CN219104054U

CN219104054U - Pipeline detection device

Info

Publication number: CN219104054U
Application number: CN202122453663.7U
Authority: CN
Inventors: 张仲青; 张长青; 俞江辉; 胡鹏飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2023-05-30
Anticipated expiration: 2031-10-12

Abstract

The utility model relates to a pipeline detection device which comprises a first connecting pipe, a switching device, a leakage preventing device and a sensor, wherein the first connecting pipe is arranged on the outer side wall of a pipeline, the end part of the switching device is sleeved on the first connecting pipe, the end part of the leakage preventing device is inserted into the other end of the switching device, the sensor penetrates through the switching device and the leakage preventing device, the sensor penetrates through the first connecting pipe and is inserted into the pipeline, the leakage preventing device comprises a connecting piece inserted into the switching device, a clamping piece for clamping the sensor, a central through hole penetrating through the connecting piece and the clamping piece and at least one sealing ring for preventing medium in the pipeline from leaking is arranged on the inner wall surface of the clamping piece.

Description

Pipeline detection device

Technical Field

The utility model relates to the field of pipeline detection, in particular to a pipeline detection device.

Background

At present, a plug-in sensor is commonly used for measuring the medium in the pipeline, but the sensor is often required to be replaced when in use. In the prior art, there are generally two methods for replacing the sensor: one is to stop the pipe transport and drain the medium; one is to keep the medium in the pipe flowing and directly replace the sensor, but due to lack of leakage prevention means, the medium in the pipe tends to leak. The former method causes an increase in process cost, while the latter method has a great potential safety hazard, and both methods are not preferable.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a pipeline detection device aiming at the defects in the prior art.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a structure pipeline detection device for the detection of pipeline, pipeline detection device is in including establishing the first connecting pipe of the lateral wall of pipeline, one end sealing connection be in switching device, sealing connection of switching device other end leak protection device, and wear to locate switching device and leak protection device's sensor, the sensor passes first connecting pipe inserts in the pipeline, wherein, leak protection device include with switching device sealing connection's connecting piece, centre gripping the holder of sensor, run through the connecting piece with the central through-hole of holder, and be equipped with at least one with the elastic sealing piece that the sensor outer wall seals to meet on the inner wall surface of holder.

Preferably, the anti-leakage device further comprises a fastener arranged at the opening of the clamping piece, wherein an inner thread is arranged on the inner side wall of the fastener, an outer thread is arranged on the outer side wall of the opening of the clamping piece, and the fastener is in threaded connection with the clamping piece.

Preferably, the sensor comprises a sensor probe rod for collecting medium signals in the pipeline, a sensor body for receiving and processing the medium signals, and a connecting part arranged at the upper section of the sensor probe rod, wherein a limiting part which is arranged on the outer side wall of the connecting part in an outward circumferential extension manner and used for preventing the sensor probe rod (51) from contacting the bottom of the pipeline is arranged.

Preferably, the connecting portion comprises a first connecting portion close to the sensor body and a second connecting portion far away from the sensor body, the first connecting portion is a polygonal column-shaped component fixedly connected with the sensor probe rod, the second connecting portion is a column-shaped component with an outer side wall provided with an outer thread, an inner thread is arranged on the inner side wall of the opening of the clamping piece, and the second connecting portion is in threaded connection with the clamping piece connecting piece.

Preferably, the sensor is a flow sensor, a temperature sensor or a pressure sensor.

Preferably, the switch device comprises a ball valve, and a ball valve handle for controlling the opening and closing of a valve clack in the ball valve switch is arranged on the outer side wall of the ball valve.

Preferably, the ball valve opening is provided with an internal thread, the outer side wall of the connecting piece is provided with an external thread, and the ball valve is in threaded connection with the connecting piece.

Preferably, the elastic sealing element is an elastic silica gel ring or a rubber ring.

Preferably, a purging device is arranged on the inner side wall of the first connecting pipe, and the purging device purges and cleans the medium attached to the sensor probe rod.

Preferably, the inner side wall at the tail end of the ball valve is provided with an inner thread, the outer side wall at the opening of the first connecting pipe is provided with an outer thread, and the ball valve is in threaded connection with the first connecting pipe.

The pipeline detection device has the following beneficial effects: through set up in pipeline detection device and prevent leaking the device, when changing the sensor, extract the sensor probe rod from the pipeline to between switching device valve and the anti-leakage device, close the valve, extract the sensor completely, can avoid the medium in the pipeline to leak in a large number and to detect the injury that the workman caused under the circumstances that the medium was carried in the pipeline need not stopping, moreover simple structure does not need to carry out big change to the pipeline, greatly reduced the cost.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic cross-sectional view of a pipeline inspection device according to the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the utility model. The connections shown in the drawings are for clarity of description only and are not limiting in terms of connections.

It is to be understood that the terms "first," "second," "third," "fourth," and the like are merely for convenience in describing the embodiments of the present utility model and are not to be construed as limiting the utility model, as the devices or elements referred to must have a particular order. It should be noted that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

As shown in fig. 1, the pipe detection device provided by the utility model is used for detecting a pipe 1, and comprises a first connecting pipe 2 arranged on the outer side wall of the pipe 1, a switching device 3 with one end connected with the first connecting pipe 2 in a sealing way, a leakage preventing device 4 connected with the other end of the switching device 3 in a sealing way, and a sensor 5 penetrating through the switching device 3 and the leakage preventing device 4, wherein the sensor 5 is inserted into the pipe 1 through the first connecting pipe 2, the leakage preventing device 4 comprises a connecting piece 41 connected with the switching device 3 in a sealing way, a clamping piece 42 for clamping the sensor 5, a central through hole 43 penetrating through the connecting piece 41 and the clamping piece 42, and at least one elastic sealing piece 44 connected with the outer wall of the sensor 5 in a sealing way is arranged on the inner wall surface of the clamping piece 42.

Further, the elastic sealing member 44 is a corrosion-resistant elastic silica gel ring or rubber ring, and preferably, the elastic sealing member 44 is detachably connected to the inner wall surface of the holding member 42.

In some embodiments, the anti-leakage device 4 further comprises a fastener 45 disposed at the opening of the clamping member 42, wherein the inner side wall of the fastener 45 is provided with an internal thread, the outer side wall of the opening of the clamping member 42 is provided with an external thread, and the fastener 45 is in threaded connection with the clamping member 42. Preferably, the fastener 45 may be a hexagonal nut, and in combination with an adjustable wrench, the contact between the inner side wall of the clamping member 42 and the sensor 5 may be further reinforced, however, the fastener 45 may be other locking structures, which are not limited herein.

In some embodiments, the sensor 5 includes a sensor probe 51 for collecting a medium signal in the pipe 1, a sensor body for receiving and processing the medium signal, and a connection portion provided at an upper section of the sensor probe 51, and a stopper 523 provided to extend outward circumferentially on an outer sidewall of the connection portion for preventing the sensor probe 51 from contacting the bottom of the pipe 1.

Further, the connecting portion includes a first connecting portion 521 that is close to the sensor body and a second connecting portion 522 that is far away from the sensor body, the first connecting portion 521 is a polygonal cylindrical member fixedly connected with the sensor probe rod 51, the second connecting portion 522 is a bolt with external threads on an outer sidewall, an internal thread is disposed on an inner sidewall of an opening of the clamping member 42, and the second connecting portion 522 is in threaded connection with the clamping member 42. Preferably, the first connecting portion 521 is a hexagonal nut, and the second connecting portion 522 is a cylindrical screw, however, the connecting manner of the connecting portion and the clamping member 42 may be other connecting manners, such as a snap-fit connection, which is not limited herein.

Further, the sensor 5 is a flow sensor, a temperature sensor or a pressure sensor.

In some embodiments, the opening and closing device 3 comprises a ball valve and a ball valve handle 31 which is arranged on the outer side wall of the ball valve and controls the opening and closing of a valve clack inside the ball valve. Preferably, the ball valve handle may be a single-armed or roulette handle.

Further, an internal thread is arranged at the opening of the ball valve, an external thread is arranged on the outer side wall of the connecting piece 41, and the ball valve is in threaded connection with the connecting piece 41. Of course, the connection between the ball valve and the connecting piece 41 may be other connection methods, such as a snap-fit connection, which is not limited herein.

In some embodiments, a purging device is provided on the inner side wall of the first connecting tube 2, which purges the medium attached to the sensor probe 51.

Further, the inside wall at the tail end of the ball valve is provided with an internal thread, the outside wall at the opening of the first connecting pipe 2 is provided with an external thread, and the ball valve is in threaded connection with the first connecting pipe 2. Of course, the connection of the ball valve to the first connecting tube 2 may also be made in other ways, such as a snap-in connection, which is not further limited here.

As shown in fig. 1, when the sensor 5 is taken out, the fastener 45 is unscrewed by the adjustable wrench, then the connecting part of the sensor 5 is unscrewed from the clamping piece 42 by the adjustable wrench, then the sensor 5 is slowly pulled out, when the tail end of the sensor probe rod 51 just passes through the valve clack of the ball valve, the ball valve handle 31 is rotated to close the ball valve, and finally the sensor 5 is completely pulled out. Similarly, when the sensor 5 is installed, the sensor 5 is slowly inserted, when the tail end of the sensor probe 51 just contacts the valve clack of the ball valve, the ball valve handle 31 is rotated to open the ball valve, then the second connecting part of the sensor 5 and the clamping piece 42 are screwed by using the adjustable wrench until the limiting piece 523 abuts against the top of the clamping piece 42, namely, the sensor 5 is completely inserted into the pipeline 1, and finally the fastening piece 45 and the clamping piece 42 are screwed by using the adjustable wrench.

It is to be understood that the above examples only represent preferred embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that, for a person skilled in the art, the above technical features can be freely combined, and several variations and modifications can be made without departing from the scope of the utility model; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. A pipeline detection device for detecting a pipeline (1), which is characterized by comprising a first connecting pipe (2) arranged on the outer side wall of the pipeline (1), a switching device (3) with one end connected with the end part of the first connecting pipe (2) in a sealing way, a leakage preventing device (4) connected with the other end of the switching device (3) in a sealing way, and a sensor (5) penetrating through the switching device (3) and the leakage preventing device (4), wherein the sensor (5) penetrates through the first connecting pipe (2) to be inserted into the pipeline (1),

the anti-leakage device (4) comprises a connecting piece (41) in sealing connection with the switch device (3), a clamping piece (42) for clamping the sensor (5), a central through hole (43) penetrating through the connecting piece (41) and the clamping piece (42), and at least one elastic sealing piece (44) in sealing connection with the outer wall of the sensor (5) is arranged on the inner wall surface of the clamping piece (42).

2. The pipe inspection device according to claim 1, wherein the leak protection device (4) further comprises a fastener (45) provided at the opening of the clamp (42), wherein,

the inner side wall of the fastener (45) is provided with an inner thread, the outer side wall of the opening of the clamping piece (42) is provided with an outer thread, and the fastener (45) is in threaded connection with the clamping piece (42).

3. The pipeline detection device according to claim 2, wherein the sensor (5) comprises a sensor probe (51) for collecting medium signals in the pipeline (1), a sensor body for receiving and processing the medium signals, and a connecting part arranged at the upper section of the sensor probe (51), and a limiting piece (523) which is arranged on the outer side wall of the connecting part in an outward circumferential direction and used for preventing the sensor probe (51) from contacting the bottom of the pipeline (1).

4. A pipeline inspection device according to claim 3, wherein the connection portion comprises a first connection portion (521) close to the sensor body and a second connection portion (522) far away from the sensor body, the first connection portion (521) is a polygonal column-shaped component fixedly connected with the sensor probe rod (51), the second connection portion (522) is a column-shaped component with an external thread on an outer side wall, an internal thread is on an inner side wall at an opening of the clamping piece (42), and the second connection portion (522) is in threaded connection with the connecting piece (41) of the clamping piece (42).

5. The pipe detection device according to claim 4, characterized in that the sensor (5) is a flow sensor, a temperature sensor or a pressure sensor.

6. The pipeline inspection device according to claim 5, wherein the switching device (3) comprises a ball valve and a ball valve handle (31) for controlling opening and closing of a ball valve clack inside the ball valve switch is arranged on the outer side wall of the ball valve.

7. The pipeline detection device according to claim 6, wherein the ball valve opening is provided with an internal thread, the outer side wall of the connecting piece (41) is provided with an external thread, and the ball valve is in threaded connection with the connecting piece (41).

8. The pipe inspection device of claim 7, wherein the resilient seal (44) is a resilient silicone or rubber ring.

9. The pipeline detection device according to claim 8, wherein a purging device is arranged on the inner side wall of the first connecting pipe (2), and the purging device purges and cleans a medium attached to the sensor probe rod (51).

10. The pipeline detection device according to claim 9, wherein the inner side wall of the tail end of the ball valve is provided with an inner thread, the outer side wall of the opening of the first connecting pipe (2) is provided with an outer thread, and the ball valve is in threaded connection with the first connecting pipe (2).