CN111664310A

CN111664310A - Be applied to petroleum pipeline coupling mechanism of convenient sample among oil development

Info

Publication number: CN111664310A
Application number: CN202010464992.9A
Authority: CN
Inventors: 吕友飞
Original assignee: Anhui Dongkai Information Technology Co ltd
Current assignee: Shandong Zhuorui Petrochemical Technology Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2020-09-15
Anticipated expiration: 2040-05-28
Also published as: CN111664310B

Abstract

The invention discloses a petroleum pipeline connecting mechanism applied to convenient sampling in petroleum exploitation, which comprises a connecting mechanism body, flange plates, connecting seats, bolts, a sampling pipe, an observation window, a hanging ring, a spring and a plugging head, wherein the flange plates are welded at two ends of the connecting mechanism body, the connecting seat is welded in the middle of the lower end of the connecting mechanism body, sliding blocks are welded at two sides of one end, far away from the hanging ring, of the sampling pipe, the sampling pipe is connected with a guide groove in the inner side of the connecting seat in a sliding mode through the sliding blocks, one end, close to the sliding blocks, of the sampling pipe is of an open structure, and meanwhile, the interior of the sampling pipe is communicated with a sampling port in the connecting mechanism. This be applied to petroleum pipeline coupling mechanism of convenient sample among oil development, through the improvement to current petroleum pipeline junction, can conveniently carry out the sample detection of distance to petroleum transportation pipeline, and when laying the pipeline, need not carry out the extra opening of reserving to the pipeline, improve the pipeline and lay efficiency.

Description

Be applied to petroleum pipeline coupling mechanism of convenient sample among oil development

Technical Field

The invention relates to the technical field of petroleum exploitation pipelines, in particular to a petroleum pipeline connecting mechanism which is applied to petroleum exploitation and convenient to sample.

Background

The oil needs to be transported through the pipeline after being exploited, and at the in-process of oil exploitation and transportation, owing to need detect the quality of oil, just need regular oil to in the pipeline carry out convenient sample to control to transporting oil quality in the oil pipeline, and then make the exploitation of oil and refine the operation that can be normal, but current oil when through pipeline transportation, at the in-process that needs the sample, has following problem:

1. when oil normally passes through the conveying pipelines, because the conveying pipelines are in sealed connection, when the pipelines are installed, a reserved sampling opening needs to be formed in the outer wall of each pipeline, so that the construction difficulty is increased, when the pipelines are damaged, the whole pipelines need to be replaced, and the reserved sampling opening needs to be formed again, so that the subsequent maintenance of the pipelines is inconvenient;

2. when needs were to oil sample, inconvenient sampling tube and pipeline reserved mouthful quick butt joint of department, inconvenient sample operation.

Disclosure of Invention

The invention aims to provide a petroleum pipeline connecting mechanism applied to convenient sampling in petroleum exploitation, and aims to solve the problems that when the existing petroleum in the prior market is transported through a pipeline, in the process of sampling, because the transportation pipelines are in sealed connection, when the pipeline is installed, a reserved opening for sampling needs to be arranged on the outer wall of the pipeline, the construction difficulty is increased, when the pipeline is damaged, the whole pipeline needs to be replaced, and the reserved opening for sampling needs to be arranged again, the subsequent pipeline maintenance is inconvenient, and when the petroleum needs to be sampled, the sampling pipe is inconvenient to be in quick butt joint with the reserved opening of the pipeline, and the sampling operation is inconvenient.

In order to achieve the purpose, the invention provides the following technical scheme: a petroleum pipeline connecting mechanism applied to convenient sampling in petroleum exploitation comprises a connecting mechanism body, flange plates, connecting seats, bolts, sampling tubes, an observation window, hanging rings, springs and plugging heads, wherein the flange plates are welded at two ends of the connecting mechanism body, the connecting seats are welded in the middle of the lower ends of the connecting mechanism body, the front sides of the connecting seats are fixedly connected with a fixed plate through the bolts, the detachable sampling tubes are arranged on the connecting seats, the transparent observation window is arranged at the front sides of the sampling tubes, the hanging rings for hanging are welded at the lower ends of the sampling tubes, pressing blocks for pressing the sampling tubes are integrally formed on the inner sides of the fixed plate, blocking grooves are formed in one sides, close to the pressing blocks, of the connecting seats, limiting plates are fixedly connected to one sides, far away from the fixed plate, of the connecting seats, through holes connected with the sampling ports on the connecting mechanism body are formed in the connecting seats at, and the sample connection runs through in the lateral wall of coupling mechanism body, the sliding block has all been welded to the both sides that the link one end was kept away from to the sampling tube, and the sampling tube passes through the sliding block and the inboard guide way sliding connection of connecting seat to the one end that the sampling tube is close to the sliding block is opening column structure, and the inside of sampling tube is linked together through the sample connection on this opening and the coupling mechanism body simultaneously.

Preferably, the inner side of the pressing block is of an inwards concave arc-shaped structure, the diameter of the inwards concave arc of the pressing block is the same as that of the sampling tube, and a plugging head is connected to the opening at one end of the sampling tube in a threaded manner.

Preferably, the blocking groove is the same as the concave arc diameter of the pressing block, and the blocking groove and the concave arc of the pressing block are both attached to the outer wall of the sampling tube.

Preferably, the upper end face of the sliding block is provided with a limiting groove, and the limiting groove and the limiting elastic sheet are correspondingly arranged.

Preferably, a sliding block at the rear side of the guide groove is provided with a slidable blocking block, the inner end of the blocking block is positioned in the sliding groove in the sliding block, and a spring is fixed between the blocking block and the sliding groove.

Preferably, the lower end face of the guide groove is provided with a mounting groove, a limiting elastic sheet is fixed inside the mounting groove through a spring, and the through hole at the bottom end of the connecting seat is in threaded connection with a plugging head.

Preferably, the material of shutoff piece is the stereoplasm rubber material, and the length of a side of shutoff piece is greater than the diameter of sample connection to the up end of shutoff piece is laminated mutually with the lower extreme edge of sample connection.

Preferably, the shape structure of the limiting elastic sheet is a strip-shaped circular arc-shaped structure, the middle part of the limiting elastic sheet protrudes out of the mounting groove, and the limiting elastic sheet and the limiting groove formed in the upper end face of the sliding block are arranged correspondingly.

Preferably, the limiting groove is an inward concave arc-shaped groove, and the width of the limiting elastic sheet is the same as the groove width of the limiting groove.

Compared with the prior art, the invention has the beneficial effects that: this be applied to petroleum pipeline coupling mechanism of convenient sample among oil development, through the improvement to current petroleum pipeline junction, can conveniently carry out the sample detection of distance to petroleum transportation pipeline, and when laying the pipeline, need not carry out the extra opening to the pipeline and reserve the mouth, improve the pipeline laying efficiency:

1. the flange plates are arranged at two ends of the connecting mechanism body, butt joint between the connecting mechanism body and a petroleum pipeline can be realized, the laying and the installation are convenient, the connecting seat is welded on the outer wall of the lower part of the connecting mechanism body, the connecting seat is provided with a guide groove which is matched and slidably connected with sliding blocks at two sides of the end part of the sampling tube, the sampling tube can be quickly inserted, a through hole which is communicated with a sampling port on the connecting mechanism body is arranged in the connecting seat, petroleum in the pipeline can flow into the sampling tube through the sampling port, the sampling operation of the petroleum is realized, the compressing block is arranged on the inner wall of the fixing plate, the outer wall of the sampling tube can be clamped and fixed through matching with the blocking groove, and further the sampling tube is fixed;

2. offer the sliding tray that can supply the shutoff piece to remove in the spacing groove department of connecting seat to through the setting of spring, when the sampling tube pushed and shifted out the spacing groove, can realize opening and closing of shutoff piece control sample connection, and then realize the control of opening and close the sample connection, conveniently carry out linkage cooperation operation with the sampling tube.

Drawings

FIG. 1 is a schematic structural view of a connecting mechanism body of a petroleum pipeline connecting mechanism for convenient sampling in petroleum exploitation according to the present invention;

FIG. 2 is a schematic bottom view of a coupling mechanism body of a petroleum pipeline coupling mechanism for convenient sampling in petroleum extraction according to the present invention;

FIG. 3 is a schematic cross-sectional view of a coupling mechanism body of a petroleum pipeline coupling mechanism for facilitating sampling in petroleum extraction according to the present invention;

FIG. 4 is a schematic cross-sectional view of part A-A of FIG. 2 illustrating a petroleum pipeline coupling mechanism for facilitating sampling in petroleum extraction according to the present invention;

FIG. 5 is a schematic diagram of a sample tube removal configuration of the petroleum pipeline coupling mechanism of the present invention for facilitating sampling during petroleum extraction, as shown in FIG. 4;

FIG. 6 is a schematic cross-sectional view of the portion B-B of FIG. 2 illustrating a petroleum pipeline connection mechanism for facilitating sampling in petroleum extraction according to the present invention;

FIG. 7 is an enlarged schematic view of point A of FIG. 6 of a petroleum pipeline coupling mechanism for facilitating sampling during petroleum extraction according to the present invention;

FIG. 8 is a schematic cross-sectional view of the portion C-C of FIG. 6 of a petroleum pipeline coupling mechanism for facilitating sampling in petroleum extraction according to the present invention;

FIG. 9 is a schematic top view of a sampling tube, a sliding block and a limiting groove of the connecting mechanism for petroleum pipelines for convenient sampling in petroleum exploitation according to the present invention;

FIG. 10 is a schematic sectional view of the connection state of the sampling tube and the plugging head of the petroleum pipeline connection mechanism for convenient sampling in petroleum exploitation.

In the figure: 1. a connecting mechanism body; 2. a flange plate; 3. a connecting seat; 4. a fixing plate; 5. a bolt; 6. a sampling tube; 7. an observation window; 8. hanging a ring; 9. a compression block; 10. a blocking groove; 11. a limiting plate; 12. a sampling port; 13. a slider; 14. a guide groove; 15. a plugging block; 16. a sliding groove; 17. a spring; 18. plugging a plug; 19. a limiting elastic sheet; 20. mounting grooves; 21. a limiting groove.

Detailed Description

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. 1-10, the present invention provides a technical solution: a petroleum pipeline connecting mechanism applied to convenient sampling in petroleum exploitation comprises a connecting mechanism body 1, flange plates 2, connecting seats 3, a fixing plate 4, bolts 5, a sampling tube 6, an observation window 7, hanging rings 8, a pressing block 9, a blocking groove 10, a limiting plate 11, a sampling port 12, a sliding block 13, a guide groove 14, a blocking block 15, a sliding groove 16, a spring 17, a blocking head 18, a limiting elastic sheet 19, a mounting groove 20 and a limiting groove 21, wherein the flange plates 2 are welded at two ends of the connecting mechanism body 1, the connecting seat 3 is welded in the middle of the lower end of the connecting mechanism body 1, the fixing plate 4 is fixedly connected to the front side of the connecting seat 3 through the bolts 5, the detachable sampling tube 6 is arranged on the connecting seat 3, the transparent observation window 7 is arranged at the front side of the sampling tube 6, the hanging ring 8 for hanging and placing is welded at the lower end of the sampling tube 6, the pressing block 9 for pressing the sampling tube 6 is integrally formed on, one side that connecting seat 3 is close to compact heap 9 has been seted up and has been blocked groove 10, and bolt 5 fixedly connected with limiting plate 11 is passed through to one side that fixed plate 4 was kept away from to connecting seat 3, set up the through-hole of being connected with sample connection 12 on the coupling mechanism body 1 on the connecting seat 3 of blocking groove 10 the inner, and sample connection 12 runs through the lateral wall in coupling mechanism body 1, sliding block 13 has all been welded to the both sides that link 8 one end was kept away from to sampling tube 6, and sampling tube 6 passes through sliding block 13 and the inboard guide way 14 sliding connection of connecting seat 3, and the one end that sampling tube 6 is close to sliding block 13 is the opening column structure, the inside of sampling tube 6 is linked together through sample connection 12 on this opening and the coupling.

The inboard of compact heap 9 is the circular-arc structure of indent, and the diameter of the circular arc of compact heap 9 indent is the same with the diameter of sampling tube 6, and the opening part threaded connection of sampling tube 6 one end has shutoff head 18, it is the same with the circular arc diameter of compact heap 9 indent to block groove 10, and the circular arc that blocks groove 10 and compact heap 9 indent all laminates with the outer wall of sampling tube 6 mutually, it is fixed to set up like this to realize pressing from both sides tight sampling tube 6, can realize the stable connection of sampling tube 6.

Spacing groove 21 has been seted up to the up end of sliding block 13, and spacing groove 21 corresponds the setting with spacing shell fragment 19, be provided with slidable shutoff piece 15 on the sliding block 13 of guide way 14 rear side, and the inner of shutoff piece 15 is located the inside sliding tray 16 of sliding block 13, and be fixed with spring 17 between shutoff piece 15 and the sliding tray 16, mounting groove 20 has been seted up on the lower terminal surface of guide way 14, and the inside of mounting groove 20 is fixed with spacing shell fragment 19 through spring 17, threaded connection shutoff head 18 of the bottom through-hole department of connecting seat 3, it is inside that sampling tube 6 passes through sliding

block

13 and 14 parallel thrusts of guide way to connecting seat 3 to set up like this, the realization is to the accurate butt joint operation of sampling tube 6 and connecting seat 3.

The material of the plugging block 15 is hard rubber material, the side length of the plugging block 15 is larger than the diameter of the sampling opening 12, and the upper end face of the plugging block 15 is attached to the lower end edge of the sampling opening 12, so that the plugging block can be in linkage fit with the sampling tube 6, and the opening and closing of the sampling opening 12 are controlled.

The shape structure of the limiting elastic sheet 19 is a strip-shaped circular arc-shaped structure, the middle part of the limiting elastic sheet 19 protrudes out of the mounting groove 20, the limiting groove 21 formed in the upper end face of the limiting elastic sheet 19 and the upper end face of the sliding block 13 correspond to each other, the limiting groove 21 is an inwards concave circular arc-shaped groove, the width of the limiting elastic sheet 19 is the same as the groove width of the limiting groove 21, the connecting seat 3 can be tightly pressed, and the accidental movement dislocation of the sampling tube 6 can be avoided when the fixing plate 4 is mounted.

The working principle is as follows: when the petroleum pipeline connecting mechanism applied to convenient sampling in petroleum exploitation is used, as shown in figure 1, before the petroleum pipeline is laid, the connecting mechanism body 1 can be sequentially connected between the petroleum pipelines through the flange plate 2 according to the distance of fixed-point sampling as required, after the connecting mechanism body 1 is laid, as shown in figure 1-2, the sealing head 18 at the bottom of the connecting seat 3 is firstly screwed off, the sealing head 18 is in threaded connection with the pressing block 9 and the inner wall of the blocking groove 10, then the bolt 5 on the fixing plate 4 at the front end of the connecting seat 3 is disassembled, as shown in figure 10, the sealing head 18 at the end part of the sampling pipe 6 is firstly screwed off, then the end of the sampling pipe 6 with the sliding block 13 is directed towards the connecting seat 3, as shown in figure 3, the sliding blocks 13 at the two sides of the sampling pipe 6 are aligned with the guide groove 14 in the blocking groove 10 at the front side of the connecting seat 3, then the sampling pipe 6 is, and make the sampling tube 6 contact with the stopping groove 10 of the connecting seat 3, after the sampling tube 6 is pushed completely, as shown in fig. 6-9, the limit spring 19 in the mounting groove 20 can push the limit groove 21 of the sliding block 13 tightly under the action of its own elasticity and the spring 17, so as to realize the pre-fixing of the sampling tube 6, in the process of pushing the sampling tube 6, as shown in fig. 4-5, the sampling tube 6 pushes the plugging block 15 inwards, so that the plugging block 15 continuously extrudes the spring 17 in the sliding groove 16, as the plugging block 15 gradually enters the sliding groove 16, the sampling opening 12 is gradually opened, so that the oil in the connecting mechanism body 1 flows into the sampling tube 6 through the sampling opening 12 and the through hole on the connecting seat 3, and the content of the flowing oil can be observed through the observation window 7 on the sampling tube 6, after sampling, the sampling tube 6 is pulled outwards only, the sliding block 13 on the sampling tube 6 is separated from the guide groove 14, after the sampling tube 6 is taken down, the blocking block 15 is pushed by the spring 17 in the sliding groove 16 to move to the lower part of the sampling port 12 again to block the sampling port 12 again, the fixing plate 4 is fixed on the front side of the connecting seat 3 through the bolt 5, finally, the blocking head 18 is screwed between the pressing block 9 and the inner wall of the blocking groove 10, and a sealing ring is arranged at the joint of the pressing block 9 and the blocking groove 10;

when the sampling tube 6 needs to be fixed for a long time, as shown in fig. 1-2 and fig. 4, the fixing plate 4 is fixed on the front side of the connecting seat 3 through the bolt 5, and the compression block 9 on the inner side of the fixing plate 4 can clamp the sampling tube 6 under the matching of the compression block and the blocking groove 10, so that the sampling tube 6 can be conveniently fixed on the connecting mechanism body 1 for a long time.

It should be understood that the terms "central," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, that the present invention is used with reference to the particular orientation or position shown in the drawings, that the standard components used in the present invention are commercially available, that the specific components are custom-made from the specification and drawings, that the specific connections between the various components are made by conventional means such as bolts, rivets, welding, etc., that the machines, components and devices are well known in the art, the conventional model, together with the circuit connections, are conventional in the art and will not be described in detail here.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes, modifications, equivalents, and improvements may be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a be applied to petroleum pipeline coupling mechanism of convenient sample among oil development, includes coupling mechanism body (1), ring flange (2), connecting seat (3), bolt (5), sampling tube (6), observation window (7), link (8), spring (17) and stopper head (18), its characterized in that: ring flange (2) have all been welded at the both ends of coupling mechanism body (1), and the welding of the lower extreme middle part of coupling mechanism body (1) has connecting seat (3), bolt (5) fixedly connected with fixed plate (4) are passed through to the front side of connecting seat (3), and are provided with detachable sampling tube (6) on connecting seat (3), and the front side of sampling tube (6) is provided with transparent observation window (7), and the lower extreme welding of sampling tube (6) has link (8) that are used for hanging the placing simultaneously, the inboard integrated into one piece of fixed plate (4) has compact heap (9) that are used for compressing tightly sampling tube (6), blocking groove (10) have been seted up to one side that connecting seat (3) are close to compact heap (9), and bolt (5) fixedly connected with limiting plate (11) are passed through to one side that fixed plate (4) were kept away from to connecting seat (3), blocking groove (10) inner connecting seat (3) have been seted up with last sample connection (1) (mouth (3 12) The through-hole of connection, and sample connection (12) run through in the lateral wall of coupling mechanism body (1), sliding block (13) have all been welded in the both sides of link (8) one end are kept away from in sampling tube (6), and sampling tube (6) are through sliding block (13) and inboard guide way (14) sliding connection of connecting seat (3), and sampling tube (6) are close to the one end of sliding block (13) and are the opening column structure, and the inside of sampling tube (6) is linked together through sample connection (12) on this opening and coupling mechanism body (1) simultaneously.

2. The petroleum pipeline connecting mechanism applied to convenient sampling in petroleum exploitation according to claim 1, characterized in that: the inside of compact heap (9) is the circular-arc structure of indent, and the diameter of the circular arc of compact heap (9) indent is the same with the diameter of sampling tube (6) to the opening part threaded connection of sampling tube (6) one end has shutoff head (18).

3. The petroleum pipeline connecting mechanism applied to convenient sampling in petroleum exploitation according to claim 1, characterized in that: the diameter of the arc of the blocking groove (10) and the arc of the pressing block (9) are the same, and the arc of the blocking groove (10) and the arc of the pressing block (9) are attached to the outer wall of the sampling tube (6).

4. The petroleum pipeline connecting mechanism applied to convenient sampling in petroleum exploitation according to claim 1, characterized in that: the upper end face of the sliding block (13) is provided with a limiting groove (21), and the limiting groove (21) and the limiting elastic sheet (19) are correspondingly arranged.

5. The petroleum pipeline connecting mechanism applied to convenient sampling in petroleum exploitation according to claim 1, characterized in that: the sliding block (13) at the rear side of the guide groove (14) is provided with a slidable blocking block (15), the inner end of the blocking block (15) is positioned in a sliding groove (16) inside the sliding block (13), and a spring (17) is fixed between the blocking block (15) and the sliding groove (16).

6. The petroleum pipeline connecting mechanism applied to the convenient sampling in the petroleum exploitation according to claim 5, characterized in that: the lower end face of the guide groove (14) is provided with a mounting groove (20), a limiting elastic sheet (19) is fixed inside the mounting groove (20) through a spring (17), and a through hole at the bottom end of the connecting seat (3) is in threaded connection with a blocking head (18).

7. The petroleum pipeline connecting mechanism applied to the convenient sampling in the petroleum exploitation according to claim 5, characterized in that: the material of shutoff piece (15) is the stereoplasm rubber material, and the length of a side of shutoff piece (15) is greater than the diameter of sample connection (12) to the up end of shutoff piece (15) is laminated mutually with the lower extreme edge of sample connection (12).

8. The petroleum pipeline connecting mechanism applied to the convenient sampling in the petroleum exploitation according to claim 6, characterized in that: the shape structure of the limiting elastic sheet (19) is a strip-shaped arc-shaped structure, the middle part of the limiting elastic sheet (19) protrudes out of the mounting groove (20), and the limiting elastic sheet (19) and a limiting groove (21) formed in the upper end face of the sliding block (13) are arranged correspondingly.

9. The petroleum pipeline connecting mechanism applied to the convenient sampling in the petroleum exploitation according to claim 8, characterized in that: the limiting groove (21) is an inwards concave arc-shaped groove, and the width of the limiting elastic sheet (19) is the same as the groove width of the limiting groove (21).