CN215180054U

CN215180054U - Nondestructive detector for pipeline breach

Info

Publication number: CN215180054U
Application number: CN202121383418.7U
Authority: CN
Inventors: 王煊赫
Original assignee: North China University of Water Resources and Electric Power
Current assignee: North China University of Water Resources and Electric Power
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-12-14
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses a nondestructive pipeline breach detector, which comprises an installation cylinder and a pressurizing assembly, wherein one end of the installation cylinder is provided with an induction area, the induction area is provided with a pressurizing valve port and a pressure sensor, the joint of the induction area and the installation cylinder is provided with an air bag part, a limiting plate with a clamping structure is fixed at the center of the installation cylinder, and the pressurizing assembly comprises a first air pump and a second air pump; what distinguish with traditional pipeline detection device is that, the junction of detector and pipeline adopts gasbag spare to seal, and gasbag spare is linked together with the air pump, seals the mouth of pipe through launching, can effectively adapt to the body of different specifications, and the limiting plate on the detector is provided with clamping structure, can fix the detector when the detector gos deep into the pipeline, and the good reliability.

Description

Nondestructive detector for pipeline breach

Technical Field

The utility model relates to a pipeline inspection technical field specifically is a pipeline breach nondestructive test ware.

Background

When testing closed pipeline, often will use pressure detector to detect the pipeline under the encapsulated situation to whether the breach appears in the observation. The traditional pipeline pressure detection device comprises a device body, a pressure sensor, a sealing plug and a pressure pump. However, in use, because the sealing plug is often a fixed type, the sealing plug is often only used for a pipe body matched with the sealing plug, the adaptability is low, and the detector is easy to fall off under the action of pressure during sealing, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipeline breach nondestructive test ware to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a nondestructive pipeline breach detector comprises an installation barrel and a pressurizing assembly, wherein one end of the installation barrel is provided with an induction area, a pressurizing valve port and a pressure sensor are arranged on the induction area, an air bag part is arranged at the joint of the induction area and the installation barrel, and a limiting plate with a clamping structure is fixed at the center of the installation barrel;

the pressurizing assembly comprises a first air pump and a second air pump, the first air pump is arranged on one side of the limiting plate, which is far away from the induction area, and is fixedly connected with the outer wall of the mounting cylinder through an air pump seat, the output end of the first air pump is connected with an air delivery pipe, and the air delivery pipe is communicated with the air bag piece;

the second air pump is arranged at one end of the mounting cylinder far away from the induction area and is detachably connected with the mounting cylinder, and the output end of the second air pump is connected with an air guide pipe which is communicated with the pressurizing valve port.

Preferably, the clamping structure includes the fixed plate, and the both sides of installation section of thick bamboo are arranged in to the fixed plate and keep away from one side end wall fixed connection of first air pump with the limiting plate, and fixed plate center department is equipped with the bolt seat, is equipped with the gim peg on the bolt seat, and the gim peg cooperates with the bolt seat and carries out the centre gripping to the body of cover establishing outside the installation section of thick bamboo.

Preferably, both ends of the fixing bolt extend to the outside of the bolt seat, one end of the fixing bolt, which is far away from the installation cylinder, is provided with a screwing part, the other end of the fixing bolt is provided with a clamping block, and one end of the clamping block, which is close to the installation cylinder, is an arc surface.

Preferably, the sensing area is provided with an annular cover, and the annular cover is sleeved outside the pressurizing valve port and is connected with the sensing area.

Preferably, one end of the second air pump penetrates into an installation groove formed in the end part of the installation cylinder and is in threaded fit with the installation groove.

Preferably, one end, far away from the mounting groove, of the second air pump is provided with a handle, the handle is provided with a display panel, and the display panel is electrically connected with the pressure sensor.

Compared with the prior art, the beneficial effects of the utility model are that: the junction of detector and pipeline adopts gasbag spare to seal, gasbag spare is linked together with the air pump, seal the mouth of pipe through launching, can effectively adapt to the body of different specifications, limiting plate on the detector is provided with clamping structure, can be when the detector gos deep into the pipeline, fix the detector, the good reliability, the setting of annular cover can protect pressurization valve port and pressure sensor in addition, the force (forcing) pump that links to each other with the pressurization valve port passes through the screw thread mode and can dismantle with the detector and be connected, easy personnel change is maintained, the convenience is strong.

Drawings

FIG. 1 is a schematic diagram of a nondestructive pipeline breach detector.

FIG. 2 is a schematic diagram of the structure of a bladder member in a nondestructive pipeline flaw detector.

FIG. 3 is a schematic structural diagram of a fixing plate in the nondestructive pipeline flaw detector.

In the figure: 1. mounting the cylinder; 2. an air pump base; 3. a first air pump; 4. mounting grooves; 5. a second air pump; 6. a handle; 7. a limiting plate; 8. a gas delivery pipe; 9. an air bag member; 10. a sensing region; 11. an annular shroud; 12. a pressurizing valve port; 13. a pressure sensor; 14. a fixing plate; 15. a bolt seat; 16. a fixing bolt; 17. a clamping block; 18. and a screwing part.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-3, in an embodiment of the present invention, a nondestructive detector for a broken pipeline includes an installation cylinder 1, and further includes a pressurizing assembly, wherein an induction area 10 is disposed at one end of the installation cylinder 1, a pressurizing valve port 12 and a pressure sensor 13 are disposed on the induction area 10, an airbag 9 is disposed at a connection position of the induction area 10 and the installation cylinder 1, and a limiting plate 7 with a clamping structure is fixed at a center of the installation cylinder 1; the mounting cylinder 1 is penetrated into a pipeline to be detected, and the limiting plate 7 is propped against the pipe orifice.

The pressurizing assembly comprises a first air pump 3 and a second air pump 5, the first air pump 3 is arranged on one side, away from the induction area 10, of the limiting plate 7 and is fixedly connected with the outer wall of the mounting barrel 1 through an air pump seat 2, the output end of the first air pump 3 is connected with an air delivery pipe 8, and the air delivery pipe 8 is communicated with the air bag piece 9;

the second air pump 5 is arranged at one end of the mounting cylinder 1 far away from the induction area 10 and is detachably connected with the mounting cylinder 1, the output end of the second air pump 5 is connected with an air guide pipe, and the air guide pipe is communicated with the pressurizing valve port 12; first air pump 3 starts, and first air pump 3 pressurizes gasbag spare 9 through gas-supply pipe 8, and gasbag spare 9 expandes and body inner wall in close contact with to seal the mouth of pipe in expanding, second air pump 5 starts, and the air duct pressurizes the pipeline through pressurization valve port 12, stops after the certain degree, detects through pressure sensor 13 whether the internal pressure of body appears floating, whether the pipeline appears breaking open.

The clamping structure comprises fixing plates 14, the fixing plates 14 are arranged on two sides of the mounting cylinder 1 and fixedly connected with the end wall of one side, far away from the first air pump 3, of the limiting plate 7, a bolt seat 15 is arranged at the center of each fixing plate 14, a fixing bolt 16 is assembled on each bolt seat 15, and each fixing bolt 16 is matched with each bolt seat 15 and clamps a pipe body sleeved outside the mounting cylinder 1;

two ends of a fixing bolt 16 extend out of the bolt seat 15, one end of the fixing bolt 16, which is far away from the mounting cylinder 1, is provided with a screwing part 18, the other end of the fixing bolt 16 is provided with a clamping block 17, and the end, which is close to the mounting cylinder 1, of the clamping block 17 is an arc surface; after the limiting plate 7 props against the pipe orifice, the fixing bolt 16 is rotated through the screwing part 18, the fixing bolt 16 enables the clamping block 17 to be connected with the outer wall of the testing pipe body in the rotating process, the clamping block 17 with the arc surface can improve the tightness of the connection part of the clamping block and the pipeline, and the clamping structure enables the mounting cylinder 1 to be stably fixed on the testing pipe body through clamping the pipeline.

The sensing area 10 is provided with an annular cover 11, and the annular cover 11 is sleeved outside the pressurizing valve port 12 and is connected with the sensing area 10; the annular cover 11 is fitted over the pressurizing valve port 12, and is used to protect the pressurizing valve port 12 and the pressure sensor 13, and to guide the air flow forward during air injection, thereby reducing the pressure on the airbag 9.

One end of the second air pump 5 penetrates into the mounting groove 4 formed in the end part of the mounting cylinder 1 and is in threaded fit with the mounting groove 4; a handle 6 is arranged at one end of the second air pump 5 far away from the mounting groove 4, a display panel is arranged on the handle 6, and the display panel is electrically connected with the pressure sensor 13; the inner wall of the mounting groove 4 is provided with an internal thread, the outer wall of the second air pump 5 is provided with an external thread, the second air pump 5 penetrates into the mounting groove 4 in a threaded mode and is detachably connected with the mounting groove 4, the second air pump 5 is convenient to replace and maintain by personnel, and the handle 6 is provided with a display panel for displaying and testing the pressure value in the pipe body.

The utility model discloses a theory of operation is: the mounting tube 1 penetrates into a pipeline to be detected, the fixing bolt 16 is rotated after the limiting plate 7 is abutted against the orifice, the clamping block 17 is connected with the outer wall of the testing tube body by the fixing bolt 16 in the rotation process, the first air pump 3 is started, the first air pump 3 pressurizes the air bag part 9 through the air pipe 8, the air bag part 9 is unfolded to be in close contact with the inner wall of the tube body, the orifice is sealed in the unfolding, the second air pump 5 is started, and the air guide pipe pressurizes the pipeline through the pressurizing valve port 12; the gasbag seals the mouth of pipe through launching, can effectively adapt to the body of different specifications, and adaptability is wide in range, and limiting plate 7 on the detector is provided with clamping structure in addition, can fix the detector when the detector gos deep into the pipeline, and the good reliability.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The nondestructive detector for the pipeline fracture comprises an installation barrel (1) and is characterized by further comprising a pressurizing assembly, wherein one end of the installation barrel (1) is provided with a sensing area (10), a pressurizing valve port (12) and a pressure sensor (13) are arranged on the sensing area (10), an air bag part (9) is arranged at the joint of the sensing area (10) and the installation barrel (1), and a limiting plate (7) with a clamping structure is fixed at the center of the installation barrel (1);

the pressurizing assembly comprises a first air pump (3) and a second air pump (5), the first air pump (3) is arranged on one side, away from the induction area (10), of the limiting plate (7) and is fixedly connected with the outer wall of the mounting barrel (1) through an air pump seat (2), the output end of the first air pump (3) is connected with an air conveying pipe (8), and the air conveying pipe (8) is communicated with the air bag piece (9);

the second air pump (5) is arranged at one end, far away from the induction area (10), of the mounting barrel (1) and is detachably connected with the mounting barrel (1), an output end of the second air pump (5) is connected with an air guide pipe, and the air guide pipe is communicated with the pressurizing valve port (12).

2. The nondestructive detector of pipeline breach according to claim 1, wherein the clamping structure includes a fixing plate (14), the fixing plate (14) is disposed at two sides of the installation cylinder (1) and fixedly connected with a side end wall of the limiting plate (7) far away from the first air pump (3), a bolt seat (15) is disposed at the center of the fixing plate (14), a fixing bolt (16) is assembled on the bolt seat (15), and the fixing bolt (16) is matched with the bolt seat (15) and clamps a pipe body sleeved outside the installation cylinder (1).

3. The nondestructive detector for pipeline openings according to claim 2, wherein two ends of the fixing bolt (16) extend out of the bolt seat (15), a screwing part (18) is arranged at one end of the fixing bolt (16) far away from the installation cylinder (1), a clamping block (17) is arranged at the other end of the fixing bolt (16), and the end, close to the installation cylinder (1), of the clamping block (17) is an arc surface.

4. The nondestructive detector for pipeline rupture according to claim 1, wherein the sensing region (10) is provided with an annular cover (11), and the annular cover (11) is sleeved outside the pressurizing valve port (12) and connected with the sensing region (10).

5. The nondestructive detector for pipeline breakage according to claim 1, wherein one end of the second air pump (5) penetrates into the mounting groove (4) formed in the end of the mounting cylinder (1) and is in threaded fit with the mounting groove (4).

6. The nondestructive pipeline breach detector of claim 5, wherein a handle (6) is disposed at an end of the second air pump (5) away from the mounting groove (4), a display panel is disposed on the handle (6), and the display panel is electrically connected to the pressure sensor (13).