CN103245381A - Detecting device for diameter of oil and gas pipeline - Google Patents
Detecting device for diameter of oil and gas pipeline Download PDFInfo
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- CN103245381A CN103245381A CN2013101750918A CN201310175091A CN103245381A CN 103245381 A CN103245381 A CN 103245381A CN 2013101750918 A CN2013101750918 A CN 2013101750918A CN 201310175091 A CN201310175091 A CN 201310175091A CN 103245381 A CN103245381 A CN 103245381A
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Abstract
The invention relates to a detecting device for a diameter of an oil and gas pipeline, particularly to a device which can imitate pipeline transformation and corrosion detection process. The detecting experimental device can imitate various pipeline transformations and corrosion defects, meanwhile provide mounting base for various detecting sensing devices, and is suitable for detections of operation laws of a pipeline robot and the diameter of the oil and gas pipeline, ultrasonic detection, magnetic leakage detection, and studies and experiments for various pipeline detection technologies. The pipeline detection experimental device is composed of a mounting frame, a detection mechanism, a rotary table, and a motive power mechanism, wherein the mounting frame of the pipeline detection experimental device provides mounting base for the overall device; the motive power mechanism of the pipeline detection experimental device is used for delivering click twisting moments and measuring the speed of the rotary table; a sensor, which can conduct detection for the imitated pipeline defects, is mounted on the upper part of the detection mechanism of the pipeline detection experimental device; and the surface of the rotary table of the pipeline detection experimental device can produce and imitate various pipeline defects according to detection demands, so as to provide a detection platform for the detection mechanism.
Description
(1) technical field
The present invention relates to a kind of oil and gas pipes latus rectum pick-up unit, specifically a kind of device that can simulate pipe deforming and corrosion testing process.This test experience device can be simulated various pipe deformings and corrosion default, can the basis be installed for multiple detection sensing device provides simultaneously, be applicable to multiple pipe detection Study on Technology and experiments such as pipe robot moving law and the detection of oil and gas pipes latus rectum, Ultrasonic Detection, Magnetic Flux Leakage Inspecting.
(2) background technology
The main production facility that numerous advantages such as pipeline is continuous because having, quick, operational throughput is big, convenient are failed outward as oil-gas field development, production and oil gas, pipeline transportation has become the important way of oil, petrochemical industry, rock gas long-distance transportation.In recent years, along with the carrying out of China's transfering natural gas from the west to the east and seabed energy extraction, more apparent its importance of pipeline transportation expects 2015, and the pipeline total kilometrage will reach 15 * 10
4Km.
When the outstanding advantage that pipeline transportation is not replaced with it is used widely in China, the attention that the safety issue of pipeline transportation also more and more is subjected to.On the one hand, domestic a lot of oil, the pipeline of rock gas all build five in, the sixties, along with the pipeline growth of working time, the oil and gas pipes active time is also increasing, a large amount of pipelines have approached or have surpassed its designed life, a data shows, state's interior conduit " military service phase " surpass 20 years account for 62%, more than 10 years near 85%, pipeline is aging serious, because pipeline is because of corrosion, wearing and tearing, all kinds of pipeline accidents that reasons such as accidental injury cause happen occasionally, and are annual because of stopping transportation, run oil, pollute, the more than one hundred million units of loss that maintenance etc. causes, security issues become increasingly urgent; On the other hand, newly-built in recent years pipeline nearly all is high pressure, long distance, bigbore oil and gas pipeline, its construction geology condition is all comparatively abominable, and meet with threat and the destruction of disasteies such as flood, landslide, earthquake, rubble flow often, influenced seriously by the burn into weight of inside and outside medium, damage in various degree can appear in pipeline inevitably, as pipeline depression, ovalizing deflection, bending and sinking etc., serious place may cause pipeline breaking, this all might cause oil and gas leakage, influences the normal safe operation of pipeline.
At present, the crude oil of China nearly 80%, the rock gas more than 20% the product oil and 95% are all by pipeline transportation, in a single day pipeline has an accident, not only can cause enormous economic loss, and to the society and ecologic environment also can produce serious consequence, it is direct, indirect economic loss is huge, and the cost of repairs is also very high.
Pipeline network operator on the our times has adopted the several different methods assessment to detect the pipeline safety case, comprises the inspection of pipeline dedicated ground, cathodic protection measurement, Leak Detection program, excavation searching corrosive pipeline or protective finish inefficacy, the hydraulic testing and use in-pipeline detector etc.In all methods, pipeline detection is that corrosive pipeline detects one of the most effective and reliable method in all multi-methods, because have only by pipeline detection and accurately understand the pipeline situation, correct evaluation is made in security to the pipeline operation, could take favourable measure early, avoid the generation of pipeline accident.Therefore, develop detection system device in the oil and gas pipes that is fit to China's pipeline actual state, regularly pipeline is detected, assesses and safeguards, in the pipeline operational process, detect the defect information that pipe interior exists in real time, effectively instruct pipeline maintenance and reinforcing, the safety case of pipeline is placed among the operational management, the generation of could fundamentally preventing accident, ensure pipe safety operation, the serviceable life of excavating old pipeline, for national oil gas supply is given security safely.
The oil and gas pipes inner detection technique is broadly divided into common pigging, calibrates pigging, latus rectum detects and four processes such as Intelligent Measurement.Common pigging is relative with operation technique with the structure of calibrating pigging simple, develop also comparative maturity, Comparatively speaking, latus rectum detect and Intelligent Measurement then technology content than higher, relate to the fusion of many technology such as sensing and detection, data acquisition, signal processing and analysis, still the development and progress that is not stopping.
At present; Chinese scholars has been carried out big quantity research to the key content of oil and gas pipes inner detection technique; research platform has all been built by the domestic and international school of part or research institution; obtained the part achievement; but the achievement majority is actual internal detector mechanism and device; less to the research of the kinematics characteristic in the testing process, the parameter of neither one standard is chosen theoretical explanation, does not also have school or research institution to build the experimental provision that simulation pipeline continuity detects.Therefore necessary design is a kind of can simulate pipe deforming and corrode the device of testing process, research is applicable to multiple pipe detection Study on Technology and experiments such as the moving law of pipeline detection key structure and the detection of oil and gas pipes latus rectum, Ultrasonic Detection, Magnetic Flux Leakage Inspecting, develop detection system device in the oil and gas pipes that is fit to China's pipeline actual state, for national oil gas supply provides safeguard safely.
(3) summary of the invention
The present invention relates to a kind of oil and gas pipes latus rectum pick-up unit, specifically a kind of device that can simulate pipe deforming and corrosion testing process.This test experience device can be simulated various pipe deformings and corrosion default, can the basis be installed for multiple detection sensing device provides simultaneously, be applicable to multiple pipe detection Study on Technology and experiments such as pipe robot moving law and the detection of oil and gas pipes latus rectum, Ultrasonic Detection, Magnetic Flux Leakage Inspecting.
Purpose of the present invention:
A kind of oil and gas pipes latus rectum pick-up unit is made up of installation frame 1, testing agency 2, rotating disk 3, actuating unit 4.The installation frame 1 of pipe detection experimental provision is installed the basis for testing agency 2 and actuating unit 4 provide, and design simultaneously has the interface that can change testing agency's link position.The actuating unit 4 of pipe detection experimental provision passes to rotating disk with the moment of torsion of motor, and the speed of rotating disk 3 is measured.Sensor is equipped with on testing agency 2 tops of pipe detection experimental provision, can the defect of pipeline of simulation be detected.Multiple defect of pipeline be made and be simulated in the surface that the rotating disk 3 of pipe detection experimental provision contacts with testing agency 2 can, for testing agency 2 provides detection platform according to detecting needs.
(4) description of drawings
Fig. 1 is the three-dimensional plot of the total figure of pipe detection experimental provision of the present invention;
Fig. 2 is the structural representation that pipe detection experimental provision of the present invention is installed frame;
Fig. 3 is the structural representation of pipe detection experimental provision of the present invention testing agency;
Fig. 4 is the structural representation of pipe detection experimental provision rotating disk of the present invention;
Fig. 5 is the structural representation of pipe detection experimental provision actuating unit of the present invention;
Fig. 6 is the sectional view of pipe detection experimental provision actuating unit part-structure of the present invention.
(5) embodiment
For example the present invention is done description in more detail below in conjunction with accompanying drawing:
The pipe detection experimental provision is by frame 1 being installed, testing agency 2, rotating disk 3, actuating unit 4 compositions.
In conjunction with Fig. 1, the pipe detection experimental provision is by frame 1 being installed, testing agency 2, rotating disk 3, actuating unit 4 compositions.The installation frame 1 of pipe detection experimental provision is installed the basis for testing agency 2 and actuating unit 4 provide, and design simultaneously has the interface that can change testing agency's link position.The actuating unit 4 of pipe detection experimental provision passes to rotating disk with the moment of torsion of motor, and the speed of rotating disk 3 is measured.Sensor is equipped with on testing agency 2 tops of pipe detection experimental provision, can the defect of pipeline of simulation be detected.Multiple defect of pipeline be made and be simulated in the surface that the rotating disk 3 of pipe detection experimental provision contacts with testing agency 2 can, for testing agency 2 provides detection platform according to detecting needs.
In conjunction with Fig. 2, the installation frame 1 of experimental provision of the present invention is made up of a bolt 5, a spring washer 6, nut 7, upper support steel plate 8, upper support angle steel connecting hole 9, upper support angle steel 10, top non-bearing angle steel 11, upper support steel plate connecting hole 12, lower support steel plate 13, top non-bearing angle steel connecting hole 14, reinforcement angle steel 15, lower support angle steel 16, frame support 17, a lower support steel plate connecting hole 18.Upper support angle steel connecting hole 9 is one number service holes, is used for connecting testing agency 2; Upper support angle steel 10 provides support for upper support steel plate 8, is connected by a bolt 5, a spring washer 6, a nut 7 with upper support steel plate 8; Upper support angle steel 10 and top non-bearing angle steel 11 are connected by welding technology, upper support angle steel 10 with strengthen angle steel 15 and be connected by welding technology; Top non-bearing angle steel 11 and frame support 17 are connected by welding technology, top non-bearing angle steel 11 with strengthen angle steel 15 and be connected by welding technology; Upper support steel plate connecting hole 12 is one number service holes, is connected with rotating disk pallet 22 by bolt; Lower support steel plate 13 is connected with lower support angle steel 16 by a bolt 5, a spring washer 6, a nut 7; Top non-bearing angle steel connecting hole 14 is one number service holes, is used for connecting testing agency 2; Strengthen angle steel 15 and be used for guaranteeing upper support angle steel 10 and frame support 17, upper support angle steel 10 and top non-bearing angle steel 11 orthogonal position relations, and top non-bearing angle steel 11 and frame support 17 orthogonal position relations, the welding corner angle can be covered simultaneously, play protective action.Lower support angle steel 16 and frame support 17 are connected by welding technology, for lower support steel plate 13 provides support; Lower support steel plate connecting hole 18 is one number service holes, is used for connecting motor 29.
In conjunction with Fig. 3, the testing agency 2 of experimental provision of the present invention is made up of No. two screws 19, No. two plain washers 20, No. two square nuts 21, support aluminium section bar 22, aluminium section bar corner fittings 23, cantilever aluminium section bar 24, sensor support base 25, axle 26, spring 27, bearing pin 28, detection arm mount pad 29, detection arm 30.Supporting aluminium section bar 22 is connected with top non-bearing angle steel 11 with upper support angle steel 10 by No. two screws 19, No. two plain washers 20, No. two square nuts 21, for whole testing agency provides support, support aluminium section bar 22 at No. two screws 19, No. two plain washers 20, can not realize that vertical direction moves when No. two square nuts 21 are fastening, change the vertical range of cantilever aluminium section bar 24 and rotating disk 3; Supporting aluminium section bar 22 can also be by choosing different upper support angle steel connecting hole 9 and top non-bearing angle steel connecting holes 14 on upper support angle steel 10 and the top non-bearing angle steel 11, the realization horizontal direction moves, and adjusts the contact position on detection arm and rotating disk 3 surfaces.Aluminium section bar corner fittings 23 is web members, by No. two screws 19, No. two plain washers 20, No. two square nuts 21, will support aluminium section bar 22 and cantilever aluminium section bar 24 is connected and fixed, and keeps the two vertical position relation; Sensor support base 25 is connected with cantilever aluminium section bar 24 by No. two screws 19 of adjustment, No. two plain washers 20, No. two square nuts 21, at No. two screws 19, No. two plain washers 20, when No. two square nuts 21 are not fastening, can change the race way diameters that detection arm 30 and rotating disk 3 surfaces contact by adjusting the link position of sensor support base 25 and cantilever aluminium section bar 24; Detection arm mount pad 29 is fixed on the sensor support base 25 by axle 26, there is angle to detect sensing module in the detection arm mount pad 29, can be by detecting detection arm mount pad 29 around the angle of axle 26 rotations, obtain the defect information on the surface that rotating disk 3 contacts with detection arm 30.Spring 27 is fixed on the detection arm mount pad 29 by bearing pin 28, is in extended state all the time, so that detection arm 30 contacts with rotating disk 3 surfaces all the time.
In conjunction with Fig. 4, the rotating disk 3 of experimental provision of the present invention has center pit, for the central shaft 32 of actuating unit 2 provides installing space; The center pit arranged around one circle one number service hole, be used for being connected with actuating unit 2, rotating disk is fixed on the actuating unit 2; Multiple defect of pipeline be made and be simulated in the surface that rotating disk 3 contacts with testing agency 2 can, for testing agency 2 provides detection platform according to detecting needs.
In conjunction with Fig. 5 and Fig. 6, the actuating unit 4 of experimental provision of the present invention is made up of a bolt 5, a spring washer 6, nut 7, rotating disk pallet 31, central shaft 32, No. three flange set nuts 33, No. three plain washers 34, sleeve 35, No. four hexagonal nuts 36, No. four hexagon thin nuts 37, shaft coupling 38, lower tray 39, motor 40, a taper roll bearing 41, No. two taper roll bearings 42, No. four plain washers 43.Rotating disk pallet 31 links to each other with connecting through hole on the rotating disk 3 by bolt 5, spring washer 6, nut 7, for rotating disk 3 provides support; Rotating disk pallet 31 has fixing structure, cooperates with fixing structure on the center pit of rotating disk 3, is used for guaranteeing cooperation bearing accuracy and the right alignment of rotating disk pallet 31 and rotating disk 3.Central shaft 32 is used for connecting rotating disk pallet 31, taper roll bearing 41, No. two taper roll bearings 42, No. four hexagonal nuts 36, No. four hexagon thin nuts 37 and shaft coupling 38; Central shaft 32 is multidiameters, and taper roll bearing 41 provides unidirectional spacing supporting structure for No. one, and it is coaxial that each cascaded surface also keeps, and guarantees the installation right alignment of rotating disk pallet 31, taper roll bearing 41, No. two taper roll bearings 42, shaft coupling 38; The threaded engagement on No. three flange set nuts 33 and central shaft 32 tops is pressed on rotating disk pallet 31 surfaces with No. three plain washers 34, and it is tightr that rotating disk pallet 31 is contacted with the mating surface of central shaft, avoids relatively rotating.The one number service hole is arranged on the sleeve 35, be connected with upper support steel plate connecting hole 12 on the mounting bracket 1 middle and upper part supporting steel plate 8 by bolt 5, spring washer 6, nut 7, rotating disk pallet 31 is fixed on the mounting bracket 1; Sleeve 35 indoor designs the unidirectional spacing supporting structure of bearing, be used for to limit a taper roll bearing 41 and the unidirectional axial displacement of No. two taper roll bearings 42 and the unidirectional axial force of bearing two roller bearings; The threaded engagement on No. four hexagonal nuts 36 and No. four hexagon thin nuts 37 and central shaft 32 tops, No. four hexagon thin nuts 37 are as the jack panel that is equipped with of double nuts structure, and main effect is to prevent that No. four hexagonal nuts 36 are loosening; No. four hexagonal nuts 36 and No. four hexagon thin nuts 37 are pressed on No. four plain washers 43 on No. two taper roll bearings 42, are used for limiting the unidirectional axial displacement of No. two taper roll bearings 42 and the unidirectional axial force of this bearing; Shaft coupling 38 is used for connecting the output shaft of central shaft 39 and motor 40, adopts two diaphragm structures, to realize the resilient connection of central shaft 39 and motor 40 output shafts; Lower tray 39 is connected with lower support steel plate connecting hole 18 on the mounting bracket 1 middle and lower part supporting steel plate 13 by bolt 5, spring washer 6, nut 7, and lower tray 39 is fixed on the mounting bracket 1; Lower tray 39 is connected with installation through hole on motor 40 ring flanges by bolt 5, spring washer 6, nut 7; By lower tray 39, motor 40 with being installed, frame 1 is linked together, avoided the central shaft 39 and the motor 40 output shaft disalignment phenomenons that cause because of the vibrations in motor 40 courses of work; Motor 40 is power resources of actuating unit 4, can change the rotational speed of rotating disk 3 by the rotating speed of adjusting motor 40, with the pipe detection process under the simulation different motion speed.
Claims (11)
1. an oil and gas pipes latus rectum pick-up unit comprises installation frame 1, testing agency 2, rotating disk 3, actuating unit 4.
Frame 1 is installed for testing agency 2 and actuating unit 4 provide the basis is installed, comprise bolt 5, spring washer 6, nut 7, upper support steel plate 8, upper support angle steel connecting hole 9, upper support angle steel 10, top non-bearing angle steel 11, upper support steel plate connecting hole 12, lower support steel plate 13, a top non-bearing angle steel connecting hole 14, strengthen angle steel 15, lower support angle steel 16, frame support 17, lower support steel plate connecting hole 18.
Upper support steel plate 8 is connected with upper support angle steel 10 by a bolt 5, a spring washer 6, a nut 7.A plurality of upper support angle steel connecting holes 9 and top non-bearing angle steel connecting hole 14 have been designed on upper support angle steel 10 and the top non-bearing angle steel 11 respectively, be the one number service hole, be connected with testing agency 2 by a bolt 5, a spring washer 6, a nut 7.Upper support angle steel 10 and top non-bearing angle steel 11 are connected by welding technology, upper support angle steel 10 with strengthen angle steel 15 and be connected by welding technology, top non-bearing angle steel 11 and frame support 17 are connected by welding technology, top non-bearing angle steel 11 with strengthen angle steel 15 and be connected by welding technology.Lower support steel plate 13 is connected with lower support angle steel 16 by a bolt 5, a spring washer 6, a nut 7.Strengthen angle steel 15 and be used for guaranteeing upper support angle steel 10 and frame support 17, upper support angle steel 10 and top non-bearing angle steel 11, top non-bearing angle steel 11 and frame support 17 orthogonal position relations can cover the welding corner angle simultaneously, play protective action.Lower support steel plate connecting hole 18 is one number service holes, is used for connecting motor 29.
2. a kind of oil and gas pipes latus rectum pick-up unit as claimed in claim 1, its testing agency comprises No. two screws 19, No. two plain washers 20, No. two square nuts 21, supports aluminium section bar 22, aluminium section bar corner fittings 23, cantilever aluminium section bar 24, sensor support base 25, central rotating shaft 26, spring 27, bearing pin 28, detection arm mount pad 29, detection arm 30.
Support aluminium section bar 22 and be connected with upper support angle steel 10 or top non-bearing angle steel 11 by No. two screws 19, No. two plain washers 20, No. two square nuts 21, for whole testing agency provides support.Support aluminium section bar 22 at No. two screws 19, No. two plain washers 20, when No. two square nuts 21 are not fastening, can realize that vertical direction moves, change the vertical range of cantilever aluminium section bar 24 and rotating disk 3, also can be by selecting different upper support angle steel connecting hole 9 and top non-bearing angle steel connecting hole 14, the horizontal direction that realizes cantilever aluminium section bar 24 moves, to adjust the contact position on detection arm and rotating disk 3 surfaces.Cantilever aluminium section bar 24 is connected and fixed by aluminium section bar corner fittings 23, No. two screws 19, No. two plain washers 20, No. two square nuts 21 with support aluminium section bar 22.Sensor support base 25 is connected with cantilever aluminium section bar 24 by No. two screws 19, No. two plain washers 20, No. two square nuts 21, at No. two screws 19, No. two plain washers 20, when No. two square nuts 21 are not fastening, can change the race way diameters that detection arm 30 and rotating disk 3 surfaces contact by adjusting the link position of sensor support base 25 and cantilever aluminium section bar 24.
3. a kind of oil and gas pipes latus rectum pick-up unit as claimed in claim 2, it is characterized in that: detection arm mount pad 29 is fixed on the sensor support base 25 by axle 26, there is angle to detect sensing module in the detection arm mount pad 29, can be by detecting detection arm mount pad 29 around the angle of axle 26 rotations, obtain the defect information on the surface that detection arm 30 contacts with rotating disk 3.Spring 27 is fixed on the detection arm mount pad 29 by bearing pin 28, is in extended state all the time, so that detection arm 30 contacts with rotating disk 3 surfaces all the time.
4. a kind of oil and gas pipes latus rectum pick-up unit as claimed in claim 2, it is characterized in that: can be according to the research needs, support aluminium section bar 22 and upper support angle steel 10 or top non-bearing angle steel 11 by adjusting, support the installation cooperation position between aluminium section bar 22 and cantilever aluminium section bar 24, cantilever aluminium section bar 24 and the sensor support base 25, change detection arm 30 and rotating disk 3 surperficial contact positions, realize the detection of defect information on the different tracks.
5. a kind of oil and gas pipes latus rectum pick-up unit as claimed in claim 1 is characterized in that: the defect of pipeline track that can make the simulation different parameters as required on the surface that rotating disk 3 contacts with detection arm 30.The center of turntable hole has fixing structure, is used for guaranteeing cooperation bearing accuracy and the right alignment of rotating disk pallet 31 and rotating disk 3.
6. a kind of oil and gas pipes latus rectum pick-up unit as claimed in claim 1, its actuating unit 4 comprise bolt 5, spring washer 6, nut 7, rotating disk pallet 31, central shaft 32, No. three flange set nuts 33, No. three plain washers 34, sleeve 35, No. four hexagonal nuts 36, No. four hexagon thin nuts 37, shaft coupling 38, lower tray 39, motor 40, a taper roll bearing 41, No. two taper roll bearings 42, No. four plain washers 43.
Rotating disk pallet 31 links to each other with connecting through hole on the rotating disk 3 by bolt 5, spring washer 6, nut 7.The threaded engagement on No. three flange set nuts 33 and central shaft 32 tops is pressed on rotating disk pallet 31 surfaces with No. three plain washers 34, and it is tightr that rotating disk pallet 31 is contacted with the mating surface of central shaft, avoids relatively rotating.The one number service hole is arranged on the sleeve 35, be connected with upper support steel plate connecting hole 12 on the mounting bracket 1 middle and upper part supporting steel plate 8 by bolt 5, spring washer 6, nut 7, rotating disk pallet 31 is fixed on the mounting bracket 1.Lower tray 39 is connected with lower support steel plate connecting hole 18 on the mounting bracket 1 middle and lower part supporting steel plate 13 by bolt 5, spring washer 6, nut 7, and lower tray 39 is fixed on the mounting bracket 1; Lower tray 39 is connected with installation through hole on motor 40 ring flanges by bolt 5, spring washer 6, nut 7; By lower tray 39, motor 40 with being installed, frame 1 is linked together, avoided the central shaft 39 and the motor 40 output shaft disalignment phenomenons that cause because of the vibrations in motor 40 courses of work.
7. a kind of oil and gas pipes latus rectum pick-up unit as claimed in claim 6, it is characterized in that: central shaft 32 is cone match with cooperating of rotating disk pallet 31, to guarantee quality of fit and the right alignment of rotating disk pallet 31 and central shaft.Simultaneously, central shaft 32 is multidiameters, taper roll bearing 41 provides unidirectional spacing supporting structure for No. one, and it is coaxial that each cascaded surface also keeps, and guarantees the installation right alignment of rotating disk pallet 31, taper roll bearing 41, No. two taper roll bearings 42, shaft coupling 38.
8. a kind of oil and gas pipes latus rectum pick-up unit as claimed in claim 6, it is characterized in that: sleeve 35 indoor designs the unidirectional spacing supporting structure of bearing, be used for to limit a taper roll bearing 41 and the unidirectional axial displacement of No. two taper roll bearings 42 and the unidirectional axial force of bearing two roller bearings.
9. a kind of oil and gas pipes latus rectum pick-up unit as claimed in claim 6, it is characterized in that: designed double nut and loosened structure, the threaded engagement on No. four hexagonal nuts 36 and No. four hexagon thin nuts 37 and central shaft 32 tops, No. four hexagon thin nuts 37 are as the jack panel that is equipped with of double nuts structure, and are loosening to prevent No. four hexagonal nuts 36.
10. a kind of oil and gas pipes latus rectum pick-up unit as claimed in claim 6 is characterized in that: a taper roll bearing 41 and No. two taper roll bearings 42 adopt taper roll bearings to assembling structure.
11. a kind of oil and gas pipes latus rectum pick-up unit as claimed in claim 6 is characterized in that: shaft coupling 38 is spring coupling, to realize the resilient connection of central shaft 39 and motor 40 output shafts.
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| CN201310175091.8A CN103245381B (en) | 2013-04-28 | 2013-04-28 | A kind of oil and gas pipes latus rectum pick-up unit |
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| CN106855558A (en) * | 2015-12-09 | 2017-06-16 | 中国石油天然气股份有限公司 | Testing device for testing internal detection sensor |
| CN107378293A (en) * | 2017-08-17 | 2017-11-24 | 东莞市梅兴不锈钢钣金科技有限公司 | A kind of rotating disk detects welding fixture and the detection welding method to rotating disk with one heart |
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| CN115267071A (en) * | 2022-07-26 | 2022-11-01 | 南京市锅炉压力容器检验研究院 | Rotary type pipeline defect detection experiment platform and operation method thereof |
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| CN106855558A (en) * | 2015-12-09 | 2017-06-16 | 中国石油天然气股份有限公司 | Testing device for testing internal detection sensor |
| CN107378293A (en) * | 2017-08-17 | 2017-11-24 | 东莞市梅兴不锈钢钣金科技有限公司 | A kind of rotating disk detects welding fixture and the detection welding method to rotating disk with one heart |
| CN107843181A (en) * | 2017-10-27 | 2018-03-27 | 芜湖通和汽车管路***股份有限公司 | A kind of pipe fitting passes through amount detecting device |
| CN107843181B (en) * | 2017-10-27 | 2019-08-16 | 芜湖通和汽车管路***股份有限公司 | A kind of pipe fitting passes through amount detecting device |
| CN115267071A (en) * | 2022-07-26 | 2022-11-01 | 南京市锅炉压力容器检验研究院 | Rotary type pipeline defect detection experiment platform and operation method thereof |
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