CN112729698A - CCTV pipeline on-line measuring device - Google Patents
CCTV pipeline on-line measuring device Download PDFInfo
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- CN112729698A CN112729698A CN202110116636.2A CN202110116636A CN112729698A CN 112729698 A CN112729698 A CN 112729698A CN 202110116636 A CN202110116636 A CN 202110116636A CN 112729698 A CN112729698 A CN 112729698A
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- main carrier
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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
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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
- F16L55/30—Constructional aspects of the propulsion means, e.g. towed by cables
- F16L55/38—Constructional aspects of the propulsion means, e.g. towed by cables driven by fluid pressure
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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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- 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
- G01M3/38—Investigating fluid-tightness of structures by using light
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- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention relates to a CCTV pipeline on-line detection device, which comprises a main carrier and cameras loaded on the main carrier, wherein the front side and the rear side of the main carrier are respectively provided with a main propulsion propeller and a rear propulsion propeller, and the main propulsion propeller realizes the movement of the whole system by means of the thrust of water flow, so that the electric energy can be saved, and the problems of power and long-distance movement are solved; before and after the leakage point, the main carrier can deviate from the center to move under the influence of the water flow direction, a camera is started to pick up the images, the problems of disordered pick-up and memory are solved, at the moment, a self-balancing propeller arranged on the upstream side of the main carrier starts to rotate, and lateral thrust is converted into forward-moving assistance through a bevel gear, a conical gear ring and a rear propulsion propeller; the size and the position of a suspected leakage point can be determined according to the angular speed, the acceleration and the number of rotation turns of the self-balancing propeller, and the pipeline leakage point can be found through accurate, quick and long-distance cruising by adopting a wireless form and a fixed-point shooting technology.
Description
Technical Field
The invention relates to the technical field of water pipe maintenance, in particular to a CCTV pipeline online detection device.
Background
Liquid transmission pipelines (such as water supply pipes, water drainage pipes, oil delivery pipes and the like) are infrastructure widely used in modern society, are closely related to daily life of people, and have positive effects on improving the living standard of residents and promoting the development of regional economy. With the increase of the service life of the pipeline, the pipeline is inevitably damaged by aging, cracks, corrosion and the like under the long-term action of the working environment and the conveyed raw materials, so that potential accidents such as liquid leakage, pipeline burst and the like are caused, and the significance of the repair of the pipeline and the production and life of people is great if the leakage point of the pipeline can be found in time.
However, the existing pipeline detection method has some defects. For example, the pipeline periscope can only be used for single-point detection, and cannot acquire the result of the whole pipeline; the pipeline closed circuit television monitoring (CCTV pipeline detection) adopts a video monitoring system, and records the internal condition of the pipeline through wired control by means of a crawler with a camera lens so as to determine the internal defect of the pipeline. The pipeline closed circuit television monitoring is in wired control, the operation is inconvenient, and the acquired video data lack accurate position information; the cost of the pipeline sonar equipment is high, and the operation is complex; personnel get into the detection mode and need a lot of personnel to participate in, and intensity of labour is big, and is inefficiency, and constructor has certain safety risk simultaneously.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides an improved generation CCTV pipeline on-line measuring device adopts wireless form and fixed point to shoot the technique, overcomes prior art's not enough, accurate, quick finding pipeline leakage point.
A CCTV pipeline on-line detection device comprises a movable main carrier and a camera carried on the main carrier and used for shooting images, wherein the main carrier is integrally cylindrical, a main propulsion propeller and a rear propulsion propeller are respectively arranged on the front side and the rear side of the main carrier, the main propulsion propeller extends out of the outer side of the main carrier, and the rear propulsion propeller is positioned in a retraction hole on the rear side of the main carrier;
4N self-balancing propellers are uniformly arranged on the peripheral side of the main carrier, the inner side of each self-balancing propeller is coaxially connected with a bevel gear, the bevel gear is meshed with a conical gear ring in the main carrier, and the conical gear ring is coaxially connected with a rear propulsion propeller;
the bottom of the main carrier is heavy, the upper part of the main carrier is light, a coder for measuring the angular speed and the number of rotation turns of the self-balancing propeller is arranged on a connecting shaft of each bevel gear and the self-balancing propeller, a main control module is arranged in the main carrier, and the main control module sends the angular speed and the number of rotation turns of the self-balancing propeller to an external analysis device in a wired or wireless mode;
the external analysis device judges the fluid environment on the peripheral side of the main carrier according to the rotation angular velocity, the acceleration and the rotation number of the self-balancing propellers;
n is a natural number.
Preferably, after leakage occurs at a certain point of the liquid conveying pipeline, liquid in the pipeline flows forwards and flows towards the leakage point, the main carrier radially deviates, the self-balancing propeller at the position facing the flow direction firstly rotates, other self-balancing propellers also rotate along with the self-balancing propeller under the driving of the conical ring gear, and the leakage speed and position of the suspected leakage point can be calculated according to the rotation angular speed and the rotation number of the self-balancing propellers.
After a gap is leaked at a certain position of the liquid conveying pipeline, liquid in the pipeline flows forwards and flows towards the gap, the main carrier is radially deviated, the self-balancing propeller at the position facing the flow first rotates, other self-balancing propellers also rotate along with the self-balancing propeller under the driving of the conical gear ring to play a self-balancing role and gradually restore the balance, and the flow rate of the leaked gap can be calculated according to the rotation angular speed and the rotation number of the self-balancing propellers.
Preferably, the peripheral side of the main carrier is also uniformly provided with 4 active balance propellers, and the main control module drives each active balance propeller to rotate through a motor so as to correct the position of the main carrier on a middle flow channel of the pipeline.
Preferably, a plurality of infrared distance meters are uniformly arranged on the peripheral side of the main carrier and used for measuring the distance between the main carrier and the fluid in the offset pipeline;
and the main control module controls the rotating speed and the rotating time of the active balance propeller according to the measured offset distance so as to enable the main carrier to return to the fluid middle position of the pipeline.
Preferably, the outer side wall of the main carrier is provided with an array stepped hole, the self-balancing propeller is embedded in the outer hole part of the stepped hole, and the mounting shaft of the self-balancing propeller penetrates through the inner hole part of the stepped hole and extends into the main carrier.
Preferably, when the main carrier radially deviates, the main control module controls the camera to photograph the suspected leakage point.
Preferably, more than 3 blades of the main propulsion propeller are provided with openable water leakage holes;
the front end of the main carrier is provided with a pressure relief hole, the water inlet end of the pressure relief hole is positioned at the front end of the main carrier, and the water outlet end of the pressure relief hole is positioned at the side part of the front end of the main carrier.
Preferably, the main carrier returns to the middle position of the fluid in the pipeline, the main control module controls the main carrier to hover for more than 1 second, and the main control module sends out accurate positioning information in a wired or wireless mode.
Preferably, the number of the cameras is more than 3, the cameras are uniformly distributed on the periphery of the main carrier, and the cameras are positioned at the lower part of the active balance propeller; each active balance propeller rotates synchronously, and the surface of the camera can be cleaned.
Preferably, the outer sides of the main propulsion propeller, the rear propulsion propeller, the self-balancing propeller, the active balancing propeller and the pressure relief holes are provided with protective covers.
The invention has the beneficial effects that: a CCTV pipeline on-line detection device comprises a movable main carrier and a camera carried on the main carrier and used for shooting images, wherein the main carrier is integrally cylindrical, a main propulsion propeller and a rear propulsion propeller are respectively arranged on the front side and the rear side of the main carrier, the main propulsion propeller extends out of the outer side of the main carrier, and the rear propulsion propeller is positioned in a retraction hole on the rear side of the main carrier; the main propulsion propeller mainly realizes the movement of the whole system by means of the thrust of water flow, can save electric energy and solves the problems of power and long-distance movement; 4N self-balancing propellers are uniformly arranged on the peripheral side of the main carrier, the inner side of each self-balancing propeller is coaxially connected with a bevel gear, the bevel gear is meshed with a conical gear ring in the main carrier, and the conical gear ring is coaxially connected with a rear propulsion propeller; before and after the leakage point, the main carrier can deviate from the center to move under the influence of the water flow direction, and at the moment, the self-balancing propeller on the upstream side starts to rotate, and lateral thrust is converted into forward-moving power assistance through the bevel gear, the conical gear ring and the rear propulsion propeller; meanwhile, under the driving action of the conical gear ring, other self-balancing propellers start to rotate to generate thrust opposite to the self-balancing propellers in initial movement, the power-assisted main carrier returns to the middle position of the flow channel, a coder for measuring the angular speed and the number of rotation turns of the self-balancing propellers is arranged on a connecting shaft of each bevel gear and the self-balancing propellers, a main control module is arranged in the main carrier, the main control module sends the angular speed and the number of rotation turns of the self-balancing propellers to an external analysis device in a wired or wireless mode, and the external analysis device can determine the size and the position of a suspected leakage point according to the angular speed, the acceleration and the number of rotation turns of the self-balancing; the heavy upper portion of main carrier bottom is light, removes the in-process and keeps upright state, the location and the work of each self-balancing screw of being convenient for, the fluid environment of main carrier week side is judged according to the angular velocity of rotation, acceleration and the number of revolutions of each self-balancing screw to outside analytical equipment to an improved generation's CCTV pipeline on-line measuring device has been obtained, adopt wireless form and fixed point shooting technique, overcome prior art's not enough, accurate, quick, can long distance find the pipeline leakage point.
Drawings
The CCTV pipeline on-line detection device of the invention is further explained with the attached drawings.
Fig. 1 is a schematic sectional structure view of the CCTV pipeline on-line detection device of the present invention.
Fig. 2 is a partially enlarged view of the CCTV pipeline on-line detection apparatus of the present invention at a position a of fig. 1.
Fig. 3 is a partially enlarged view of the CCTV pipeline on-line detection apparatus of the present invention at B of fig. 1.
Fig. 4 is a schematic structural diagram of a main propulsion propeller of the CCTV pipeline online detection device of the present invention.
In the figure:
1-a host vector; 11-shrinkage into the hole; 21-a main propulsion propeller; 211-a paddle; 2111-water leakage hole; 22-rear propulsion propeller; 31-self-balancing propeller; 32-an active balancing propeller; 4-bevel gears; 5-a conical gear ring; 6-an encoder; 01-a camera; 02-a main control module; 03-an external analysis device; 04-pressure relief hole.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode with reference to the attached drawings 1-4.
A CCTV pipeline on-line detection device comprises a movable main carrier 1 and a camera 01 loaded on the main carrier 1 and used for shooting images, wherein the main carrier 1 is integrally cylindrical, a main propulsion propeller 21 and a rear propulsion propeller 22 are respectively arranged on the front side and the rear side of the main carrier 1, the main propulsion propeller 21 extends out of the outer side of the main carrier 1, and the rear propulsion propeller 22 is positioned in a retraction hole 11 on the rear side of the main carrier 1;
4N self-balancing propellers 31 are uniformly arranged on the peripheral side of the main carrier 1, the inner side of each self-balancing propeller 31 is coaxially connected with a bevel gear 4, the bevel gear 4 is meshed with a conical gear ring 5 in the main carrier 1, and the conical gear ring 5 is coaxially connected with a rear propulsion propeller 22;
the bottom of the main carrier 1 is heavy, the upper part of the main carrier is light, an encoder 6 for measuring the angular speed and the number of rotation turns of the self-balancing propeller 31 is arranged on a connecting shaft of each bevel gear 4 and the self-balancing propeller 31, a main control module 02 is arranged in the main carrier 1, and the main control module 02 sends the angular speed and the number of rotation turns of the self-balancing propeller 31 to an external analysis device 03 in a wired or wireless mode;
the external analysis device 03 judges the fluid environment on the peripheral side of the main carrier 1 according to the rotation angular velocity, the acceleration and the rotation number of the self-balancing propellers 31;
n is a natural number.
The main carrier 1 is integrally cylindrical, so that the resistance of liquid can be reduced, the main carrier 1 floats in a pipeline to realize the measurement work in the pipeline working environment, and the main propulsion propeller 21 extends out of the outer side of the main carrier 1 to better receive the thrust in the liquid flowing direction and realize better assistance; the rear propulsion propeller 22 is positioned in the retraction hole 11 at the rear side of the main carrier 1, so that the rear propulsion propeller 22 is prevented from generating moving resistance in the non-working state; the main propulsion propeller 21 mainly realizes the movement of the whole system and the main carrier 1 by means of the thrust of water flow, so that the electric energy can be saved, and the problems of power and long-distance movement are solved; before and after the leakage point, the main carrier 1 can deviate from the center to move under the influence of the water flow direction, at the moment, the self-balancing propeller 31 on the upstream side starts to rotate, and the lateral thrust at the leakage point is converted into the power assisting the forward movement through the bevel gear 4, the conical gear ring 5 and the rear propulsion propeller 22; meanwhile, under the driving action of the conical ring gear 5, other self-balancing propellers 31 start to rotate to generate thrust opposite to the self-balancing propeller 31 in initial movement, the power-assisted main carrier 1 returns to the middle position of the flow channel, a coder 6 for measuring the angular velocity, the angular acceleration and the number of rotation turns of the self-balancing propeller 31 is arranged on a connecting shaft of each bevel gear 4 and the self-balancing propeller 31, a main control module 02 is arranged in the main carrier 1, the main control module 02 sends the angular velocity, the angular acceleration and the number of rotation turns of the self-balancing propeller 31 to an external analysis device 03 in a wired or wireless mode, and the external analysis device 03 can determine the size and the position of a suspected leakage point according to the angular velocity, the angular acceleration and the number of rotation turns of the self-; starting the camera 01 to start shooting after the main carrier 1 deviates from the central flow channel by a set distance, so that shooting action can be performed specifically, and disordered and invalid shooting is avoided; the heavy upper portion in main carrier 1 bottom is light, move the in-process and keep upright state, each self-balancing screw 31's of being convenient for location and work, the fluid environment of main carrier week side is judged according to each self-balancing screw 31's angular velocity of rotation, acceleration and the number of revolutions to outside analytical equipment 03 has thereby obtained an improved generation CCTV pipeline on-line measuring device, adopt wireless form and fixed point shooting technique, overcome prior art's not enough, accurate, quick, the finding pipeline leakage point that long distance cruises.
In this embodiment, the main carrier 1 is further provided with a positioning module, the general position of the main carrier 1 can be tracked in real time through the positioning module, and the position deviation is within 5 meters.
In the present embodiment, N is 1, and N may be 2, 3, 4, or 5 … … as necessary.
In this embodiment, after a certain point of the liquid conveying pipeline leaks, the liquid in the pipeline flows forward and flows to the leaking point, the main carrier 1 radially deviates, the self-balancing propeller 31 in the flow direction first rotates, and under the driving of the conical ring gear 5, the other self-balancing propellers 31 also rotate along with the rotation, and the leaking speed and position of the suspected leaking point can be calculated according to the rotation angular velocity and the rotation number of the self-balancing propellers 31.
After a gap is leaked at a certain position of the liquid conveying pipeline, liquid in the pipeline flows forwards and flows towards the gap at the same time, the main carrier 1 is radially deviated, the self-balancing propeller 31 at the position facing the flow direction firstly rotates, other self-balancing propellers 31 gradually recover balance along with the rotation under the drive of the conical toothed ring 5, and the shape and the size of the leaked gap can be calculated according to the rotation angular speed and the rotation number of the self-balancing propellers 31.
In this embodiment, 4 active balance propellers 32 are uniformly arranged on the peripheral side of the main carrier 1, and the main control module 02 drives each active balance propeller 32 to rotate through a motor, so as to correct the position of the main carrier 1 on the middle flow channel of the pipeline.
The active balance propeller 32 is also used for precisely hovering the main carrier 1, and the rotating speed of each active balance propeller 32 is controlled, so that the main carrier 1 can adapt to the flow field environment of the set position, and the accurate hovering is carried out at the required position, and the accurate shooting is carried out through the camera 01 to shoot the clear image of the leakage point.
In this embodiment, a plurality of infrared distance meters are uniformly arranged on the periphery of the main carrier 1, and the infrared distance meters are used for measuring the distance between the main carrier 1 and the fluid in the pipeline; the infrared distance meter can be used for assisting in measuring the position of the main carrier 1 deviating from the center of the flow channel, so as to judge the acting force received by the main carrier 1; the infrared distance meter is also used to measure the drift of the main carrier 1 occurring in the radial direction.
The main control module 02 controls the rotation speed and rotation time of the active balancing propeller 32 according to the measured offset distance so that the main carrier 1 returns to the fluid middle position of the pipeline.
In this embodiment, the outer side wall of the main carrier 1 is provided with an array stepped hole, the self-balancing propeller 31 is embedded in the outer hole portion of the stepped hole, and the installation shaft of the self-balancing propeller 31 penetrates through the inner hole portion of the stepped hole and extends into the main carrier 1.
In this embodiment, when the main carrier 1 radially deviates, the main control module 02 controls the camera 01 to photograph a suspected leakage point.
In this embodiment, the number of the blades 211 of the main propulsion propeller 21 is 3 or more, and the blades 211 are provided with water leakage holes 2111 that can be opened and closed; the position of the water leakage hole 2111 is provided with a rotary baffle which is coaxially arranged with the main propulsion propeller 21, a driving shaft of the rotary baffle is a hollow shaft, and the hollow shaft is arranged at the outer side of a rotating shaft (an installation shaft) of the main propulsion propeller 21. The amount of water leakage from the water leakage holes 2111 can be controlled by controlling the unscrewing angle of the rotary baffle, so that the thrust applied to the main recommended propeller 21 is controlled, and the moving speed of the main carrier 1 is controlled.
The front end of the main carrier 1 is provided with a pressure relief hole 04, the water inlet end of the pressure relief hole 04 is positioned at the front end of the main carrier 1, and the water outlet end of the pressure relief hole 04 is positioned at the side part of the front end of the main carrier 1.
In this embodiment, the main carrier 1 returns to the middle position of the fluid in the pipeline, the main control module 02 controls the main carrier 1 to hover for more than 1 second, and the main control module 02 sends out accurate positioning information in a wired or wireless manner.
In this embodiment, the number of the cameras 01 is more than 3, the cameras 01 are uniformly distributed on the periphery of the main carrier 1, and the cameras 01 are located on the periphery of the lower part of the active balance propeller 32; each active balance propeller 32 rotates synchronously, and when the active balance propeller 32 rotates, the water flow on the peripheral side moves, so that the surface of the camera 01 can be cleaned, and meanwhile, the camera 01 cannot be blocked by the active balance propeller 32.
In this embodiment, the number of the cameras 01 is more than 3, the cameras 01 are uniformly distributed on the periphery of the main carrier 1, and the cameras 01 are also located on the periphery of the lower part of the self-balancing propeller 31; when each self-balancing propeller 31 rotates, the water flow on the peripheral side moves and swirls, so that the surface of the camera 01 can be cleaned, and the self-balancing propeller 32 does not block the camera 01.
In this embodiment, a protective cover is disposed outside the main propulsion propeller 21, the rear propulsion propeller 22, the self-balancing propeller 31, the active balancing propeller 32, and the pressure relief hole 04.
The present invention is not limited to the above embodiments, and the technical solutions of the above embodiments of the present invention may be combined with each other in a crossing manner to form a new technical solution, and all technical solutions formed by using equivalent substitutions fall within the scope of the present invention.
Claims (10)
1. A CCTV pipeline on-line detection device comprises a movable main carrier (1) and a camera (01) carried on the main carrier for shooting images, and is characterized in that the main carrier (1) is cylindrical, a main propulsion propeller (21) and a rear propulsion propeller (22) are respectively arranged on the front side and the rear side of the main carrier (1), the main propulsion propeller (21) extends out of the outer side of the main carrier (1), and the rear propulsion propeller (22) is positioned in a retraction hole (11) on the rear side of the main carrier (1);
4N self-balancing propellers (31) are uniformly arranged on the peripheral side of the main carrier (1), the inner side of each self-balancing propeller (31) is coaxially connected with a bevel gear (4), the bevel gears (4) are meshed with a conical gear ring (5) in the main carrier (1), and the conical gear ring (5) is coaxially connected with the rear propulsion propeller (22);
the bottom of the main carrier (1) is heavy, the upper portion of the main carrier is light, an encoder (6) used for measuring the angular speed and the number of rotation turns of the self-balancing propeller (31) is arranged on a connecting shaft of each bevel gear (4) and the self-balancing propeller (31), a main control module (02) is arranged in the main carrier (1), and the main control module (02) sends the angular speed and the number of rotation turns of the self-balancing propeller (31) to an external analysis device (03) in a wired or wireless mode;
the external analysis device (03) judges the fluid environment on the peripheral side of the main carrier (1) according to the rotation angular velocity, the acceleration and the rotation number of the self-balancing propellers (31);
n is a natural number.
2. The CCTV pipeline online detection device as claimed in claim 1, wherein when a certain point of the liquid conveying pipeline leaks, the liquid in the pipeline flows to the leakage point while flowing forwards, the main carrier (1) is radially offset, the self-balancing propeller (31) in the direction of the flow firstly rotates, the other self-balancing propellers (31) rotate along with the rotation under the drive of the conical toothed ring (5), and the leakage speed and position of the suspected leakage point can be calculated according to the rotation angular speed and the rotation number of each self-balancing propeller (31).
3. The CCTV pipeline online detection device as recited in claim 2, wherein 4 active balance propellers (32) are uniformly arranged on the periphery of the main carrier (1), and the main control module (02) drives each active balance propeller (32) to rotate through a motor respectively so as to correct the position of the main carrier (1) on the middle flow channel of the pipeline.
4. The CCTV pipeline online detection device as claimed in claim 3, wherein a plurality of infrared distance meters are uniformly arranged on the peripheral side of the main carrier (1) and are used for measuring the distance of the main carrier (1) from the middle of the fluid of the pipeline;
and the main control module (02) controls the rotating speed and the rotating time of the active balance propeller (32) according to the measured offset distance so as to enable the main carrier (1) to return to the fluid middle position of the pipeline.
5. The CCTV pipeline online detection device of claim 4, wherein an array stepped hole is arranged on the outer side wall of the main carrier (1), the self-balancing propeller (31) is embedded in the outer hole part of the stepped hole, and the mounting shaft of the self-balancing propeller (31) penetrates through the inner hole part of the stepped hole to extend into the main carrier (1).
6. The CCTV pipeline online detection device of claim 5, wherein when the main carrier (1) is radially offset, the main control module (02) controls the camera (01) to photograph the suspected leakage point.
7. The CCTV pipeline online detection device of claim 6, wherein the number of the blades (211) of the main propulsion propeller (21) is more than 3, and the blades (211) are provided with water leakage holes (2111) which can be opened and closed;
the water inlet and outlet pressure-relief device is characterized in that a pressure-relief hole (04) is formed in the front end of the main carrier (1), the water inlet end of the pressure-relief hole (04) is located in the front end of the main carrier (1), and the water outlet end of the pressure-relief hole (04) is located in the side portion of the front end of the main carrier (1).
8. The CCTV pipeline online detection device as claimed in claim 7, wherein the main carrier (1) returns to the middle position of the pipeline fluid, the main control module (02) controls the main carrier (1) to hover for more than 1 second, and the main control module (02) sends out accurate positioning information in a wired or wireless manner.
9. The CCTV pipeline online detection device of claim 8, wherein the number of the cameras (01) is more than 3, the cameras (01) are uniformly distributed on the periphery of the main carrier (1), and the cameras (01) are positioned on the periphery of the lower part of the active balance propeller (32); each active balance propeller rotates synchronously, and the surface of the camera (01) can be cleaned.
10. The CCTV pipeline online detection device of claim 8, wherein a protective cover is arranged outside the main propulsion propeller (21), the rear propulsion propeller (22), the self-balancing propeller (31), the active balancing propeller (32) and the pressure relief hole (04).
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| CN202110116636.2A CN112729698B (en) | 2021-01-28 | 2021-01-28 | CCTV pipeline on-line measuring device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114236086A (en) * | 2022-02-21 | 2022-03-25 | 深圳市水务工程检测有限公司 | Floating water quality sampling monitoring equipment for monitoring urban water source |
| CN114727007A (en) * | 2021-05-24 | 2022-07-08 | 云南傲远智能环保科技有限公司 | Wisdom plastic network management on-line measuring camera |
| CN115342993A (en) * | 2022-08-12 | 2022-11-15 | 厦门市政水务集团有限公司 | Leakage-proof detection device for tunnel water supply pipeline and detection method thereof |
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