CN217520830U - Pipeline sampling device for shale gas ground gathering and transportation - Google Patents

Abstract

The utility model discloses a shale gas ground gathering is defeated with pipeline sampling device, including setting up the sampling device body on the pipeline, the sampling device body includes the internal thread sleeve pipe of fixed connection at the pipeline top, internal thread sleeve pipe thread bush is equipped with the connecting pipe, and in the bottom of connecting pipe extended to the pipeline, pipeline seal movable sleeve established on the connecting pipe, established to the toper structure in the inboard bottom of connecting pipe, and the connecting pipe inner movable sleeve was equipped with rather than the first toper sprue of toper structure matched with, the first elastic guide mechanism of the equal fixedly connected with in top both sides of first toper sprue, and the connecting pipe cover is established on two first elastic guide mechanisms. The utility model discloses be convenient for remove the shutoff to sampling tube and connecting pipe fast when the sample and take a sample, and be convenient for in time carry out the shutoff to sampling tube and connecting pipe automatically after the sample, can effectual reduction shutoff interval time, reduce the risk of leaking because of the shutoff gas that untimely caused, satisfy the user demand.

Description

Pipeline sampling device for shale gas ground gathering and transportation

Technical Field

The utility model relates to a pipeline sampling technical field especially relates to a shale gas ground collection is defeated with pipeline sampling device.

Background

The method comprises the following steps that shale gas is endowed with unconventional natural gas in a reservoir rock system mainly containing organic shale, a pipeline is needed in the ground gathering and transportation process of the shale gas, the shale gas needs to be detected in the pipeline at regular time in the transportation process, a sampling device is needed to be used for sampling before detection, and most of the shale gas is provided with a gas pipe in advance on the pipeline for convenience of sampling, so that the follow-up sampling of personnel is facilitated;

the existing pipeline sampling device for shale gas ground gathering and transportation mostly does not have the function of automatically and timely plugging an air outlet pipe and a sampling pipe after sampling, the existing mode that personnel use manual valves to plug manually is long in plugging interval time, the risk of gas leakage is often caused easily due to the fact that plugging is not timely, the using requirement cannot be met, and therefore the pipeline sampling device for shale gas ground gathering and transportation is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a shale gas ground gathering and transporting pipeline sampling device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a pipeline sampling device for shale gas ground gathering and transportation comprises a sampling device body arranged on a pipeline, wherein the sampling device body comprises an internal thread sleeve fixedly connected to the top of the pipeline, an internal thread sleeve of the internal thread sleeve is provided with a connecting pipe, the bottom end of the connecting pipe extends into the pipeline, a pipeline seal movable sleeve is arranged on the connecting pipe, the bottom of the inner side of the connecting pipe is arranged into a conical structure, a first conical plugging block matched with the conical structure is movably arranged in the connecting pipe in a sleeved mode, two sides of the top of the first conical plugging block are fixedly connected with first elastic guide mechanisms, the connecting pipe is sleeved on the two first elastic guide mechanisms, a sampling pipe is arranged in the connecting pipe in a sealed sliding sleeve mode, the top end of the sampling pipe extends to the upper portion of the connecting pipe and is fixedly connected with a cover plate, two sides of the sampling pipe are fixedly connected with L-shaped fixed blocks, and the L-shaped fixed blocks are fixed with the top end of the connecting pipe in a magnetic absorption and insertion mode, fixed cover is equipped with the installation piece in the sampling tube, the bell mouth has been seted up to the bottom of installation piece, the bell mouth is built to the sealed movable sleeve in the bell mouth, second toper sprue is located the top of first toper sprue and cooperatees with first toper sprue, the top fixedly connected with pushing mechanism of second toper sprue, pushing mechanism's top extends to the top of apron, the equal fixedly connected with second elastic guide mechanism in pushing mechanism's both sides, the top of second elastic guide mechanism and the bottom fixed connection of apron, two second elastic guide mechanisms install with the both sides inner wall of sampling tube respectively.

Preferably, first elasticity guiding mechanism includes the first guide bar of fixed connection at first toper sprue top, and the rectangular channel has all been seted up to the bottom both sides of connecting pipe, and the top of first guide bar extends to the rectangular channel that corresponds in, and fixedly connected with is in tensile state's a extension spring between the top of first guide bar and the top inner wall of the rectangular channel that corresponds.

Preferably, the pushing mechanism comprises a push rod fixedly connected to the top of the second conical block, the top end of the push rod extends to the upper portion of the cover plate and is fixedly connected with a handle rod, and the cover plate is sleeved on the push rod in a sealing and sliding manner.

Preferably, the second elastic guide mechanism comprises a fixed rod, one end of each fixed rod, which is close to each other, is fixedly connected with two sides of the push rod respectively, a second extension spring in a stretching state is fixedly connected between the top of the fixed rod and the bottom of the cover plate, a second guide rod is fixedly connected with the bottom end of the fixed rod, first fixed blocks are fixedly connected with the inner walls of two sides of the sampling tube, and the first fixed blocks are slidably sleeved on the corresponding second guide rods.

Preferably, a first circular hole is formed in the inner wall of the top of the pipeline, a sealing ring is fixedly sleeved in the first circular hole, and the inner wall of the sealing ring is in close contact with the outer side of the connecting pipe.

Preferably, the outside bonding cladding of sampling tube has first rubber seal, the outside of first rubber seal and the inner wall in close contact with of connecting pipe.

Preferably, the slot has all been seted up to the top both sides of connecting pipe to the first magnet of fixedly connected with on the top inner wall of L shape fixed block, fixedly connected with second magnet on the bottom inner wall of slot, the bottom of first magnet extend to in the slot that corresponds and adsorb mutually with the top of second magnet, the outside of first magnet and the inner wall movable contact of the slot that corresponds.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses be convenient for remove the shutoff to sampling tube and connecting pipe fast when the sample and take a sample, and be convenient for in time carry out the shutoff to sampling tube and connecting pipe automatically after the sample, can effectual reduction shutoff interval time, reduce the risk of leaking because of the shutoff gas that untimely caused, satisfy the user demand.

Drawings

Fig. 1 is a schematic structural view of a pipeline sampling device for shale gas ground gathering and transportation provided by the utility model;

FIG. 2 is an enlarged cross-sectional view of portion A of FIG. 1;

fig. 3 is an enlarged schematic structural view of a portion B in fig. 2.

In the figure: 100. a pipeline; 1. an internally threaded sleeve; 2. a connecting pipe; 3. a sampling tube; 4. a first tapered plug; 5. a rectangular groove; 6. a first guide bar; 7. a first extension spring; 8. mounting blocks; 9. a second conical block; 10. a push rod; 11. a cover plate; 12. fixing the rod; 13. a second extension spring; 14. a second guide bar; 15. a first fixed block; 16. a handle bar; 17. an L-shaped fixed block; 18. and (4) a tapered hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a pipeline sampling device for shale gas ground gathering and transportation comprises a sampling device body arranged on a pipeline 100, the sampling device body comprises an internal thread sleeve 1 fixedly connected to the top of the pipeline 100, a connecting pipe 2 is sleeved in the internal thread of the internal thread sleeve 1, wherein an external thread is arranged on the outer side of the connecting pipe 2 and is in threaded connection with the internal thread sleeve 1, the bottom end of the connecting pipe 2 extends into the pipeline 100, the pipeline 100 is hermetically and movably sleeved on the connecting pipe 2, a first circular hole is arranged on the inner wall of the top of the pipeline 100, a sealing ring is fixedly sleeved in the first circular hole, the inner wall of the sealing ring is in close contact with the outer side of the connecting pipe 2, the bottom of the inner side of the connecting pipe 2 is in a conical structure, a first conical block 4 matched with the conical structure is movably sleeved in the connecting pipe 2, and first elastic guide mechanisms are fixedly connected to two sides of the top of the first conical block 4, the connecting pipe 2 is sleeved on two first elastic guide mechanisms, wherein the first elastic guide mechanisms comprise first guide rods 6 fixedly connected to the tops of the first conical plugging blocks 4, rectangular grooves 5 are respectively formed in two sides of the bottom end of the connecting pipe 2, the top ends of the first guide rods 6 extend into the corresponding rectangular grooves 5, the front side, the rear side, the left side and the right side of each first guide rod 6 are respectively in sliding contact with the corresponding side wall of each rectangular groove 5, the inner walls of the two adjacent rectangular grooves 5 are fixedly connected with limiting blocks, the sides of the two first guide rods 6 adjacent to each other are provided with limiting grooves, the limiting blocks are connected with the corresponding limiting grooves in a sliding mode, the limiting blocks are matched with the corresponding limiting grooves to achieve the effect of limiting the first conical blocking blocks 4, and first extension springs 7 in a stretching state are fixedly connected between the top ends of the first guide rods 6 and the inner walls of the tops of the corresponding rectangular grooves 5;

a sampling tube 3 is hermetically and slidably sleeved in the connecting tube 2, wherein a first sealing rubber sheet is bonded and coated on the outer side of the sampling tube 3, the outer side of the first sealing rubber sheet is in close contact with the inner wall of the connecting tube 2, the top end of the sampling tube 3 extends to the upper side of the connecting tube 2 and is fixedly connected with a cover plate 11, both sides of the sampling tube 3 are fixedly connected with L-shaped fixed blocks 17, the L-shaped fixed blocks 17 are fixed with the top end of the connecting tube 2 in a magnetic suction insertion manner, wherein a first magnet is fixedly connected to the inner wall of the top end of the L-shaped fixed block 17, both sides of the top end of the connecting tube 2 are provided with slots, a second magnet is fixedly connected to the inner wall of the bottom of each slot, the bottom of each first magnet extends into the corresponding slot and is adsorbed to the top of the second magnet, the outer side of each first magnet is in movable contact with the inner wall of the corresponding slot, and the first magnet and the corresponding second magnet are fixed in a magnetic suction manner, the sampling tube 3 is conveniently and rapidly fixed, the sampling tube 3 is fixedly sleeved with an installation block 8, the bottom of the installation block 8 is provided with a tapered hole 18, the tapered hole 18 is internally and movably sleeved with a second tapered block 9 in a sealing way, the second tapered block 9 is positioned above the first tapered block 4 and matched with the first tapered block 4, the top of the second tapered block 9 is fixedly connected with a pushing mechanism, the top of the pushing mechanism extends to the upper part of the cover plate 11, wherein the pushing mechanism comprises a push rod 10 fixedly connected with the top of the second conical block 9, the top end of the push rod 10 extends to the upper part of a cover plate 11 and is fixedly connected with a handle rod 16, the cover plate 11 is sleeved on the push rod 10 in a sealing and sliding way, the top of the cover plate 11 is provided with a first through hole, the outer side of the push rod 10 is bonded and coated with a second sealing rubber sheet, and the outer side of the second sealing rubber sheet is in movable contact with the inner wall of the first through hole;

the two sides of the push rod 10 are fixedly connected with second elastic guide mechanisms, the top of the second elastic guide mechanisms are fixedly connected with the bottom of the cover plate 11, the two second elastic guide mechanisms are respectively installed with the inner walls of the two sides of the sampling tube 3, wherein the second elastic guide mechanisms comprise fixing rods 12, the ends, close to each other, of the two fixing rods 12 are respectively fixedly connected with the two sides of the push rod 10, a second stretching spring 13 in a stretching state is fixedly connected between the top of the fixing rod 12 and the bottom of the cover plate 11, the bottom end of the fixing rod 12 is fixedly connected with a second guide rod 14, the inner walls of the two sides of the sampling tube 3 are fixedly connected with first fixing blocks 15, the first fixing blocks 15 are slidably sleeved on the corresponding second guide rods 14, guide holes are formed in the top of the first fixing blocks 15, the inner walls of the guide holes are slidably connected with the outer sides of the corresponding second guide rods 14, and the second guide rods 14 and the first fixing blocks 15 are matched to achieve the effect of guiding and positioning of the push rod 10, the bottom of second guide bar 14 still fixed welding has an anticreep piece that is located 15 below of first fixed block, the utility model discloses be convenient for remove the shutoff to sampling tube 3 and connecting pipe 2 fast when the sample and take a sample, and be convenient for in time carry out the shutoff to sampling tube 3 and connecting pipe 2 automatically after the sample, can effectual reduction shutoff interval time, reduce the risk of leaking because of the gas that the shutoff did not in time cause, satisfy the user demand.

The working principle is as follows: when the sampling device is used, the connecting pipe 2 and the sampling pipe 3 are in a connected state at the moment, when sampling is carried out, the handle rod 16 is pushed downwards, the handle rod 16 drives the push rod 10 to move downwards, the push rod 10 drives the two fixing rods 12 to move downwards, the fixing rods 12 drive the corresponding second guide rods 14 to slide downwards in the guide holes, the fixing rods 12 move downwards and simultaneously stretch the corresponding second stretching springs 13, the push rod 10 moves downwards and simultaneously drives the second conical plugging block 9 to move downwards, plugging on the conical holes 18 is relieved while the second conical plugging block 9 moves downwards, when the second conical plugging block 9 moves downwards to be in contact with the top of the first conical plugging block 4, the second conical plugging block 9 continues to move downwards and extrudes the first conical plugging block 4, the extruding force drives the first conical plugging block 4 to move downwards, the first conical plugging block 4 drives the two first guide rods 6 to respectively slide downwards in the corresponding rectangular grooves 5, the first guide rod 6 moves downwards and stretches the corresponding first stretching spring 7 at the same time, the first conical plugging block 4 moves downwards to be separated from the side wall of the connecting pipe 2, plugging of the connecting pipe 2 is removed, at the moment, gas in the pipeline 100 enters the connecting pipe 2 through a gap between the first conical plugging block 4 and the side wall of the connecting pipe 2, the gas in the connecting pipe 2 enters the sampling pipe 3 through the conical hole 18, after a period of time, the gas is filled in the whole sampling pipe 3, the pushing force on the handle rod 16 is released, at the moment, the elastic force of the second stretching spring 13 in a stretching state drives the corresponding fixing rod 12 to move upwards, the fixing rod 12 drives the corresponding second guide rod 14 to move upwards, the two fixing rods 12 drive the push rod 10 to move upwards together, the push rod 10 drives the second conical plugging block 9 to plug the conical hole 18, the second conical plugging block 9 moves upwards and gradually releases the extrusion force on the first conical plugging block 4 at the same time of moving upwards, the elasticity of the first extension spring 7 in a stretching state drives the corresponding first guide rods 6 to move upwards, the two first guide rods 6 simultaneously drive the first conical plugging block 4 to move upwards to plug the connecting pipe 2, the sampling pipe 3 can be moved upwards from the connecting pipe 2 at the moment, the sampling pipe 3 drives the two L-shaped fixing blocks 17 to move upwards, the L-shaped fixing blocks 17 drive the corresponding first magnets to be separated from the second magnets, the sampling pipe 3 can be taken out from the connecting pipe 2 at the moment, sampling is completed, so that the sampling pipe 3 and the connecting pipe 2 can be automatically plugged in time after sampling, plugging interval time can be effectively reduced, and the risk of gas leakage caused by untimely plugging is reduced;

when the gas of collecting in need with sampling tube 3 takes out, can be connected the bottom of sampling tube 3 with outside collecting pipe, promote handle pole 16 downwards once more, make second toper sprue 9 shift out from taper hole 18 once more, the gas in the sampling tube 3 can be discharged through taper hole 18 this moment, when needs take a sample once more, can insert connecting pipe 2 once more with sampling tube 3, sampling tube 3 drives two first magnets through two L shape fixed blocks 17 and inserts respectively in the slot that corresponds and adsorb mutually with the second magnet, make sampling tube 3 fixed in connecting pipe 2, can promote handle pole 16 downwards once more and carry out the sample operation.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a shale gas ground gathers defeatedly and uses pipeline sampling device, including the sampling device body that sets up on pipeline (100), the sampling device body includes internal thread sleeve pipe (1) of fixed connection at pipeline (100) top, a serial communication port, internal thread sleeve pipe (1) internal thread cover is equipped with connecting pipe (2), the bottom of connecting pipe (2) extends to in pipeline (100), pipeline (100) sealed movable sleeve is established on connecting pipe (2), the inboard bottom of connecting pipe (2) is established to the toper structure, the movable sleeve is equipped with rather than toper structure matched with first toper sprue (4) in connecting pipe (2), the top both sides of first toper sprue (4) all fixedly connected with first elastic guide mechanism, connecting pipe (2) cover is established on two first elastic guide mechanism, connecting pipe (2) internal seal slip cover is equipped with sampling tube (3), the top end of the sampling tube (3) extends to the upper part of the connecting tube (2) and is fixedly connected with a cover plate (11), both sides of the sampling tube (3) are fixedly connected with L-shaped fixing blocks (17), the L-shaped fixing blocks (17) are fixed with the top end of the connecting tube (2) in a magnetic suction insertion manner, a mounting block (8) is fixedly sleeved in the sampling tube (3), a tapered hole (18) is formed in the bottom of the mounting block (8), a second conical block (9) is movably sleeved in the tapered hole (18) in a sealing manner, the second conical block (9) is positioned above the first conical block (4) and matched with the first conical block (4), the top part of the second conical block (9) is fixedly connected with a pushing mechanism, the top part of the pushing mechanism extends to the upper part of the cover plate (11), both sides of the pushing mechanism are fixedly connected with second elastic guide mechanisms, the top part of the second elastic guide mechanisms is fixedly connected with the bottom part of the cover plate (11), the two second elastic guide mechanisms are respectively installed with the inner walls of the two sides of the sampling tube (3).

2. The shale gas ground gathering and transportation pipeline sampling device as claimed in claim 1, wherein the first elastic guide mechanism comprises a first guide rod (6) fixedly connected to the top of the first conical block (4), rectangular grooves (5) are formed in both sides of the bottom end of the connecting pipe (2), the top end of the first guide rod (6) extends into the corresponding rectangular groove (5), and a first tension spring (7) in a tension state is fixedly connected between the top end of the first guide rod (6) and the inner wall of the top of the corresponding rectangular groove (5).

3. The shale gas pipeline sampling device for ground gathering and transportation of claim 1, wherein the pushing mechanism comprises a push rod (10) fixedly connected to the top of the second conical block (9), the top end of the push rod (10) extends to the upper side of the cover plate (11) and is fixedly connected with a handle rod (16), and the cover plate (11) is sleeved on the push rod (10) in a sealing and sliding manner.

4. The shale gas pipeline sampling device for ground gathering and transportation according to claim 1, wherein the second elastic guide mechanism comprises fixing rods (12), one ends of the two fixing rods (12) close to each other are respectively and fixedly connected with two sides of the push rod (10), a second extension spring (13) in a stretching state is fixedly connected between the top of the fixing rod (12) and the bottom of the cover plate (11), a second guide rod (14) is fixedly connected with the bottom ends of the fixing rods (12), first fixing blocks (15) are fixedly connected on inner walls of two sides of the sampling tube (3), and the first fixing blocks (15) are slidably sleeved on the corresponding second guide rods (14).

5. The shale gas ground gathering and transportation pipeline sampling device as claimed in claim 1, wherein a first circular hole is formed in the inner wall of the top of the pipeline (100), a sealing ring is fixedly sleeved in the first circular hole, and the inner wall of the sealing ring is in close contact with the outer side of the connecting pipe (2).

6. The shale gas pipeline sampling device for ground gathering and transportation according to claim 1, wherein the outer side of the sampling pipe (3) is bonded and coated with a first sealing rubber sheet, and the outer side of the first sealing rubber sheet is in close contact with the inner wall of the connecting pipe (2).

7. The shale gas ground gathering and transportation pipeline sampling device as claimed in claim 1, wherein a first magnet is fixedly connected to the inner wall of the top of the L-shaped fixing block (17), slots are formed in both sides of the top end of the connecting pipe (2), a second magnet is fixedly connected to the inner wall of the bottom of each slot, the bottom of each first magnet extends into the corresponding slot and is adsorbed to the top of the corresponding second magnet, and the outer side of each first magnet is in movable contact with the inner wall of the corresponding slot.

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