CN113514613B - Tunnel pipeline damage detection device - Google Patents
Tunnel pipeline damage detection device Download PDFInfo
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- CN113514613B CN113514613B CN202110779063.1A CN202110779063A CN113514613B CN 113514613 B CN113514613 B CN 113514613B CN 202110779063 A CN202110779063 A CN 202110779063A CN 113514613 B CN113514613 B CN 113514613B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
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Abstract
The invention relates to a tunnel pipeline damage detection device. The detection device comprises a holding member, a detection mechanism, a controller, a positioning mechanism and a propping mechanism; the positioning mechanism is provided with a positioning part and an adjusting part respectively, the positioning part and the adjusting part are arranged at intervals relatively, the positioning mechanism is provided with an accommodating cavity, and the bottom surface of the positioning mechanism is formed into a curved surface matched with the pipeline; one end of the holding piece is connected to the positioning part, the other end of the holding piece is wound along the circumferential direction of the pipeline and then connected to the adjusting part, and the holding piece is further provided with an adjusting part; the detection mechanism is arranged in the accommodating cavity, the abutting mechanism is connected to the positioning mechanism, and the movable end of the abutting mechanism abuts against the top surface of the detection mechanism. Therefore, the detection mechanism can be stably attached to the pipeline, the accuracy of the flaw detection result is ensured, so that constructors can conveniently take timely and effective measures to maintain the pipeline according to the flaw detection result, and the problem of inaccurate detection result in the prior art is solved.
Description
Technical Field
The invention relates to the field of tunnel pipeline detection, in particular to a tunnel pipeline damage detection device.
Background
Along with the acceleration of the urbanization construction process, more and more big mountains construct tunnels, so that mountainous areas can be effectively connected with towns, the passing time is shortened, and the construction and the communication of economic culture are facilitated. However, as the tunnel is used for a longer time, more and more problems are gradually exposed, and the problem of water leakage of the pipeline is solved for the first time.
Since groundwater contains a large amount of ions, e.g. calcium ions (Ca)2+) Magnesium ion (Mg)2+) Sodium ion (Na +), potassium ion (K +), carbonate ion (CO)3 2-) Bicarbonate ion (HCO)3 -) Sulfate ion (SO)4 2-) And chloride ion (Cl-), which has a tendency to crystallize and is liable to physically precipitate or chemically precipitate crystals in the pipe, and gradually form solid crystals to clog the pipeThe tunnel drainage pipe even makes the whole tunnel drainage system nearly paralyzed. Meanwhile, under a certain temperature environment, carbon dioxide (CO) in water2) Carbonate ion (CO)3 2-) And bicarbonate ion (HCO)3 -) There is also a certain balance: CO 22+H2O→H2CO3，H2CO3→H++HCO3 -，HCO3 -→H++CO3 2-. Therefore, when the carbon dioxide in the water increases, the pH value of the water decreases, the corrosivity of the water is enhanced, the pipeline may have problems such as corrosion holes or corrosion spots, the pipeline becomes fragile, and in a serious case, the pipeline may even be corroded through, the water leakage of the pipeline occurs, and the safety of the tunnel is affected.
However, the space provided by these pipelines is narrow, which makes it very inconvenient for the constructors to detect the flaws on the pipelines, and makes it difficult for the flaw detection equipment to effectively attach to the outer wall of the pipeline for flaw detection, so that the final detection result is inaccurate, and the pipelines cannot be maintained by timely and effective measures. In addition, in the detection process, a constructor needs to hold the flaw detection equipment for a long time, so that the labor intensity is high, the flaw detection equipment is easy to shake, and the accuracy of a measurement result is influenced.
Therefore, a more reasonable technical scheme needs to be provided to solve the current technical problem aiming at the problem that the detection result is inaccurate when the current flaw detection equipment detects the tunnel pipeline.
Disclosure of Invention
The invention aims to provide a tunnel pipeline damage detection device to solve the problem that a detection result is inaccurate when the current flaw detection equipment detects a tunnel pipeline.
In order to achieve the purpose, the invention provides a tunnel pipeline damage detection device which comprises a holding member for holding a pipeline tightly, a detection mechanism for detecting a flaw of the pipeline, a controller for being in communication connection with the detection mechanism, a positioning mechanism for mounting the detection mechanism and a propping mechanism for pressing the detection mechanism;
the positioning mechanism is provided with a positioning part and an adjusting part respectively, the positioning part and the adjusting part are arranged at intervals relatively, the positioning mechanism is provided with an accommodating cavity for accommodating the detection mechanism, and the bottom surface of the positioning mechanism is formed into a curved surface matched with the pipeline;
one end of the clasping piece is connected to the positioning part, and the other end of the clasping piece is wound along the circumferential direction of the pipeline and then connected to the adjusting part, wherein the clasping piece is further provided with an adjusting part, so that the clasping piece can move in a single direction along the tightening direction after being connected to the adjusting part;
the detection mechanism is arranged in the accommodating cavity, the abutting mechanism is connected to the positioning mechanism, and the movable end of the abutting mechanism abuts against and presses the top surface of the detection mechanism.
In one possible design, the detection means are configured in at least two groups; each set of detection devices is configured to be lockably connected by a movement mechanism to adjust the distance between adjacent detection devices.
In a possible design, the moving mechanism includes a base ruler, a guide groove and a locking piece, the base ruler is connected to the positioning mechanism of one group of the detection devices, the guide groove and the locking piece are both arranged on the positioning mechanism of the adjacent detection device, the base ruler is inserted into the guide groove, and the locking piece is pressed against the base ruler to keep the position between the adjacent detection devices.
In one possible design, the locking member is configured as a bolt, and a screw hole adapted to the bolt is provided on the positioning mechanism of the adjacent detection device, and the bolt is connected to the screw hole to press against or release the base by screwing the bolt.
In one possible design, the extending direction of the guide groove is parallel to the axial direction of the pipe, and the length direction of the base ruler is parallel to the axial direction of the pipe.
In one possible design, the base ruler is provided with scale marks, and the positioning mechanism of the adjacent detection device is provided with a vernier matched with the base ruler.
In one possible design, the clasping member comprises a first spring and a cable; the positioning part is configured to be a positioning groove matched with the first spring, and the adjusting part is configured to be a clamping groove matched with the cable;
one end of the first spring penetrates through the positioning groove and is fixedly connected to the positioning mechanism, and the other end of the first spring is connected to the cable; the cable is provided with a plurality of the positioning adjustment joints and is clamped in the clamping groove.
In a possible design, a groove socket matched with the positioning adjustment is arranged on the clamping groove, and the size of the groove socket is larger than the diameter of the cable and smaller than the size of the positioning adjustment, so that the cable can move along the clamping groove and the positioning adjustment can be clamped in the groove socket.
In one possible design, the positioning knob is formed as a steel ball connected to the cable; alternatively, the positioning knob is formed as an annular flange provided to the cord.
In a possible design, the abutting mechanism includes a tightening member and a second spring, the tightening member is screwed to the positioning mechanism, one end of the second spring is connected to the tightening member, and the other end abuts against the top surface of the detection mechanism.
In one possible design, the detection mechanism is configured as at least one of an X-ray detector, an ultrasonic detector, a magnetic particle detector, a penetrant detector, an eddy current detector, and a gamma ray detector.
Through the technical scheme, the holding piece can be flexibly adjusted according to the size of the pipeline, so that the pipeline can be tightly held, and the stability and the reliability of the position of the positioning mechanism are ensured. After that, can make detection mechanism steadily laminate in the pipeline through adjusting to support the mechanism, guarantee the accuracy of the testing result of detecting a flaw, be convenient for constructor to take timely effective measure to maintain the pipeline according to the testing result of detecting a flaw. Meanwhile, the positioning of the detection mechanism is completed by mechanical parts, manual intervention is not needed, the labor intensity of constructors is reduced, the practicability is good, the influence of an external environment on a flaw detection result is avoided, and the accuracy of the detection result is ensured.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic perspective view of a tunnel pipe damage detection device at a viewing angle;
fig. 2 is a schematic perspective view of the tunnel pipe damage detection device from another view angle.
Description of the reference numerals
11-first spring, 12-cable, 13-positioning joint, 2-detection mechanism, 3-positioning mechanism, 41-tightening piece, 42-second spring, 51-base ruler, 52-guide groove, 53-locking piece, 54-vernier and 6-pipeline.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
According to the specific implementation manner of the present disclosure, a tunnel pipeline damage detection device is provided, which can be used for performing flaw detection on a pipeline in a tunnel. Fig. 1 and 2 show one embodiment of the present invention.
Referring to fig. 1 and 2, the tunnel pipeline damage detection device includes a holding member for holding a pipeline 6, a detection mechanism 2 for detecting a flaw of the pipeline 6, a controller for communicating with the detection mechanism 2, a positioning mechanism 3 for mounting the detection mechanism 2, and an abutting mechanism for pressing the detection mechanism 2.
The one end of clasping piece is connected in location portion, and the other end of clasping piece is connected in the regulation part after establishing around the circumferencial direction of pipeline 6, wherein, still is equipped with positioning adjustment 13 on the clasping piece to make clasping piece connect can follow the direction one-way motion that tightens up behind the regulation part.
The detection mechanism 2 is arranged in the accommodating cavity, the abutting mechanism is connected to the positioning mechanism 3, and the movable end of the abutting mechanism abuts against and presses the top surface of the detection mechanism 2.
The working process of the detection device can be summarized as follows: the clasping piece is wound on the pipeline 6 to be detected, and then the clasping piece can be pulled tightly, so that the positioning mechanism 3 can be tightly attached to the pipeline 6. Therefore, basic positioning of the detection mechanism 2 is achieved, the abutting mechanism can be adjusted according to the attaching condition between the bottom surface of the detection mechanism 2 and the pipeline 6, and therefore the pressing force is applied to the detection mechanism 2 through the abutting mechanism, the detection mechanism 2 can be tightly and firmly attached to the pipeline 6, detection errors are reduced beneficially, and the accuracy of the detection result of the pipeline 6 in a flaw detection mode is guaranteed.
Through the technical scheme, the holding piece can be flexibly adjusted according to the size of the pipeline 6, so that the pipeline 6 can be tightly held, and the stability and the reliability of the position of the positioning mechanism 3 are ensured. Afterwards, the detection mechanism 2 can be stably attached to the pipeline 6 by adjusting the abutting mechanism, the accuracy of the flaw detection result is guaranteed, and a constructor can take timely and effective measures to maintain the pipeline 6 conveniently according to the flaw detection result. Meanwhile, the positioning of the detection mechanism 2 is completed by mechanical parts, manual intervention is not needed, the labor intensity of constructors is reduced, the practicability is good, the influence of an external environment on a flaw detection result is avoided, and the accuracy of the detection result is ensured.
In a possible embodiment, the detection means are configured in at least two groups. Each set of detection devices is configured to be lockably connected by a movement mechanism to adjust the distance between adjacent detection devices. From this, can detect pipeline 6 through many detection mechanism 2, improve the data source, be of value to and reduce detection error, guarantee the accuracy of testing result. In addition, the position between the adjacent detection devices is adjustable, so that the device can adapt to different detection requirements, and has better flexibility.
In the present disclosure, the detection devices are configured in two groups, and in other embodiments, the detection devices may also be configured in any suitable number, such as three groups or five groups. In this regard, those skilled in the art can flexibly configure the configuration according to the application environment.
In embodiments provided by the present disclosure, the moving mechanism may be configured in any suitable configuration to enable adjustment of the position between adjacent detection devices.
In a possible embodiment, the moving mechanism comprises a base 51, a guide slot 52 and a locking piece 53, the base 51 is connected to the positioning mechanism 3 of one group of the detecting devices, the guide slot 52 and the locking piece 53 are both arranged on the positioning mechanism 3 of the adjacent detecting device, the base 51 is inserted into the guide slot 52, and the locking piece 53 is pressed against the base 51 to maintain the position between the adjacent detecting devices. Based on the connection mode, the adjustment of the positions of the adjacent detection devices is realized, the detection of different positions of the pipeline 6 is facilitated, and the acquisition of multiple groups of data is facilitated, so that the actual condition of the pipeline 6 is comprehensively and objectively analyzed and evaluated. By the arrangement, the base ruler 51 can be attached to the guide groove 52 to move stably, so that the position of the detection mechanism 2 can be reduced in the positioning process, and the accuracy of a detection result is ensured.
Alternatively, the locking member 53 may be configured as a bolt, and the positioning mechanism 3 of the adjacent detecting device is provided with a screw hole adapted to the bolt, and the bolt is connected to the screw hole, thereby tightening or releasing the base rule 51 by screwing the bolt. For example, when the position needs to be adjusted, the bolt is turned in the reverse direction so that the end face of the bolt can be away from the base 51, thereby facilitating the adjustment of the position of the base 51. When the adjusting is in place and needs to be detected, the bolt can be screwed in the forward direction, so that the end face of the bolt can be abutted against the base ruler 51, and the position of the base ruler 51 can be fixed.
In one embodiment provided by the present disclosure, the extending direction of the guide groove 52 is parallel to the axial direction of the pipe 6, and the length direction of the base 51 is parallel to the axial direction of the pipe 6. Thus, it is advantageous to accurately adjust the displacement distance of the adjacent detecting means and to smoothly move the base 51 in conformity with the guide groove 52.
Furthermore, the base scale 51 can be provided with scale marks, and the positioning mechanism 3 of the adjacent detection devices is provided with a cursor 54 matched with the base scale 51, so that the distance between the adjacent detection devices can be accurately adjusted, and the accuracy of the detection result of the pipeline 6 is improved.
In addition, can also become flexible the retainer for multiunit detection device can move in parallel together, realizes the effective detection to the different positions of pipeline 6, guarantees the variety and the accuracy that detect the sample.
In the embodiment provided by the present disclosure, referring to fig. 1 and 2, the clasping member comprises a first spring 11 and a cord 12. The positioning part is configured to be a positioning groove matched with the first spring 11, and the adjusting part is configured to be a clamping groove matched with the cable 12.
One end of the first spring 11 passes through the positioning slot and is fixedly connected to the positioning mechanism 3, and the other end is connected to the cable 12. The strip cable 12 is provided with a plurality of positioning joints 13 which are clamped in the clamping grooves, so that the clamping force of the clamping piece can be adjusted conveniently, and the detection of different sections of pipelines 6 can be realized. The second spring 42 is beneficial to adapting to different specifications of pipelines 6, and meanwhile, the clasping member can smoothly move at the bent part or the lap joint of the pipelines 6 based on the elasticity of the second spring 42. Specifically, the first spring 11 may be a tension spring.
In a possible design, the clamping groove is provided with a groove socket matched with the positioning node 13, and the size of the groove socket is larger than the diameter of the rope 12 and smaller than the size of the positioning node 13, so that the rope 12 can move along the clamping groove and the positioning node 13 can be clamped in the groove socket, the position of the positioning node 13 is ensured, the stability of the clasping member during clasping indirectly is further prevented, and the clasping member is prevented from loosening due to reverse sliding.
Alternatively, the knob 13 may be formed as a steel ball attached to the cable 12 so that the ball is captured in a socket, in which case the socket may be formed as a ball socket so that it fits well with the ball. In particular, the steel ball may then be rotatably connected to the cable 12.
Alternatively, the adjustment knob 13 is formed as an annular flange arranged on the cable 12, whereby an annular projection is snapped into the groove. In particular, the annular flange may be integrally formed with the cord 12, thereby facilitating manufacturing.
In a possible design, support the mechanism and include tightening part 41 and second spring 42, tightening part 41 threaded connection is in positioning mechanism 3, the one end of second spring 42 is connected in tightening part 41, the other end supports and supports in detection mechanism 2's top surface, the pressure that supports that produces through second spring 42 makes detection mechanism 2 can tightly hug closely and close in pipeline 6 from this, can prevent that detection mechanism 2 from rocking at the testing process, make detection mechanism 2 can laminate and detect it effectively in pipeline 6 then, the accuracy of detection mechanism 2 to pipeline 6 detection result of detecting a flaw has been improved.
In this case, a guide shaft adapted to the second spring 42 may be further provided on the top surface of the detecting mechanism 2, so that the second spring 42 can be fitted around the guide shaft at one end to stably and reliably press the detecting mechanism 2.
In the present disclosure, the second spring 42 is a compression spring.
In one particular embodiment provided by the present disclosure, the detection mechanism 2 may be configured as at least one of an X-ray flaw detector, an ultrasonic flaw detector, a magnetic particle flaw detector, a penetrant flaw detector, an eddy current flaw detector, and a gamma ray flaw detector. At least one of the detecting means 2 may be configured as any one of an X-ray flaw detector, an ultrasonic flaw detector, a magnetic particle flaw detector, a penetration flaw detector, an eddy current flaw detector, and a gamma-ray flaw detector, or configured as one or more of the same type of flaw detectors, or used in combination with different types of flaw detectors. For which the skilled person can flexibly choose depending on the application environment.
In one embodiment, the controller is one or more of a PLC logic controller, a central processing unit, a digital signal processor, an application specific integrated circuit, and a field programmable gate array.
In the present disclosure, the controller is configured as a PLC logic controller.
In other embodiments, the controller may be one of a Central Processing Unit (CPU), a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), or a Field Programmable Gate Array (FPGA).
In addition, the controller may also be a Network Processor (NP), other programmable logic device, discrete gate or transistor logic device, discrete hardware component.
The detection mechanism 2 and the controller may transmit data through various wireless transmission protocols known in the art, such as GPRS, WiFi, bluetooth, etc., so as to reduce the number of signal lines. Of course, wired transmission of data may also be achieved through a communication cable or the like, which is not limited by the present disclosure.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
Claims (8)
1. The tunnel pipeline damage detection device is characterized by comprising a holding member for holding a pipeline (6), a detection mechanism (2) for detecting a flaw of the pipeline (6), a controller for being in communication connection with the detection mechanism (2), a positioning mechanism (3) for mounting the detection mechanism (2) and a propping mechanism for pressing the detection mechanism (2);
the positioning mechanism (3) is respectively provided with a positioning part and an adjusting part, the positioning part and the adjusting part are opposite and arranged at intervals, the positioning mechanism (3) is provided with an accommodating cavity for accommodating the detection mechanism (2), and the bottom surface of the positioning mechanism (3) is formed into a curved surface matched with the pipeline (6);
one end of the clasping piece is connected to the positioning part, the other end of the clasping piece is wound along the circumferential direction of the pipeline (6) and then is connected to the adjusting part, and the clasping piece is further provided with an adjusting joint (13) so that the clasping piece can move in a single direction along the tightening direction after being connected to the adjusting part;
the detection mechanism (2) is arranged in the accommodating cavity, the abutting mechanism is connected to the positioning mechanism (3), and the movable end of the abutting mechanism abuts against the top surface of the detection mechanism (2);
wherein the clasping member comprises a first spring (11) and a cable (12); the positioning part is configured to be a positioning groove matched with the first spring (11), and the adjusting part is configured to be a clamping groove matched with the cable (12);
one end of the first spring (11) penetrates through the positioning groove and is fixedly connected to the positioning mechanism (3), and the other end of the first spring is connected to the cable (12); the cable (12) is provided with a plurality of positioning adjustment joints (13) and is clamped in the clamping groove.
2. The tunnel conduit damage detection device of claim 1, wherein the detection device is configured in at least two groups; each group of detection devices are configured to be lockably connected through a moving mechanism so as to adjust the distance between adjacent detection devices;
the moving mechanism comprises a base ruler (51), a guide groove (52) and a locking piece (53), the base ruler (51) is connected to the positioning mechanism (3) of one group of detection devices, the guide groove (52) and the locking piece (53) are arranged on the positioning mechanism (3) of the adjacent detection devices, the base ruler (51) is inserted into the guide groove (52), and the locking piece (53) is pressed against the base ruler (51) to keep the position between the adjacent detection devices.
3. The tunnel pipe damage detection device according to claim 2, characterized in that the locking member (53) is configured as a bolt, and a screw hole adapted to the bolt is provided on the positioning mechanism (3) of the adjacent detection device, and the bolt is connected to the screw hole to press against or release the base rule (51) by screwing the bolt.
4. The tunnel conduit damage detection apparatus according to claim 2, wherein an extending direction of the guide groove (52) is parallel to an axial direction of the conduit (6), and a length direction of the base rule (51) is parallel to the axial direction of the conduit (6).
5. The tunnel pipeline damage detection device according to claim 2, characterized in that the base ruler (51) is provided with scale marks, and the positioning mechanism (3) of the adjacent detection device is provided with a cursor (54) matched with the base ruler (51).
6. The tunnel pipe damage detection device according to claim 1, wherein the holding groove is provided with a groove socket matched with the positioning joint (13), and the size of the groove socket is larger than the diameter of the rope (12) and smaller than the size of the positioning joint (13), so that the rope (12) can move along the holding groove and the positioning joint (13) can be held in the groove socket;
the positioning knob (13) is formed as a steel ball connected to the cable (12); alternatively, the adjustment knob (13) is formed as an annular flange arranged on the cable (12).
7. The tunnel pipe damage detection device according to any one of claims 1-6, wherein the abutting mechanism comprises a tightening piece (41) and a second spring (42), the tightening piece (41) is in threaded connection with the positioning mechanism (3), one end of the second spring (42) is connected to the tightening piece (41), and the other end abuts against the top surface of the detection mechanism (2).
8. The tunnel pipe damage detection apparatus according to any one of claims 1 to 6, wherein the detection mechanism (2) is configured as at least one of an X-ray detector, an ultrasonic detector, a magnetic particle detector, a penetrant detector, an eddy current detector, and a gamma ray detector.
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| CN202110779063.1A CN113514613B (en) | 2021-07-09 | 2021-07-09 | Tunnel pipeline damage detection device |
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| CN202110779063.1A CN113514613B (en) | 2021-07-09 | 2021-07-09 | Tunnel pipeline damage detection device |
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| CN213118495U (en) * | 2020-08-26 | 2021-05-04 | 镇江新华电工程质量检测有限责任公司 | High-efficient frock of x ray detection |
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| DE10141768A1 (en) * | 2001-08-29 | 2003-03-20 | Agfa Ndt Gmbh | Ultrasonic immersion testing of pipes in a water-filled tank, whereby a cylindrical plug with a diameter equal to that of the pipe is attached to the end of the pipe to allow testing of the whole pipe length |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206248585U (en) * | 2016-12-19 | 2017-06-13 | 南京金陵检测工程有限公司 | A kind of x-ray flaw detector |
| CN206420793U (en) * | 2017-01-21 | 2017-08-18 | 温州宏泰无损检测有限公司 | A kind of pipe welding seam X-ray digitizes the cannot-harm-detection device |
| CN210720206U (en) * | 2019-08-24 | 2020-06-09 | 南京华中检测有限公司 | X-ray flaw detector for nondestructive testing |
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