CN113176616B - Underground pipeline detection device for building construction and detection method thereof - Google Patents
Underground pipeline detection device for building construction and detection method thereof Download PDFInfo
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- CN113176616B CN113176616B CN202110419267.4A CN202110419267A CN113176616B CN 113176616 B CN113176616 B CN 113176616B CN 202110419267 A CN202110419267 A CN 202110419267A CN 113176616 B CN113176616 B CN 113176616B
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- 238000001514 detection method Methods 0.000 title claims abstract description 72
- 238000009435 building construction Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 22
- 239000000049 pigment Substances 0.000 claims description 39
- 230000007306 turnover Effects 0.000 claims description 10
- 239000003550 marker Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000007790 scraping Methods 0.000 claims description 6
- 238000007689 inspection Methods 0.000 description 10
- 238000010276 construction Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/12—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with electromagnetic waves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/045—Allowing translations adapted to left-right translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/048—Allowing translations adapted to forward-backward translation movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention provides an underground pipeline detection device for building construction and a detection method thereof, wherein a detection assembly is provided with a fixed body, a pipeline detector and a controller, wherein a transverse sliding rod penetrates through the transverse perforation, a longitudinal sliding rod penetrates through the longitudinal perforation, the pipeline detector is connected to the fixed body, and a detection part of the pipeline detector is positioned at the lower end of the fixed body; the controller is in signal connection with the pipeline detector, the moving vehicle, the transverse driving assembly and the longitudinal moving assembly, and comprises the moving vehicle, the transverse driving assembly, the longitudinal moving assembly and the detecting assembly; through the setting of horizontal drive assembly and vertical removal subassembly, can make the pipeline detector accomplish quick regional detection coverage in whole waiting to detect the region, after accomplishing the removal and cover, then analyze the strongest site of signal strength and mark at the in-process that removes through the controller, just so realized the purpose of detecting underground pipeline fast with automaticly.
Description
Technical Field
The invention relates to the field of detection of underground pipelines in building construction, in particular to a detection device and a detection method which are high in automation degree and convenient and rapid in detection of pipeline positions in a detection area.
Background
In the building construction process, underground construction is usually required, and the arrangement condition of underground pipelines is the first consideration before the underground construction.
One instrument that is now being used to quickly determine the placement of an underground pipeline is a pipeline inspection instrument, or cable inspection instrument, which is typically a hand-held structure. The operator holds the instrument in his hand and makes frequent movements in the detection area to obtain the location of the underground pipeline and mark it with a mark.
The basic principle of the pipeline detection instrument is that: the electromagnetic field caused by alternating current loaded on the cable to be tested is sensed by the detection coil. When path detection is performed, a signal generator is required to transmit an audio signal to a cable, and a host is required to receive the audio signal.
However, in the actual detection process, when the detection area is large, if the site-by-site search is performed manually, it is very labor-intensive and the search position is not accurate.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a device structure and a method capable of automatically searching a marking site for the position movement of a pipeline detector in a detection area.
The invention provides an underground pipeline detection device for building construction, which comprises a moving vehicle, a transverse driving assembly, a longitudinal moving assembly and a detection assembly, wherein the transverse driving assembly is arranged on the moving vehicle;
the mobile vehicle is provided with a mobile supporting plate and rollers;
the transverse driving assembly is provided with a transverse motor, a transverse driving wheel, a first transverse screw rod, a second transverse screw rod, a first transverse driven wheel, a second transverse driven wheel, a first transverse conveying belt, a second transverse conveying belt and a transverse sliding rod, wherein the transverse motor is in driving connection with the transverse driving wheel, a group of first transverse driven wheels are respectively arranged at two ends of the first transverse screw rod, a group of second transverse driven wheels are respectively arranged at two ends of the second transverse screw rod, the first transverse driven wheels and the second transverse driven wheels of the first group are connected through the first transverse conveying belt, the second transverse driven wheels and the second transverse driven wheels of the second group are connected through the second transverse conveying belt, the transverse driving wheel is connected with the first transverse driven wheels, and two ends of the transverse sliding rod are respectively sleeved on the first transverse screw rod and the second transverse screw rod;
the longitudinal moving assembly is provided with a longitudinal motor, a longitudinal driving wheel, a first longitudinal screw rod, a second longitudinal screw rod, a first longitudinal driven wheel, a second longitudinal driven wheel, a first longitudinal conveying belt, a second longitudinal conveying belt and a longitudinal sliding rod, wherein the longitudinal motor is in driving connection with the longitudinal driving wheel;
the detection assembly is provided with a fixed body, a pipeline detector and a controller, wherein the fixed body is provided with a transverse perforation and a longitudinal perforation, the transverse sliding rod passes through the transverse perforation, the longitudinal sliding rod passes through the longitudinal perforation, the pipeline detector is connected with the fixed body, and the detection part of the pipeline detector is positioned at the lower end of the fixed body; the controller is in signal connection with the pipeline detector, the moving vehicle, the transverse driving assembly and the longitudinal moving assembly.
The beneficial effect of above-mentioned scheme is: through the setting of horizontal drive assembly and vertical removal subassembly, can make the pipeline detector accomplish quick regional detection coverage in whole waiting to detect the region, after accomplishing the removal and cover, then analyze the strongest site of signal strength and mark at the in-process that removes through the controller, just so realized the purpose of detecting underground pipeline fast with automaticly.
One preferable scheme comprises a marking assembly, wherein the marking assembly is arranged on the fixed body, and the marking assembly is arranged at the adjacent position of the pipeline detector; the marking assembly is provided with a fixed plate, a hinged shaft lever, a connecting rod, a turnover frame, a telescopic spring, a pigment roller, a lifting rod, a pushing structure and a marking column; the top of the fixed plate is connected to the fixed body, the upper end of the turnover frame is connected to the hinged shaft rod, the top end of the telescopic spring is connected to the fixed plate, the lower end of the telescopic spring is connected to the connecting rod, the connecting rod is fixed to the turnover frame, and the pigment roller is arranged at the bottom of the turnover frame; the pushing structure is connected with the lifting rod, the lower end of the lifting rod is connected with the marking column, and the pushing structure is used for driving the marking column to conduct lifting movement and enabling the marking column to be in contact with the pigment roller and driving the overturning frame to overturn in the movement process.
The beneficial effect of above-mentioned scheme is: for the detected marking sites, in order to leave observable marks in time so that operators can observe the marking sites at any time later, a marking assembly is arranged, namely, pigment on the pigment roller is scraped automatically in the descending process through the marking column, so that the marking column can finish marking actions on the marking sites on the ground when the marking column descends to the ground. That is, the controller determines the marking site first, then moves the marking assembly to the cap marking site, and then marks on the ground through the marking column, so that the trouble of manually marking is omitted, the accuracy of the marking site is improved, and the working efficiency is improved.
In a preferred scheme, the pigment roller is provided with an inkpad layer, the lower end of the marking column is provided with a flexible sponge layer, and the flexible sponge layer is used for scraping a part of inkpad in contact with the inkpad layer.
In a preferred scheme, the pushing structure is a pushing cylinder structure, and the pushing cylinder structure is connected with the lifting rod; or, the pushing structure is a pressing column, and the pressing column is connected with the reset spring.
The pipeline detector comprises a signal receiver and a signal generator, wherein the signal generator is used for loading an alternating current to-be-detected pipeline to cause electromagnetic waves, the signal receiver is used for receiving electromagnetic wave signals and transmitting the electromagnetic wave signals to the controller for analyzing signal changes, and the signal is strongest when the signal receiver is positioned at a position right above the pipeline;
the controller is provided with an area movement limiting module which limits the detection assembly to move within a certain area range through the transverse driving assembly and the longitudinal movement assembly
The invention provides a detection method of an underground pipeline detection device for building construction, which comprises the following steps:
the whole moving process comprises the following steps: the movable supporting plate moves into the area to be detected under the forward movement of the roller by applying an acting force to the movable vehicle;
the transverse direction adjustment steps are as follows: the transverse motor provides power to enable the transverse driving wheel to rotate, the first transverse screw rod correspondingly rotates, the second transverse screw rod synchronously rotates through transmission of the first transverse conveying belt and the second transverse conveying belt, the first transverse screw rod and the second transverse screw rod simultaneously drive the transverse sliding rod to move along the transverse direction, the transverse sliding rod drives the detection assembly to move along the transverse direction, and the detection assembly obtains signal data in the transverse direction;
the longitudinal direction adjustment steps are as follows: the longitudinal motor provides power to enable the longitudinal driving wheel to rotate, the first longitudinal screw rod correspondingly rotates, the second longitudinal screw rod synchronously rotates through the transmission of the first longitudinal conveying belt and the second longitudinal conveying belt, the first longitudinal screw rod and the second longitudinal screw rod simultaneously drive the longitudinal sliding rod to move along the longitudinal direction, the longitudinal sliding rod drives the detection assembly to move along the longitudinal direction, and the detection assembly obtains signal data in the longitudinal direction;
the coverage detection in the area to be detected is completed through the movement in the longitudinal direction and the transverse direction, and the site with the strongest obtained signal value is marked as a first determination detection point and is marked;
in the area to be detected, the other site marked with the strongest signal value can be obtained through the steps as a second determination detection point; the straight line direction formed by connecting the first determining detecting point and the second determining detecting point is the arrangement trend of the pipeline.
In a preferred embodiment, the method comprises the following steps:
determining a first mark site of a first signal value with strongest signal of the pipeline detector in the transverse direction along a first straight line through the transverse direction adjusting step;
determining a second mark point of a second signal value with the strongest signal of the pipeline detector in the longitudinal direction along a second straight line through the longitudinal direction adjusting step;
the first straight line and the second straight line are intersected at an intersection point, the pipeline detector is firstly moved to the position of the intersection point, the intersection point faces the first marking point to be in a transverse positive direction, the intersection point faces the second marking point to be in a longitudinal positive direction, the pipeline detector moves at a first transverse speed in the transverse positive direction, meanwhile, the pipeline detector moves at a first longitudinal speed in the longitudinal positive direction, the ratio of the first transverse speed to the first longitudinal speed is the same as the ratio of the first signal value to the second signal value, and finally the pipeline detector moves in a slanting way along a certain straight line direction between the first straight line and the second straight line; and the signal value with the strongest signal is obtained as the final marker locus in the process of moving in the diagonal direction.
In a preferred embodiment, the method comprises the following steps:
the pipeline detector is enabled to find a final marking site in a region to be detected through the matching of the transverse driving assembly and the longitudinal driving assembly;
when the pigment roller is in an initial position, the overturning frame is in an inclined placement state, the telescopic spring is in a natural stretching state or a stretching state, one side, far away from the hinged shaft rod, of the overturning frame is in a relatively high position, and at the moment, the marking column is positioned on the upper part of the pigment roller and is attached to the pigment roller;
when a mark is required to be marked on a mark position, the pushing structure drives the lifting rod to move downwards, the lifting rod drives the mark column to move downwards, part of pigment on the pigment roller can be scraped when the mark column moves downwards, the mark column continues to move downwards and is pressed on the ground below, so that pigment residues at the bottom of the mark column are marked on the ground, and an observable mark position is formed; simultaneously, the overturning frame is driven by the pigment roller to rotate downwards by taking the hinged shaft lever as a rotating shaft, and the telescopic spring is in a stretching state; after the marking column moves downwards, the telescopic spring automatically drives the overturning frame to reset.
The pigment roller is provided with an inkpad layer, the lower end of the marking column is provided with a flexible sponge layer, and the flexible sponge layer is used for scraping a part of inkpad in contact with the inkpad layer; the detection method comprises the following steps: when the marking column moves downwards, the flexible sponge layer can be contacted with the inkpad layer and scrape a part of pigment, and when the flexible sponge layer is contacted with the ground, the marking is pressed on the ground to form visible marking sites.
In a preferred scheme, the pushing structure is a pushing cylinder structure, and the pushing cylinder structure is connected with the lifting rod; or the pushing structure is a pressing column, and the pressing column is connected with the reset spring; the detection method comprises the following steps: the lifting rod is driven to lift through the telescopic rod under the pushing action of the pushing cylinder structure; or the pressing column and the lifting rod are driven to move downwards in a manual pressing mode, and after the pressing acting force is lost, the lifting rod is driven to automatically reset under the action of the reset spring.
In a preferred embodiment, the marking posts form pit structures on soft ground, the pit structures forming marking sites.
Drawings
Fig. 1 is a schematic structural view of an underground pipeline inspection device for building construction according to the present invention.
Fig. 2 is a schematic view of the main view angle structure of the underground pipeline for building construction of the present invention.
Fig. 3 is a schematic plan view angle structure of the underground pipeline for building construction of the present invention.
Fig. 4 is a schematic view of a partial structure of an underground pipeline inspection device for construction of the present invention.
Fig. 5 is a schematic view of a part of the components of the underground pipeline inspection device for building construction according to the present invention.
Fig. 6 is a schematic structural view of the marking assembly of the underground pipeline inspection device for construction of the present invention.
Fig. 7 is a schematic view of a second embodiment of the underground pipeline inspection device for construction of the present invention.
Detailed Description
First embodiment:
as shown in fig. 1 to 4, the present invention provides an underground pipeline inspection device for construction, which comprises a moving vehicle 10, a transverse driving assembly 20, a longitudinal moving assembly 40 and an inspection assembly 60.
The traveling carriage 10 has a traveling support plate 11 and rollers 12.
The transverse driving assembly 20 is provided with a transverse motor 21, a transverse driving wheel 22, a first transverse screw rod 23, a second transverse screw rod 24, a first transverse driven wheel 25, a second transverse driven wheel 26, a first transverse conveyor belt 27, a second transverse conveyor belt 28 and a transverse sliding rod 29, wherein the transverse motor 21 is in driving connection with the transverse driving wheel 22, two ends of the first transverse screw rod 23 are respectively provided with a group of first transverse driven wheels 25, two ends of the second transverse screw rod 24 are respectively provided with a group of second transverse driven wheels 26, the first transverse driven wheels 25 and the second transverse driven wheels 26 of the first group are connected through the first transverse conveyor belt 27, the second transverse driven wheels 26 and the second transverse driven wheels 26 of the second group are connected through the second transverse conveyor belt 28, the transverse driving wheel 22 is connected with the first transverse driven wheels 25, and two ends of the transverse sliding rod 29 are respectively sleeved on the first transverse screw rod 23 and the second transverse screw rod 24;
the longitudinal moving assembly 40 is provided with a longitudinal motor 41, a longitudinal driving wheel 42, a first longitudinal screw rod 43, a second longitudinal screw rod 44, a first longitudinal driven wheel 45, a second longitudinal driven wheel 46, a first longitudinal conveyor belt 47, a second longitudinal conveyor belt 48 and a longitudinal sliding rod 49, wherein the longitudinal motor 41 is in driving connection with the longitudinal driving wheel 42, two ends of the first longitudinal screw rod 43 are respectively provided with a group of first longitudinal driven wheels 45, two ends of the second longitudinal screw rod 44 are respectively provided with a group of second longitudinal driven wheels 46, the first longitudinal driven wheels 45 and the second longitudinal driven wheels 46 of the first group are connected through the first longitudinal conveyor belt 47, the second longitudinal driven wheels 46 and the second longitudinal driven wheels 46 of the second group are connected through the second longitudinal conveyor belt 48, the longitudinal driving wheel 42 is connected with the first longitudinal driven wheels 45, and two ends of the longitudinal sliding rod 49 are respectively sleeved on the first longitudinal screw rod 43 and the second longitudinal screw rod 44;
the detecting assembly 60 comprises a fixed body 61, a pipeline detector 62 and a controller, wherein the fixed body 61 is provided with a transverse perforation 63 and a longitudinal perforation 64, the transverse sliding rod 29 passes through the transverse perforation 63, the longitudinal sliding rod 49 passes through the longitudinal perforation 64, the pipeline detector 62 is connected to the fixed body 61, and the detecting part of the pipeline detector 62 is positioned at the lower end of the fixed body 61; the controller is in signal communication with the pipeline inspection device 62, the truck 10, the lateral drive assembly 20, and the longitudinal movement assembly 40.
The invention provides a detection method of an underground pipeline detection device for building construction, which comprises the following steps:
the whole moving process comprises the following steps: by applying a force to the mobile vehicle 10, the force can be applied by an operator or provided by other power modes, so that the mobile supporting plate 11 moves into a region to be detected under the forward movement of the roller 12, and the mobile vehicle 10 can be moved to different regions for detection under the control action of the controller;
the transverse direction adjustment steps are as follows: the transverse motor 21 provides power to enable the transverse driving wheel 22 to rotate, the first transverse screw rod 23 correspondingly rotates, the second transverse screw rod 24 synchronously rotates through the transmission of the first transverse conveying belt 27 and the second transverse conveying belt 28, the first transverse screw rod 23 and the second transverse screw rod 24 simultaneously drive the transverse sliding rod 29 to move along the transverse direction, the transverse sliding rod 29 drives the detection assembly 60 to move along the transverse direction, the detection assembly 60 obtains signal data in the transverse direction, and the signal data are transmitted to the controller for analysis;
the longitudinal direction adjustment steps are as follows: the longitudinal motor 41 provides power to enable the longitudinal driving wheel 42 to rotate, the first longitudinal screw rod 43 correspondingly rotates, the second longitudinal screw rod 44 synchronously rotates through the transmission of the first longitudinal conveying belt 47 and the second longitudinal conveying belt 48, the first longitudinal screw rod 43 and the second longitudinal screw rod 44 simultaneously drive the longitudinal sliding rod 49 to move along the longitudinal direction, the longitudinal sliding rod 49 drives the detection assembly 60 to move along the longitudinal direction, the detection assembly 60 obtains signal data in the longitudinal direction, and the signal data are transmitted to the controller for analysis;
the coverage detection in the area to be detected is completed through the movement in the longitudinal direction and the transverse direction, and the site with the strongest obtained signal value is marked as a first determination detection point and marked through the analysis process of the controller. Thus, the purpose of detecting the marker loci is realized through an automatic detection function; in the area to be detected, the other site marked with the strongest signal value can be obtained through the steps as a second determination detection point; the straight line direction formed by connecting the first determining detecting point and the second determining detecting point is the arrangement trend of the pipeline. After the basic course of the lines has been determined, it is thus possible to avoid touching them during construction.
Second embodiment:
in a more preferred method, it comprises the steps of:
when the transverse driving assembly 20 and the longitudinal moving assembly 40 perform driving operation simultaneously, the detecting assembly can perform oblique line movement, and the oblique line movement direction is controlled by the passing rate of the transverse driving assembly 20 and the longitudinal moving assembly 40.
As shown in fig. 7, by the step of adjusting in the transverse direction, a first marker locus 92 of the strongest first signal value of the line detector 62 in the transverse direction is determined along a first straight line 91;
determining a second marker point 94 of the second signal value of the line detector 62 with the strongest signal in the longitudinal direction along a second straight line 93 by means of the adjustment step in the longitudinal direction;
the first straight line 91 and the second straight line 93 intersect at an intersection locus 95, the pipeline detector 62 is moved to the position of the intersection locus 95, the intersection locus 95 faces the first marking locus 92 to be in a transverse positive direction, the intersection locus 95 faces the second marking locus 94 to be in a longitudinal positive direction, the pipeline detector 62 moves at a first transverse speed V1 in the transverse positive direction, the pipeline detector 62 moves at a first longitudinal speed V2 in the longitudinal positive direction, the ratio of the first transverse speed V1 to the first longitudinal speed V2 is the same as the ratio of the first signal value to the second signal value, and finally the pipeline detector 62 moves in a sloping way along a certain straight line direction 97 between the first straight line 91 and the second straight line 93; and the signal value with the strongest signal is obtained during the diagonal movement as the final marker locus 96.
The detection method does not cover the whole area, but randomly determines a strongest signal point, namely a first marking site and a second marking site through a transverse movement and a longitudinal movement, then finds the crossing site, and determines the moving speed of the pipeline detector through the crossing site and combining the intensity proportion of the first signal value and the second signal value, so that the pipeline detector can be driven simultaneously through the combined driving action of the transverse driving component and the longitudinal movement component, namely the pipeline detector moves along the straight line direction 97, and the strongest signal point is found on the line, namely the final marked point.
Third embodiment:
as shown in fig. 5 and 6, the apparatus provided in this embodiment includes a marking assembly 70, the marking assembly 70 being disposed on the fixed body 61, the marking assembly 70 being disposed adjacent to the pipeline finder 62. The marking assembly 70 has a fixed plate 71, a hinge shaft 72, a connecting rod 73, a flip frame 74, a telescopic spring 75, a paint roller 76, a lifter 77, a pushing structure 78, and a marking post 79. The top of fixed plate 71 is connected on fixed body 61, and the upper end of upset frame 74 is connected on articulated axostylus axostyle 72, and the top of extension spring 75 is connected on fixed plate 71, and the lower extreme of extension spring 75 is connected on connecting rod 73, and connecting rod 73 is fixed on upset frame 74, and the bottom of upset frame 74 sets up pigment roller 76. The pushing structure 78 is connected with the lifting rod 77, the lower end of the lifting rod 77 is connected with the marking column 79, and the pushing structure 78 is used for driving the marking column 79 to perform lifting movement and enabling the marking column 79 to be in contact with the pigment roller 76 and driving the overturning frame 74 to overturn in the movement process. Preferably, the paint roller 76 has an ink layer thereon, and the lower ends of the marking posts 79 have a flexible sponge layer for scraping a portion of the ink in contact with the ink layer to better form a mark on the floor.
The cooperation of the lateral drive assembly 20 and the longitudinal drive assembly 40 allows the line detector 62 to find the final marker loci in the area to be detected.
At the initial position, the overturning frame 74 is in an inclined state, the telescopic spring 75 is in a natural stretching state or a stretching state, one side of the overturning frame 74, which is far away from the hinge shaft lever 72, is in a relatively high position, and at the moment, the marking column 79 is positioned at the upper part of the pigment roller 76 and the marking column 79 is attached to the pigment roller 76;
when the marking site is required to be marked, the pushing structure 78 drives the lifting rod 77 to move downwards, the lifting rod 77 drives the marking column 79 to move downwards, and when the marking column 79 moves downwards, a part of pigment on the pigment roller 76 is scraped, the marking column 79 continues to move downwards and presses on the ground below, so that pigment residues at the bottom of the marking column 79 are marked on the ground to form an observable marking site; meanwhile, the turnover frame 74 rotates downwards by taking the hinged shaft lever 72 as a rotation shaft under the drive of the pigment roller 76, and the telescopic spring 75 is in a stretched state; after the mark column 79 moves upwards, the telescopic spring 75 automatically drives the turnover frame 74 to reset.
The pigment roller 76 is provided with an inkpad layer, the lower end of the marking column 79 is provided with a flexible sponge layer, and the flexible sponge layer is used for scraping a part of inkpad in contact with the inkpad layer; the detection method comprises the following steps: when the marking post 79 moves downward, the flexible sponge layer contacts the inkpad layer and scrapes a portion of the pigment, and when the flexible sponge layer contacts the ground, the marking is performed on the ground to form a visible marking point. Preferably, the mobile cart, the lateral drive assembly and the longitudinal movement assembly of the present invention operate using battery direct current.
Fourth embodiment:
the pushing structure 78 of the device provided by the embodiment is a pushing cylinder structure, and the pushing cylinder structure is connected with the lifting rod 77; or the pushing structure 78 is a pressing column, and the pressing column is connected with the reset spring, that is, the pressing process of the pushing structure 78 is realized by manual pressing.
The detection method comprises the following steps: the lifting rod 77 is driven to lift by the telescopic rod under the pushing action of the pushing cylinder structure; or the pressing column and the lifting rod 77 are driven to move downwards in a manual pressing mode, and after the pressing acting force is lost, the lifting rod 77 is driven to automatically reset under the action of the reset spring. On soft ground, the marking posts 79 will form pit structures that form marking sites, i.e. the pit structures and pigment marks cooperate with each other to achieve a better marking effect.
In other embodiments, the pipeline detector comprises a signal receiver and a signal generator, wherein the signal generator is used for loading an electromagnetic wave to be detected with alternating current, the signal receiver is used for receiving an electromagnetic wave signal and transmitting the electromagnetic wave signal to the controller for analyzing signal change, and the signal is strongest when the signal receiver is positioned at a position right above the pipeline;
the controller is provided with an area movement limiting module, and the area movement limiting module limits the detection assembly to move within a certain area range through the transverse driving assembly and the longitudinal movement assembly. It should be noted that the pipeline may specifically refer to a cable or a cable arranged in a pipe.
Claims (9)
1. An underground pipeline detection device for building construction, which is characterized by comprising:
the mobile vehicle is provided with a mobile supporting plate and rollers;
the transverse driving assembly is provided with a transverse motor, a transverse driving wheel, a first transverse screw rod, a second transverse screw rod, a first transverse driven wheel, a second transverse driven wheel, a first transverse conveying belt, a second transverse conveying belt and a transverse sliding rod, wherein the transverse motor is in driving connection with the transverse driving wheel, two ends of the first transverse screw rod are respectively provided with a group of first transverse driven wheels, two ends of the second transverse screw rod are respectively provided with a group of second transverse driven wheels, the first transverse driven wheels and the second transverse driven wheels of the first group are connected through the first transverse conveying belt, the second transverse driven wheels and the second transverse driven wheels of the second group are connected through the second transverse conveying belt, the transverse driving wheel is connected with the first transverse driven wheels, and two ends of the transverse sliding rod are respectively sleeved on the first transverse screw rod and the second transverse screw rod;
the longitudinal moving assembly is provided with a longitudinal motor, a longitudinal driving wheel, a first longitudinal screw rod, a second longitudinal screw rod, a first longitudinal driven wheel, a second longitudinal driven wheel, a first longitudinal conveying belt, a second longitudinal conveying belt and a longitudinal sliding rod, wherein the longitudinal motor is in driving connection with the longitudinal driving wheel;
the detection assembly is provided with a fixed body, a pipeline detector and a controller, wherein the fixed body is provided with a transverse perforation and a longitudinal perforation, the transverse sliding rod passes through the transverse perforation, the longitudinal sliding rod passes through the longitudinal perforation, the pipeline detector is connected with the fixed body, and the detection part of the pipeline detector is positioned at the lower end of the fixed body; the controller is in signal connection with the pipeline detector, the moving vehicle, the transverse driving component and the longitudinal moving component;
the marking component is arranged on the fixed body and is arranged at the adjacent position of the pipeline detector; the marking assembly is provided with a fixed plate, a hinged shaft lever, a connecting rod, a turnover frame, a telescopic spring, a pigment roller, a lifting rod, a pushing structure and a marking column; the top of the fixed plate is connected to the fixed body, the upper end of the turnover frame is connected to the hinged shaft rod, the top end of the telescopic spring is connected to the fixed plate, the lower end of the telescopic spring is connected to the connecting rod, the connecting rod is fixed to the turnover frame, and the pigment roller is arranged at the bottom of the turnover frame; the pushing structure is connected with the lifting rod, the lower end of the lifting rod is connected with the marking column, and the pushing structure is used for driving the marking column to conduct lifting movement and enabling the marking column to be in contact with the pigment roller and driving the overturning frame to overturn in the movement process.
2. The underground pipeline detection device for building construction according to claim 1, wherein the pigment roller is provided with an inkpad layer, the lower end of the marking column is provided with a flexible sponge layer, and the flexible sponge layer is used for scraping a part of inkpad in contact with the inkpad layer.
3. The underground pipeline detection device for building construction according to claim 1, wherein the pushing structure is a pushing cylinder structure, and the pushing cylinder structure is connected with the lifting rod; or the pushing structure is a pressing column, and the pressing column is connected with the reset spring;
the pipeline detector comprises a signal receiver and a signal generator, wherein the signal generator is used for loading an alternating current to-be-detected pipeline to cause electromagnetic waves, the signal receiver is used for receiving electromagnetic wave signals and transmitting the electromagnetic wave signals to the controller for analyzing signal changes, and the signal is strongest when the signal receiver is positioned at a position right above the pipeline;
the controller has an area movement limiting module that limits movement of the detection assembly over an area by the lateral drive assembly and the longitudinal movement assembly.
4. A detection method of an underground pipeline detection device for building construction according to any one of claims 1 to 3, comprising the steps of:
the whole moving process comprises the following steps: the movable supporting plate moves into the area to be detected under the forward movement of the roller by applying an acting force to the movable vehicle;
the transverse direction adjustment steps are as follows: the transverse motor provides power to enable the transverse driving wheel to rotate, the first transverse screw rod correspondingly rotates, the second transverse screw rod synchronously rotates through transmission of the first transverse conveying belt and the second transverse conveying belt, the first transverse screw rod and the second transverse screw rod simultaneously drive the transverse sliding rod to move along the transverse direction, the transverse sliding rod drives the detection assembly to move along the transverse direction, and the detection assembly obtains signal data in the transverse direction;
the longitudinal direction adjustment steps are as follows: the longitudinal motor provides power to enable the longitudinal driving wheel to rotate, the first longitudinal screw rod correspondingly rotates, the second longitudinal screw rod synchronously rotates through the transmission of the first longitudinal conveying belt and the second longitudinal conveying belt, the first longitudinal screw rod and the second longitudinal screw rod simultaneously drive the longitudinal sliding rod to move along the longitudinal direction, the longitudinal sliding rod drives the detection assembly to move along the longitudinal direction, and the detection assembly obtains signal data in the longitudinal direction;
the coverage detection in the area to be detected is completed through the movement in the longitudinal direction and the transverse direction, and the site with the strongest obtained signal value is marked as a first determination detection point and is marked;
in the area to be detected, the other site marked with the strongest signal value can be obtained through the steps as a second determination detection point; the straight line direction formed by connecting the first determining detecting point and the second determining detecting point is the arrangement trend of the pipeline.
5. The method of probing as recited in claim 4 including the steps of:
determining a first mark site of a first signal value with strongest signal of the pipeline detector in the transverse direction along a first straight line through the transverse direction adjusting step;
determining a second mark point of a second signal value with the strongest signal of the pipeline detector in the longitudinal direction along a second straight line through the longitudinal direction adjusting step;
the first straight line and the second straight line are intersected at an intersection point, the pipeline detector is firstly moved to the position of the intersection point, the intersection point faces the first marking point to be in a transverse positive direction, the intersection point faces the second marking point to be in a longitudinal positive direction, the pipeline detector moves at a first transverse speed in the transverse positive direction, meanwhile, the pipeline detector moves at a first longitudinal speed in the longitudinal positive direction, the ratio of the first transverse speed to the first longitudinal speed is the same as the ratio of the first signal value to the second signal value, and finally the pipeline detector moves in a slanting way along a certain straight line direction between the first straight line and the second straight line; and the signal value with the strongest signal is obtained as the final marker locus in the process of moving in the diagonal direction.
6. The method of probing as recited in claim 4 including the steps of:
the pipeline detector is enabled to find a final marking site in a region to be detected through the matching of the transverse driving assembly and the longitudinal driving assembly;
when the pigment roller is in an initial position, the overturning frame is in an inclined placement state, the telescopic spring is in a natural stretching state or a stretching state, one side, far away from the hinged shaft rod, of the overturning frame is in a relatively high position, and at the moment, the marking column is positioned on the upper part of the pigment roller and is attached to the pigment roller;
when a mark is required to be marked on a mark position, the pushing structure drives the lifting rod to move downwards, the lifting rod drives the mark column to move downwards, part of pigment on the pigment roller can be scraped when the mark column moves downwards, the mark column continues to move downwards and is pressed on the ground below, so that pigment residues at the bottom of the mark column are marked on the ground, and an observable mark position is formed; simultaneously, the overturning frame is driven by the pigment roller to rotate downwards by taking the hinged shaft lever as a rotating shaft, and the telescopic spring is in a stretching state; after the marking column moves upwards, the telescopic spring automatically drives the overturning frame to reset.
7. The detection method according to claim 6, wherein the pigment roller is provided with an inkpad layer, the lower end of the marking column is provided with a flexible sponge layer, and the flexible sponge layer is used for scraping a part of inkpad in contact with the inkpad layer; the detection method comprises the following steps: when the marking column moves downwards, the flexible sponge layer can be contacted with the inkpad layer and scrape a part of pigment, and when the flexible sponge layer is contacted with the ground, the marking is pressed on the ground to form visible marking sites.
8. The detection method according to claim 7, wherein the pushing structure is a pushing cylinder structure, and the pushing cylinder structure is connected with the lifting rod; or the pushing structure is a pressing column, and the pressing column is connected with the reset spring; the detection method comprises the following steps: the lifting rod is driven to lift through the telescopic rod under the pushing action of the pushing cylinder structure; or the pressing column and the lifting rod are driven to move downwards in a manual pressing mode, and after the pressing acting force is lost, the lifting rod is driven to automatically reset under the action of the reset spring.
9. The method of claim 8, wherein the marker post forms a pit structure on a soft ground surface, the pit structure forming a marker locus.
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