CN115854267A

CN115854267A - Accurate leak source location check out test set of municipal administration pipeline

Info

Publication number: CN115854267A
Application number: CN202211436067.0A
Authority: CN
Inventors: 晁先东; 晁先基; 杜浩; 严田; 杨红波
Original assignee: Jiangsu Longhui Municipal Engineering Co ltd
Current assignee: Jiangsu Longhui Municipal Engineering Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-03-28

Abstract

The invention belongs to the technical field of pipeline leakage detection, and discloses accurate leakage point positioning detection equipment for a municipal pipeline, which comprises the municipal pipeline, wherein a detector is placed in the municipal pipeline, an air pressure chamber is arranged in the detector, a movable plate is movably arranged in the air pressure chamber, a first cross rod is fixedly arranged at the left end of the movable plate, the other end of the first cross rod penetrates through the detector and is fixedly provided with a round block, and the outer surface of the first cross rod is elastically connected with a first spring positioned between the left end of the movable plate and the right wall of the air pressure chamber. Compared with the traditional device, the device utilizes the strong characteristics of atmospheric pressure circulation to make gas not too late quick replenishment, and then trigger the down tube through first spring and make device stop motion, thereby detect out the leak source on the municipal administration pipeline inner wall, the staff of being convenient for carries out maintenance operation to the leak source, has reduced staff's work load and has detected more accurately and convenient than the manual work.

Description

Accurate leak source location check out test set of municipal administration pipeline

Technical Field

The invention belongs to the technical field of pipeline leakage detection, and particularly relates to accurate leakage point positioning detection equipment for a municipal pipeline.

Background

In order to ensure the normal use of the municipal pipeline, workers can regularly evacuate the interior of the municipal pipeline and perform leakage detection on the inner wall of the municipal pipeline, so that leakage points can be generated in time and greater loss is avoided; at present, prior art when carrying out the operation of hunting leak to the municipal pipeline, to the great municipal pipeline of diameter, adopt the staff to get into the inside operation of examining of pipeline, to the less municipal pipeline of diameter, adopt water injection or gas injection to send out and detect, this kind of detection mode wasting resources is great, and has increased staff's work load, consequently need improve and optimize it.

Disclosure of Invention

The invention aims to provide accurate leakage point positioning and detecting equipment for municipal pipelines, which aims to solve the problems in the background art.

In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides an accurate leak source location check out test set of municipal pipeline, includes the municipal pipeline, the detector has been placed to the inside of municipal pipeline, the barochamber has been seted up to the inside of detector, the inside movable mounting of barochamber has the fly leaf, the left end fixed mounting of fly leaf has first horizontal pole, the other end of first horizontal pole runs through detector and fixed mounting has the circle piece, the surface elastic connection of first horizontal pole has the first spring that is located between fly leaf left end and the barochamber right wall, the movable ring has been cup jointed to the surface of detector, the quantity of movable ring is two, the first recess that is located between two movable rings is seted up to the surface of detector, through the passageway intercommunication between barochamber and the first recess, the right-hand member fixed mounting of detector has the breather pipe, the surface of breather pipe is provided with the scale mark, drive arrangement is installed to the right-hand member of detector, the left end fixed mounting of detector has riser and second horizontal pole, the surface of circle piece articulates there is the down tube, the other end of down tube runs through riser and second horizontal pole and fixed mounting has the stop block.

Preferably, drive arrangement is including the ring piece of fixed mounting at the detector right-hand member, the surface of ring piece rotates installs the gyro wheel, the bottom fixed mounting of ring piece right-hand member has the fixed block, the inside of fixed block rotates installs the drive wheel, the back fixedly connected with motor of drive wheel.

Preferably, the ring block is annular, and the number of the rollers is five and is uniformly distributed.

Preferably, the outer side surface (the contact surface with the inner wall of the municipal pipeline) of the roller is a curved surface, and the radian of the curved surface is equal to the curvature value of the inner wall of the municipal pipeline.

Preferably, the quantity of riser is eight, eight two liang of risers are a set of, every group all rotate between the riser and install two second horizontal poles, the down tube is located between two second horizontal poles.

Preferably, a second groove is formed in the ring block, a limiting block is slidably mounted in the second groove and fixedly connected with the roller, and a second spring located at the bottom end of the limiting block is elastically connected to the inside of the second groove.

Preferably, the movable ring is annular, and is made of rubber.

Preferably, the cross-sectional shape of the detector is i-shaped, presenting two lateral protrusions and a central depression.

The invention has the following beneficial effects:

1. according to the invention, through arranging the first spring, the first groove, the vent pipe and the diagonal rod, the vent pipe keeps the air pressure in the air pressure chamber and the first groove consistent and higher than the external air pressure, after a leak occurs, the air pressure is instantly reduced, and under the elastic action of the first spring, the first cross rod is driven to move, and then the detector stops moving through the stop block.

2. According to the invention, the first spring, the vent pipe and the scale marks are arranged, the detector moves in the municipal pipeline, so that the vent pipe moves together with the detector, the air pressure is instantly reduced when a leak is met, the stop block is in contact fit with the inner wall of the municipal pipeline under the action of the elastic force of the first spring, and the detector and the vent pipe stop moving.

3. According to the invention, through the arrangement of the movable ring, when the detector moves in the municipal pipeline, the movable ring is in close contact with the inner wall of the municipal pipeline, so that a certain sealing effect is achieved, and meanwhile, when the detector moves, the movable ring rotates by itself along the central axis shown in the figure.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the ring block of the present invention;

FIG. 3 is a schematic diagram of the internal structure of the detector of the present invention;

FIG. 4 is a schematic view of the construction of the round block of the present invention;

FIG. 5 is a schematic view of the internal structure of the channel of the present invention;

FIG. 6 is a schematic view of the internal structure of the ring block of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 6A;

FIG. 8 is a schematic view of a riser of the present invention;

FIG. 9 is a schematic structural diagram of a stop block according to the present invention;

fig. 10 is a schematic view of the internal structure of the movable ring of the present invention.

In the figure: 1. municipal piping; 2. a detector; 3. an air pressure chamber; 4. a movable plate; 5. a first cross bar; 6. a first spring; 7. a movable ring; 8. a channel; 9. a first groove; 10. a breather pipe; 11. a ring block; 12. a roller; 13. a fixed block; 14. a drive wheel; 15. a motor; 16. scale lines; 17. a round block; 18. a vertical plate; 19. a second cross bar; 20. a diagonal bar; 21. a stop block; 22. a second groove; 23. a limiting block; 24. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 10, an embodiment of the invention provides a municipal pipeline accurate leak location detection apparatus, which includes a municipal pipeline 1, a detector 2 is placed inside the municipal pipeline 1, an air pressure chamber 3 is arranged inside the detector 2, a movable plate 4 is movably mounted inside the air pressure chamber 3, a first cross bar 5 is fixedly mounted at the left end of the movable plate 4, the other end of the first cross bar 5 penetrates through the detector 2 and is fixedly mounted with a round block 17, a first spring 6 positioned between the left end of the movable plate 4 and the right wall of the air pressure chamber 3 is elastically connected to the outer surface of the first cross bar 5, movable rings 7 are sleeved on the outer surface of the detector 2, the number of the movable rings 7 is two, a first groove 9 positioned between the two movable rings 7 is arranged on the outer surface of the detector 2, the air pressure chamber 3 is communicated with the first groove 9 through a channel 8, a detector 10 is fixedly mounted at the right end of the detector 2, a scale mark 16 is arranged on the outer surface of a vent pipe 10, a driving device is mounted at the right end of the detector 2, a vertical plate 18 and a second cross bar 19 are mounted at the left end of the detector 2, a diagonal bar 20 is hinged with a stop block 19 and is fixedly mounted at the second cross bar 18 and a vertical plate 21;

the working personnel starts the external fan, the rotating speed of the fan is kept unchanged, the interior of the air pressure chamber 3 is inflated through the vent pipe 10, the interior of the air pressure chamber 3 is inflated, so that the pressure inside the air pressure chamber 3 is increased, the movable plate 4 and the first cross rod 5 are pushed to move leftwards through air pressure, the first spring 6 is in an elastic compression state, when the movable plate 4 moves to the left side of the channel 8, the gas inside the air pressure chamber 3 enters the interior of the first groove 9 through the channel 8, at the moment, the interiors of the air pressure chamber 3, the channel 8 and the first groove 9 are communicated with each other, the pressure is kept consistent, the driving device is started, the detector 2 is driven to slowly move inside the municipal pipeline 1 through the driving device, when the movable plate moves to the damaged part of the municipal pipeline 1 and is communicated with the first groove 9 in a contact manner, the air pressure inside the first groove 9 and the air pressure inside the air pressure chamber 3 is instantly reduced, meanwhile, under the elastic force recovery effect of the first spring 6, the movable plate 4 and the first cross rod 5 are pushed to move rightwards, one end of the diagonal rod 20 is driven to move rightwards through the first cross rod 5, so that the other end of the diagonal rod 20 is driven to move towards the inner wall of the stopping block 21 of the municipal pipeline 1, and further approach the detector 2;

keep the atmospheric pressure room 3 and the inside atmospheric pressure of first recess 9 unanimous and be greater than external atmospheric pressure through breather pipe 10, meet leak department after, through the reduction in the twinkling of an eye of atmospheric pressure, under the spring action of first spring 6, thereby drive first horizontal pole 5 and move, and then make detector 2 stop motion through stop block 21, compare with traditional device, the device utilizes the characteristics that atmospheric pressure circulation is strong, thereby make gas come too late quick replenishment, and then trigger down tube 20 through first spring 6 and make device stop motion, thereby detect out the leak source on 1 inner wall of municipal pipeline, the staff of being convenient for maintains the operation to the leak source, the work load that has reduced the staff and than artifical detection more accurate and convenient.

Through detector 2 at 1 inside motion of municipal pipeline, make breather pipe 10 also along with detector 2 together inside motion, reduce in the twinkling of an eye of atmospheric pressure when meetting the leak, under the spring action of first spring 6, through stop block 21 and the cooperation of municipal pipeline 1 inner wall contact, make detector 2 and breather pipe 10 stop motion, compare with traditional device, the device is through the scale on scale mark 16 surface when carrying out the tonifying qi to detector 2 inside, thereby clear learn the length that breather pipe 10 enters, and then accurate reachs the inside position of detector 2 in municipal pipeline, under the condition of not adding any sensor and equipment, realize the accurate location of position.

Through the design of activity circle 7, when detector 2 moves in municipal pipeline 1 inside, this moment activity circle 7 will with 1 inner wall of municipal pipeline between in close contact with, thereby play certain sealed effect, simultaneously when detector 2 moves, activity circle 7 will carry out self with the axis that shows in figure 10 and rotate, compare with traditional device, the device utilizes the special form of rotating of activity circle 7, make detector 2 when the motion and the static friction between 1 inner wall of municipal pipeline change into the kinetic friction, when guaranteeing the leakproofness, wearing and tearing when having reduced detector 2 and the contact of municipal pipeline 1, the life of extension means.

As shown in fig. 2 and 6, the driving device includes a ring block 11 fixedly installed at the right end of the detector 2, a roller 12 is rotatably installed on the outer surface of the ring block 11, a fixed block 13 is fixedly installed at the bottom of the right end of the ring block 11, a driving wheel 14 is rotatably installed inside the fixed block 13, and a motor 15 is fixedly connected to the back of the driving wheel 14;

wherein, starter motor 15 because the operation of motor 15 will drive wheel 14 and take place to rotate, through the contact between drive wheel 14 and the municipal administration pipeline 1 inner wall to promote the whole motion leak hunting operation of carrying on of detector 2 in municipal administration pipeline 1 inside.

As shown in fig. 6, the ring block 11 is ring-shaped, and the number of the rollers 12 is five and is uniformly distributed;

wherein, the surface of five gyro wheels 12 all contacts with municipal pipeline 1 is inside, under the effect of ring piece 11 for the fixed block 13 acts on 11 surfaces of ring piece to the driving force that detector 2 applyed, through 11 increase lifting surface areas of ring piece, thereby makes detector 2 atress more even, and the motion is more stable.

As shown in fig. 9, the contact surface between the outer side surface of the roller 12 and the inner wall of the municipal pipeline 1 is a curved surface, and the radian of the curved surface is equal to the curvature value of the inner wall of the municipal pipeline 1;

wherein, because the design of gyro wheel 12, when gyro wheel 12 and municipal pipeline 1 inner wall contact, will increase the area of contact between gyro wheel 12 surface and the municipal pipeline 1 inner wall, and then improve frictional force to hinder fast and stop detector 2.

As shown in fig. 9, the number of the vertical plates 18 is eight, each two of the eight vertical plates 18 form a group, two second cross rods 19 are rotatably mounted between each group of the vertical plates 18, and the inclined rod 20 is located between the two second cross rods 19;

wherein, when the motion takes place for circle piece 17, will drive down tube 20 and rotate with the contact point of down tube 20 with second horizontal pole 19, move for second horizontal pole 19 simultaneously, and then drive stop block 21 and municipal pipeline 1 inner wall and contact and separate.

As shown in fig. 7, a second groove 22 is formed in the ring block 11, a limiting block 23 is slidably mounted in the second groove 22, the limiting block 23 is fixedly connected with the roller 12, and a second spring 24 located at the bottom end of the limiting block 23 is elastically connected in the second groove 22;

due to the design of the second spring 24, an upward force is always applied to the roller 12 under the elastic force of the second spring 24, so that the roller 12 is tightly attached to the inner wall of the municipal pipeline 1.

As shown in fig. 10, the movable ring 7 is annular, and the movable ring 7 is made of rubber;

wherein, because movable ring 7 adopts rubber to make, its texture is soft and have certain elasticity to with municipal administration pipeline 1 inner wall extrusion contact, formed good seal.

As shown in fig. 3, the cross-sectional shape of the detector 2 is i-shaped, exhibiting protrusions at both sides and a depression at the middle;

wherein, because the design of detector 2 utilizes both sides to protruding and the cooperation of municipal pipeline 1 inner wall to reach middle part sunken space and seal, the inside leak source of municipal pipeline 1 is detected to rethread sunken region.

The working principle and the using process are as follows:

the air pressure in the air pressure chamber 3 and the first groove 9 is kept consistent and is higher than the external air pressure through the air pipe 10, after a leak occurs, the air pressure is instantly reduced, the first cross rod 5 is driven to move under the action of the elastic force of the first spring 6, and then the detector 2 stops moving through the stop block 21;

the detector 2 moves in the municipal pipeline 1, so that the vent pipe 10 moves inwards along with the detector 2, the air pressure is instantly reduced when a leak is met, and the detector 2 and the vent pipe 10 stop moving through the contact and matching of the stop block 21 and the inner wall of the municipal pipeline 1 under the action of the elastic force of the first spring 6;

when the detector 2 moves in the municipal pipeline 1, the movable ring 7 is in close contact with the inner wall of the municipal pipeline 1, so that a certain sealing effect is achieved, and when the detector 2 moves, the movable ring 7 rotates around the central axis shown in fig. 10.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an accurate leak source location check out test set of town pipeline, includes town pipeline (1), its characterized in that: the detector (2) is placed in the municipal pipeline (1), the air pressure chamber (3) is arranged in the detector (2), the movable plate (4) is arranged in the air pressure chamber (3), the first cross rod (5) is fixedly arranged at the left end of the movable plate (4), the other end of the first cross rod (5) penetrates through the detector (2) and is fixedly provided with a round block (17), the outer surface of the first cross rod (5) is elastically connected with a first spring (6) positioned between the left end of the movable plate (4) and the right wall of the air pressure chamber (3), the outer surface of the detector (2) is sleeved with movable rings (7), the number of the movable rings (7) is two, the outer surface of the detector (2) is provided with first grooves (9) positioned between the two movable rings (7), the air pressure chamber (3) is communicated with the first grooves (9) through a channel (8), the right end of the detector (2) is fixedly provided with a vent pipe (10), the outer surface of the vent pipe (10) is provided with scale marks (16), the right end of the detector (2) is provided with a driving device, the left end of the detector (2) is fixedly provided with a second cross rod (18) and a second cross rod (17) is hinged with a second cross rod (19), the other end of the inclined rod (20) penetrates through the vertical plate (18) and the second cross rod (19) and is fixedly provided with a stop block (21).

2. The accurate leak source location check out test set of municipal pipeline of claim 1, characterized in that: drive arrangement installs gyro wheel (12) including ring piece (11) of fixed mounting at detector (2) right-hand member, the surface rotation of ring piece (11) installs, the bottom fixed mounting of ring piece (11) right-hand member has fixed block (13), drive wheel (14) are installed in the inside rotation of fixed block (13), the back fixedly connected with motor (15) of drive wheel (14).

3. The accurate leak source location check out test set of municipal pipeline according to claim 2, characterized in that: the shape of the ring block (11) is annular, and the number of the rollers (12) is five and is uniformly distributed.

4. The accurate leak source location check out test set of municipal pipeline of claim 1, characterized in that: the lateral surface (with the contact surface of municipal administration pipeline (1) inner wall) of gyro wheel (12) is the curved surface, and the curved surface radian equals with the crookedness numerical value of municipal administration pipeline (1) inner wall.

5. The accurate leak source location check out test set of municipal pipeline of claim 1, characterized in that: the quantity of riser (18) is eight, eight two liang of a set of riser (18), every group all rotate between riser (18) and install two second horizontal poles (19), down tube (20) are located between two second horizontal poles (19).

6. The accurate leak source location check out test set of municipal pipeline according to claim 2, characterized in that: second recess (22) have been seted up to the inside of ring piece (11), the inside of second recess (22) is slided and is installed stopper (23), stopper (23) and gyro wheel (12) fixed connection, the inside elastic connection of second recess (22) has second spring (24) that are located stopper (23) bottom.

7. The accurate leak source location check out test set of municipal pipeline of claim 1, characterized in that: the movable ring (7) is annular, and the movable ring (7) is made of rubber.

8. The accurate leak source location check out test set of municipal pipeline of claim 1, characterized in that: the cross section of the detector (2) is I-shaped, and the two sides of the detector are protruded while the middle part of the detector is sunken.