CN111306451B - Tap water pipeline leakage detection device and detection method - Google Patents
Tap water pipeline leakage detection device and detection method Download PDFInfo
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- CN111306451B CN111306451B CN202010187875.2A CN202010187875A CN111306451B CN 111306451 B CN111306451 B CN 111306451B CN 202010187875 A CN202010187875 A CN 202010187875A CN 111306451 B CN111306451 B CN 111306451B
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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
- F17D5/02—Preventing, monitoring, or locating loss
- F17D5/06—Preventing, monitoring, or locating loss using electric or acoustic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
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Abstract
The invention belongs to the technical field of pipeline leakage detection, and particularly relates to a tap water pipeline leakage detection device and a detection method; the tap water pipeline leakage detection device comprises a base, a display and a detection unit; the detection unit comprises a handle, a display ring, a first hinge rod and a detection ring; the leakage of the pipeline is detected through the matching of the base, the display and the detection unit; when the certain pressure of surveying the ring is different with the average value, the sensor can be with signal transmission to showing the ring, make to show that the ring corresponds the department and carries out the alarm and show, thereby make the staff judge the leakage position of pipeline through the alarm that shows the ring, and show the ring and continue data transfer to display department, show the concrete pressure value of pipeline leakage department through the display, help the staff to know the concrete leakage condition of pipeline, thereby select concrete repair method, brought very big facility for the staff.
Description
Technical Field
The invention belongs to the technical field of pipeline leakage detection, and particularly relates to a tap water pipeline leakage detection device and a detection method.
Background
The water pipe is a water supply pipeline, modern decoration water pipes are constructed in a wall-buried mode, the water pipes are classified into three types, and the first type is a metal pipe, such as a hot-dip cast iron pipe with inner enamel plastics, a copper pipe, a stainless steel pipe and the like. The second type is plastic-clad metal pipes, such as plastic-clad steel pipes, aluminum-plastic composite pipes and the like. The third type is plastic tubes such as PB, PP-R, etc. Urban water supply networks are the material foundation on which cities rely for survival and development, called "lifelines" of cities, whose normal operation and efficient operation have become one of the important prerequisites for cities to remain alive. From the perspective of enterprise operation, the enhancement of leakage control of a water supply network is an important premise for improving the operation management level, reducing the water supply cost and increasing the economic benefit; from the viewpoint of macroscopic policy requirements, the good leakage control is a subject of ensuring the safety of urban water supply, and is also a necessary way for realizing water resource protection and sustainable utilization.
Some technical solutions related to a pipe leakage detection device also appear in the prior art, for example, a laboratory pipe leakage radar detection test device and method disclosed in chinese patent with application number 2017112009547, include: the experimental filler is filled to the test groove, and the apron, the drainage bed course, the aqueduct, the simulation water pipe of being connected with the running water pipe network in the test groove, the position that lies in the test groove center on the simulation water pipe sets up a simulation and lets out the dew point, is equipped with energy dissipation flow control mechanism on the simulation lets out the dew point. The invention forms a simulated leakage process which is very similar to a real leakage point by arranging the test groove, the simulated water pipe in the test groove and the simulated leakage point with the energy dissipation flow regulating mechanism, and simulates the water infiltration process of a field prototype under the infinite boundary condition by using the drainage cushion layer, thereby achieving the simulation state of simulating the leakage of the real tap water pipe network and being capable of carrying out a field simulation experiment in a laboratory. The experimental device and the method can achieve very accurate radar detection data, and have great significance for relevant research and analysis work of radar detection tap water pipe network; but this detection device can't adapt to the leakage detection of water pipe, because water pipe's installation is buried underground more, when water pipe took place to leak, the adhesion was on water pipe lateral wall after the earth of water pipe lateral wall will absorb water, thereby influence the detection effect to water pipe, and after the leakage scope of water pipe was confirmed, if water pipe's leakage position when being close to the lateral wall of ground bottom, can increase the definite degree of difficulty and the detection effect to the accurate leakage position of pipeline.
Disclosure of Invention
In order to make up for the defects of the prior art, the problems that the tap water pipe is mostly buried underground, when the tap water pipe leaks water, soil on the outer side wall of the tap water pipe absorbs water and then adheres to the outer side wall of the tap water pipe, so that the detection effect on the tap water pipe is influenced, and after the leakage range of the tap water pipe is determined, if the leakage position of the tap water pipe is on the side wall close to the ground bottom, the difficulty in determining the accurate leakage position of the pipeline and the detection effect are increased are solved; the invention provides a tap water pipeline leakage detection device and a detection method.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a tap water pipeline leakage detection device, which comprises a base, a display and a detection unit, wherein the display is arranged on the base; the display is mounted on the base; the detection unit comprises a handle, a display ring, a first hinge rod and a detection ring; the display rings are symmetrically arranged at the top ends of the first hinge rods; the handle is arranged on the side wall of the top end of the display ring; the detection ring is arranged at the bottom end of the first hinge rod, a plurality of pressure sensors are uniformly distributed on the inner side wall of the detection ring, a rubber bag is arranged at the end part of the detection ring, and an arc-shaped piston cylinder is arranged on the outer side wall of the detection ring close to the first hinge rod; the arc-shaped piston cylinder is connected with a piston rod in a sliding mode and is communicated with the rubber bag through a hose; the end part of the piston rod is provided with a clamping block, and the clamping block is provided with a slot and an inserting block at the corresponding position; the leakage of the pipeline is detected through the matching of the base, the display and the detection unit; when the device works, when the leakage condition of the pipeline needs to be detected, the ground humidity and the water pressure condition are firstly determined to determine the approximate range of the leakage of the pipeline, the ground in the determined range is excavated, the leakage position is determined, at the moment, a worker opens the first hinge rod through the handle until the detection ring is positioned on the outer side wall of the pipeline, at the moment, the worker clamps the first hinge rod through the handle, so that the distance between the detection ring and the pipeline is reduced, until the detection ring is contacted with the outer side wall of the pipeline, at the moment, the rubber bags are also contacted and extruded mutually, the internal gas of the rubber bags is transferred into the arc piston cylinder through the hose after being pressed, so that the piston rod is pressed to slide out from the arc piston cylinder, in the process of sliding out the piston rod, the slots and the insertion blocks on the corresponding clamping blocks at the two positions are driven to be in interference fit with each other, after surveying the ring and blocking the pipeline lateral wall, make pressure sensor circular telegram, the inspection pipeline surface pressure value, and pressure sensor transmits the pressure value to demonstration ring department, some pressure when surveying the ring is different with the average value, the sensor can be with signal transmission to demonstration ring, make demonstration ring correspond the department and carry out the alarm display, thereby make the staff judge the leakage position of pipeline through the alarm of demonstration ring, and show the ring and continue data transfer to display department, show the concrete pressure value of pipeline leakage department through the display, help the staff to know the concrete leakage condition of pipeline, thereby select concrete repair method, it is very big easy to have brought for the staff, and reduce the detection degree of difficulty to pipeline leakage.
Preferably, the inner side wall of the first hinge rod is symmetrically hinged with a second hinge rod, the side wall of the second hinge rod is connected with the side wall of the first hinge rod through a spring, and the center of the second hinge rod is hinged with a support; arc-shaped sponge plates are symmetrically hinged to the bottom end of the support; the surface of the pipeline is cleaned before detection through the cooperation of the second hinge rod, the bracket and the arc-shaped sponge plate; when the pipeline leakage detection device works, a worker opens the first hinge rod through the handle until the detection ring is positioned on the outer side wall of the pipeline, then the worker clamps the first hinge rod through the handle, so that the distance between the detection ring and the pipeline is reduced, leakage detection is carried out until the detection ring is contacted with the outer side wall of the pipeline, in the clamping process of the first hinge rod, before the detection ring is contacted with the pipeline, the second hinge rod drives the arc-shaped sponge plate to be contacted with the surface of the pipeline, when the pipeline leaks water, soil on the outer side wall of the pipeline absorbs water and then adheres to the outer side wall of the pipeline, so that a gap is generated between the outer side wall of the pipeline and the pressure sensor, pressure judgment is influenced, therefore, when the arc-shaped sponge plate is contacted with the surface of the pipeline firstly, the surface of the pipeline can be cleaned through water overflowing from the surface of a tap water pipe, and the first hinge rod is clamped continuously, no. two hinge bars can drive the arc sponge board and rise, contact each other after breaking away from the pipeline until the arc sponge board, detect the ring and just can press from both sides tight pipeline surface afterwards and survey this moment, thereby detection device's whole result of use has further been guaranteed, avoided the staff still need clean the pipeline earlier before surveying, brought very big convenience for the staff, effectively avoid earth to produce the separation between pipeline and detection ring simultaneously, thereby influence pressure sensor's response effect.
Preferably, a clamping unit is arranged in the rubber bag; the clamping unit comprises a third hinge rod, a pressing block and a push plate; two ends of the third hinge rod are connected to the inner side wall, close to the detection ring, of the rubber bag in a sliding mode through rollers; the pressing block is hinged at the central hinge position of the third hinge rod and is in contact with the inner side wall of the rubber bag; the push plate is arranged on the side wall of the rubber bag, which is in contact with the pipeline, and is in contact with the side wall of the third hinge rod, and a plurality of pressure sensors are uniformly distributed on the push plate, so that the pressure sensors penetrate through the outer side wall of the rubber bag; when the device works, when the leakage condition of the pipeline needs to be detected, the ground humidity and water pressure condition are determined firstly, the approximate range of the leakage of the pipeline is determined, the ground in the determined range is excavated, the leakage position is determined, at the moment, a worker opens the first hinge rod through the handle firstly until the detection ring is positioned on the outer side wall of the pipeline, at the moment, the worker clamps the first hinge rod through the handle, so that the distance between the detection ring and the pipeline is reduced until the detection ring is contacted with the outer side wall of the pipeline, at the moment, the rubber bags are also contacted with each other and extruded, the rubber bags extrude the pressing block after being pressed, so that the third hinge rod is extruded to rotate, the third hinge rod extrudes the push plate in the rotating process, so that the pressure sensor on the push plate is pushed out of the surface of the rubber bag to be contacted with the side wall of the pipeline close to the ground bottom, and the 360-degree surrounding, therefore, the detection effect on the dead angle position of the pipeline is solved, and the accuracy and the comprehensiveness of the detection effect are enhanced.
Preferably, a cavity is formed in the arc-shaped sponge plate; a first arc-shaped plate is arranged in the cavity, water-absorbent resin is filled between the first arc-shaped plate and the side wall of the arc-shaped sponge plate, and a plurality of T-shaped scraping blades are connected to the side wall of the first arc-shaped plate in a sliding manner; the cleaning effect on the surface of the pipeline is enhanced through the matching of the T-shaped scraping blade, the arc-shaped sponge plate and the first arc-shaped plate; when in work, before the detection ring is contacted with the pipeline, the second hinge rod drives the arc-shaped sponge plate to be contacted with the surface of the pipeline, because when the pipeline leaks water, soil on the outer side wall of the pipeline can be adhered to the outer side wall of the pipeline after absorbing water, so that a space can be generated between the outer side wall of the pipeline and the pressure sensor to influence pressure judgment, therefore, when the arc sponge plate is firstly contacted with the surface of the pipeline, the arc sponge plate can clean the surface of the pipeline through the water overflowing from the surface of the water pipe, in the cleaning process, the water-absorbing resin swells after absorbing water, so that the T-shaped scraping blade is pushed out of the cavity and then contacts with the outer side wall of the pipeline, the cleaning effect on the pipeline is enhanced, the problem that when the detection time is too long, the cleaning difficulty is increased after soil moisture on the surface of the pipeline runs off is avoided, therefore, the T-shaped scraping blade is in rigid contact with the side wall of the pipeline, the cleaning effect is improved, and the accuracy of pipeline leakage detection is further guaranteed.
Preferably, a second arc-shaped plate is arranged at a position, close to the position where the cavity is contacted with the pipeline, of the cavity, so that the T-shaped scraping blade is connected with the side wall of the second arc-shaped plate in a sliding mode, the second arc-shaped plate is magnetic, and the magnetism of the two symmetrical second arc-shaped plates is opposite; the protection effect on the T-shaped scraping blade is realized through the matching of the second arc-shaped plate, the T-shaped scraping blade and the arc-shaped sponge plate; when the device works, when the arc sponge plates are firstly contacted with the surface of a pipeline, the arc sponge plates can clean the surface of the pipeline through water overflowing from the surface of a tap water pipe, and along with the continuous clamping of the first hinge rod, the second hinge rod can drive the arc sponge plates to ascend until the arc sponge plates are separated from the pipeline and then contacted with each other, at the moment, the detection rings can clamp the surface of the pipeline to detect later, in the mutual contact process of the arc sponge plates, the T-shaped scraping blades can be abraded, so that the surfaces of the T-shaped scraping blades can be abraded, even the service life of the T-shaped scraping blades is influenced, therefore, the second arc plates are arranged at the positions, close to the contact part with the pipeline, of the cavity, and the two symmetrical second arc plates are opposite in magnetism, so that when the arc sponge plates are contacted with each other, the second arc plates can be elastically deformed under the action of magnetic force and are contacted with each other, thereby effectively avoiding the mutual contact between, further reduce unnecessary wearing and tearing that the T shape doctor-bar produced, reduce detection device's part replacement cost.
Preferably, the inner side wall of the arc-shaped sponge plate is wavy, so that sludge outside the pipeline is stored, and the cleaning effect on the pipeline is enhanced; the during operation, when the arc sponge board earlier with pipeline surface contact, the arc sponge board can clean the pipeline surface through the water that the water pipe surface spilled over, and along with the continuation of hinge bar presss from both sides tightly, No. two hinge bars can drive the arc sponge board and rise, contact each other after the arc sponge board breaks away from the pipeline, it just can press from both sides tight pipeline surface afterwards and survey to survey the ring this moment, because arc sponge inboard wall is the wave, thereby produce the clearance between pipeline and arc sponge board, make the earth that gets off from the pipeline clearance can save in the clearance, avoid repeatedly falling again on the pipeline surface after earth is cleared up by the arc sponge board, influence the clearance effect.
A tap water pipeline leakage detection method is suitable for the tap water pipeline leakage detection device and comprises the following steps:
s1: determining the water leakage condition of the pipeline, checking the pressure leakage condition of a pipeline pressure gauge, checking whether other water sources exist nearby the water leakage position, and observing whether the environment around the pipeline has obvious water accumulation and ground sinking phenomena or not, thereby specifically determining whether the pipeline leaks water or not;
s2: when it is determined that the pipeline itself leaks water through the step S1, the tap water pipeline leakage detecting device is used to detect the pipeline, so as to determine the concrete position of the pipeline leakage, if the pipeline buried distance is long or the direction is unknown, the pipeline direction needs to be detected by the underground pipeline detecting instrument, so as to determine the water cut-off range and the water cut-off direction of the pipeline;
s3: when passing through tap water pipeline leakage detection device detects out the concrete leakage position of pipeline, will be close to the nearest sluice gate in pipeline both ends and close to repair or change the pipeline, open pipeline both ends sluice gate again after waiting to accomplish for the running water circulates in the pipeline, rechecks the pipeline at this moment at last again, if there is not the condition of leaking, then the work is accomplished.
The invention has the following beneficial effects:
1. according to the tap water pipeline leakage detection device and detection method, pipeline leakage is detected through the cooperation of the base, the display and the detection unit, the pressure sensor transmits the pressure value to the display ring, when the pressure at a certain position of the detection ring is different from the average value, the sensor transmits a signal to the display ring, the corresponding position of the display ring is subjected to alarm display, a worker judges the leakage position of the pipeline through the alarm of the display ring, the display ring continuously transmits data to the display, the specific pressure value at the pipeline leakage position is displayed through the display, the worker is helped to know the specific leakage condition of the pipeline, the specific repair method is selected, great convenience is brought to the worker, and the detection difficulty of pipeline leakage is reduced.
2. According to the tap water pipeline leakage detection device and the detection method, the cleaning effect on the surface of the pipeline is enhanced through the matching of the T-shaped scraping blade, the arc-shaped sponge plate and the first arc-shaped plate, in the cleaning process, the water-absorbing resin expands after absorbing water, so that the T-shaped scraping blade is pushed out of the cavity and then contacts with the outer side wall of the pipeline, the cleaning effect on the pipeline is enhanced, the cleaning difficulty is increased after soil moisture on the surface of the pipeline runs off due to overlong detection time, the T-shaped scraping blade is in rigid contact with the side wall of the pipeline, the cleaning effect is increased, and the accuracy of pipeline leakage detection is further ensured.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a flow chart of a production process in the present invention;
FIG. 2 is a schematic structural diagram of a leakage detector for a water supply line according to the present invention;
FIG. 3 is a schematic view of the structure of a detecting unit according to the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a schematic structural view of an arc-shaped sponge plate according to the present invention;
FIG. 6 is a partial enlarged view of FIG. 5 at B;
in the figure: the detection device comprises a base 1, a display 2, a detection unit 3, a handle 31, a display ring 32, a first hinge rod 33, a detection ring 34, a rubber bag 35, an arc-shaped piston cylinder 36, a piston rod 361, a clamping block 362, a slot 363, an insertion block 364, a second hinge rod 37, a support 371, an arc-shaped sponge plate 372, a cavity 373, a first arc-shaped plate 374, a T-shaped scraping blade 375, a second arc-shaped plate 376, a clamping unit 4, a third hinge rod 41, a pressing block 42 and a pushing plate 43.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 6, the device for detecting leakage of a tap water pipe according to the present invention comprises a base 1, a display 2 and a detection unit 3; the display 2 is arranged on the base 1; the detection unit 3 comprises a handle 31, a display ring 32, a first hinge rod 33 and a detection ring 34; the display rings 32 are symmetrically arranged at the top ends of the first hinge rods 33; the handle 31 is arranged on the side wall of the top end of the display ring 32; the detection ring 34 is installed at the bottom end of the first hinge rod 33, a plurality of pressure sensors are uniformly distributed on the inner side wall of the detection ring 34, a rubber bag 35 is arranged at the end part of the detection ring 34, and an arc-shaped piston cylinder 36 is arranged on the outer side wall of the detection ring 34 close to the first hinge rod 33; a piston rod 361 is connected in the arc piston cylinder 36 in a sliding manner, and the arc piston cylinder 36 is communicated with the rubber bag 35 through a hose; a fixture block 362 is arranged at the end of the piston rod 361, and a slot 363 and an insertion block 364 are arranged at the corresponding position of the fixture block 362; the leakage of the pipeline is detected through the matching of the base 1, the display 2 and the detection unit 3; when the device works, when the leakage condition of the pipeline needs to be detected, the moisture and water pressure conditions of the ground are firstly determined to determine the approximate range of the leakage of the pipeline, the ground in the determined range is excavated, the leakage position is determined, at the moment, a worker opens the first hinge rod 33 through the handle 31 until the detection ring 34 is positioned on the outer side wall of the pipeline, at the moment, the worker clamps the first hinge rod 33 through the handle 31, so that the distance between the detection ring 34 and the pipeline is reduced until the detection ring 34 is contacted with the outer side wall of the pipeline, at the moment, the rubber bag 35 is also contacted and extruded mutually, after the rubber bag 35 is pressed, the internal gas is transmitted into the arc-shaped piston cylinder 36 through the hose, so that the piston rod 361 is pressed to slide out from the arc-shaped piston cylinder 36, and in the process that the piston rod 361 slides out, the insertion grooves 363 and the insertion blocks 364 on the, thereby further realize the fixed effect to surveying the ring 34 position, survey ring 34 and block behind the pipeline lateral wall, make pressure sensor circular telegram, check pipeline surface pressure value, and pressure sensor transmits the pressure value to display ring 32 department, when surveying the certain pressure of ring 34 and average value different, the sensor can be with signal transmission to display ring 32, make display ring 32 correspond the department and carry out the alarm display, thereby make the staff judge the leakage position of pipeline through the alarm of display ring 32, and display ring 32 continues to transmit data to display 2 departments, show the concrete pressure value of pipeline leakage department through display 2, help the staff to know the concrete leakage condition of pipeline, thereby select concrete repair method, brought very big facility for the staff, and reduce the detection degree of difficulty to pipeline leakage.
As an embodiment of the invention, the inner side wall of the first hinge rod 33 is symmetrically hinged with a second hinge rod 37, the side wall of the second hinge rod 37 is connected with the side wall of the first hinge rod 33 through a spring, and the second hinge rod 37 is hinged with a support 371 at the central hinge position; the bottom end of the support 371 is symmetrically hinged with arc-shaped sponge plates 372; the surface of the pipeline is cleaned before detection through the cooperation of the second hinge rod 37, the bracket 371 and the arc-shaped sponge plate 372; when the pipeline leakage detection device works, a worker opens the first hinge rod 33 through the handle 31 firstly until the detection ring 34 is positioned on the outer side wall of the pipeline, then the worker clamps the first hinge rod 33 through the handle 31, so that the distance between the detection ring 34 and the pipeline is reduced, leakage detection is carried out until the detection ring 34 is contacted with the outer side wall of the pipeline, in the clamping process of the first hinge rod 33, before the detection ring 34 is contacted with the pipeline, the second hinge rod 37 drives the arc-shaped sponge plate 372 to be contacted with the surface of the pipeline firstly, because when the pipeline leaks water, soil on the outer side wall of the pipeline absorbs water and then adheres to the outer side wall of the pipeline, a gap is generated between the outer side wall of the pipeline and a pressure sensor, pressure judgment is influenced, and therefore when the arc-shaped sponge plate 372 is contacted with the surface of the pipeline firstly, the surface of the pipeline can be cleaned through water overflowing from the surface of a water pipe, and along with continuation of an articulated arm 33 presss from both sides tightly, No. two articulated arms 37 can drive arc sponge board 372 and rise, contact each other after arc sponge board 372 breaks away from the pipeline, detect ring 34 this moment and just can press from both sides tight pipeline surface afterwards and survey, thereby detection device's whole result of use has further been guaranteed, avoided the staff still need clean the pipeline earlier before surveying, bring very big convenience for the staff, effectively avoid earth to produce the separation between pipeline and detection ring 34 simultaneously, thereby influence pressure sensor's response effect.
As an embodiment of the present invention, a clamping unit 4 is provided in the rubber bladder 35; the clamping unit 4 comprises a third hinge rod 41, a pressing block 42 and a push plate 43; two ends of the third hinge rod 41 are slidably connected to the inner side wall of the rubber bag 35 close to the detection ring 34 through rollers; the pressing block 42 is hinged at the central hinge position of the third hinge rod 41, and the pressing block 42 is contacted with the inner side wall of the rubber bag 35; the push plate 43 is arranged on the side wall of the rubber bag 35, which is in contact with the pipeline, the push plate 43 is in contact with the side wall of the third hinge rod 41, and a plurality of pressure sensors are uniformly distributed on the push plate 43, so that the pressure sensors penetrate through the outer side wall of the rubber bag 35; when the device works, when the leakage condition of the pipeline needs to be detected, the moisture and water pressure conditions of the ground are firstly determined to determine the approximate range of the leakage of the pipeline, the ground in the determined range is excavated, the leakage position is determined, at the moment, a worker opens the first hinge rod 33 through the handle 31 until the detection ring 34 is positioned on the outer side wall of the pipeline, at the moment, the worker clamps the first hinge rod 33 through the handle 31, so that the distance between the detection ring 34 and the pipeline is reduced until the detection ring 34 is contacted with the outer side wall of the pipeline, at the moment, the rubber bags 35 are also contacted and extruded mutually, the rubber bags 35 are pressed to extrude the pressing block 42, so that the third hinge rod 41 is rotated, the third hinge rod 41 extrudes the push plate 43 in the rotating process, so that the pressure sensor on the push plate 43 is pushed out of the surface of the rubber bag 35 to be contacted with the side wall of the pipeline close to the ground, the device realizes the surrounding and the detection of 360 degrees outside the pipeline, thereby solving the detection effect on the dead angle position of the pipeline and enhancing the accuracy and the comprehensiveness of the detection effect.
As an embodiment of the present invention, a cavity 373 is formed in the arc-shaped sponge plate 372; a first arc-shaped plate 374 is arranged in the cavity 373, water-absorbent resin is filled between the first arc-shaped plate 374 and the side wall of the arc-shaped sponge plate 372, and a plurality of T-shaped scraping blades 375 are connected to the side wall of the first arc-shaped plate 374 in a sliding manner; the cleaning effect on the surface of the pipeline is enhanced through the cooperation of the T-shaped scraping blade 375, the arc-shaped sponge plate 372 and the first arc-shaped plate 374; in operation, before the detection ring 34 contacts with the pipeline, the second hinge rod 37 drives the arc-shaped sponge plate 372 to contact with the surface of the pipeline, when the pipeline leaks water, soil on the outer side wall of the pipeline absorbs water and then adheres to the outer side wall of the pipeline, so that a space is generated between the outer side wall of the pipeline and the pressure sensor, and pressure judgment is affected, therefore, when the arc-shaped sponge plate 372 contacts with the surface of the pipeline, the arc-shaped sponge plate 372 can clean the surface of the pipeline through water overflowing from the surface of the tap water pipe, in the cleaning process, water-absorbing resin expands after absorbing water, so that the T-shaped scraper 375 is pushed out of the cavity 373 and then contacts with the outer side wall of the pipeline, the cleaning effect on the pipeline is enhanced, the problem that after the soil on the surface of the pipeline runs off due to overlong detection time is avoided, the cleaning difficulty is increased, and therefore, rigid contact with the side wall of the pipeline is, the accuracy of pipeline leakage detection is further guaranteed.
As an embodiment of the present invention, the cavity 373 is provided with a second arc-shaped plate 376 near the position contacting with the pipeline, so that the T-shaped wiper 375 is slidably connected to the side wall of the second arc-shaped plate 376 at the same time, the second arc-shaped plate 376 has magnetism, and the magnetism of the two symmetrical second arc-shaped plates 376 is opposite; the T-shaped scraping blade 375 is protected through the cooperation of the second arc-shaped plate 376, the T-shaped scraping blade 375 and the arc-shaped sponge plate 372; in operation, when the arc-shaped sponge plate 372 is in contact with the surface of the pipeline first, the arc-shaped sponge plate 372 can clean the surface of the pipeline through water overflowing from the surface of the tap water pipe, and with the continuous clamping of the first hinge rod 33, the second hinge rod 37 can drive the arc-shaped sponge plate 372 to ascend until the arc-shaped sponge plate 372 is in contact with the pipeline, the detection ring 34 can clamp the surface of the pipeline for detection later, in the process of the contact between the arc-shaped sponge plates 372, the T-shaped scraper 375 is abraded, so that the surface of the T-shaped scraper 375 is abraded, even the service life of the T-shaped scraper 375 is affected, therefore, the second arc-shaped plate 376 is arranged at the position where the cavity 373 is close to the pipeline, and the two symmetrical second arc-shaped plates 376 have opposite magnetism, so that when the arc-shaped sponge plates 372 are in contact with each other, the second arc-shaped sponge plate 376 can elastically deform under the action of magnetic force, and contact each other, thereby effectively avoiding the mutual contact between the T-shaped wiper blades 375, further reducing the unnecessary abrasion generated by the T-shaped wiper blades 375 and reducing the part replacement cost of the detecting device.
As an embodiment of the invention, the inner side wall of the arc-shaped sponge plate 372 is wavy, so that sludge outside the pipeline is stored, and the cleaning effect of the pipeline is enhanced; the during operation, when arc sponge board 372 earlier with pipeline surface contact, arc sponge board 372 can clean the pipeline surface through the water that the water pipe surface spilled over, and along with continuation clamp of an articulated arm 33 presss from both sides tightly, No. two articulated arms 37 can drive arc sponge board 372 and rise, contact each other after arc sponge board 372 breaks away from the pipeline, it just can press from both sides tight pipeline surface afterwards and survey to survey ring 34 this moment, because arc sponge board 372 inside wall is the wave, thereby produce the clearance between pipeline and arc sponge board 372, make the earth of following the pipeline clearance and getting off can save in the clearance, avoid repeatedly falling on the pipeline surface again after earth is cleared up by arc sponge board 372, influence the clearance effect.
When the device works, when the leakage condition of the pipeline needs to be detected, the moisture and water pressure conditions of the ground are firstly determined to determine the approximate range of the leakage of the pipeline, the ground in the determined range is excavated, the leakage position is determined, at the moment, a worker opens the first hinge rod 33 through the handle 31 until the detection ring 34 is positioned on the outer side wall of the pipeline, at the moment, the worker clamps the first hinge rod 33 through the handle 31, so that the distance between the detection ring 34 and the pipeline is reduced until the detection ring 34 is contacted with the outer side wall of the pipeline, at the moment, the rubber bag 35 is also contacted and extruded mutually, after the rubber bag 35 is pressed, the internal gas is transmitted into the arc-shaped piston cylinder 36 through the hose, so that the piston rod 361 is pressed to slide out from the arc-shaped piston cylinder 36, and in the process that the piston rod 361 slides out, the insertion grooves 363 and the insertion blocks 364 on the, therefore, the fixing effect of the position of the detection ring 34 is further realized, after the detection ring 34 clamps the outer side wall of the pipeline, the pressure sensor is electrified to check the surface pressure value of the pipeline, the pressure sensor transmits the pressure value to the display ring 32, when the pressure at a certain position of the detection ring 34 is different from the average value, the sensor transmits a signal to the display ring 32, the corresponding position of the display ring 32 is subjected to alarm display, a worker judges the leakage position of the pipeline through the alarm of the display ring 32, the display ring 32 continuously transmits data to the display 2, and the specific pressure value at the leakage position of the pipeline is displayed through the display 2, so that the worker is helped to know the specific leakage condition of the pipeline, the specific repairing method is selected, great convenience is brought to the worker, and the detection difficulty of the leakage loss of the pipeline is reduced; the staff opens the hinge rod 33 through the handle 31 first, until the detection ring 34 is located on the outer side wall of the pipeline, at this time, the staff makes the hinge rod 33 clamp through the handle 31, thereby reducing the distance between the detection ring 34 and the pipeline, until the detection ring 34 contacts with the outer side wall of the pipeline to detect leakage, in the process that the hinge rod 33 clamps, before the detection ring 34 contacts with the pipeline, the second hinge rod 37 drives the arc sponge plate 372 to contact with the surface of the pipeline first, because when the pipeline leaks water, the mud on the outer side wall of the pipeline absorbs water and then adheres to the outer side wall of the pipeline, thereby generating a gap between the outer side wall of the pipeline and a pressure sensor, and influencing pressure judgment, therefore when the arc sponge plate 372 contacts with the surface of the pipeline first, the arc sponge plate 372 can clean the surface of the pipeline through the water overflowing from the surface of the water pipe, with the continuous clamping of the first hinge rod 33, the second hinge rod 37 drives the arc-shaped sponge plate 372 to ascend until the arc-shaped sponge plate 372 is in contact with the pipeline, and the detection ring 34 can clamp the surface of the pipeline for detection later, so that the overall use effect of the detection device is further ensured, the condition that the pipeline needs to be cleaned before detection by workers is avoided, great convenience is brought to the workers, and meanwhile, the condition that soil is blocked between the pipeline and the detection ring 34 is effectively avoided, so that the sensing effect of the pressure sensor is influenced; when the pipeline leakage condition needs to be detected, the general range of the pipeline leakage is determined according to the moisture and water pressure conditions of the ground, the ground in the determined range is excavated, the leakage position is determined, at the moment, a worker opens the first hinge rod 33 through the handle 31 until the detection ring 34 is positioned on the outer side wall of the pipeline, at the moment, the worker clamps the first hinge rod 33 through the handle 31, so that the distance between the detection ring 34 and the pipeline is reduced until the detection ring 34 is contacted with the outer side wall of the pipeline, at the moment, the rubber bags 35 are also contacted and extruded with each other, the rubber bags 35 are pressed to extrude the pressing block 42, so that the third hinge rod 41 is rotated, the third hinge rod 41 extrudes the push plate 43 in the rotating process, so that the pressure sensor on the push plate 43 is pushed out of the surface of the rubber bag 35 to be contacted with the side wall of the pipeline close to the ground, and the 360-degree surrounding and detection of the outer side of the pipeline is, therefore, the detection effect on the dead angle position of the pipeline is solved, and the accuracy and the comprehensiveness of the detection effect are enhanced; before the detection ring 34 contacts with the pipeline, the second hinge rod 37 drives the arc-shaped sponge plate 372 to contact with the surface of the pipeline, when the pipeline leaks water, soil on the outer side wall of the pipeline can be adhered to the outer side wall of the pipeline after absorbing water, so that a space can be generated between the outer side wall of the pipeline and a pressure sensor, and pressure judgment is influenced, therefore, when the arc-shaped sponge plate 372 contacts with the surface of the pipeline firstly, the arc-shaped sponge plate 372 can clean the surface of the pipeline through water overflowing from the surface of a tap water pipe, in the cleaning process, water-absorbing resin expands after absorbing water, so that the T-shaped scraping blade 375 is pushed out of the cavity 373 to contact with the outer side wall of the pipeline, the cleaning effect on the pipeline is enhanced, the problem that when the detection time is too long, the cleaning difficulty is increased after water on the surface of the pipeline runs off is solved, and rigid contact with the side wall of the pipeline, the accuracy of pipeline leakage detection is further ensured; when the arc-shaped sponge plate 372 is firstly contacted with the surface of a pipeline, the arc-shaped sponge plate 372 can clean the surface of the pipeline through water overflowing from the surface of a tap water pipe, and with the continuous clamping of the first hinge rod 33, the second hinge rod 37 can drive the arc-shaped sponge plate 372 to ascend until the arc-shaped sponge plate 372 is contacted with the pipeline after being separated from the pipeline, at the moment, the detection ring 34 can clamp the surface of the pipeline for detection later, in the mutual contact process of the arc-shaped sponge plate 372, the T-shaped scraping blades 375 are abraded, so that the surface of the T-shaped scraping blades 375 is abraded, even the service life of the T-shaped scraping blades 375 is influenced, therefore, the second arc-shaped plate 376 is arranged at the position, close to the contact part of the cavity 373, and the magnetism of the two symmetrical second arc-shaped plates 376 is opposite, so that when the arc-shaped sponge plates 372 are contacted with each other, the second arc-shaped, and contact each other, thereby effectively avoiding the mutual contact between the T-shaped wiper blades 375, further reducing the unnecessary abrasion generated by the T-shaped wiper blades 375 and reducing the part replacement cost of the detecting device; when arc sponge board 372 earlier with pipeline surface contact, arc sponge board 372 can clean the pipeline surface through the water that the water pipe surface spilled over, and along with continuation clamp of an articulated arm 33 tightly, No. two articulated arms 37 can drive arc sponge board 372 and rise, contact each other after arc sponge board 372 breaks away from the pipeline, it just can press from both sides tight pipeline surface afterwards and survey to survey ring 34 this moment, because arc sponge board 372 inside wall is the wave, thereby produce the clearance between pipeline and arc sponge board 372, make the earth of getting off from the pipeline clearance can be saved in the clearance, avoid repeatedly falling on the pipeline surface again after earth is cleared up by arc sponge board 372, influence the clearance effect.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a running water pipeline leakage detection device which characterized in that: comprises a base (1), a display (2) and a detection unit (3); the display (2) is arranged on the base (1); the detection unit (3) comprises a handle (31), a display ring (32), a first hinge rod (33) and a detection ring (34); the display rings (32) are symmetrically arranged at the top ends of the first hinge rods (33); the handle (31) is arranged on the side wall of the top end of the display ring (32); the detection ring (34) is installed at the bottom end of the first hinge rod (33), a plurality of pressure sensors are uniformly distributed on the inner side wall of the detection ring (34), a rubber bag (35) is arranged at the end part of the detection ring (34), and arc piston cylinders (36) are symmetrically arranged on the outer side wall, close to the first hinge rod (33), of the detection ring (34); the arc piston cylinder (36) is connected with a piston rod (361) in a sliding manner, and the arc piston cylinder (36) is communicated with the rubber bag (35) through a hose; a clamping block (362) is arranged at the end part of the piston rod (361), and a slot (363) and an inserting block (364) are arranged at the mutually corresponding positions of the clamping block (362); the leakage of the pipeline is detected through the matching of the base (1), the display (2) and the detection unit (3).
2. A tap water pipe leakage detecting device as claimed in claim 1, wherein: the inner side wall of the first hinge rod (33) is symmetrically hinged with a second hinge rod (37), the side wall of the second hinge rod (37) is connected with the side wall of the first hinge rod (33) through a spring, and the center of the second hinge rod (37) is hinged with a support (371); the bottom end of the bracket (371) is symmetrically hinged with arc-shaped sponge plates (372); through the cooperation of the second hinge rod (37), the bracket (371) and the arc-shaped sponge plate (372), the surface of the pipeline is cleaned before detection.
3. A tap water pipe leakage detecting device as claimed in claim 1, wherein: a clamping unit (4) is arranged in the rubber bag (35); the clamping unit (4) comprises a third hinge rod (41), a pressing block (42) and a push plate (43); two ends of the third hinge rod (41) are connected to the inner side wall, close to the detection ring (34), of the rubber bag (35) in a sliding mode through rollers; the pressing block (42) is hinged at the central hinge position of the third hinge rod (41), and the pressing block (42) is contacted with the inner side wall of the rubber bag (35); push pedal (43) are installed on the lateral wall of rubber bag (35) and pipeline contact, and push pedal (43) contact with third hinge bar (41) lateral wall, and evenly distributed has a plurality of pressure sensor on push pedal (43) for pressure sensor runs through to on rubber bag (35) lateral wall.
4. A tap water pipe leakage detecting device as claimed in claim 2, wherein: a cavity (373) is formed in the arc-shaped sponge plate (372); a first arc-shaped plate (374) is arranged in the cavity (373), water-absorbing resin is filled between the first arc-shaped plate (374) and the side wall of the arc-shaped sponge plate (372), and a plurality of T-shaped scraping blades (375) are connected to the side wall of the first arc-shaped plate (374) in a sliding mode; the cleaning effect on the surface of the pipeline is enhanced through the cooperation of the T-shaped scraping blade (375), the arc-shaped sponge plate (372) and the first arc-shaped plate (374).
5. The tap water pipe leakage detecting device according to claim 4, wherein: a second arc-shaped plate (376) is arranged at the position, close to the position where the cavity (373) is in contact with the pipeline, of the cavity (373), so that the T-shaped scraping blade (375) is in sliding connection with the side wall of the second arc-shaped plate (376), the second arc-shaped plate (376) has magnetism, and the magnetism of the two symmetrical second arc-shaped plates (376) is opposite; the protection effect on the T-shaped scraping blade (375) is realized through the matching of the second arc-shaped plate (376), the T-shaped scraping blade (375) and the arc-shaped sponge plate (372).
6. The tap water pipe leakage detecting device according to claim 5, wherein: arc sponge board (372) inside wall is the wave to the realization is to the storage of pipeline outer mud, strengthens the clean effect to the pipeline.
7. A tap water pipeline leakage detection method is characterized by comprising the following steps: the detection method is suitable for the tap water pipeline leakage detection device as claimed in any one of claims 1 to 6, and comprises the following steps:
s1: determining the water leakage condition of the pipeline, checking the pressure leakage condition of a pipeline pressure gauge, checking whether other water sources exist nearby the water leakage position, and observing whether the environment around the pipeline has obvious water accumulation and ground sinking phenomena or not, thereby specifically determining whether the pipeline leaks water or not;
s2: when it is determined that the pipeline itself leaks water through the step S1, the tap water pipeline leakage detecting device is used to detect the pipeline, so as to determine the concrete position of the pipeline leakage, if the pipeline buried distance is long or the direction is unknown, the pipeline direction needs to be detected by the underground pipeline detecting instrument, so as to determine the water cut-off range and the water cut-off direction of the pipeline;
s3: when passing through tap water pipeline leakage detection device detects out the concrete leakage position of pipeline, will be close to the nearest sluice gate in pipeline both ends and close to repair or change the pipeline, open pipeline both ends sluice gate again after waiting to accomplish for the running water circulates in the pipeline, rechecks the pipeline at this moment at last again, if there is not the condition of leaking, then the work is accomplished.
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