CN113154265A

CN113154265A - Detect different pipe diameter natural gas line leak hunting equipment

Info

Publication number: CN113154265A
Application number: CN202110433299.XA
Authority: CN
Inventors: 眭惠千
Original assignee: Hui Huiqian
Current assignee: Hui Huiqian
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-07-23

Abstract

The invention relates to the technical field of natural gas pipeline detection equipment, and discloses natural gas pipeline leakage detection equipment for detecting different pipe diameters. This detect different pipe diameter natural gas line leak hunting equipment can detect revealing of different pipe diameters, improve equipment's commonality, change through the inside volume of air cavity inhales inside with pipeline peripheral gas via air duct and induction port, and it is inside to go into transparent container side by side, and methane and the inside chlorine reaction of transparent container, the yellow green virtual rapid lightening under the illumination, generate oily liquid, easily observe, reach and adopt chlorine to detect the effect of revealing reduction detection cost.

Description

Detect different pipe diameter natural gas line leak hunting equipment

Technical Field

The invention relates to the technical field of natural gas pipeline detection equipment, in particular to natural gas pipeline leakage detection equipment for detecting different pipe diameters.

Background

Along with the development of science and technology, more and more resources are developed and utilized, the natural gas is one of them, the natural gas has the flammability, gas transmission pipeline is in case the emergence is leaked very dangerous, can also appear the possibility of explosion when meetting open fire, so the leakproofness of pipeline detects very importantly, current natural gas line check out test set can only detect the leakage of a pipe diameter, need adopt the check out test set of different specifications to the natural gas line of different pipe diameters size, the cost of detection has been improved, and in the testing process because the leak hunting appearance variety that the leak hunting principle difference was used is more, there is gas sensor, infrared laser check out test set, etc., make pipeline detection cost improve.

In order to solve the problems, the inventor provides natural gas pipeline leakage detection equipment for detecting different pipe diameters, the leakage detection equipment for detecting the natural gas pipelines with different pipe diameters can detect the leakage of different pipe diameters, the universality of the equipment is improved, peripheral gas of the pipelines is sucked into the pipeline through a gas guide pipe and a gas suction port through the change of the internal volume of a gas cavity and is discharged into a transparent container, methane reacts with chlorine in the transparent container, and the yellow green color is quickly lightened under illumination to generate oily liquid, so that the detection equipment is easy to observe, and the effect of reducing the detection cost by adopting the chlorine to detect the leakage is achieved.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the natural gas pipeline leakage detection equipment for detecting different pipe diameters, which has the advantages of being convenient for detecting the leakage of the pipelines with different pipe diameters and adopting chlorine gas for detection to reduce the cost, and solves the problems that the detection equipment only can detect one pipe diameter and adopts a sensor and laser to detect higher cost.

(II) technical scheme

In order to realize the purposes of conveniently detecting the leakage of pipelines with different pipe diameters and reducing the cost by adopting chlorine gas detection, the invention provides the following technical scheme: a natural gas pipeline leakage detection device for detecting different pipe diameters comprises a frame body, wherein the top of the frame body is fixedly connected with a disc body, the top of the disc body is fixedly connected with an air cavity, the top of the disc body is rotatably connected with a rotating wheel, the interior of the air cavity is movably connected with a piston, one end, far away from the disc body, of the air cavity is elastically connected with an air suction port, the top of the air cavity is elastically connected with an air outlet, the top end of the disc body is fixedly connected with a transparent container, the left end and the right end of the frame body are rotatably connected with a rotating shaft, the exterior of the rotating shaft is connected with a rotating disc through gear transmission, the interior of the rotating disc is fixedly connected with a sliding groove, the interior of the sliding groove is movably connected with a movable seat, one side, close to the center of the disc body, of the movable seat is fixedly connected with a support rod, the interior of the support rod is provided with an air guide pipe, one end, close to the center of the disc body, of the support rod is movably connected with a rolling ball, the one end that the sliding seat is close to disk body center articulates there is the telescopic link, the other end of sliding seat articulates there is the connecting rod, the one end that the disk body center was kept away from to the connecting rod articulates there is the movable block, the top fixedly connected with stopper of movable block, the one end fixedly connected with magnet at disk body center is kept away from to the movable block, the peripheral fixedly connected with electro-magnet of rolling disc is first.

Preferably, the left end and the right end of the frame body are rotatably connected with rotating shafts, the power of the rotating shafts comes from an external motor, the inside of the air cavity is matched with the outside of the piston, and the air outside the pipeline is extruded into the transparent container through the reciprocating movement of the piston.

Preferably, the power of the rotating wheel comes from an external motor, a bump is fixedly connected to the periphery of the rotating wheel, the interior of the piston is matched with the bump fixedly connected to the periphery of the rotating wheel, and the piston moves back and forth in the air cavity through the rotation of the rotating wheel.

Preferably, the air suction port and the air outlet are both elastically connected to the inner wall of the air cavity through springs, the air cavity is connected with the air suction port, the air outlet and the air guide pipe through air pipes, chlorine gas is filled at the left end and the right end inside the transparent container, through holes are formed in the left end and the right end of the top of the transparent container, the chlorine gas and leaked methane react quickly by squeezing the gas inside the air cavity into the transparent container under the illumination, and yellow green inside the left end and the right end of the transparent container quickly becomes light and oily substances are generated to indicate that the pipeline has leakage.

Preferably, the outside of rolling disc and the inside looks adaptation of disk body, the inside of spout and the cylindric protruding looks adaptation of sliding seat bottom fixed connection, the one end that is close to the disk body center of branch is rotated and is connected with the roller ball, makes the detection structure detect along the pipeline direction through the removal that promotes the support body.

Preferably, one end of the telescopic rod is hinged to the movable seat, the other end of the telescopic rod is hinged to the inside of the rotating disc, the outer portion of the movable block is matched with the inner portion of the rotating disc, and the movable seat is changed in position through movement of the connecting rod so that the detection mechanism clamps the periphery of the pipeline.

Preferably, the outside of stopper and the inside looks adaptation of rolling disc, movable block elastic connection is in the inside of rolling disc, the quantity of electro-magnet and magnet is eight, makes the movable block move to the rolling disc periphery under limiting displacement.

(III) advantageous effects

Compared with the prior art, the invention provides leakage detection equipment for detecting natural gas pipelines with different pipe diameters, which has the following beneficial effects:

1. this detect different pipe diameter natural gas line leak hunting equipment, through the inside fixed spout of connecting that comes of rolling disc, the inside swing joint of spout has the sliding seat, both ends articulate respectively has telescopic link and connecting rod about the sliding seat, repel the magnet through the start-up of electro-magnet, make the movable block to the inside removal of rolling disc, and then drive sliding seat and branch through the connecting rod and compress tightly natural gas line, thereby reach the effect that detects different pipe diameters and reveal, improve equipment's commonality.

2. This detect different pipe diameter natural gas line leak hunting equipment, there is the piston through the outside swing joint of the lug of the peripheral fixed connection of runner, the rotation of runner makes the piston at the inside reciprocating motion of air cavity, it inhales when the inside volume increase atmospheric pressure of air cavity reduces and inhales inside with pipeline peripheral gas via air duct and induction port, will absorb gas when the inside volume of air cavity extremely reduces atmospheric pressure and emits into transparent container inside via the gas outlet, react with the inside chlorine of transparent container, if yellow green is virtual under the illumination shallowly rapidly, and produce oily liquid, it reveals to show that the pipeline has the leakage, otherwise do not reveal, thereby reach and adopt chlorine to detect the effect of revealing the reduction detection cost.

Drawings

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

FIG. 2 is a schematic view illustrating the detection of the maximum pipe diameter according to the present invention;

FIG. 3 is an enlarged view of the detection structure of the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 1 at B in accordance with the present invention;

FIG. 6 is an enlarged view of the structure of FIG. 2 at C in accordance with the present invention;

fig. 7 is an enlarged view of the structure of fig. 3 according to the present invention at D.

In the figure: 1. a frame body; 2. a tray body; 3. an air cavity; 4. a rotating wheel; 5. a piston; 6. an air suction port; 7. an air outlet; 8. a transparent container; 9. a rotating shaft; 10. gear transmission is carried out; 11. rotating the disc; 12. a chute; 13. a movable seat; 14. a strut; 15. an air duct; 16. a rolling ball; 17. a telescopic rod; 18. a connecting rod; 19. a movable block; 20. a limiting block; 21. a magnet; 22. an electromagnet.

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.

Referring to fig. 1-7, a natural gas pipeline leakage detecting device for detecting different pipe diameters comprises a frame body 1, a disc body 2 is fixedly connected to the top of the frame body 1, an air cavity 3 is fixedly connected to the top of the disc body 2, a rotating wheel 4 is rotatably connected to the top of the disc body 2, the power of the rotating wheel 4 is from an external motor, a bump is fixedly connected to the periphery of the rotating wheel 4, the inside of a piston 5 is matched with the bump fixedly connected to the periphery of the rotating wheel 4, the piston 5 moves back and forth in the air cavity 3 by the rotation of the rotating wheel 4, the piston 5 is movably connected to the inside of the air cavity 3, an air inlet 6 is elastically connected to one end of the air cavity 3 far away from the disc body 2, the air inlet 6 and an air outlet 7 are elastically connected to the inner wall of the air cavity 3 through springs, the air cavity 3 is connected with the air inlet 6, the air outlet 7 and an air duct 15 through an air duct, and chlorine is filled at the left end and the right end inside a transparent container 8, the left end and the right end of the top of the transparent container 8 are provided with through holes, gas inside the air cavity 3 is squeezed into the transparent container 8, under the illumination, the reaction of chlorine and leaked methane is rapid, the yellow-green inside of the left end and the right end of the transparent container 8 is rapidly lightened, oily substances are generated to indicate that the pipeline has leakage, the top of the air cavity 3 is elastically connected with an air outlet 7, the top of the tray body 2 is fixedly connected with the transparent container 8, the left end and the right end of the tray body 1 are rotatably connected with a rotating shaft 9, the power of the rotating shaft 9 is from an external motor, the inside of the air cavity 3 is matched with the outside of the piston 5, the gas outside the pipeline is squeezed into the transparent container 8 by the reciprocating movement of the piston 5, the outside of the rotating shaft 9 is in transmission connection with a rotating disc 11 through a gear transmission 10, and the outside of the rotating disc 11 is matched with the inside of the tray body 2, the inside of the sliding chute 12 is matched with a cylindrical bulge fixedly connected with the bottom end of a movable seat 13, one end of a supporting rod 14 close to the center of a disc body 2 is rotatably connected with a rolling ball 16, the detection structure is detected along the direction of a pipeline by pushing the frame body 1 to move, the inside of the rotating disc 11 is fixedly connected with the sliding chute 12, the inside of the sliding chute 12 is movably connected with the movable seat 13, one side of the movable seat 13 close to the center of the disc body 2 is fixedly connected with the supporting rod 14, the inside of the supporting rod 14 is provided with an air duct 15, one end of the supporting rod 14 close to the center of the disc body 2 is movably connected with the rolling ball 16, one end of the movable seat 13 close to the center of the disc body 2 is hinged with a telescopic rod 17, one end of the telescopic rod 17 is hinged on the movable seat 13, the other end of the telescopic rod is hinged inside the rotating disc 11, the outside of a movable block 19 is matched with the inside of the rotating disc 11, the movable seat 13 is changed in position by the movement of a connecting rod 18, so that the detection mechanism clamps the periphery of the pipeline, the other end of sliding seat 13 articulates there is connecting rod 18, the one end that connecting rod 18 kept away from disk body 2 center articulates there is movable block 19, the top fixedly connected with stopper 20 of movable block 19, stopper 20's outside and rolling disc 11's inside looks adaptation, movable block 19 elastic connection is in the inside of rolling disc 11, the quantity of electro-magnet 22 and magnet 21 is eight, make movable block 19 remove to rolling disc 11 periphery under limiting displacement, the one end fixedly connected with magnet 21 at disk body 2 center is kept away from to movable block 19, the peripheral fixedly connected with electro-magnet 22 of rolling disc 11.

The working process and principle are as follows: when detecting the natural gas pipeline, the pipeline to be detected is arranged in the tray body 2, the electromagnet 22 is started, at the moment, the electromagnet 22 excites the magnetic field to repel the magnet 21, the magnet 21 is repelled to move towards the opposite direction, the movable block 19 moves towards one side of the pipeline under the limiting action of the limiting block 20 and the thrust of the magnet 21, the bottom end of the movable block 19 is hinged with the connecting rod 18, the other end of the connecting rod 18 is hinged with the movable seat 13, one end of the movable seat 13 close to the pipeline is hinged with the telescopic rod 17, the other end of the telescopic rod 17 is hinged in the rotating disc 11, the movable seat 13 drives the supporting rod 14 to approach towards one side of the pipeline under the limiting action of the sliding groove 12, the natural gas pipeline is clamped after the rolling ball 16 movably connected in the supporting rod 14 contacts the pipeline, thereby the natural gas pipelines with different pipe diameters can be clamped, after the clamping, the external motor is started, at the moment, the first rotating shaft 9 rotates, the outer part of the first rotating shaft 9 is in transmission connection with a rotating disc 11 through a gear transmission 10, along with the rotation of the rotating disc 11, an internal structure is driven to rotate on the plane of a pipeline, the pipeline is in contact with a rolling ball 16, the rolling ball 16 is movably connected in a supporting rod 14, a detection mechanism rotates around a natural gas pipeline, an electrode in transmission connection with a rotating wheel 4 is started, the rotating wheel 4 rotates, a piston 5 is movably connected to the outer part of a bump fixedly connected to the end part of the rotating wheel 4, the piston 5 reciprocates in an air cavity 3 based on the rotation of the rotating wheel 4, air suction is carried out when the volume in the air cavity 3 is increased and air pressure is reduced, the air suction port 6 is opened at the moment, an air outlet 7 is closed, the air cavity 3 and an air guide pipe 15 are communicated, the peripheral gas of the natural gas pipeline is sucked into the interior through the air guide pipe 15 and the air suction port 6, when the piston 5 moves to enable the volume in the air cavity 3 to be reduced and the air pressure is increased, the air outlet 7 is opened, the air suction port 6 is closed, and the sucked air is discharged into the transparent container 8 through the air outlet 7 according to the formula:

according to the formula, when a pipeline leaks, the main component methane of the natural gas reacts with chlorine in the transparent container 8, four substitution products of the reaction of the methane and the chlorine are insoluble in water, except methane chloride which is gas at normal temperature, the other three types of liquid are oily liquids, if the yellow green color is weakened under illumination, the oily liquid is generated, the pipeline is leaked, otherwise, the leakage is not generated, the effect of detecting the leakage by adopting the chlorine is achieved, the detection cost is reduced, and after the pipeline at one position is detected, the frame body 1 is continuously pushed to enable the detection mechanism to continuously detect the next position.

To sum up, this detect different pipe diameter natural gas line leak hunting equipment, spout 12 through 11 inside fixed connections of rolling disc, the inside swing joint of spout 12 has movable seat 13, both ends articulate respectively has telescopic link 17 and connecting rod 18 about movable seat 13, start through electro-magnet 22 and repel magnet 21, make movable block 19 to 11 inside removals of rolling disc, and then drive movable seat 13 and branch 14 through connecting rod 18 and compress tightly natural gas line, thereby reach the effect that detects different pipe diameters and reveal, improve equipment's commonality.

And, this detect different pipe diameter natural gas line leak hunting equipment, there is piston 5 through the outside swing joint of the lug of the peripheral fixed connection of runner 4, the rotation of runner 4 makes piston 5 at the inside reciprocating motion of air cavity 3, breathe in when the inside volume of air cavity 3 increases atmospheric pressure and reduce and inhale inside with pipeline peripheral gas via air duct 15 and induction port 6, will absorb gas and discharge into transparent container 8 inside via gas outlet 7 when the inside volume of air cavity 3 extremely reduces atmospheric pressure and increase, react with the inside chlorine of transparent container 8, if the yellow green virtual rapidly becomes shallow under the illumination, and produce oily liquid, it reveals to show that the pipeline has the leakage, otherwise does not reveal, thereby reach and adopt chlorine to detect the effect of revealing reduction detection cost.

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 a detect different pipe diameter natural gas line leak hunting equipment, includes support body (1), its characterized in that: the top of the frame body (1) is fixedly connected with a disc body (2), the top of the disc body (2) is fixedly connected with an air cavity (3), the top of the disc body (2) is rotatably connected with a rotating wheel (4), the inside of the air cavity (3) is movably connected with a piston (5), one end, far away from the disc body (2), of the air cavity (3) is elastically connected with an air suction port (6), the top of the air cavity (3) is elastically connected with an air outlet (7), the top end of the disc body (2) is fixedly connected with a transparent container (8), the left end and the right end of the frame body (1) are rotatably connected with a rotating shaft (9), the outside of the rotating shaft (9) is in transmission connection with a rotating disc (11) through a gear transmission (10), the inside of the rotating disc (11) is fixedly connected with a sliding groove (12), the inside of the sliding groove (12) is movably connected with a movable seat (13), one side, close to the movable seat (13), close to the center of the disc body (2), is fixedly connected with a supporting rod (14), air duct (15) have been seted up to the inside of branch (14), one end swing joint that branch (14) are close disk body (2) center has roll ball (16), the one end that disk body (2) center is close in movable seat (13) articulates there is telescopic link (17), the other end of movable seat (13) articulates there is connecting rod (18), the one end that disk body (2) center was kept away from in connecting rod (18) articulates there is movable block (19), the top fixedly connected with stopper (20) of movable block (19), one end fixedly connected with magnet (21) at disk body (2) center are kept away from in movable block (19), the peripheral fixedly connected with electro-magnet (22) of rolling disc (11).

2. The leakage detection device for the natural gas pipelines with different pipe diameters, according to claim 1, is characterized in that: the left end and the right end of the frame body (1) are rotatably connected with rotating shafts (9), the power of the rotating shafts (9) comes from an external motor, and the inside of the air cavity (3) is matched with the outside of the piston (5).

3. The leakage detection device for the natural gas pipelines with different pipe diameters, according to claim 1, is characterized in that: the power of the rotating wheel (4) comes from an external motor, a convex block is fixedly connected to the periphery of the rotating wheel (4), and the interior of the piston (5) is matched with the convex block fixedly connected to the periphery of the rotating wheel (4).

4. The leakage detection device for the natural gas pipelines with different pipe diameters, according to claim 1, is characterized in that: the air suction port (6) and the air outlet (7) are elastically connected to the inner wall of the air cavity (3) through springs, the air cavity (3) is connected with the air suction port (6), the air outlet (7) and the air duct (15) through air pipes, chlorine is filled at the left end and the right end inside the transparent container (8), and through holes are formed in the left end and the right end of the top of the transparent container (8).

5. The leakage detection device for the natural gas pipelines with different pipe diameters, according to claim 1, is characterized in that: the outside of rolling disc (11) and the inside looks adaptation of disk body (2), the inside and the cylindric protruding looks adaptation of sliding seat (13) bottom fixed connection of spout (12), the one end that is close disk body (2) center of branch (14) is rotated and is connected with ball (16).

6. The leakage detection device for the natural gas pipelines with different pipe diameters, according to claim 1, is characterized in that: one end of the telescopic rod (17) is hinged to the movable seat (13), the other end of the telescopic rod is hinged to the inside of the rotating disc (11), and the outside of the movable block (19) is matched with the inside of the rotating disc (11).

7. The leakage detection device for the natural gas pipelines with different pipe diameters, according to claim 1, is characterized in that: the outside of stopper (20) and the inside looks adaptation of rolling disc (11), movable block (19) elastic connection is in the inside of rolling disc (11), the quantity of electro-magnet (22) and magnet (21) is eight.