CN115451857A - Municipal pipe network pipeline deformation detection device - Google Patents
Municipal pipe network pipeline deformation detection device Download PDFInfo
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- CN115451857A CN115451857A CN202211287980.9A CN202211287980A CN115451857A CN 115451857 A CN115451857 A CN 115451857A CN 202211287980 A CN202211287980 A CN 202211287980A CN 115451857 A CN115451857 A CN 115451857A
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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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Abstract
The application belongs to the technical field of underground pipeline detection, and relates to a municipal pipe network pipeline deformation detection device. At present, the deformation detection of municipal pipe network pipelines adopts an observation soil body settlement method to indirectly reflect the deformation condition of the pipelines. The municipal pipe network pipeline deformation detection device comprises a laser emission disc and a target disc; the laser emitting disc is provided with a laser emitter, and the disc surfaces of the laser emitting disc and the target disc are circular. Some embodiments of this application set up laser emission dish and target dish respectively through two ends at underground piping, utilize laser irradiation's optical principle, can detect the deformation of pipeline more directly perceivedly to can directly embody the slope change of the interior wall flow surface of pipeline. This application is passed through laser irradiation investigation pipeline and is warp to avoided the pipeline to warp the problem that influences the flowing water face slope to a certain extent, be favorable to the normal realization of the drainage function of pipeline in the use. The device is simple in structure, accurate in measurement and suitable for popularization and application in the industry.
Description
Technical Field
The application relates to the technical field of underground pipeline detection, in particular to a municipal pipe network pipeline deformation detection device.
Background
The municipal highway engineering usually comprises underground pipe network engineering, and the construction quality of the pipe network engineering directly determines whether multiple functions of the municipal engineering can be normally used. Drainage pipe engineering is the most common pipe network engineering, and is the non-pressure pipe engineering, relies on the self gravity of water to discharge, and the flowing water slope of design is the quality essential of control in the work progress, decides whether can discharge smoothly following the water, whether pipeline tubular product takes place to warp crooked direct influence flowing water slope and changes in the work progress, so to the pipeline deformation detection in the work progress and after the construction is an important work.
The current common detection method is as follows: after the pipeline is backfilled, settlement observation points are arranged on the top surface of the backfill soil right above the pipeline, and the deformation condition of the pipeline is indirectly reflected by observing the settlement of the soil body.
The settlement observation of the backfill soil can only indirectly reflect the deformation condition of the pipeline and can not directly reflect the real deformation of the pipeline. Because the measuring instrument can not directly measure the collected deformation data of the water surface of the inner wall of the pipeline. If the backfill does not settle in the measuring period, but the situation that the pipeline deforms in the process of backfill layer-by-layer backfill, rolling compaction and the like can also exist, and the deformation cannot be measured through settlement observation.
Disclosure of Invention
The application provides a municipal pipe network pipeline deformation detection device to solve the current not high problem of underground piping detection precision.
The technical scheme adopted by the application is as follows:
a municipal pipe network pipeline deformation detection device comprises a laser emission disc and a target disc;
the laser emitting disc is provided with a laser emitter, and the disc surfaces of the laser emitting disc and the target disc are circular.
In some embodiments, the laser emission device further comprises a rotary slide rail, the rotary slide rail is arranged on the laser emission disc, the center point of the rotary slide rail is movably connected with the center of the laser emission disc, the rotary slide rail rotates around the center of the laser emission disc, a slide block sliding along the rotary slide rail is arranged on the rotary slide rail, and the slide block is fixedly connected with the laser emitter.
In some embodiments, the target disc is provided with annular graduation marks.
In some embodiments, the target disc is further provided with a cross line, the cross line divides the target disc into four quadrants, the ring scale lines of the target disc are concentric ring scale lines which gradually decrease from the outer edge of the target surface to the target center according to the radius difference of 1cm, and the diameter of the outermost ring line is equal to the diameter of the cross section circle of the inner wall of the pipeline.
In some embodiments, the target plate comprises at least 2 embedded legs and a transparent target plate, the external surface of each embedded leg is in a circular arc shape attached to the inner wall of the pipeline, and the embedded legs are arranged on the transparent target plate close to the outer edge of the transparent target plate.
In some embodiments, the target disc comprises a disc body, the edge of the disc body is provided with a connecting part, a bolt through hole is arranged on the connecting part, and the disc body is fixedly connected with a pipeline through a bolt sleeved in the bolt through hole.
In some embodiments, the laser emitting disc further comprises a handle, the handle is arranged on the laser emitting disc, and the handle and the laser emitter are respectively arranged on the outer side face and the inner side face of the laser emitting disc.
In some embodiments, a spiral groove and a sliding buckle are arranged on the laser emission disc, the spiral groove spirals from the outer edge of the laser emission disc to a center point, a groove opening spirally consistent with the spiral groove is arranged at the bottom of the spiral groove, the sliding buckle slides along the groove opening, one end of the sliding buckle is exposed outside the laser emission disc, and the other end of the sliding buckle is fixedly connected with the laser emitter through the groove opening.
In some embodiments, the laser shooting device further comprises a shooting recorder with a time-delay shooting and recording function, wherein the shooting recorder is arranged on the target disc and is used for shooting the position and the track of the laser spot of the laser emitter on the target disc.
In some embodiments, the target disc is a variable diameter target disc, the target disc includes a target body and a target surface, the target body is horn-shaped, the target surface is made of fiber cloth, the target body is buckled at the end of the pipeline, the target body is provided with bolt through holes, and the target surface is fixed on the pipeline and tightened through bolts sleeved in the bolt through holes.
This application is through installing laser emission dish and target disc respectively at adjacent inspection shaft pipeline port, and laser emission dish passes through the pipeline and projects laser on the target disc. Under the ideal state, all vertical cross sections of pipeline are equal and perpendicular pipeline axis, and laser can be projected in the equal and any position of parallel pipeline vertical cross section's target surface, if the pipeline local deformation, then in the department that warp, laser is blocked, can not project on the target surface, and when laser just in time passed through the critical position of department that warp, laser was projected on the target surface, and the position of laser point on the target surface alright explain pipeline local deformation degree. By moving the position of the laser emitter on the laser emitting disc, the position of the observation laser point at different positions for multiple times projected to the target surface can be used for detecting the deformation quality of the pipeline in the pipeline engineering.
The technical scheme of the application has the following beneficial effects:
the municipal pipe network pipeline deformation detection device comprises a laser emission disc and a target disc; the laser emitting disc is provided with a laser emitter, and the disc surfaces of the laser emitting disc and the target disc are circular. Some embodiments of this application set up laser emission dish and target dish respectively through two ends at underground piping, utilize laser irradiation's optical principle, can detect the deformation of pipeline more directly perceivedly to can directly embody the slope change of the interior wall flow surface of pipeline. This application is passed through laser irradiation investigation pipeline and is out of shape to avoided the pipeline to warp the problem that influences the flowing water face slope to a certain extent, be favorable to the normal realization of the drainage function of pipeline in the use. The device is simple in structure, accurate in measurement and suitable for popularization and application in the industry.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of an arrangement of a laser-emitting disk according to an embodiment of the present application;
FIG. 2 is a schematic front view of the target disk of the embodiment of FIG. 1;
FIG. 3 is a schematic side view of the target disk of the embodiment of FIG. 1;
FIG. 4 is a schematic view of an application scenario according to an embodiment of the present application;
FIG. 5 is a schematic structural view of another embodiment of a target disk of the present application;
FIG. 6 is a schematic structural view of another embodiment of a target disk of the present application;
FIG. 7 is a schematic structural view of yet another embodiment of a target disk of the present application;
illustration of the drawings:
wherein, 1-laser emitting disc, 11-laser emitter, 12-rotary slide rail, 13-slide block, 14-handle, 15-spiral groove, 16-groove opening, 2-target disc, 21-transparent target disc, 22-embedded leg, 23-shooting recorder, 24-target body, 25-target surface, 26-bolt.
Detailed Description
Reference will now be made in detail to embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following examples do not represent all embodiments consistent with the present application. But merely as exemplifications of systems and methods consistent with certain aspects of the application, as recited in the claims.
Pipeline engineering is usually equipped with the inspection shaft, and the pipeline between inspection shaft and the inspection shaft moves towards for a fixed slope, and the pipeline axis is a straight line, utilizes the physical characteristics of laser along the rectilinear propagation, uses the device to detect the deformation condition of pipeline between two inspection shafts.
The laser emitting disc and the target disc are respectively installed at two ports of a pipeline between two adjacent inspection wells, and workers at two ends are communicated through the interphone. The laser emission device slides from the outermost side of the pipeline section to the center of the section, if the pipeline does not deform, the laser can be thrown onto the corresponding pipeline section position of the laser target, if the local deformation occurs, the laser cannot be thrown onto the laser target, the laser continues to move towards the center until the laser is thrown onto the laser target, the staff at the two ends record the positions of laser points on the laser emission device and the laser target respectively, and the numerical value comparison value of the two records is the pipeline deformation. The three laser transmitters acquire data for a plurality of times from different directions for comparison, so that the pipeline deformation condition can be known more accurately.
Referring to fig. 1, a schematic diagram of an arrangement structure of a laser emitting disk according to an embodiment of the present application is shown.
The application provides a municipal pipe network pipeline deformation detection device which comprises a laser emission disc 1 and a target disc 2;
the laser emitting disc 1 is provided with a laser emitter 11, and the disc surfaces of the laser emitting disc 1 and the target disc 2 are circular.
Referring to fig. 2-4, in this embodiment, the laser emitter 11 is connected to the laser emitting disc 1, and the connection mode may be fixed connection or movable connection, the laser emitting disc 1 is only provided with a pivot for the laser emitter 11 to emit a laser beam emitted along the axial direction of the pipeline to the target disc 2, the light spot of the beam falls on the target disc 2, and by observing and measuring the light spot track of the target disc 2, the conclusion whether the pipeline has deformation can be intuitively obtained, and by accurately measuring the size of the light spot from the edge of the pipeline, the accurate value of the pipeline deformation can also be obtained.
In some embodiments, the laser emission device further includes a rotary slide rail 12, the rotary slide rail 12 is disposed on the laser emission disc 1, a center point of the rotary slide rail 12 is movably connected to a center of the laser emission disc 1, the rotary slide rail 12 rotates around the center of the laser emission disc 1, a slider 13 sliding along the rotary slide rail 12 is disposed on the rotary slide rail 12, and the laser emitter 11 is fixedly connected to the slider 13.
Referring to fig. 1, in this embodiment, the rotary slide rail 12 can freely rotate 360 degrees around a central point, in some embodiments, the length of the rotary slide rail 12 is set to be the length of the inner diameter of the pipeline, a slide block 13 sliding along the rotary slide rail 12 is further disposed on the rotary slide rail 12, the laser emitter 11 is fixed on the slide block 13, and the slide block 13 is matched with the rotation of the rotary slide rail 12 in a sliding manner, so that the laser emitter 11 can be fixed at any position on the disk surface, thereby realizing laser beam emission without dead angle and achieving omnibearing deformation measurement of the pipeline.
In some embodiments, the target disc 2 is provided with annular graduation marks.
In some embodiments, the target plate 2 is further provided with a cross line, the cross line divides the target plate 2 into four quadrants, the ring scale lines of the target plate 2 are concentric ring scale lines which gradually decrease from the outer edge of the target surface 25 to the target center according to a radius difference of 1cm, and the diameter of the outermost ring line is equal to the diameter of the cross section circle of the inner wall of the pipeline.
Referring to fig. 2, the target disc 2 is provided with a circular scale mark, and the deformation of the pipeline can be accurately measured by comparing the drop point of the laser spot on the scale mark.
In some embodiments, the target plate 2 comprises at least 2 embedded legs 22 and a transparent target plate 21, the external surface of the embedded legs 22 is configured as a circular arc shape attached to the inner wall of the pipeline, and the embedded legs 22 are disposed on the transparent target plate 21 near the outer edge of the transparent target plate 21.
Referring to fig. 3 and 4, in order to fix the target plate 2 on the pipeline, the embedded leg 22 is arranged and is buckled into the pipeline, and the opening distance of the embedded leg 22 is reasonably set, so that the embedded leg 22 can be better fastened on the pipeline.
In some embodiments, the target plate 2 includes a plate body, the edge of the plate body is provided with a connecting portion, the connecting portion is provided with a bolt through hole, and the plate body is fixedly connected with a pipeline through a bolt 26 sleeved in the bolt through hole.
Referring to fig. 5, the target plate 2 is fastened to the pipeline by fixing the plate body to the pipeline by bolts 26, so that the target plate is not easy to loosen and shake, and the efficiency and accuracy of measurement are improved.
Referring to fig. 1, in some embodiments, the laser emitting disc further includes a handle 14, the handle 14 is disposed on the laser emitting disc 1, and the handle 14 and the laser emitter 11 are disposed on an outer side surface and an inner side surface of the laser emitting disc 1, respectively.
Referring to fig. 6, in some embodiments, a spiral groove 15 and a sliding buckle are provided on the laser emission disk 1, the spiral groove 15 spirals from an outer edge of the laser emission disk 1 to a center point, a groove opening 16 spirally corresponding to the spiral groove 15 is provided at a bottom of the spiral groove 15, the sliding buckle slides along the groove opening 16, one end of the sliding buckle is exposed outside the laser emission disk 1, and the other end of the sliding buckle is fixedly connected to the laser emission device 11 through the groove opening 16. Slide the buckle through manual control and move along groove opening 16, drive laser emitter 11 and move on laser emission dish 1, realize laser beam's multiposition measurement, promoted measurement of efficiency.
Referring to fig. 6, in some embodiments, the optical disc drive further comprises a shooting recorder 23 having a time-delay shooting function, wherein the shooting recorder 23 is disposed on the target disc 2, and the shooting recorder 23 is configured to shoot the position and the track of the laser spot of the laser emitter 11 on the target disc 2. In this embodiment, because in underground piping, be subject to the operation space in many times, constructor is difficult for the operation, adopts shooting record appearance 23 to carry out the machine and shoots the naked eye of replacing the people, can reduce the influence that is restricted by the place. In addition, the quality of the shot is generally higher than the quality of the flesh eye recognition. It is thus conceivable that the accuracy of the detection recognition can be improved even better by connecting a computer to the image capture recorder 23 and using a recognition algorithm.
Referring to fig. 7, in some embodiments, the target disk 2 is a diameter-variable target disk 2, the target disk 2 includes a target body 24 and a target surface 25, the target body 24 is in a trumpet shape, the target surface 25 is made of fiber cloth, the target body 24 is buckled on the end of a pipeline, a bolt through hole is arranged on the target body 24, and the target surface 25 is fixed on the pipeline through a bolt sleeved in the bolt through hole and tightened. In this embodiment, the target surface 25 is made of a fiber cloth material, and has good plasticity, and the area of the target surface 25 receiving the light beam spot can be arbitrarily arranged by applying tension. By providing bolt through holes in the target 24 in advance, the target 24 and the target surface 25 are simultaneously fixed to the outer wall of the pipe by bolts, and the target surface 25 is tensioned, which is advantageous for obtaining the material plane of the received light spot. Powerful support is provided for judging pipeline deformation and measuring pipeline deformation by subsequently measuring the light spot distance.
During this application actual application, through installing laser emission dish and target dish respectively at adjacent inspection shaft pipeline port, laser emission dish passes through the pipeline and projects laser on the target dish. Under the ideal state, all vertical cross sections of the pipeline are equal and vertical to the pipeline axis, the laser can be projected to any position of the target surface of the equal and parallel pipeline vertical cross section, if the pipeline is locally deformed, the laser is blocked at the deformation position and cannot be projected onto the target surface, when the laser just passes through the critical position of the deformation position, the laser is projected onto the target surface, and the position of the laser point on the target surface can indicate the local deformation degree of the pipeline. By moving the position of the laser emitter on the laser emitting disc, the position of the observation laser point at different positions projected to the target surface for multiple times can be used for detecting the deformation quality of the pipeline in the pipeline engineering.
The municipal pipe network pipeline deformation detection device comprises a laser emission disc and a target disc; the laser emitting disc is provided with a laser emitter, and the disc surfaces of the laser emitting disc and the target disc are circular. Some embodiments of this application set up laser emission dish and target disc respectively through two ends at underground pipeline, utilize laser irradiation's optical principle, can detect the deformation of pipeline more directly perceivedly to can directly embody the slope change of the interior wall flow surface of pipeline. This application is passed through laser irradiation investigation pipeline and is warp to avoided the pipeline to warp the problem that influences the flowing water face slope to a certain extent, be favorable to the normal realization of the drainage function of pipeline in the use. The device is simple in structure, accurate in measurement and suitable for popularization and application in the industry.
The embodiments provided in the present application are only a few examples of the general concept of the present application, and do not limit the scope of the present application. Any other embodiments extended according to the scheme of the present application without inventive efforts will be within the scope of protection of the present application for a person skilled in the art.
Claims (10)
1. A municipal pipe network pipeline deformation detection device is characterized by comprising a laser emission disc and a target disc;
the laser emission disc is provided with a laser emitter, and the disc surfaces of the laser emission disc and the target disc are circular.
2. The municipal pipe network pipeline deformation detection device according to claim 1, further comprising a rotary slide rail, wherein the rotary slide rail is arranged on the laser emission disc, the center point of the rotary slide rail is movably connected with the center of the laser emission disc, the rotary slide rail rotates around the center of the laser emission disc, a slide block sliding along the rotary slide rail is arranged on the rotary slide rail, and the slide block is fixedly connected with the laser emitter.
3. The municipal pipe network pipeline deformation detection device according to claim 1, wherein the target disc is provided with annular graduation marks.
4. The municipal pipe network pipeline deformation detection device according to claim 3, wherein the target dial is further provided with a cross line, the cross line divides the target dial into four quadrants, the circular scale lines of the target dial are concentric circular scale lines which gradually decrease from the outer edge of the target surface to the target center according to the radius difference of 1cm, and the diameter of the outermost circular scale line is equal to the diameter of the pipeline inner wall cross section circle.
5. The municipal pipe network pipeline deformation detection device of claim 1, wherein the target disc comprises at least 2 embedded legs and a transparent target disc, the external surface of each embedded leg is in the shape of a circular arc attached to the inner wall of the pipeline, and the embedded legs are arranged on the transparent target disc near the outer edge of the transparent target disc.
6. The municipal pipe network pipeline deformation detection device of claim 1, wherein the target tray comprises a tray body, wherein the edge of the tray body is provided with a connection portion, the connection portion is provided with a bolt through hole, and the tray body is fixedly connected with the pipeline through a bolt sleeved in the bolt through hole.
7. The municipal pipe network pipeline deformation detection device according to claim 1, further comprising a handle, wherein the handle is disposed on the laser emission disc, and the handle and the laser emitter are disposed on an outer side surface and an inner side surface of the laser emission disc, respectively.
8. The municipal pipe network pipeline deformation detection device according to claim 1, wherein the laser emission disc is provided with a spiral groove and a sliding buckle, the spiral groove spirals from the outer edge of the laser emission disc to a center point, the bottom of the spiral groove is provided with a groove opening which is in spiral correspondence with the spiral groove, the sliding buckle slides along the groove opening, one end of the sliding buckle is exposed outside the laser emission disc, and the other end of the sliding buckle is fixedly connected with the laser emitter through the groove opening.
9. The municipal pipe network pipeline deformation detection device according to claim 1, further comprising a shooting recorder with a time-delay shooting and recording function, wherein the shooting recorder is arranged on the target disc and is used for shooting the position and the track of the laser spot of the laser emitter on the target disc.
10. The municipal pipe network pipeline deformation detection device of claim 1, wherein the target disc is a variable diameter target disc, the target disc comprises a target body and a target surface, the target body is horn-shaped, the target surface is made of fiber cloth, the target body is buckled at the end of the pipeline, the target body is provided with bolt through holes, and the target surface is fixed on the pipeline and tightened through bolts sleeved in the bolt through holes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202211287980.9A CN115451857A (en) | 2022-10-20 | 2022-10-20 | Municipal pipe network pipeline deformation detection device |
Applications Claiming Priority (1)
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CN202211287980.9A CN115451857A (en) | 2022-10-20 | 2022-10-20 | Municipal pipe network pipeline deformation detection device |
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CN115451857A true CN115451857A (en) | 2022-12-09 |
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CN202211287980.9A Pending CN115451857A (en) | 2022-10-20 | 2022-10-20 | Municipal pipe network pipeline deformation detection device |
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CN (1) | CN115451857A (en) |
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2022
- 2022-10-20 CN CN202211287980.9A patent/CN115451857A/en active Pending
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