CN112945124B - Comprehensive detection testing machine for detecting performance of detector in pipeline - Google Patents
Comprehensive detection testing machine for detecting performance of detector in pipeline Download PDFInfo
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- CN112945124B CN112945124B CN202110322901.2A CN202110322901A CN112945124B CN 112945124 B CN112945124 B CN 112945124B CN 202110322901 A CN202110322901 A CN 202110322901A CN 112945124 B CN112945124 B CN 112945124B
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- 238000012360 testing method Methods 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 title claims abstract description 12
- 238000012544 monitoring process Methods 0.000 claims abstract description 26
- 238000004088 simulation Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
A comprehensive detection testing machine for detecting the performance of a detector in a pipeline relates to the field of detectors in pipelines. The testing machine comprises a simulated pipeline component, and a tractor, a tension sensor, a 3D elbow pipe wall supporting device, an in-pipeline detector, a tension monitoring system, a pipeline stress monitoring system and an image monitoring system which are sequentially connected together, wherein the testing machine utilizes the 3D elbow pipe wall supporting device to prevent rotation force generated in the traction process and ensure that the traction force is applied to the center of the in-pipeline detector; monitoring whether the detector in the pipeline can cause passing obstacle due to pipeline deformation by using a deformation piece arranged in the straight-through pipeline, and comprehensively monitoring the tension condition of the detector in the pipeline by using a tension sensor; analyzing stress concentration points of the detector in the pipeline through a stress monitoring system; the deformation state of the detector in the pipeline is obtained in real time through the deformation image monitoring system, and the testing machine has the advantages of simple structure, convenience and easiness in operation.
Description
Technical Field
The invention relates to the field of detectors in pipelines, in particular to a comprehensive detection testing machine for detecting the performance of the detectors in the pipelines.
Background
The pipeline internal detection technology is mainly applied to the corrosion detection of the interior of the pressure pipeline, the service life of the pipeline in early stage of China has reached more than 40 years, the pipeline internal detection can be realized through the pipeline internal detector, the potential safety hazard is prevented and reduced in advance, and unnecessary loss is reduced. At present, the detector in the pipeline mainly adopts a plurality of detectors such as a magnetic flux leakage detector, an ultrasonic detector, an intelligent diameter measurement detector and the like, and the detector can effectively detect the defects in the pipeline, but the defects exist at the same time, for example, once the detector is blocked, the operation of the pipeline is influenced, even most of the pipeline is blocked, and the maintenance and pipe replacement cost is high. At present, no testing machine for comprehensively detecting the performance of the detector in the pipeline exists in China, and the testing machine is used for testing the running condition and the passing capacity of the detector in the pipeline.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a comprehensive detection testing machine for detecting the performance of a detector in a pipeline.
The invention adopts the technical scheme that: the utility model provides a detect comprehensive detection testing machine of detector performance in pipeline, its technical essential is, including simulation pipeline subassembly, tractor, first support mount, pipeline detector, tension sensor and 3D elbow pipe wall strutting arrangement, simulation pipeline subassembly include straight-through pipeline and the 3D elbow pipeline that is connected with straight-through pipeline, wherein straight-through pipeline is connected with first support mount, the tractor utilizes the tractor strengthening frame to install on first support mount, the tractor utilize wire rope to be connected with tension sensor, 3D elbow pipe wall strutting arrangement in proper order, 3D elbow pipe wall strutting arrangement utilize the universal wheel to be connected with pipeline detector and make the motion of pipeline detector keep not deviating in the pipeline center all the time in the pipeline center, pipeline detector walks in simulation pipeline subassembly under the traction force effect of tractor, monitor the size of the resistance that the pipeline detector bore in the pipeline with tension sensor, still connect wireless camera and rechargeable wireless camera on the pipeline detector and be used for gathering the state of pipeline detector and monitor, still bond the stress concentration piece that is used for detecting pipeline stress midpoint at 3D elbow pipeline outer wall.
In the scheme, the device further comprises a receiving tray, wherein the receiving tray is detachably arranged at the inlet of the pipeline or the outlet of the pipeline.
In the scheme, the deformation piece is oppositely arranged on the inner wall of the straight-through pipeline and consists of the fixing bolt and the deformation wedge block, and the fixing bolt passes through the limiting hole on the straight-through pipeline and then is fixed by the pressing screw.
In the scheme, the strain gauge is adhered to the outer wall of the 3D elbow pipeline.
In the scheme, the 3D elbow pipeline is also provided with an observation window for observing the state of the detector in the pipeline passing through the 3D elbow pipeline.
In the scheme, the straight-through pipeline and the 3D elbow pipeline are fixedly connected through the flange and the flange bolts.
The invention has the beneficial effects that: the comprehensive detection testing machine for detecting the performance of the detector in the pipeline comprises a simulated pipeline component, and a tractor, a tension sensor, a 3D elbow pipe wall supporting device, the detector in the pipeline, a tension monitoring system, a pipeline stress monitoring system and an image monitoring system which are sequentially connected together, wherein the testing machine utilizes the 3D elbow pipe wall supporting structure to prevent the rotation force generated in the traction process and ensure that the traction force is applied to the center of the detector in the pipeline; the deformation piece arranged in the straight-through pipeline can be used for flexibly monitoring whether the detector in the pipeline can cause passing obstacle due to the problem of pipeline deformation, and the tension condition of the detector in the pipeline is comprehensively monitored through the tension sensor; analyzing stress concentration points of the detector in the pipeline through a stress monitoring system; through deformation image monitored control system, the deformation state and the structural performance of detector in the real-time observation pipeline, this tester has simple structure, convenient, easy advantage of operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic and simplified schematic illustration of a front view of an embodiment of the present invention;
FIG. 2 is a schematic block diagram of a partial structure of an embodiment of the present invention;
FIG. 3 is a schematic block diagram of a partial structure B in an embodiment of the present invention;
FIG. 4 is a schematic view of a deforming member according to an embodiment of the present invention;
The numbers in the figures are illustrated as follows: the device comprises a tractor 1, a force controller 2, a tractor reinforcing frame 3, a first supporting fixing frame 4, a receiving tray 5, a steel wire rope 6, a pipeline flange 7, a second supporting fixing frame 8, a flange connecting bolt 9, a straight pipeline 10, a pipeline connecting bolt 11, a 123D elbow pipeline, a tension sensor 13, a 14 observation window, a 15 detachable unhooking prevention hook, a 163D elbow pipe wall supporting device, a 17 wireless camera, an 18 pipeline inner detector, a 19 charging wireless camera, a 20 fixing bolt, a 21 compression nut, a 22 limiting hole, a 23 deformation piece, a 24 reinforcing pressing plate, a 25 strain gauge, a 26 locking clamp spring and a 27 deformation wedge.
Detailed Description
The foregoing objects, features, and advantages of the invention will be more readily apparent from the following detailed description of the invention taken in conjunction with the accompanying drawings, figures 1-4, and detailed description of the invention.
The comprehensive detection testing machine for detecting the performance of the detector in the pipeline comprises a simulation pipeline component, a tractor 1, a first support fixing frame 4, the detector 18 in the pipeline, a tension sensor 13 and a 3D elbow pipe wall supporting device 16, wherein the simulation pipeline component comprises a straight-through pipeline 10 and two 3D elbow pipelines 12, and the straight-through pipelines 10 are fixedly connected by using flanges and flange connecting bolts 9. The connected straight-through pipeline 10 is connected with the 3D elbow pipelines 12 by using the flange and the flange connecting bolts 9, and the two 3D elbow pipelines 12 are connected by the pipeline connecting bolts 11. The 3D elbow pipe 12 in this embodiment is formed by combining two semicircular pipes and using bolts to secure them together, because the detachable elbow pipe is provided at the 3D elbow, considering that damage may occur when the detector 18 passes through the 3D elbow pipe 12 in the pipe, resulting in the inability to pull out the pipe. In this embodiment, 4 limiting holes 22 are provided at the inlet end of the straight-through pipe 10 for limiting the deformation member 23. A viewing window 14 is provided in the 3D elbow conduit 12 for monitoring an in-conduit detector 18.
The present embodiment utilizes a simulated pipe assembly to simulate a real pipe condition. The inlet of the through pipe 10 is connected to the first support bracket 4 by means of a pipe flange 7, and the tractor reinforcement bracket 3 is fastened to the first support bracket 4 together with the tractor 1. The dead fixing of the first support fixing frame 4 on the ground by using the foundation bolts, the second support fixing frame 8 is connected to the outside of the straight-through pipeline 10, the second fixing support frame 8 is fixed on the corresponding ground according to the lengths of the straight-through pipeline 10 and the 3D elbow pipeline 12 and the position of the flange surface, the ground level with the first fixing support frame 4 is ensured, and meanwhile, the straight-through pipeline 10 is firmly fixed on the second support fixing frame 8 by using the dead locking clamp spring 26. The reinforced pressing plate 24 is arranged on the outer wall of the straight-through pipeline 10 to protect the straight-through pipeline 10 and prevent the straight-through pipeline 10 from deforming due to the action of shearing force, and the clamping of the simulation pipeline frame is finished.
The tractor 1 is connected with a force controller 2, and the magnitude of the output force of the tractor 1 is controlled by the force controller 2. The tractor 1 is connected with the tension sensor 13 and the detachable anti-unhooking hook 15 on one side of the 3D elbow pipe wall supporting device 16 by using the steel wire rope 6, the 3D elbow pipe wall supporting device 16 is connected with the in-pipeline detector 18 by using the universal wheel, wherein the universal wheel can prevent the in-pipeline detector 18 from generating a rotating force, and the traction force applied by the tractor 1 to the in-pipeline detector 18 is ensured to be always kept at the center of the pipeline. The 3D elbow pipe wall supporting device 16 is made of a rubber material with certain hardness and wear resistance. The in-line detector 18 can walk in the simulated pipe assembly under the traction force of the tractor 1.
The tractor 1 of the embodiment is connected with a tension sensor 13 by using a steel wire rope 6, wherein the tension sensor 13 is connected with a tension controller, the tension sensor 13 and the tension controller form a tension monitoring system, and the tension controller mainly adopts a control acquisition board to control a motor of the tractor. The magnitude of the resistance borne by the in-pipeline detector 18 in the pipeline is monitored by monitoring the tension signal fed back by the tension sensor 13, so that the maximum tension value borne by the in-pipeline detector 18 in the pipeline is monitored, and the stress performance of the in-pipeline detector 18 can be analyzed. The pressure of the pipeline can be calculated through the traction force, and when the traction force is larger than the thrust force generated by the maximum working pressure of the pipeline, the detector can be considered to be out of compliance with the standard requirement; and meanwhile, if the detector fails in the traction process, the maximum pressure which can be born by the detector can be calculated.
In this embodiment, a chargeable wireless camera is installed at the tail of the 3D elbow pipe wall supporting device 16, a wireless camera 17 and a chargeable wireless camera 19 are installed on the in-pipe detector 18, and the video monitor, the wireless camera 17 and the chargeable wireless camera 19 can perform real-time image acquisition monitoring on deformation states of parts such as a leather cup, a magnet brush, a mileage wheel and the like when the in-pipe detector 18 walks in a pipe, and transmit acquired data to an image controller. In this embodiment, the video monitor, the wireless camera 17, the rechargeable wireless camera 19 and the image controller together form an image monitoring system.
Since the axial force, the shearing force and the friction force applied to the in-pipe detector 18 when the in-pipe detector 18 is pulled slowly through the 3D elbow pipe 12 by the tractor 1 are the greatest, and the influence on the in-pipe detector 18 and the pipe itself is the greatest, in this embodiment, the strain gauge 25 is uniformly adhered to the outer wall of the 3D elbow pipe 12, the strain gauge 25 is connected with the stress controller, and in this embodiment, the strain gauge 25 and the stress controller together form a pipe stress monitoring system, wherein the model of the stress controller is NI 9237 in the united states. When the in-pipeline detector passes through the 3D elbow pipeline 12, obvious stress changes can occur in the pipeline, and the stress changes of each strain point are recorded in real time through the pipeline stress monitoring system, so that the stress concentration points generated when the in-pipeline detector 18 passes through the pipeline can be determined, and the position with the largest stress of the pipeline can be judged. Meanwhile, the stress generated by the inner detector when the inner detector passes through the pipeline can be analyzed, and the pressure caused by the pipeline pressure can be combined to simulate and analyze whether the stress born by the pipeline body exceeds allowable stress when the pipeline is internally detected in the use process.
The present embodiment also enables testing whether the in-line detector can pass through successfully in a deformed pipe. The present embodiment provides strain gauges 25 at a distance of 50CM from the outlet of the straight-through pipe 10. The user can set the deformation amount of the deforming member 23 as desired. This embodiment will be described by taking the case where the deformation amount is 15% of the inner diameter of the pipe. The deformation piece 23 in this embodiment is installed on the inner wall of the through pipe 10, and is disposed opposite to the inner wall, and the deformation piece 23 includes a fixing bolt 20 and a deformation wedge 27 connected together, wherein the fixing bolt 20 passes through a limiting hole 22 on the through pipe 10 and is fixed by a pressing screw cap 21. In the actual test process, the deformation piece 23 is made of the same material as the pipeline, and the radian, length and height of the deformation piece 23 are calculated according to the requirement on the deformation of the detector in the pipeline so as to ensure perfect combination of the deformation piece and the pipeline wall.
The process of analyzing the performance of the in-pipe detector using the apparatus of this embodiment is as follows:
Firstly, starting a tractor, then controlling the tractor to send a steel wire rope to an inlet from a pipeline outlet by a force controller, placing a detector in the pipeline on a receiving tray, connecting a 3D elbow pipeline wall supporting device with the steel wire rope at the pipeline inlet, then installing a wireless camera and a charging wireless camera at the tail part of the 3D elbow pipeline wall supporting device, connecting the wireless camera and the charging wireless camera with a deformation image monitoring system, installing a tension sensor at the near end of the detector in the pipeline, connecting the tension sensor with the tension monitoring system, finally adhering a strain gauge on the outer wall of the 3D pipeline, connecting the strain gauge with the stress monitoring system, installing a deformation piece device at a position 50CM away from the inlet, basically preparing for rotation by the force controller before the process test is completed, pulling the detector in the pipeline, recording the tension of the detector in each stage in real time at the tension control system, capturing the deformation condition of the detector in the pipeline in real time at the deformation image monitoring system, recording the stress concentration point at the stress monitoring system, intuitively observing the position of the detector in the pipeline, detaching the pipeline, and finally detaching the strain sensor from the pipeline wall supporting device when the pipeline is more visually observed, and finally detaching the strain gauge from the pipeline supporting device through the tension sensor, when the tension sensor is detached from the pipeline supporting device, and finally detaching the pipeline supporting device when the pipeline is pulled out, and the pipeline supporting device is slowly, and the pipeline supporting the device is pulled.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. The comprehensive detection testing machine for detecting the performance of the detector in the pipeline is characterized by comprising a simulation pipeline component, a tractor, a first support fixing frame, the detector in the pipeline, a tension sensor and a 3D elbow pipe wall supporting device, wherein the simulation pipeline component comprises a straight pipeline and a 3D elbow pipeline connected with the straight pipeline, the straight pipeline is connected with the first support fixing frame, the tractor is arranged on the first support fixing frame by using the tractor reinforcing frame, the tractor is sequentially connected with the tension sensor and the 3D elbow pipe wall supporting device by using a steel wire rope, the 3D elbow pipe wall supporting device is connected with the detector in the pipeline by using a universal wheel and keeps the movement of the detector in the pipeline unchanged at the center of the pipeline all the time, the detector in the pipeline walks in the simulation pipeline component under the traction force of the tractor, the tension sensor is used for monitoring the resistance borne by the detector in the pipeline, the detector in the pipeline is also connected with a wireless camera and a charging wireless camera for collecting the state of the detector in the pipeline for monitoring, and a stress concentration sheet for detecting the stress midpoint of the pipeline is also bonded on the outer wall of the 3D elbow pipeline;
The device also comprises a receiving tray, wherein the receiving tray is detachably arranged at the inlet of the pipeline or at the outlet of the pipeline;
The deformation piece is oppositely arranged on the inner wall of the straight-through pipeline and consists of a fixing bolt and a deformation wedge block, and the fixing bolt passes through a limit hole on the straight-through pipeline and is then fixed by a pressing screw;
the deformation piece is used for changing the inner diameter of the pipeline to 15% or 37% of the inner diameter of the pipeline.
2. The comprehensive testing machine for detecting the performance of the detector in the pipeline according to claim 1, wherein the strain gauge is further adhered to the outer wall of the 3D elbow pipeline.
3. The comprehensive testing machine for detecting the performance of the in-pipeline detector according to claim 2, wherein an observation window for checking the state of the in-pipeline detector passing through the 3D elbow pipeline is further arranged on the 3D elbow pipeline.
4. The integrated test machine for detecting the performance of an in-pipeline detector according to claim 1, wherein the straight pipeline and the 3D elbow pipeline are fixedly connected through flanges and flange bolts.
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| CN202110322901.2A CN112945124B (en) | 2021-03-26 | 2021-03-26 | Comprehensive detection testing machine for detecting performance of detector in pipeline |
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| CN202110322901.2A CN112945124B (en) | 2021-03-26 | 2021-03-26 | Comprehensive detection testing machine for detecting performance of detector in pipeline |
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| CN113882891A (en) * | 2021-09-08 | 2022-01-04 | 江苏瑞沃建设集团有限公司 | Urban tunnel ventilation test device and manufacturing method thereof |
| CN114166395A (en) * | 2021-12-03 | 2022-03-11 | 中国原子能科学研究院 | Fault monitoring device and method |
| CN115930891B (en) * | 2022-12-26 | 2023-08-25 | 浙江海普管业有限公司 | Device for detecting deformation of PVC drain pipe |
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