CN117450355A - Pipeline local damage district permeability detection device - Google Patents
Pipeline local damage district permeability detection device Download PDFInfo
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- CN117450355A CN117450355A CN202311611660.9A CN202311611660A CN117450355A CN 117450355 A CN117450355 A CN 117450355A CN 202311611660 A CN202311611660 A CN 202311611660A CN 117450355 A CN117450355 A CN 117450355A
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- pipe
- detecting
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- 238000001514 detection method Methods 0.000 title claims abstract description 57
- 230000035699 permeability Effects 0.000 title claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 101
- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 238000002347 injection Methods 0.000 claims abstract description 33
- 239000007924 injection Substances 0.000 claims abstract description 33
- 239000004519 grease Substances 0.000 claims description 33
- 238000007789 sealing Methods 0.000 claims description 32
- 239000007921 spray Substances 0.000 claims description 16
- 238000011084 recovery Methods 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000005286 illumination Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000010865 sewage Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
- F16L55/28—Constructional aspects
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/12—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ
- F16L55/128—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose
- F16L55/132—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose the closure device being a plug fixed by radially deforming the packing
- F16L55/134—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose the closure device being a plug fixed by radially deforming the packing by means of an inflatable packing
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
- F16L55/28—Constructional aspects
- F16L55/40—Constructional aspects of the body
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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
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L2101/00—Uses or applications of pigs or moles
- F16L2101/10—Treating the inside of pipes
- F16L2101/12—Cleaning
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L2101/00—Uses or applications of pigs or moles
- F16L2101/30—Inspecting, measuring or testing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention relates to a permeability detection device for a local damage area of a pipeline, which comprises a traveling vehicle, wherein a first adjusting mechanism is arranged at the top end of the traveling vehicle and is connected with an image acquisition element to adjust the position and the posture of the image acquisition element, the traveling vehicle is connected with a permeability detection mechanism positioned at the front end of the traveling vehicle through a second adjusting mechanism, the permeability detection mechanism comprises a cylinder, two ends of the cylinder are provided with air bags, a water outlet is arranged at the position of the cylinder between the two air bags, a one-way valve is arranged at the water outlet, and the water outlet is connected with a first water injection pipe.
Description
Technical Field
The invention relates to the technical field of underground pipe network detection, in particular to a permeability detection device for a local damaged area of a pipeline.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The urban underground pipe network is an important infrastructure and a component part of a city and is a pulse for maintaining the normal operation of modern cities, wherein a rain and sewage pipeline is an important component of urban drainage and pollution discharge, and the urban safety and daily operation are related. In the rainwater and sewage service process, corrosive sewage and complex geological environment are often faced, so that damages, cracks and the like are easy to occur in the pipeline, and the leakage of the rainwater and the sewage is further caused. The rainwater and sewage leakage often causes ground collapse, soil pollution and the like, and timely detection and repair of the rainwater and sewage pipeline are of great significance for maintaining normal operation of cities. The rain and sewage pipeline is the confined underground environment, and the pipeline detection degree of difficulty is very big, and at present the most commonly used rain and sewage pipeline detection mode is CCTV made a video recording, carries on camera device's travelling car in pipeline internal mode promptly, for example in patent CN214368577U, has designed a detection robot with remote control unit and camera system, but the staff remote control robot carries out image acquisition operation, judges pipeline internal condition through image processing. The detection technology can only acquire apparent data in the pipeline, and can not evaluate leakage of the pipeline.
Patent CN114183623a discloses a municipal water supply pipeline leakage quick detection device, it utilizes the gasbag to seal the pipeline both ends, then at pipeline inside water injection in order to detect the seepage, but above-mentioned scheme needs to set up the seal box, and seal the both ends of pipeline, can't be applied to the leakproofness detection of actual on-the-spot water supply pipeline, can only be applied to pipeline leakage detection in the laboratory, set up the gasbag at the both ends of pipeline moreover, can't adjust the position of gasbag as required, it only is applicable to indoor to detect whole pipeline leakage, and can't be applicable to the local leakage detection of actual on-the-spot pipeline.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a permeability detection device for a local damaged area of a pipeline, which is suitable for detecting the permeability of the local damaged area of a field pipeline.
In order to achieve the above object, the present invention is realized by the following technical scheme:
the embodiment of the invention provides a permeability detection device for a local damaged area of a pipeline, which comprises a traveling vehicle, wherein a first adjusting mechanism is arranged at the top end of the traveling vehicle, the first adjusting mechanism is connected with an image acquisition element to adjust the position and the posture of the image acquisition element, the traveling vehicle is connected with a permeability detection mechanism positioned at the front end of the traveling vehicle through a second adjusting mechanism, the permeability detection mechanism comprises a cylinder, air bags are arranged at two ends of the cylinder, a water outlet is arranged at the cylinder part between the two air bags, a one-way valve is arranged at the water outlet, and the water outlet is connected with a first water injection pipe.
Optionally, one end of the cylinder is connected with the second adjusting mechanism, and the other end of the cylinder is provided with a rotary spray head which is connected with the second water injection pipe.
Optionally, the first water injection pipe and the second water injection pipe are both connected with a water pump installed on the second adjusting structure.
Optionally, the rotary sprayer is connected through first telescopic element in order to realize the position adjustment along barrel axis direction, and first telescopic element is connected with the barrel.
Optionally, two ends of the cylinder are provided with air bag clamping grooves, the air bag adopts an annular structure, the inner side of the air bag is fixed in the air bag clamping grooves, and the outer peripheral surface of the air bag is provided with water stop bars.
Optionally, the first adjustment mechanism includes semi-circular guide rail, is equipped with the slider on the semi-circular guide rail, and the slider is connected with first gyration component, and first gyration component is connected with image acquisition component through first lifting element, and semi-circular guide rail's both ends are connected with the second lifting element who installs the walking car.
Optionally, an illumination element is arranged above the image acquisition element.
Optionally, the second adjustment mechanism includes the third lifting element of installing at the automobile body, and the third lifting element is connected with the workstation, and the workstation front end is connected with the barrel through the second telescopic element in order to drive the barrel and follow self axis direction motion.
Optionally, both sides all are coaxial around the barrel are equipped with the sleeve, and the sleeve is connected with rotation actuating mechanism in order to realize rotating around self axis, and telescopic outer peripheral face is equipped with sealed grease spraying telescopic element, sealed grease spraying telescopic element and sealed grease conveying line intercommunication, and sealed grease telescopic element tip is equipped with the section of bending in order to realize spraying sealed grease towards gasbag and pipeline medial surface sealing position.
Optionally, the rear end of the travelling car is connected with a recovery cable.
The beneficial effects of the invention are as follows:
1. the permeability detection device is provided with the traveling vehicle and the image acquisition element, the traveling vehicle can travel along the interior of the pipeline, the image acquisition element is used for acquiring an image of the interior of the pipeline, so that the local damage position of the pipeline can be acquired, the second adjustment mechanism is arranged, the local damage position can be positioned between two air bags on the cylinder body, after the air bags are inflated, the two ends of the local damage position can be sealed by the air bags, a sealed space is formed between the cylinder body and the pipeline between the two air bags, the permeability of a layout damage area can be detected after water is injected through the first water injection pipe, in the detection process, the permeability detection of the local damage area of the pipeline is realized through the traveling vehicle, the water injection detection of the whole pipeline is not required, and the permeability detection device is suitable for pipeline detection on the actual site.
2. According to the permeability detection device, the rotary spray head is arranged at the end part of the cylinder body and is connected with the second water injection pipe, and the rotary spray head can be used for dredging the local damage area before detection, so that the air bag can be better sealed and attached to the inner side surface of the pipe wall, the tightness of a space formed between the local damage area and the cylinder body is ensured, and the smooth performance of the test work and the accuracy of the test result are ensured.
3. The permeability detection device is provided with the second rotary element, the hollow rotary sleeve, the third telescopic element and the sealing grease conveying pipe, so that sealing grease can be sprayed on the outer edge of the air bag and the sealing part of the pipe wall, the tightness is further ensured, and the accuracy of a detection result is ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
FIG. 1 is a schematic view showing the overall structure of embodiment 1 of the present invention;
FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;
FIG. 3 is a schematic structural diagram of a first adjusting mechanism according to embodiment 1 of the present invention;
FIG. 4 is a schematic view showing the arrangement of an inflation tube according to embodiment 1 of the present invention;
FIG. 5 is a schematic view showing the arrangement of a sealed grease transporting pipe according to example 1 of the present invention;
FIG. 6 is a schematic view of the arrangement of the first water injection pipe and the second water injection pipe according to embodiment 1 of the present invention;
FIG. 7 is a schematic diagram of the permeability test according to example 1 of the present invention;
wherein, 1, a vehicle body, 2, wheels, 3, a recovery line connector, 4, a third electric lifting rod, 5, a second water pump, 6, a workbench, 7, a first water filling port, 8, a second water filling port, 9, a first water filling pipe, 10, a second water filling pipe, 11, a lighting element, 12, a camera, 13, a first electric lifting rod, 14, a rotary platform, 15, a semicircular guide rail, 16, a sliding part, 17, a sealing grease conveying pipe connector, 18, an air filling connector, 19, a pipeline box, the hydraulic jack comprises a first electric telescopic pipe, a second electric telescopic pipe, a first sleeve, a second electric lifting rod, a first sleeve, a second sleeve, a gas bag clamping groove, a first sleeve, a second sleeve, a gas bag, a one-way valve, a third electric telescopic pipe, a cylinder, a second sleeve, a water stop bar, a first telescopic pipe, a second sleeve, a rotary spray head, a sealing gel layer, a sealing grease conveying pipe, a pipeline and a third oil conveying pipe.
Detailed Description
Example 1
The embodiment of the invention provides a permeability detection device for a local damage area of a pipeline, which is shown in fig. 1 and comprises a walking vehicle, wherein the walking vehicle can walk in the pipeline to be detected, the walking vehicle comprises a vehicle body 1, the vehicle body 1 is provided with wheels 2, the wheels 2 are used for being matched with the inner side surface of the pipeline, and the walking vehicle walks along the pipeline through the wheels 2.
The traveling vehicle may be an existing electric vehicle, and the specific structure thereof will not be described in detail herein.
The vehicle body is provided with a first adjusting mechanism, and the first adjusting mechanism is connected with the image acquisition element to adjust the position and the posture of the image acquisition element so as to realize omnibearing image acquisition in the pipeline and avoid missing acquisition.
As shown in fig. 3, the first adjusting mechanism includes a semicircular guide rail 15, two ends of the semicircular guide rail 15 are connected with a second lifting element, preferably, the second lifting element adopts a second existing electric lifting rod 21, a fixing portion of the second electric lifting rod 21 is fixed on a side surface of the vehicle body 1, and a lifting portion of the second electric lifting rod is fixed with an end portion of the semicircular guide rail 15.
The semicircular guide rail 15 is provided with a sliding part 16, the sliding part 16 is an electric vehicle matched with the semicircular guide rail 15, the electric vehicle adopts existing equipment, and the specific structure of the electric vehicle is not described in detail herein.
The electric motor car can follow the semicircular guide rail 15 motion, the automobile body of electric motor car is equipped with the electro-magnet, and electro-magnet and semicircular guide rail contact, when the electro-magnet circular telegram, can adsorb fixedly with semicircular guide rail 15, realized the locking of electric motor car fixed on semicircular guide rail
The top surface of electric motor car installs the gyration component, and the gyration component adopts the revolving platform 14, and the revolving platform 14 adopts current equipment can, and its specific structure is not described in detail here, revolving platform 14 is connected with first lifting element, and is preferred, first lifting element adopts first electric lift pole 13, and the fixed part of first electric lift pole 13 is fixed with the central point of revolving platform 14, and the lifting part of first electric lift pole 13 is connected with image acquisition element, and is preferred, image acquisition element adopts camera 12, and the top of camera 12 is equipped with lighting element 13, and lighting element 13 adopts current light can.
Through electric motor car, semicircular guide rail 15, revolving platform 14 and first lifting element, can adjust the position and the gesture of camera 12, realize the omnidirectional image acquisition to the pipeline, realize no dead angle detection.
The top surface of the vehicle body 1 is provided with a second adjusting mechanism, the second adjusting mechanism is connected with a permeability detecting mechanism positioned on the front side of the vehicle body 1, and the second adjusting mechanism can adjust the position of the permeability detecting mechanism.
The second adjusting mechanism comprises two third lifting elements fixed on the upper surface of the vehicle body, and the two third lifting elements are respectively fixed at the front end and the rear end of the top surface of the vehicle body.
Preferably, the third lifting element adopts a third electric lifting rod 4, the fixing parts of the two third electric lifting rods 4 are fixed with the surface of the vehicle body 1, the lifting parts thereof are fixed with the bottom surface of the workbench 6, the semicircular guide rail 15 spans the workbench 6, and the semicircular guide rail 15 is connected with the second electric lifting rod 21, so that the height can be adjusted, and the semicircular guide rail 15 does not obstruct the lifting movement of the workbench 6.
The front end of workstation 6 top surface is fixed with pipeline case 19, and the front box face of pipeline case is connected with the one end of second telescopic member, and the other end of second telescopic member is connected with permeability detection mechanism.
Preferably, the second telescopic member is a second electric telescopic tube 20, and the second electric telescopic tube 20 may be an existing apparatus, for example, an electric telescopic tube disclosed in CN201921111873.4, and the specific structure thereof is not described in detail herein.
The permeability detection mechanism comprises a barrel 27, the barrel 27 is coaxially fixed with the telescopic part of the second electric telescopic pipe 20, the telescopic part of the second electric telescopic pipe penetrates through the barrel 27, one end, far away from the second electric telescopic pipe, of the barrel 27 is coaxially provided with a first telescopic element, preferably, the first telescopic element is a first electric telescopic pipe 29, the structure of the first electric telescopic pipe 29 is identical to that of the second electric telescopic pipe structure 20, the existing equipment is adopted, the end part of the first electric telescopic pipe 29 and the end part of the barrel 27 are directly fixed or fixed with the end part of the second electric telescopic pipe 20 so as to realize the fixation with the barrel 27, the end part of the first electric telescopic pipe 29 is provided with a rotary spray head 30, and the rotary spray head 30 adopts the existing structure and can drive the self-body to rotate by utilizing the centrifugal force and the reaction force of sprayed water so as to realize rotary spray.
The two ends of the cylinder 27 are provided with air bags 24, the air bags 24 are annular air bags and sleeved on the periphery of the cylinder 27, in order to axially limit the air bags 24, the two ends of the cylinder 27 are provided with air bag clamping grooves 23, the inner side parts of the air bags 24 are clamped into the air bag clamping grooves 23, and a sealing gel layer 31 is arranged between the air bag clamping grooves 23.
The outer side surface of the air bag 24 is provided with a water stop strip 28, and the water stop strip 28 is used for being in sealing fit with the inner side surface of the pipeline.
After the air bags 24 at the two ends are sealed and attached to the inner side surface of the pipeline through the water stop strips 28, a sealed space is formed between the outer side surface of the cylinder 27 between the two air bags 24 and the inner side surface of the pipeline.
As shown in fig. 4, both air bags 24 are connected to an air tube 37, and the air tube 37 passes through the cylinder 27 and the second electric telescopic tube 20 and is connected to the air inflation interface 18 located on the rear side of the piping box 19.
As shown in fig. 6, the cylindrical body portion between the two air bags 24 is provided with a water outlet for injecting water into the formed closed space, and the water outlet is provided with a one-way valve 25, and the one-way valve 25 allows water to flow from the inside of the cylindrical body 27 to the outside of the closed space without flowing reversely.
In order to improve the water injection efficiency, a plurality of water outlets are arranged, and preferably three water outlets are arranged.
The water outlet is connected with a first water injection pipe 9, and the first water injection pipe 9 penetrates through the second electric telescopic pipe 20 and the inner space of the pipeline box 19 and then is connected to a first water pump arranged at the rear end of the upper surface of the workbench.
The rear end of the upper surface of the workbench is also provided with a second water pump 5, the second water pump 5 is also connected with one end of a second water injection pipe 10, the second water injection pipe 10 sequentially passes through the pipeline box 19, the second electric telescopic pipe 20, the cylinder 27 and the first electric telescopic pipe 29 and then is connected with the rotary spray head 30 for injecting water into the rotary spray head, the end part of the second water injection pipe 10 is provided with a section of rigid pipe section, and the rigid pipe section is rotationally connected with the rotary spray head and is fixed at the end part of the first electric telescopic pipe 29. The connection and operation of the rotary sprayer 30 are well known in the art and will not be described in further detail herein.
Preferably, the rest of the first water injection pipe 9 and the second water injection pipe 10 are hoses.
The first water pump is provided with a first water filling port 7, and the second water pump is provided with a second water filling port 8, and is used for connecting a water source through a pipeline.
In this embodiment, by providing the water pump assembly on the vehicle body, a large water pressure can be provided to the first water injection pipe 9 and the second water injection pipe 10.
As shown in fig. 2, the front side of the cylinder 27 is provided with a first sleeve 22, the first sleeve 22 is sleeved on the outer periphery of the telescopic part of the second electric telescopic tube 20 and is in sealing and rotating connection with the telescopic part of the second electric telescopic tube 20, the first sleeve 22 is connected with a rotation driving mechanism fixed on the telescopic part of the second electric telescopic tube 20, the rotation driving mechanism comprises a motor 39, the motor 39 is fixed on a motor fixing cylinder, the motor fixing cylinder is sleeved on the outer periphery of the telescopic part of the second electric telescopic tube 20 and is fixedly connected with the telescopic part of the second electric telescopic tube 20 through a bolt 36, an output shaft of the motor 39 is connected with a first gear, the first gear is meshed with a second gear 38, the second gear 38 is coaxially fixed with the first sleeve 22, and the motor 39 can drive the rotation of the first sleeve 22 through the first gear and the second gear 38.
As shown in fig. 5, the inner side surface of the first sleeve 22 is in sealed rotation connection with the outer side surface of the second electric telescopic tube 20, and is provided with an annular groove, the annular groove is communicated with one ends of a plurality of connecting channels arranged at equal intervals along the circumferential direction, the other ends of the connecting channels extend to the outer side surface of the first sleeve, the connecting channels are provided with third telescopic elements, the third telescopic elements are arranged along the radial direction of the first sleeve 22, preferably, the third telescopic elements adopt third electric telescopic tubes 26, and the inner space of the third electric telescopic tubes 26 is communicated with the inner space of the annular groove through the connecting channels.
The pipe wall of the second electric telescopic pipe 20 is provided with a sealing grease outlet which is communicated with the inner space of the annular groove and is connected with a sealing grease conveying pipe 32.
The fixing part of the third electric telescopic tube 26 is fixed with the first sleeve 22, and the top end of the telescopic part is provided with a bending end facing the air bag so that the third electric telescopic tube can spray sealing grease to the sealing position of the outer edge of the air bag and the pipeline.
The rear side of barrel 27 is equipped with the second sleeve, the second sleeve is sealed rotation connection with the fixed part of first electronic flexible pipe 29, the second sleeve is connected with the rotation actuating mechanism who sets up at first electronic flexible pipe 29 fixed part, rotation actuating mechanism adopts the motor, the motor passes through the fixed part of motor fixed part on first electronic flexible pipe 29, the output shaft and the third gear of motor are connected, the third gear meshes with the fourth gear mutually, the fourth gear is fixed with the second sleeve is coaxial, the medial surface of second sleeve is equipped with the ring channel, the ring channel communicates with a plurality of connecting channel that second sleeve section of thick bamboo wall set up, the connecting channel extends to the lateral surface of second sleeve and corresponds on the second sleeve lateral surface and set up a fourth telescopic member, the fourth telescopic member adopts fourth electronic flexible pipe, the interior space of fourth electronic flexible pipe communicates with the interior space of connecting channel, the fixed part pipe wall of first electronic flexible pipe 29 is equipped with sealed grease export, sealed grease export and the ring channel interior space of second sleeve are linked together, sealed export department is connected with sealed grease conveyer pipe 32, sealed grease conveyer pipe 32 passes first electronic flexible pipe 29's fixed part, sealed grease conveyer pipe is connected to sealed grease conveyer pipe 17 of second electronic pipe 20 back of pipe connection to the sealed flexible pipe of case.
The top end of the fourth electric telescopic pipe is provided with a bending section facing the direction of the air bag, so that the fourth electric telescopic pipe can spray sealing grease towards the sealing position of the outer edge of the air bag outside the barrel body and the pipeline.
The third motorized bellows 26 and the fourth motorized bellows serve as sealing grease spray bellows elements.
For conveniently retrieving whole permeability detection device, the rear end face of automobile body is equipped with retrieves line interface 3 and is connected with retrieving the cable through retrieving line interface 3, can hang whole permeability detection device to ground through retrieving the cable.
In this embodiment, the camera is connected with control system, can give control system with the image transmission who gathers, and control system is connected with remote monitoring platform, can show for remote monitoring platform with the image transmission, electronic flexible pipe, electric lifter and motor, water pump etc. all are connected with control system, control system control its work.
The working method of the pipeline permeability detection device of the embodiment is as follows:
according to the pipe diameter, an air bag 24 is selected, sealing gel is smeared in the air bag clamping groove 23, then the air bag 24 is sleeved in the air bag clamping groove 23, and the air inflation interface 18 is connected to an air pump on the ground through an air pipe.
The water pump assembly 5 is connected with a water source through a water pipe, the sealing grease delivery pipe joint 17 is connected with a grease pump above the ground through a delivery pipeline, and the recovery line joint 3 is connected with a recovery cable.
The whole detection device is lowered into the pipeline 33 to be detected through the recovery cable, the camera 12 and the lighting element 11 are opened, the height of the workbench 6 is adjusted through the third electric lifting rod 4, meanwhile, the height of the semicircular guide rail 15 is adjusted through the second electric lifting rod 21 so as to avoid obstructing the lifting of the workbench 6, and the height of the camera 12 is adjusted through the first electric lifting rod 13 continuously, so that the air bag 24 is prevented from blocking the observation line of sight.
The walking car walks in the pipeline 33 that waits to detect, the camera 12 passes through electric motor car and revolving platform 14 adjustment position and gesture, carry out all-round image acquisition to pipeline 33 internal surface, when the damage region in pipeline 33 is caught to the camera, the staff is through the water injection of second water filling port 8 in to the second water pump, the second water pump sends the water into rotatory nozzle 30 through second water injection pipe 10, rotatory nozzle 30 sprays the washing water, the concertina movement through first electronic flexible pipe 29 drives rotatory nozzle 30 and removes, rotatory nozzle 30 rotatory water spray carries out the desilting to the damage region and handles.
Can utilize rotatory nozzle to dredge the local damaged area before the permeability detects for air bag 24 can be better through sealing up laminating of sealing up strip 28 with the pipe wall medial surface, guaranteed the leakproofness of the sealed space that forms between local damaged area and the barrel 27, guaranteed the smooth going on of test work and the accuracy of test result.
As shown in fig. 7, after the dredging treatment is completed, the second electric telescopic tube 20 works to drive the cylinder 27 to move, so that the damaged area of the pipeline is located between the air bags 24 at the two ends of the cylinder, a worker starts the air pump, the air pump inflates the air bags 24, the air bags 24 expand, and the outer sides of the air bags 24 are attached to the inner surface of the pipeline through the water stop strips 28.
The lengths of the third electric telescopic tube 26 and the fourth electric telescopic tube are adjusted so that the grease outlet ends thereof face the sealing position between the outer edge of the outside of the air bag 24 and the pipe 33.
The staff starts the grease pump to start the motor simultaneously, first sleeve 22 and second sleeve are rotatory, and sealed grease is spouted by third electronic flexible pipe 26 and fourth electronic flexible pipe after sealed grease conveyer pipe 32, ring channel and connecting channel, carries out further sealedly, has further guaranteed the accuracy of testing result.
After sealing is completed, a worker starts the first water pump, injects water into the sealing space formed by the air bag 24, the cylinder 27 and the pipeline damaged area through the first water injection pipe 9, continuously injects water, simultaneously adjusts the position of the camera 12, observes the sealing grease blocking condition outside the air bag 24 through the camera 12, continuously performs sealing grease smearing if a water leakage part appears, ensures the accuracy of a detection result, continuously injects water, continuously sets time, and records water injection quantity and water injection time for subsequent data analysis and result evaluation.
If there is water seepage in the pipe 33, water seepage 35 is generated to the soil 34 around the pipe, specifically, firstly, determining the water injection amount when the pipe is not damaged, and then calculating the water seepage Q, wherein the formula is q=w/(t×l), W is the water supplementing amount, T is the water seepage time, L is the length of the detection pipe section, and the unit is min×m; next, calculating the water permeability Q, wherein the calculation formula is q=q/PL, P is the average water pressure in the detection area, and L is the length of the detection area; and finally, calculating the pipeline permeability coefficient, wherein the formula is K=QL/AHt, Q is the water seepage quantity, L is the length of the detection pipe section, A is the cross-sectional area of the detection area, and H is the water head difference. The staff can judge the permeability characteristics of the pipeline according to the method, and a repair method is formulated in sequence.
By adopting the same method, the traveling carriage walks along the pipeline to finish detection of the whole pipeline, and after detection is finished, the traveling carriage withdraws from the pipeline and the whole detection device is recovered to the ground through the recovery cable.
According to the detection device and the detection method, the traveling vehicle can travel along the interior of the pipeline, the camera 12 is used for collecting images of the interior of the pipeline, so that the local damage position of the pipeline can be obtained, the second electric telescopic pipe is arranged, the local damage position can be located between the two air bags 24 on the cylinder body through the second electric telescopic pipe 20, after the air bags 24 are inflated, the air bags 24 can seal the two ends of the local damage position through the water stop strips 28, a sealing space is formed between the cylinder body 27 between the two air bags 24 and the pipeline, the permeability of a layout damage area can be detected after water is injected through the first water injection pipe 9, in the detection process, the permeability detection of the local damage area of the pipeline is only realized through the traveling vehicle, the water injection detection of the whole pipeline is not needed, and the detection device is suitable for the pipeline detection on the actual site.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a pipeline local damage district permeability detection device, a serial communication port, including the walking car, walking car top is equipped with first adjustment mechanism, first adjustment mechanism is connected with image acquisition element in order to adjust image acquisition element's position and gesture, the walking car is connected with the permeability detection mechanism that is located walking car front end through second adjustment mechanism, permeability detection mechanism includes the barrel, barrel both ends are equipped with the gasbag, barrel position between two gasbags is equipped with the delivery port, delivery port department is equipped with the check valve, delivery port and first water injection pipe connection.
2. The device for detecting the permeability of a local damaged area of a pipeline according to claim 1, wherein one end of the cylinder is connected with the second adjusting mechanism, and the other end of the cylinder is provided with a rotary spray head which is connected with the second water injection pipe.
3. A device for detecting the permeability of a localized breakage zone of a conduit according to claim 2, wherein the first water injection tube and the second water injection tube are connected to a water pump assembly mounted on the second regulating structure.
4. A device for detecting the permeability of a locally damaged area of a pipe according to claim 2, wherein the rotary nozzle is connected to achieve the positional adjustment along the axial direction of the cylinder by a first telescopic member, the first telescopic member being connected to the cylinder.
5. The device for detecting the permeability of a local damaged area of a pipeline according to claim 1, wherein the two ends of the cylinder are provided with air bag clamping grooves, the air bag is of an annular structure, the inner side of the air bag is fixed in the air bag clamping grooves, and the outer peripheral surface of the air bag is provided with water stop bars.
6. The device for detecting the permeability of a local damaged area of a pipeline according to claim 1, wherein the first adjusting mechanism comprises a semicircular guide rail, a sliding piece is arranged on the semicircular guide rail, the sliding piece is connected with a first rotary element, the first rotary element is connected with an image acquisition element through a first lifting element, and two ends of the semicircular guide rail are connected with a second lifting element arranged on a travelling carriage.
7. A device for detecting the permeability of a localized breakage of a conduit according to claim 6, wherein an illumination element is provided above the image acquisition element.
8. The device for detecting the permeability of a local damaged area of a pipeline according to claim 1, wherein the second adjusting mechanism comprises a third lifting element arranged on the vehicle body, the third lifting element is connected with a workbench, and the front end of the workbench is connected with the cylinder through a second telescopic element so as to drive the cylinder to move along the axis direction of the cylinder.
9. The device for detecting the permeability of a local damaged area of a pipeline according to claim 1, wherein sleeves are coaxially arranged on the front side and the rear side of the cylinder body, the sleeves are connected with a rotation driving mechanism to realize rotation around the axis of the sleeves, sealing grease spraying telescopic elements are arranged on the outer peripheral surfaces of the sleeves and are communicated with a sealing grease conveying pipeline, and bending sections are arranged at the end parts of the sealing grease spraying telescopic elements to realize spraying of sealing grease towards the sealing positions of the inner side surfaces of the air bags and the pipeline.
10. The device for detecting the permeability of a local damaged area of a pipeline according to claim 1, wherein a recovery cable is connected to the rear end of the traveling carriage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311611660.9A CN117450355A (en) | 2023-11-28 | 2023-11-28 | Pipeline local damage district permeability detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311611660.9A CN117450355A (en) | 2023-11-28 | 2023-11-28 | Pipeline local damage district permeability detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117450355A true CN117450355A (en) | 2024-01-26 |
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ID=89583719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311611660.9A Pending CN117450355A (en) | 2023-11-28 | 2023-11-28 | Pipeline local damage district permeability detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117450355A (en) |
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2023
- 2023-11-28 CN CN202311611660.9A patent/CN117450355A/en active Pending
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