CN114308927A

CN114308927A - Pigging passing indicator

Info

Publication number: CN114308927A
Application number: CN202210073344.XA
Authority: CN
Inventors: 李良; 王正堂; 伊鸿杰; 樊玉琨; 廖朝睿
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-04-12

Abstract

The invention relates to the technical field of oil and gas conveying devices, in particular to a pigging passing indicator which comprises an oil and gas pipeline, a pipe arranged on the oil and gas pipeline, an upper transmission rod, an upper flange, an octagonal pad, an O-shaped sealing ring a, a spring hanging plate, a spring, a transmission seat, a guide block, a middle transmission rod, an O-shaped sealing ring b, a sealing block, a lower flange, a bolt, a lower transmission rod, a rotating device, a pipe and a pigging ball. The pigging passing indicator is simple in structure, safe and reliable, triggers and alarms through movement and mechanical touch of a pipe cleaner, and is transmitted to a central control room in a plurality of ways in combination with signals, so that the pigging passing indicator can better monitor operation of the pipe cleaner.

Description

Pigging passing indicator

Technical Field

The invention relates to the technical field of oil and gas conveying devices, in particular to a pigging passing indicator.

Background

After the oil and gas pipeline operates for a long time, solid pollutants such as paraffin and rust and some liquid, the solid greasy dirt of semi-condensation state are probably deposited to the pipeline internal wall face, make pipeline flow area reduce, influence pipeline transport capacity, and these solid dirt are attached to the pipeline inner wall for a long time, through complicated chemical action, the corruption of pipeline probably accelerates, influence oil gas delivery pipeline's security performance, consequently must regularly clear up the pipeline inner wall, at present, the pig that people managed the dredging pipe commonly used mainly has rubber dredging pipe ball, the foam pig, leather cup pig etc.. However, the tools used for pig reception require specialized technicians to operate and, if not, time to learn instructions and precautions. Even if the technical key is mastered, the problem of signal interference is also generated when the pipeline cleaner is used, and the tracking failure of the pipeline cleaner is caused.

Disclosure of Invention

To address the problems in the prior art, the present invention provides a pigging pass indicator.

The technical scheme adopted by the invention for solving the technical problems is as follows: a pigging passing indicator comprises an oil-gas pipeline, a pipe arranged on the oil-gas pipeline, an upper transmission rod, an upper flange, an octagonal pad, an O-shaped sealing ring a, a spring hanging plate, a spring, a transmission seat, a guide block, a middle transmission rod, an O-shaped sealing ring b, a sealing block, a lower flange, a bolt, a lower transmission rod, a rotating device, a pipe and a pigging ball;

the bottom of transmission seat is connected with the top of pipe through two lower flanges, two the lower flange passes through bolted connection, install down the transfer line in the pipe, the top of sensing pole runs through the lower flange down and is connected with well transfer line through sealed piece down, the top of well transfer line is passed through the guide block and is connected with last transfer line, the top of going up the transfer line runs through the upper flange and installs pilot lamp, teletransmission signal display, switch and insulator head, it is connected with the transmission seat through spring link plate and spring to go up the transfer line, spring link plate and spring are located the transmission seat.

Specifically, the two rolling bearings are connected through a connecting rod along the axial direction, and an internal thread connecting hole is formed in the middle of the connecting rod.

Specifically, the middle part of the transmission seat is a cavity, an annular groove is formed in the bottom of the cavity, and an O-shaped sealing ring b is arranged in the annular groove.

Specifically, the elastic device is two springs, one end of the elastic device is connected with the guide block, and the other end of the elastic device is connected with the transmission rod.

Specifically, the bottom of the top of the movable block is provided with an internal threaded connecting hole, the periphery of the internal threaded connecting hole at the top of the movable block is provided with an annular groove, and an O-shaped sealing ring a is arranged in the annular groove.

Specifically, two transfer lines both ends are the external screw thread, one is used for connecting antifriction bearing and movable block, and one is used for connecting movable block and metal support, a transfer line for connecting movable block and metal support.

Specifically, the triangular support is a metal support with an insulating layer at the top.

Specifically, the audible and visual alarm loop is an electrical appliance loop provided with an audible and visual alarm.

Specifically, the signal remote transmission system remotely transmits the alarm current signal to the central control room through a relay.

The invention has the beneficial effects that:

the pigging passing indicator is simple in structure, safe and reliable, triggers and alarms through movement and mechanical touch of a pipe cleaner, and is transmitted to a central control room in a plurality of ways in combination with signals, so that the pigging passing indicator can better monitor operation of the pipe cleaner.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of the overall structure of a pigging pass indicator according to the present invention.

In the figure: 1. an indicator light; 2. a remote signal display; 3. a switch; 4. an insulating head; 5. a transmission rod is arranged; 6. an upper flange; 7. an octagonal cushion; 8. an O-shaped sealing ring a; 9. a spring hanging plate; 10. a spring; 11. a transmission seat; 12. a guide block; 13. a middle transmission rod; 14. an O-shaped sealing ring b; 15. a sealing block; 16. a lower flange; 17. a bolt; 18. a lower transmission rod; 19. a rotating device; 20. a tube; 21. and (4) clearing the spherical pig.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1, the pigging pass indicator of the invention comprises an oil-gas pipeline, a pipe 20 arranged on the oil-gas pipeline, an upper transmission rod 5, an upper flange 6, an octagonal gasket 7, an O-shaped sealing ring a8, a spring hanging plate 9, a spring 10, a transmission seat 11, a guide block 12, a middle transmission rod 13, an O-shaped sealing ring b14, a sealing block 15, a lower flange 16, a bolt 17, a lower transmission rod 18, a rotating device 19, a pipe 20 and a pigging ball 21;

the bottom of transmission seat 11 is connected with the top of pipe 20 through two lower flanges 16, two lower flanges 16 pass through bolt 17 and connect, install lower transfer line 18 in the pipe 20, the top of lower sensing pole 18 runs through lower flange 16 and is connected with well transfer line 13 through sealed piece 15, the top of well transfer line 13 is passed through guide block 12 and is connected with last transfer line 5, the top of going up transfer line 5 runs through upper flange 6 and installs pilot lamp 1, teletransmission signal display 2, switch 3 and insulating head 4, it is connected with transmission seat 11 through spring link plate 9 and spring 10 to go up transfer line 5, spring link plate 9 and spring 10 are located transmission seat 11.

Specifically, the rotating device 19 includes a bearing and a bearing housing.

Specifically, the middle of the transmission seat 11 is a cavity, the bottom of the cavity is provided with an annular groove, and an O-shaped sealing ring b14 is arranged in the annular groove.

Specifically, the elastic device is two springs 10, one end of each spring is connected with a guide block 12, and the other end of each spring is connected with an upper transmission rod 5.

Specifically, an internal thread connecting hole is formed in the bottom of the top of the movable block, an annular groove is formed in the periphery of the internal thread connecting hole in the top of the movable block, and an O-shaped sealing ring a8 is arranged in the annular groove.

Specifically, two ends of each transmission rod are provided with external threads, one transmission rod is used for connecting the rolling bearing and the movable block, the other transmission rod is used for connecting the movable block and the metal support, and the transmission rods are used for connecting the movable block and the metal support.

Specifically, the triangular support is a metal support with an insulating layer on the top.

Specifically, the audible and visual alarm loop is an electric appliance loop provided with an audible and visual alarm.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A pigging pass indicator is characterized by comprising an oil-gas pipeline, a pipe (20) arranged on the oil-gas pipeline, an upper transmission rod (5), an upper flange (6), an octagonal pad (7), an O-shaped sealing ring a (8), a spring hanging plate (9), a spring (10), a transmission seat (11), a guide block (12), a middle transmission rod (13), an O-shaped sealing ring b (14), a sealing block (15), a lower flange (16), a bolt (17), a lower transmission rod (18), a rotating device (19), a pipe (20) and a pigging ball (21);

the bottom of the transmission seat (11) is connected with the top of a pipe (20) through two lower flanges (16), the two lower flanges (16) are connected through bolts (17), a lower transmission rod (18) is arranged in the pipe (20), the top of the lower sensing rod (18) penetrates through a lower flange (16) and is connected with the middle transmission rod (13) through a sealing block (15), the top of the middle transmission rod (13) is connected with the upper transmission rod (5) through a guide block (12), the top of the upper transmission rod (5) penetrates through the upper flange (6) and is provided with an indicator light (1), a remote signal display (2), a switch (3) and an insulating head (4), the upper driving rod (5) is connected with a transmission seat (11) through a spring hanging plate (9) and a spring (10), the spring hanging plate (9) and the spring (10) are positioned in the transmission seat (11).

2. A pigging pass indicator according to claim 1, wherein: the sealing block (15) is connected with the transmission seat (11) through an O-shaped sealing ring b (14).