rack 26, the 2# finished product pipe rack 27 and the 1# waste product pipe rack 29, and the pressure test upper feeding pipe rack 17, the full-automatic oil pipe pressure test machine 18, the 2# full-automatic color ring marking device 19, the pressure test lower feeding pipe rack 20, the transition transmission line 21, the 1# transition pipe rack 22, the 2# full-automatic color ring marking device 23, the lower feeding transmission line 24, the 1# finished product pipe rack 26, the 2# finished product pipe rack 27 and the 1# waste product pipe rack 29 are electrically connected to the fifth PLC.

[0034] The oil pipe repaired by the maintenance assembly is sent to the pressure test upper feeding pipe rack 17, and then sent to the full-automatic oil pipe pressure test machine 18 through the pressure test transmission line 8 for pressure test, and then the oil pipe after the pressure test is marked by the 2# full-automatic color ring marking device 19, and then the qualified oil pipe and the scrapped oil pipe are sent to the transition transmission line 21, and then sent to the 1# transition pipe rack 22 through the transition transmission line 21, and then sent to the 1# finished product pipe rack 26, the 2# finished product pipe rack 27 and the 1# waste product pipe rack 29 through the lower feeding transmission line 24, and then the waste product oil pipe is collected by the 1# waste product pipe rack 29, and the qualified oil pipe is collected by the 1# finished product pipe rack 26 and the 2# finished product pipe rack 27.

[0035] The repairable oil pipe is sent to the front side of the 1# transition pipe rack 22 through the transition transmission line 21, and then is continuously sent by the 1# transition pipe rack 22, is sent to the 2# transition pipe rack 30 through the blanking transmission line 24, and then is detected again by the oil pipe magnetic flux leakage flaw detector 28 and the automatic thread identification device 11, is repaired by the repair assembly, and the qualified oil pipe and the scrapped oil pipe are sent to the 1# waste pipe rack 29, the 1# finished pipe rack 26 and the 2# finished pipe rack 27, and the repairable oil pipe continues to circulate until all the oil pipes are processed.

[0036] In the embodiment, the first PLC, the second PLC, the third PLC, the fourth PLC and the fifth PLC are electrically connected with the total PLC control device, and the cleaning assembly, the gauge assembly, the flaw detection and sorting assembly, the pressure test assembly and the repair assembly are controlled by the total PLC control device.

[0037] In the embodiment, the left front side of the bent pipe blanking transmission line 4 is provided with the 2# waste pipe rack 37, the 2# waste pipe rack 37 is electrically connected with the first PLC, the left part of the 2# waste pipe rack 37 is provided with the sewage sedimentation tank 36, the sewage sedimentation tank 36 is communicated with the full-automatic oil pipe cleaning machine 35, the left side of the full-automatic oil pipe pressure test machine 18 is provided with the circulating water tank 25 communicated with the sewage sedimentation tank 36, and the circulating water tank 25 is communicated with the full-automatic oil pipe pressure test machine 18;

[0038] The bent oil pipe recognized by the automatic bent pipe identification device 3 is sent to the rear side of the 2# waste pipe rack 37 by the bent pipe blanking transmission line 4, and then is collected by the 2# waste pipe rack 37;

[0039] The sewage in the full-automatic oil pipe cleaning machine 35 is sent to the sewage sedimentation tank 36, and the sewage of the full-automatic oil pipe pressure test machine 18 is sent into the circulating water tank 25, the circulating water tank 25 and the sewage sedimentation tank 36 are subjected to multi-stage sedimentation and separation, so that the sewage is purified and recycled for zero emission, thereby saving water and protecting the environment.

[0040] In the embodiment, the rear side of the flaw detection transmission line 31 is provided with the 2# transition pipe rack 30, and the rear side of the 2# transition pipe rack 30 is connected to the left part of the blanking transmission line 24;

[0041] The work line loading pipe rack 1, the cleaning loading pipe rack 5, the gauge loading pipe rack 34, the gauge blanking transmission line 32, the thread detection pipe rack 10, the 1# repair pipe rack 7, the 2# repair pipe rack 13, the 3# repair pipe rack 15, the pressure test loading pipe rack 17, the pressure test blanking transmission line 20, the 1# transition pipe rack and the 2# transition pipe rack all adopt the new oil pipe transmission line noise reduction device of the Dongying Tianhe Trade Limited Liability Company, and the new oil pipe transmission line noise reduction device can drive the oil pipe to move;

[0042] The No. 2 waste pipe rack, No. 1 waste pipe rack, No. 2 finished pipe rack and No. 1 finished pipe rack all adopt the new oil pipe transmission line noise reduction device of Dongying Tianhe Industry and Trade Co., Ltd. The output ends of the No. 2 waste pipe rack, No. 1 waste pipe rack, No. 2 finished pipe rack and No. 1 finished pipe rack are all equipped with a collection rack to collect oil pipes.

[0043] The pipe bending unloading conveyor line 4, flaw detection conveyor line 31, pressure testing conveyor line 8, maintenance conveyor line 6, transition conveyor line 21 and unloading conveyor line 24 all adopt conveyor roller assemblies. The conveyor roller assembly is composed of multiple conveyor roller mechanisms according to application number 201220369700.4. The conveyor roller mechanisms in each conveyor roller assembly are arranged at equal intervals, and the distance between every two conveyor roller mechanisms is less than the length of the oil pipe, which can drive the oil pipe to move horizontally.

[0044] In this embodiment, the right side of the oil pipe magnetic flux leakage detector 28 is connected to the transition transmission line 21;

[0045] The automatic pipe feeding device 2 is selected from the automatic oil pipe feeding equipment of Dongying Tianhe Industry and Trade Co., Ltd.

[0046] The fully automatic oil pipe cleaning machine 35 uses the water-boiling type automatic oil pipe cleaning device from Dongying Tianhe Industry and Trade Co., Ltd.

[0047] The automatic tubing gauging device 33 is selected from the tubing internal cleaning and gauging equipment of Dongying Tianhe Industry and Trade Co., Ltd.

[0048] The automatic thread identification device 11 uses the oil pipe thread identification equipment from Dongying Tianhe Industry and Trade Co., Ltd.;

[0049] Both the #1 and #2 fully automatic color ring marking devices are equipped with automatic oil pipe painting equipment from Dongying Tianhe Industry and Trade Co., Ltd.

[0050] The fully automatic hose tightening machine 16 uses the hydraulic hose tightening machine from Dongying Tianhe Industry and Trade Co., Ltd.

[0051] The oil pipe magnetic flux leakage flaw detector 28 is selected from Dongying Tianhe Industry and Trade Co., Ltd.

[0052] The fully automatic oil pipe pressure testing machine 18 uses a top-lock hydraulic press from Qingdao Zhongruitai Soft Control Technology Co., Ltd.

[0053] The automatic pipe bending identification device 3 uses laser ranging to analyze and identify the straightness of the oil pipe, thereby determining the degree of bending of the oil pipe. The automatic pipe bending identification device 3 includes a straight module set above the material pipe rack 1 on the work line. The drive unit of the straight module is equipped with a laser contour scanner to detect the straightness of the oil pipe and upload the information to the first PLC.

[0054] 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 fully automatic used tubing inspection and repair system, characterized by: The utility model provides an old oil pipe detection and repair system, which comprises a cleaning assembly for oil pipe laying and cleaning, a sizing assembly for oil pipe sizing, a flaw detection and sorting assembly for oil pipe flaw detection, a pressure test assembly for oil pipe pressure test, a repair assembly for oil pipe repair and a general PLC control device arranged in sequence, wherein the sizing assembly is located at the rear side of the cleaning assembly, the flaw detection assembly is located at the right side of the sizing assembly, the pressure test assembly is located at the right side of the flaw detection assembly, the repair assembly is located at the front side of the pressure test assembly, and the general PLC control device is electrically connected with the cleaning assembly, the sizing assembly, the flaw detection and sorting assembly, the pressure test assembly and the repair assembly respectively.

2. The fully automatic used tubing inspection and repair system of claim 1, wherein: The cleaning assembly comprises a work line feeding pipe rack, an automatic pipe arranging device is arranged above the work line feeding pipe rack, an automatic bent pipe identifying device is arranged at the rear side of the work line feeding pipe rack, a bent pipe unloading conveying line is arranged at the rear side of the automatic bent pipe identifying device, a cleaning feeding pipe rack is arranged at the rear side of the bent pipe unloading conveying line, a full-automatic oil pipe cleaning machine is arranged at the rear side of the cleaning feeding pipe rack, the sizing assembly is arranged at the rear side of the full-automatic oil pipe cleaning machine, and the work line feeding pipe rack, the automatic pipe arranging device, the bent pipe unloading conveying line, the cleaning feeding pipe rack and the full-automatic oil pipe cleaning machine are electrically connected with the first PLC, and the first PLC is electrically connected with the general PLC.

3. The fully automatic used tubing inspection and repair system of claim 2, wherein: The sizing assembly comprises a sizing feeding pipe rack arranged at the rear side of the full-automatic oil pipe cleaning machine, an automatic oil pipe sizing device is arranged at the rear side of the sizing feeding pipe rack, a sizing unloading pipe rack is arranged at the rear side of the automatic oil pipe sizing device, the flaw detection and sorting assembly is arranged at the right side of the sizing unloading pipe rack, and the sizing feeding pipe rack, the automatic oil pipe sizing device and the sizing unloading pipe rack are electrically connected with the second PLC, and the second PLC is electrically connected with the general PLC control device.

4. The fully automatic used tubing inspection and repair system of claim 3, wherein: The flaw detection and sorting assembly comprises a flaw detection conveying line arranged at the rear side of the sizing unloading pipe rack, an oil pipe magnetic flux leakage flaw detector is arranged at the right side of the flaw detection conveying line, an automatic thread identifying device is arranged at the front side of the oil pipe magnetic flux leakage flaw detector, a thread detection pipe rack is arranged at the front side of the automatic thread identifying device, a 1# full-automatic color ring identifying device is arranged at the front side of the thread detection pipe rack, the repair assembly is arranged at the front side of the 1# full-automatic color ring identifying device, and the flaw detection conveying line, the oil pipe magnetic flux leakage flaw detector, the automatic thread identifying device, the thread detection pipe rack and the 1# full-automatic color ring identifying device are electrically connected with the third PLC, and the third PLC is electrically connected with the general PLC control device.

5. The fully automatic used tubing inspection and repair system of claim 4, wherein: The maintenance assembly comprises a pressure test transmission line arranged at the front side of the 1# full-automatic color ring identification device, a 1# maintenance pipe rack is arranged at the front side of the pressure test transmission line, a maintenance transmission line is arranged at the front side of the 1# maintenance pipe rack, a 1# full-automatic color ring identification device is arranged at the right side of the maintenance transmission line, a 2# maintenance pipe rack is arranged at the right rear side of the 1# full-automatic color ring identification device, a numerical control lathe is arranged at the rear side of the 2# maintenance pipe rack, a maintenance pipe rack is arranged at the rear side of the numerical control lathe, a 3# maintenance pipe rack is arranged at the rear side of the 3# maintenance pipe rack, and the pressure test assembly is arranged at the rear side of the full-automatic oil pipe screwing machine; the pressure test transmission line, the 1# maintenance pipe rack, the maintenance transmission line, the 1# full-automatic color ring identification device, the 2# maintenance pipe rack, the numerical control lathe, the 3# maintenance pipe rack and the full-automatic oil pipe screwing machine are electrically connected with the fourth PLC, and the fourth PLC is electrically connected with the total PLC control device.

6. The fully automatic used tubing inspection and repair system of claim 5, wherein: The pressure test assembly comprises a pressure test upper feeding pipe rack arranged at the rear side of the full-automatic oil pipe screwing machine, the rear side of the pressure test upper feeding pipe rack is connected to the right part of the pressure test transmission line, a full-automatic oil pipe pressure test machine is arranged at the right rear side of the pressure test transmission line, a 2# full-automatic color ring identification device is arranged at the rear side of the full-automatic oil pipe pressure test machine, a pressure test lower feeding pipe rack is arranged at the rear side of the 2# full-automatic color ring identification device, a transition transmission line is arranged at the rear side of the pressure test lower feeding pipe rack, a 1# transition pipe rack is arranged at the rear side of the transition transmission line, a 2# full-automatic color ring identification device is arranged at the rear side of the 1# transition pipe rack, a lower feeding transmission line is arranged at the left side of the 2# full-automatic color ring identification device, a 1# finished product pipe rack, a 2# finished product pipe rack and a 1# waste product pipe rack are arranged at the rear side of the lower feeding transmission line, and the pressure test upper feeding pipe rack, the full-automatic oil pipe pressure test machine, the 2# full-automatic color ring identification device, the pressure test lower feeding pipe rack, the transition transmission line, the 1# transition pipe rack, the 2# full-automatic color ring identification device, the lower feeding transmission line, the 1# finished product pipe rack, the 2# finished product pipe rack and the 1# waste product pipe rack are electrically connected with the fifth PLC, and the fifth PLC is electrically connected with the total PLC control device.

7. The fully automatic used tubing inspection and repair system of claim 1, wherein: The left front side of the bent pipe lower feeding transmission line is provided with a 2# waste product pipe rack, the 2# waste product pipe rack is electrically connected with the first PLC, a sewage sedimentation tank is arranged at the left part of the 2# waste product pipe rack, the sewage sedimentation tank is communicated with the full-automatic oil pipe cleaning machine, a circulating water tank communicated with the sewage sedimentation tank is arranged at the left side of the full-automatic oil pipe pressure test machine, and the circulating water tank is communicated with the full-automatic oil pipe pressure test machine.

8. The fully automatic used tubing inspection and repair system of claim 1, wherein: The rear side of the flaw detection transmission line is provided with a 2# transition pipe rack, and the rear side of the 2# transition pipe rack is connected to the left part of the lower feeding transmission line.

9. The fully automatic used tubing inspection and repair system of claim 1, wherein: The right part of the oil pipe magnetic flux leakage detection machine is connected with the transition transmission line.

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