CN115406334B - Optical cable pipeline laying deformation detection system - Google Patents
Optical cable pipeline laying deformation detection system Download PDFInfo
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- CN115406334B CN115406334B CN202211353585.6A CN202211353585A CN115406334B CN 115406334 B CN115406334 B CN 115406334B CN 202211353585 A CN202211353585 A CN 202211353585A CN 115406334 B CN115406334 B CN 115406334B
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/30—Measuring arrangements characterised by the use of mechanical techniques for measuring the deformation in a solid, e.g. mechanical strain gauge
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Abstract
The invention relates to the technical field of optical cable laying detection, in particular to an optical cable pipeline laying deformation detection system, which is characterized in that a data processing module, a reference ring and a detection arm are arranged, compared with the existing pipeline detection mode, an optical cable in a pipeline does not need to be taken out in the detection process, the detection arm, a spring and a base plate are arranged, whether the pipeline is deformed or not and the position where the deformation is obtained can be further analyzed and judged according to the pressure change of the base plate caused by the deformation of the spring, and the reference ring rotates while advancing by arranging a rotating shaft of a driving wheel to be inclined to the axial direction of the optical cable pipeline to drive each detection arm to synchronously rotate, so that the deformation detection can be comprehensively carried out on all parts of the inner wall of the pipeline without arranging a plurality of detection arms.
Description
Technical Field
The invention relates to the technical field of optical cable laying detection, in particular to an optical cable pipeline laying deformation detection system.
Background
Pipeline laying is the common mode of optical cable laying construction, because the deformation of pipeline can cause the influence to the optical cable transmission, consequently need detect the deformation degree of optical cable pipeline, to pipeline deformation detection, chinese patent CN111964636A discloses a method for utilizing pipeline deformation detection device to detect pipeline deformation, but the device need empty the pipeline when using, still just convenient to the oil gas pipeline, but to optical cable pipeline, it is very troublesome to wear to establish once more optical cable, consequently the device and method are not applicable to optical cable pipeline's deformation detection, need develop a mode that is more applicable to optical cable pipeline, can carry out pipeline deformation detection under the condition of not taking out the optical cable.
Disclosure of Invention
In view of this, an object of the present invention is to provide an optical cable pipeline laying deformation detection system, so as to solve the problem that it is difficult to perform pipeline deformation detection without taking out an optical cable in the prior art.
Based on the purpose, the invention provides an optical cable pipeline laying deformation detection system, which comprises a data processing module and a detection assembly, wherein the data processing module is used for processing the data;
the detection assembly comprises a reference ring with a hollow middle part for an optical cable or a sub-tube to pass through, a plurality of substrates and a plurality of detection arms are mounted on the reference ring, each substrate corresponds to each detection arm in a one-to-one manner, the detection arms are connected to the outer edge of the reference ring and are connected to the substrates through springs, a driving wheel is mounted at the end part of at least one detection arm, the rotating shaft of the driving wheel is inclined to the axial direction of the optical cable pipeline, a rotatable driven member is mounted at the end part of the other detection arm, a pressure sensor for detecting the pressure borne by the substrates is arranged on the substrates, the driving wheel is connected with a motor for driving the driving wheel to rotate, the motor is powered by a power supply, the power supply is mounted in the reference ring, and the detection assembly is used for sending the pressure value borne by each substrate and the position of the detection assembly in the optical cable pipeline, which are measured by the pressure sensor, to the data processing module;
the data processing module is used for analyzing whether the optical cable pipeline has deformation or not and outputting the deformation position according to the measured data of the movable part.
Preferably, each detection arm is arranged along the radial direction of the optical cable pipeline uniformly, and the number of the detection arms is at least three.
Preferably, each detection arm is sequentially arranged at preset intervals along the axial direction of the optical cable pipeline, the detection system further comprises a plurality of pipe joints, each pipe joint is respectively fixed at the end part of each section of optical cable pipeline, and the pipe joints are connected with power supply cables;
the connector comprises a pipe joint and a base, wherein a limiting ring is arranged in the pipe joint, an annular accommodating groove is formed in the limiting ring, a plurality of blocking pieces capable of moving along the radial direction of an optical cable pipeline are arranged in the accommodating groove, a fixed baffle is further arranged in the accommodating groove, the blocking pieces are connected with a pushing mechanism for driving the blocking pieces to move towards the axis side of the optical cable pipeline, an extensible and retractable charging connector is arranged in the pipe joint, and a charging interface is arranged on the reference ring;
the driving wheel is installed on the detection arm through a torsion spring and a rotating shaft, and the driven piece is a universal ball.
Through the aforesaid setting, move coupling department when detection module, the drive wheel can push away the piece and block in the storage tank under the effect of spring, because the drive wheel can continue to rotate, consequently can contact with the lateral wall of storage tank, effect through torsional spring and pivot, the deflection angle of drive wheel is bulldozed to parallel with the storage tank, later the drive wheel continues to rotate, it continues to rotate to drive the benchmark ring, until drive wheel and baffle contact, be blockked by the baffle, benchmark ring stall this moment, and because the baffle is fixed, therefore when benchmark ring stall, the relative angle of benchmark ring and coupling is definite, this moment through stretching out the joint that charges, insert in the interface that charges, can charge to the power in the benchmark ring, for example, the power can select for use the lithium cell, batteries such as lead-acid battery.
Preferably, the charging connector is connected with an electric push rod for driving the charging connector to extend out and retract, a press-contact switch is arranged on the baffle, and when the press-contact switch is pressed down, the electric push rod is started to retract the charging connector.
Preferably, a microswitch is mounted on the driving wheel, and when the microswitch detects that the driving wheel deflects, the motor is stopped in a delayed manner.
Preferably, the charging connector is a round plug, and a rubber bending part is connected between the electric push rod and the round plug.
Preferably, the blocking piece is provided in a sector ring shape, and the blocking pieces are spliced to form a ring shape.
Preferably, a data interface is further arranged on the reference ring, an extendable and retractable data connector is further arranged in the pipe connector, and the data processing module is connected with the pipe connector through a communication cable.
Preferably, each pipe joint is used as a node to form a communication network and is in communication connection with the data processing module.
Preferably, the number of the detection assemblies is multiple, a control module is arranged in the detection assemblies, and the control module controls the motor to rotate reversely when judging that the detection assemblies are abnormal.
The invention has the beneficial effects that: compared with the existing pipeline detection mode, the optical cable in the pipeline does not need to be taken out in the detection process, the detection arm, the spring and the base plate are arranged, whether the pipeline is deformed or not and the position of the deformation can be further analyzed and judged according to the pressure change of the base plate caused by the deformation of the spring, the reference ring rotates while advancing by arranging the rotating shaft of the driving wheel to be inclined to the axial direction of the optical cable pipeline, and the detection arms are driven to synchronously rotate, so that the deformation detection can be comprehensively carried out on all parts of the inner wall of the pipeline without arranging a plurality of detection arms.
Drawings
In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a detecting assembly according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a detecting assembly and a pipe joint according to an embodiment of the invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 according to an embodiment of the present invention;
FIG. 4 is a schematic view of the radial distribution of the detection arms of the embodiment of the present invention in the pipeline;
fig. 5 is a schematic view of a receiving groove structure according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a charging connector according to an embodiment of the present invention.
Labeled as:
1. a reference ring; 11. a charging interface; 2. a substrate; 3. a detection arm; 4. a drive wheel; 41. a motor; 42. a spring; 5. a driven member; 6. a pipe joint; 61. a limiting ring; 62. a containing groove; 63. a baffle plate; 631. a press-touch switch; 64. a pushing mechanism; 65. a charging connector; 651. a rubber bending part; 66. an electric push rod; 67. a blocking member; 101. and (4) a sub-pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to specific embodiments below.
It is to be noted that technical terms or scientific terms used herein should have the ordinary meaning as understood by those having ordinary skill in the art to which the present invention belongs, unless otherwise defined. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
As shown in fig. 1, fig. 2 and fig. 3, an embodiment of the present disclosure provides an optical cable pipeline laying deformation detection system, which includes a data processing module and a detection assembly, where the detection assembly includes a reference ring 1 with a hollow middle portion, the hollow portion of the reference ring 1 is used for penetrating an optical cable or a sub-pipe, stability when the reference ring 1 moves is considered, the sub-pipe is preferred, a plurality of substrates 2 and a plurality of detection arms 3 are installed on the reference ring 1, each substrate 2 and each detection arm 3 correspond to each other one by one, the detection arms 3 are connected to an outer edge of the reference ring 1 and are connected to the substrate 2 through springs 42, driving wheels 4 are installed at ends of the detection arms 3, a rotation shaft of the driving wheels 4 is inclined to an axial direction of the optical cable pipeline, rotatable followers 5 are installed at ends of other detection arms 3, pressure sensors for detecting pressure borne by the substrate 2 are installed on the substrate 2, the driving wheels 4 are connected to a motor 41 for driving the rotation of the driving wheels, the motor 41 is powered by a power supply, the power supply is installed in the reference ring 1, the detection assembly is used for sending the position of each substrate 2 and the detection assembly in the optical cable pipeline, whether data processing module or not is used for analyzing data processing data, and for detecting the position of the optical cable pipeline, and for detecting displacement data, and for detecting whether there is located according to the displacement of the optical cable pipeline.
When the detection device is used, the detection assembly is located inside an optical cable pipeline, the middle of a reference ring 1 in the detection assembly is hollow, an optical cable or a sub-pipe can penetrate through the hollow, so that when deformation of the optical cable pipeline is detected, the optical cable does not need to be taken out of the pipeline integrally, implementation of a detection process is greatly facilitated, work efficiency is improved, the detection arm 3 is connected with a substrate 2 through a spring 42, the elastic force of the spring 42 can push the detection arm 3 to the inner wall of the optical cable pipeline, the support force can enable the detection assembly to basically keep the center of the optical cable pipeline, when detection work starts, a motor 41 is started to drive a driving wheel 4 to rotate, a rotating shaft of the driving wheel 4 is inclined to the axial direction of the optical cable pipeline, a roller can drive the detection assembly to axially move along the optical cable pipeline while rotating, the roller can drive the whole reference ring 1 to rotate, under the rotation action of the reference ring 1, each detection arm 3 can comprehensively detect deformation of each part of the optical cable pipeline, the spring 42 is arranged, the substrate 2 and the detection arm 3, when deformation of the optical cable pipeline exists, and the length of one or more, and whether the pressure value of the optical cable or the optical cable pipeline is changed, and whether the pressure sensor is detected, and whether the pressure value of the optical cable pipeline is changed or the optical cable pipeline is shortened.
Compared with the existing pipeline detection mode, the optical cable in the pipeline does not need to be taken out in the detection process, the detection arm 3, the spring 42 and the substrate 2 are arranged, whether the pipeline is deformed or not and the position where the deformation is caused can be further analyzed and judged according to the pressure change of the substrate 2 caused by the deformation of the spring 42, the reference ring 1 rotates while advancing by arranging the rotating shaft of the driving wheel 4 to be inclined to the axial direction of the optical cable pipeline, the detection arms 3 are driven to rotate synchronously, and therefore deformation detection can be comprehensively carried out on all parts of the inner wall of the pipeline without arranging a plurality of detection arms 3.
As an embodiment, each detecting arm 3 is uniformly arranged along the radial direction of the cable duct, as shown in fig. 4, the number of the detecting arms 3 is at least three, so as to improve the stability of the reference ring 1 during moving and rotating.
As an embodiment, the detection arms 3 are sequentially arranged at preset intervals along the axial direction of the optical cable pipeline, the moving track of each detection arm 3 can be further staggered, and the detection surface is enlarged, considering that the power supply needs to be arranged in the reference ring 1, the size of the battery is inevitably influenced, therefore, if the optical cable pipeline is long, the electric quantity of the detection assembly is likely to be insufficient to support the detection assembly to move from one end of the pipeline to the other end, and the detection system further comprises a plurality of pipe joints 6, each pipe joint 6 is respectively fixed at the end part of each optical cable pipeline, the pipe joint 6 is connected with a power supply cable, a limit ring 61 is arranged in the pipe joint 6, an annular accommodating groove 62 is formed in the limit ring 61, a plurality of blocking pieces 67 and fixed blocking pieces 63 capable of moving along the radial direction of the optical cable pipeline are arranged in the accommodating groove 62, as shown in fig. 5, the blocking pieces 67 are connected with a pushing mechanism 64 for driving the blocking pieces to move towards the axial center side of the optical cable pipeline, an extendable and retractable charging joint 65 is arranged in the pipe joint 6, the reference ring 1 is provided with a charging interface 11, the detection arms 4 are arranged on the detection arms 3 through torsion springs and the driven pieces 5 are universal balls.
With the above arrangement, when the detection assembly moves to the pipe joint 6, the driving wheel 4 pushes the stopper 67 under the action of the spring 42 and is clamped into the accommodating groove 62, the driving wheel 4 continues to rotate and is therefore in contact with the side wall of the accommodating groove 62, the deflection angle of the driving wheel 4 is pushed to be parallel to the accommodating groove 62 under the action of the torsion spring and the rotating shaft, then the driving wheel 4 continues to rotate and drives the reference ring 1 to continue to rotate until the driving wheel 4 is in contact with the baffle 63 and is stopped by the baffle 63, at this time, the reference ring 1 stops rotating, and when the reference ring 1 stops rotating, the relative angle between the reference ring 1 and the pipe joint 6 is determined, at this time, the power supply in the reference ring 1 can be charged by extending out of the charging joint 65 and being inserted into the charging interface 11, for example, the power supply can be a storage battery such as a lithium battery and a lead-acid battery.
It should be noted that, in use, when the driving wheel 4 is embedded in the receiving groove 62, the pressure applied by the spring 42 to the corresponding substrate 2 changes, so the data processing module needs to integrate the position information of the reference ring 1, when the reference ring 1 reaches the pipe joint 6, the pressure change value is ignored, after the charging is completed, the pushing mechanism 64 pushes the blocking piece 67 outwards, and further pushes the driving wheel 4 out of the receiving groove 62, the driving wheel 4 recovers the initial deflection angle, and continues to drive the reference ring 1 to rotate while moving, so as to avoid other driving wheels 4 or the driven piece 5 entering the receiving groove 62, the pushing mechanism 64 needs to continuously work for a certain time until the reference ring 1 leaves the pipe joint 6, and the detection arm 3 where one driving wheel 4 is located should be arranged at the forefront end of the advancing direction of the reference ring 1, for example, the pushing mechanism 64 may adopt a push rod structure, the existing driving manner such as a rack-and pinion structure of the motor 41, and the charging time is not limited specifically, the charging time can be set by timing or by detecting the electric quantity of the electric power, and, if the electric quantity of the electric power supply is sufficient, the blocking piece 67 can also be pushed directly by the pushing mechanism 64, so that the blocking piece 67 will not be pressed down by the driving wheel 4.
As an embodiment, the charging connector 65 is connected with an electric push rod 66 for driving the charging connector to extend and retract, a press contact switch 631 is arranged on the baffle 63, and when the press contact switch 631 is pressed down, the electric push rod 66 is started to retract the charging connector 65, for example, the press contact switch 631 starts the electric push rod 66 by using relay driving, through the above arrangement, when the driving wheel 4 is blocked by the baffle 63, the charging connector 65 can automatically extend to charge, so that the automation degree of the system is improved, and the system is more convenient to use.
In order to avoid that drive wheel 4, follower 5 are influenced by the charging plug when removing, can set up the one-way apron of opening in charging plug department, the joint that charges 65 backs down the apron and can have the interface 11 connection that charges.
For example, the blocking member 67 may be provided in a plurality and in a fan-shaped ring, and the blocking members 67 are spliced to form a ring shape, so that the blocking members 67 can move.
As an embodiment, a micro switch is installed on the driving wheel 4, when the micro switch detects deviation of the driving wheel 4, the motor 41 is stopped by delaying a preset time, the delay is set to ensure that the driving wheel 4 can move to the baffle 63, after the motor 41 stops working, the reference ring 1 will not vibrate, and energy can be saved, similarly, the electric push rod 66 can also set a delay to ensure that the motor 41 is in a stopped state when the charging connector 65 is inserted into the charging interface 11, and when the pushing mechanism 64 pushes the blocking piece 67 back, the micro switch returns to the initial state, and the motor 41 restarts working.
As an embodiment, still be provided with data interface on the benchmark ring 1, still be provided with the data connection that can stretch out and withdraw in the coupling 6, data processing module pass through communication cable with coupling 6 is connected, the working method of data connection is similar with the joint 65 that charges, no longer give unnecessary details in the description, through setting up the data connection, need not to wait for the detection subassembly to accomplish the detection of whole pipeline, and because the pipeline distance is general longer, it is also not good to transmit data effect through wireless mode, after carrying out data transmission at every turn, can rectify detection subassembly and displacement data or location data, obtain more accurate testing result.
As an embodiment, the number of the detection assemblies is multiple, a control module is arranged in the detection assemblies, and when the control module determines that the detection assemblies are abnormal, the control module controls the motor 41 to rotate reversely, where the abnormality refers to that the pipeline is deformed seriously, which causes the detection assemblies to fail to pass, for example, a micro switch is triggered at a position other than the pipe joint 6, or the value of the pressure sensor exceeds a set threshold, and the motor 41 returns to the position of the previous pipe joint 6 after rotating reversely, and performs data butt joint through reciprocating movement, so as to smoothly send detection data, and the purpose of arranging the multiple detection assemblies is to be able to relay the completion of pipeline detection.
In one embodiment, each pipe joint 6 forms a communication network as a node and is connected to the data processing module in a communication manner, that is, the data processing module only needs to be connected to one of the pipe joints 6, and the above-mentioned communication connection component is the data processing module in the pipe joint 6.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to those examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
The present invention is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalents, improvements, and the like that may be made without departing from the spirit or scope of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The optical cable pipeline laying deformation detection system is characterized by comprising a data processing module and a detection assembly;
the detection assembly comprises a reference ring (1) with a hollow middle part for an optical cable or a sub-tube to pass through, a plurality of substrates (2) and a plurality of detection arms (3) are mounted on the reference ring (1), each substrate (2) corresponds to each detection arm (3) one by one, the detection arms (3) are connected to the outer edge of the reference ring (1) and connected to the substrates (2) through springs (42), a driving wheel (4) is mounted at the end part of at least one detection arm (3), the rotating shaft of the driving wheel (4) is inclined to the axial direction of the optical cable pipeline, a rotatable driven part (5) is mounted at the end part of other detection arms (3), a pressure sensor for detecting the pressure borne by the substrates (2) is arranged on the substrates (2), the driving wheel (4) is connected with a motor (41) for driving the driving wheel to rotate, the motor (41) is powered by a power supply, the power supply is mounted in the reference ring (1), and the detection assembly is used for sending the pressure value of each substrate (2) measured by the pressure sensor and the position of the detection assembly in the optical cable pipeline to the data processing module;
the data processing module is used for analyzing whether the optical cable pipeline has deformation or not and outputting the deformation position according to the measured data of the movable part;
the detection arms (3) are sequentially arranged at preset intervals along the axial direction of the optical cable pipeline, the detection system further comprises a plurality of pipe joints (6), each pipe joint (6) is respectively fixed at the end part of each section of optical cable pipeline, and the pipe joints (6) are connected with power supply cables;
a limiting ring (61) is arranged in the pipe joint (6), an annular accommodating groove (62) is formed in the limiting ring (61), a plurality of blocking pieces (67) capable of moving along the radial direction of the optical cable pipeline are installed in the accommodating groove (62), a fixed baffle (63) is further arranged in the accommodating groove (62), the blocking pieces (67) are connected with a pushing mechanism (64) driving the blocking pieces to move towards the axis side of the optical cable pipeline, a charging joint (65) capable of extending out and retracting is arranged in the pipe joint (6), and a charging interface (11) is arranged on the reference ring (1);
the driving wheel (4) is installed on the detection arm (3) through a torsion spring and a rotating shaft, and the driven piece (5) is a universal ball.
2. The optical cable pipeline laying deformation detection system according to claim 1, wherein each detection arm (3) is uniformly distributed along the radial direction of the optical cable pipeline, and the number of the detection arms (3) is at least three.
3. The optical cable pipeline laying deformation detection system according to claim 1, wherein the charging connector (65) is connected with an electric push rod (66) for driving the charging connector to extend and retract, a pressure contact switch (631) is arranged on the baffle (63), and when the pressure contact switch (631) is pressed down, the electric push rod (66) is started to retract the charging connector (65).
4. Optical cable pipelaying deformation detection system according to claim 3, characterized in that a microswitch is mounted on the driving wheel (4), said microswitch delaying the stopping of the motor (41) when it detects a deflection of the driving wheel (4).
5. The optical cable pipeline laying deformation detection system according to claim 3, wherein the charging connector (65) is configured as a round plug, and a rubber bending part (651) is connected between the electric push rod (66) and the round plug.
6. Optical cable pipelaying deformation detection system according to claim 1, characterized in that said blocking members (67) are provided in a fan-ring shape, each of said blocking members (67) being spliced to form a ring shape.
7. The optical cable pipelaying deformation detection system according to claim 1, wherein a data interface is further provided on the reference ring (1), an extendable and retractable data connector is further provided in the pipe joint (6), and the data processing module is connected with the pipe joint (6) through a communication cable.
8. The optical cable pipeline laying deformation detection system according to claim 7, wherein each of the pipe joints (6) is respectively used as a node to form a communication network and is in communication connection with the data processing module.
9. The optical cable pipeline laying deformation detection system according to claim 1, wherein the detection assembly is provided in plurality, a control module is provided in the detection assembly, and the control module controls the motor (41) to rotate reversely when judging that the detection assembly is abnormal.
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| CN202211353585.6A CN115406334B (en) | 2022-11-01 | 2022-11-01 | Optical cable pipeline laying deformation detection system |
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| CN115898373B (en) * | 2023-02-22 | 2023-05-23 | 南通市飞宇石油科技开发有限公司 | Intelligent penetration monitoring equipment for drilling riser |
| CN116518835B (en) * | 2023-07-03 | 2023-08-25 | 太原市水利勘测设计院 | Water conservancy pipeline facilities deformation check out test set |
| CN116577894B (en) * | 2023-07-14 | 2023-09-12 | 中铁二十三局集团有限公司 | Device and method for shaping and repairing optical cable air blowing pipeline |
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| WO2022128969A1 (en) * | 2020-12-17 | 2022-06-23 | Electricite De France | Device for measuring mechanical play in a hydraulic system |
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