CN112593933A - Coupling mechanism for natural gas sampling - Google Patents
Coupling mechanism for natural gas sampling Download PDFInfo
- Publication number
- CN112593933A CN112593933A CN202011569524.4A CN202011569524A CN112593933A CN 112593933 A CN112593933 A CN 112593933A CN 202011569524 A CN202011569524 A CN 202011569524A CN 112593933 A CN112593933 A CN 112593933A
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- CN
- China
- Prior art keywords
- pipe clamp
- sampling
- bolt
- rod
- natural gas
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
Abstract
The invention provides a connecting mechanism for natural gas sampling for connecting a gas production pipeline and a sampling pipe, which comprises an upper pipe clamp attached to the top of the gas production pipeline, a lower pipe clamp arranged opposite to the upper pipe clamp and attached to the bottom of the gas production pipeline, a bolt and a connecting rod, wherein one end of the connecting rod is connected with the middle part of the bolt, and the other end of the connecting rod is connected with the sampling pipe; two bolts and two connecting rods are symmetrically arranged, one end of each bolt is rotatably connected with one end of the lower pipe clamp, and the other end of each bolt can be clamped with one end of the upper pipe clamp and locked on the upper pipe clamp through a nut. According to the invention, the upper pipe clamp and the lower pipe clamp can be quickly connected to the gas production pipeline through the bolt rotatably connected with the lower pipe clamp, a connecting fulcrum is provided for butt joint of the sampling pipe and a sampling port of the gas production pipeline, the bolt is rotated reversely after the nut is loosened during disassembly, and the bolt is separated from the upper pipe clamp, so that the connection between the upper pipe clamp and the lower pipe clamp can be disconnected, and the upper pipe clamp and the lower pipe clamp can be quickly taken down, and the device is convenient and simple to operate and high in efficiency.
Description
Technical Field
The invention relates to the technical field of auxiliary equipment for natural gas exploitation, in particular to a connecting mechanism for natural gas sampling.
Background
Natural gas is a gaseous fossil fuel consisting primarily of methane. It is mainly found in oil fields and natural gas fields, and also in coal seams in small quantities. The natural gas is mainly used as fuel, can be used for producing carbon black, chemicals and liquefied petroleum gas, and the propane and butane produced by the natural gas are important raw materials of modern industry. Natural gas is composed mainly of gaseous low molecular hydrocarbons mixed with non-hydrocarbon gases.
In the process of exploiting natural gas, in order to know the conditions of natural gas components, purity and the like, a sampling port is generally arranged on a pipeline to sample and detect the natural gas at an exploitation part, and a sampling device is needed. However, the connecting mechanism of the sampling tube and the sampling port of the gas production pipeline of the existing sampling device is complex in disassembly and assembly operation, the connection is not stable and firm enough, and the sealing performance between the sampling port and the sampling tube is poor, so that the sampling tube is easy to fall off to cause leakage.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a connecting mechanism for natural gas sampling, which solves the problems that the existing connecting mechanism is complex in disassembly and assembly operation, unstable and firm in connection and poor in sealing performance between a sampling opening and a sampling tube, so that the sampling tube is easy to fall off to cause leakage.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a coupling mechanism for natural gas sampling for connect gas production pipeline and sampling tube, it includes:
the pipe installing clamp is attached to the top of the gas production pipeline;
the lower pipe clamp is arranged opposite to the upper pipe clamp and is attached to the bottom of the gas production pipeline;
the bolt is used for connecting the upper pipe clamp and the lower pipe clamp; and
one end of the connecting rod is connected with the middle part of the bolt, and the other end of the connecting rod is connected with the sampling tube and is used for sealing and butting the sampling tube and a sampling port of the gas production pipeline;
the connecting rod is arranged on the upper pipe clamp, the lower pipe clamp is arranged on the lower pipe clamp, the connecting rod is arranged on the upper pipe clamp, the bolt and the connecting rod are symmetrically provided with two parts, one end of each bolt is rotatably connected with one end of the lower pipe clamp, the other end of each bolt can be clamped with one end of the upper pipe clamp and locked on the upper pipe clamp through a nut.
Optionally, the bolt is including the first axle sleeve, the first body of rod and the first screw rod that set gradually, the first body of rod constitutes T type structure jointly with the outer periphery vertical connection of first axle sleeve, first axle sleeve with the round pin axle rotation that the every end of lower pipe strap set up is connected, first screw rod can be gone into go up in the U type bayonet socket that the every end of pipe strap was seted up and pass through the nut locking is in U type bayonet socket top.
Optionally, a U-shaped notch is formed at each end of the lower pipe clamp, and the pin shaft is located in the U-shaped notch and connected with two sides of the U-shaped notch.
Optionally, the upper pipe clamp and the lower pipe clamp are both arc-shaped structures, and rubber anti-slip pads are bonded on the surfaces, opposite to each other, of the upper pipe clamp and the lower pipe clamp.
Optionally, the connecting rod is including the second shaft cover, the second body of rod, elastic component and the couple that connect gradually, the second shaft cover with first screw rod rotates to be connected, the second body of rod constitutes T type structure jointly with the outer periphery vertical connection of second shaft cover, the couple is through stretching can connect behind the elastic component on the sampling tube.
Optionally, the second shaft sleeve is rotatably sleeved on the first screw, and the lower end of the second shaft sleeve is in contact with the first rod body, and the upper end of the second shaft sleeve is in contact with a nut which is in threaded connection with the first screw.
Optionally, the connecting rod still includes the second screw rod that is used for adjusting elastic component restoring force, second body of rod cavity just is equipped with the internal thread, second screw rod one end stretches into in the second body of rod rather than threaded connection, the other end with the elastic component rotates and is connected.
Optionally, a hexagonal handle is arranged on the second screw rod.
Optionally, the elastic element includes an elastic element body and column heads symmetrically connected to two ends of the elastic element body, one column head is rotatably sleeved on the second screw rod, and the other column head is fixedly connected to the hook.
Optionally, the elastic member body is a tension spring.
Compared with the prior art, the invention has the beneficial effects that:
1. the upper pipe clamp and the lower pipe clamp can be quickly connected to a gas production pipeline through the bolt rotationally connected with the lower pipe clamp, a connecting fulcrum is provided for butt joint of a sampling pipe and a sampling port of the gas production pipeline, the bolt is reversely rotated to be separated from the upper pipe clamp after a nut is loosened during disassembly, and the connection between the upper pipe clamp and the lower pipe clamp can be disconnected, so that the upper pipe clamp and the lower pipe clamp can be quickly taken down, the operation is convenient and simple, and the efficiency is high;
2. the upper pipe clamp and the lower pipe clamp which are of arc structures and the rubber anti-slip pad which is bonded on the opposite surfaces of the upper pipe clamp and the lower pipe clamp can increase the contact area between the upper pipe clamp and the gas production pipeline, increase the friction force between the upper pipe clamp and the gas production pipeline and ensure good fixing effect;
3. after the upper pipe clamp and the lower pipe clamp are connected to the gas production pipeline through the bolts, the sampling pipe can be quickly in sealed butt joint with a sampling port of the gas production pipeline through stretching the elastic piece, the sampling pipe is stably and firmly connected with the sampling port of the gas production pipeline, the sealing performance between the sampling pipe and the sampling port of the gas production pipeline is enhanced by the aid of the resetting force of the elastic piece, falling and leakage cannot occur, and the safety of a sampling process is improved;
4. the whole length of the connecting rod can be changed by rotating the second screw rod, so that the reset force of the elastic part is adjusted, the external force applied by a sampling person for stretching the elastic part is reduced, the connection between the hook and the sampling tube is facilitated, the sampling tube can be pulled to be tightly butted with a sampling port of a gas production pipeline, and the sealing performance between the sampling tube and the sampling port is ensured;
5. the column cap is connected with the second screw rod in a rotating mode, the elastic piece cannot rotate along with the second screw rod when the second screw rod rotates, accordingly, connection between the hook and the sampling tube cannot be affected, and connection stability is improved again.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the upper pipe clamp;
FIG. 3 is a schematic perspective view of the lower pipe clamp;
FIG. 4 is a perspective view of the bolt;
fig. 5 is a schematic perspective view of the connecting rod.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 5, the present invention provides a connection mechanism for natural gas sampling, which is used for connecting a gas pipeline and a sampling pipe (not shown in the figures), and comprises:
an upper pipe clamp 100 which is attached to the top of the gas production pipeline;
the lower pipe clamp 200 is arranged opposite to the upper pipe clamp 100 and is attached to the bottom of the gas production pipeline;
a bolt 300 for connecting the upper pipe clamp 100 and the lower pipe clamp 200; and
one end of the connecting rod 400 is connected with the middle part of the bolt 300, and the other end is connected with the sampling tube and is used for sealing and butting the sampling tube and a sampling port of the gas production pipeline;
two bolts 300 and two connecting rods 400 are symmetrically arranged, one end of each bolt 300 is rotatably connected with one end of the lower pipe clamp 200, and the other end of each bolt 300 can be clamped with one end of the upper pipe clamp 100 and locked on the upper pipe clamp 100 through a nut 500.
During installation, first lower pipe strap 200 is laminated with the bottom of gas production pipeline, then upper pipe strap 100 is laminated at the top of gas production pipeline, rotate bolt 300 around the junction of bolt 300 and lower pipe strap 200 next, make it and upper pipe strap 100 joint, and lock bolt 300 on upper pipe strap 100 through nut 500, thereby realize upper pipe strap 100 and lower pipe strap 200 be connected on gas production pipeline, later the sampling tube passes through connecting rod 400 and the sample connection butt joint of gas production pipeline, for next step sampling work preparation. Through rotating the bolt 300 that sets up, can be with last pipe strap 100 and lower pipe strap 200 high-speed joint on gas production pipeline, for the sampling tube with gas production pipeline's sample connection butt joint provides the connection fulcrum, thereby during the dismantlement after loosening nut 500 reverse rotation bolt 300 break away from last pipe strap 100 can break off the connection between last pipe strap 100 and lower pipe strap 200 and take them down fast, convenient operation and simple, efficient.
Referring to fig. 2 to 4, the bolt 300 includes a first shaft sleeve 310, a first rod 320, and a first screw 330, which are sequentially disposed, the first rod 320 and an outer circumferential surface of the first shaft sleeve 310 are vertically connected to form a T-shaped structure, the first shaft sleeve 310 is rotatably connected to a pin 210 disposed at each end of the lower pipe clamp 200, and the first screw 330 can be clamped into a U-shaped bayonet 110 disposed at each end of the upper pipe clamp 100 after the bolt 300 is integrally rotated and is locked above the U-shaped bayonet 110 by a nut 500.
Each end of the lower pipe clamp 200 is provided with a U-shaped notch 220, and the pin 210 is located in the U-shaped notch 220 and connected with two sides of the U-shaped notch 220. By limiting the U-shaped notch 220, the bolt 300 is more stable when rotated as a whole.
Go up pipe strap 100 and lower pipe strap 200 and all be the arc structure, and all bond on the relative one side that sets up of pipe strap 100 and lower pipe strap 200 and have the rubber slipmat. Through arc structure and rubber slipmat, can increase the area of contact between pipe strap 100, lower pipe strap 200 and the gas production pipeline, can increase the frictional force between pipe strap 100, lower pipe strap 200 and the gas production pipeline simultaneously, guarantee good fixed effect.
Referring to fig. 1 and 5, the connection rod 400 includes a second shaft sleeve 410, a second rod 420, an elastic member 440 and a hook 450, which are connected in sequence, the second shaft sleeve 410 is rotatably connected with the first screw 330, the second rod 420 and the outer circumferential surface of the second shaft sleeve 410 are vertically connected to form a T-shaped structure, and the hook 450 can be connected to the sampling tube by stretching the elastic member 440. After the sampling tube is aligned to the sampling port of the gas production pipeline, the connecting rod 400 is rotated around the first screw 330, then the elastic piece 440 is stretched to connect the hook 450 to the sampling tube, and the sampling tube is quickly in sealing butt joint with the sampling port of the gas production pipeline under the action of the resetting force of the elastic piece 440, so that preparation is made for sampling operation. After going up pipe strap 100 and lower pipe strap 200 and passing through bolt 300 connection on the gas production pipeline promptly, the sampling tube can realize fast through tensile elastic component 440 with the sealed butt joint of gas production pipeline sample connection, the sampling tube is connected stably, firmly with the sample connection of gas production pipeline, relies on elastic component 440's restoring force to the throne to have strengthened sealing performance between them moreover, can not take place to drop and cause the leakage, has improved the security of sampling process.
Referring to fig. 1, the second shaft sleeve 410 is rotatably fitted over the first screw 330, and has a lower end contacting the first rod 320 and an upper end contacting the nut 500 screwed to the first screw 330. The spacing of the nut 500 prevents the connecting rod 400 from moving on the first screw 330 when rotating, and the stability of the connection can be further improved.
The connecting rod 400 further includes a second screw 430 for adjusting the restoring force of the elastic member 440, the second rod body 420 is hollow and provided with an internal thread, one end of the second screw 430 extends into the second rod body 420 to be connected with the second rod body through the thread, and the other end of the second screw is rotatably connected with the elastic member 440. After the sampling tube is aligned with the sampling port of the gas production pipeline, the hook 450 is connected to the sampling tube, the second screw 430 is rotated to be screwed into the second rod body 420, so that the resetting force of the elastic piece 440 is increased, the sampling tube is pulled to be tightly aligned with the sampling port of the gas production pipeline, and the sealing performance between the sampling tube and the sampling port of the gas production pipeline is ensured; or according to the connection requirement, the second screw 430 is rotated in advance to be screwed in or out of the second rod body 420, the whole length of the connecting rod 400 is changed, and the external force applied by a sampling person for stretching the elastic member 440 is reduced, so that the hook 450 is conveniently connected with the sampling tube.
In order to rotate the second screw 430, a hexagonal handle 431 is provided on the second screw 430. The sampler rotates the second screw 430 by clamping the hexagonal handle 431 with a wrench, so that it is screwed into or out of the second rod body 420, thereby changing the overall length of the connecting rod 400.
The elastic member 440 includes an elastic member body 441 and column heads 442 symmetrically connected to two ends of the elastic member body 441, one column head 442 is rotatably sleeved on the second screw 430, and the other column head 442 is fixedly connected to the hook 450. Through the rotary connection of the column head 442 and the second screw 430, the elastic member 440 does not follow the rotation when the second screw 430 rotates, so that the connection between the hook 450 and the sampling tube is not affected, and the stability of the connection is improved again. In this embodiment, the elastic member body 441 is a tension spring.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, which should be considered to fall within the protection scope of the patent of the present invention.
Claims (10)
1. The utility model provides a coupling mechanism for natural gas sampling for connect gas production pipeline and sampling tube, its characterized in that, this coupling mechanism includes:
the pipe installing clamp is attached to the top of the gas production pipeline;
the lower pipe clamp is arranged opposite to the upper pipe clamp and is attached to the bottom of the gas production pipeline;
the bolt is used for connecting the upper pipe clamp and the lower pipe clamp; and
one end of the connecting rod is connected with the middle part of the bolt, and the other end of the connecting rod is connected with the sampling tube and is used for sealing and butting the sampling tube and a sampling port of the gas production pipeline;
the connecting rod is arranged on the upper pipe clamp, the lower pipe clamp is arranged on the lower pipe clamp, the connecting rod is arranged on the upper pipe clamp, the bolt and the connecting rod are symmetrically provided with two parts, one end of each bolt is rotatably connected with one end of the lower pipe clamp, the other end of each bolt can be clamped with one end of the upper pipe clamp and locked on the upper pipe clamp through a nut.
2. The connection mechanism for natural gas sampling according to claim 1, wherein the bolt includes a first shaft sleeve, a first rod body and a first screw rod which are arranged in sequence, the first rod body and the outer circumferential surface of the first shaft sleeve are vertically connected to form a T-shaped structure, the first shaft sleeve is rotationally connected with a pin shaft arranged at each end of the lower pipe clamp, and the first screw rod can be clamped into a U-shaped bayonet arranged at each end of the upper pipe clamp and locked above the U-shaped bayonet through a nut.
3. The connection mechanism for natural gas sampling according to claim 2, wherein each end of the lower pipe clamp is provided with a U-shaped notch, and the pin shaft is located in the U-shaped notch and connected with two sides of the U-shaped notch.
4. The natural gas sampling connection mechanism of claim 3, wherein the upper pipe clamp and the lower pipe clamp are both arc-shaped, and rubber anti-slip pads are bonded on the surfaces of the upper pipe clamp and the lower pipe clamp which are arranged oppositely.
5. The connection mechanism for natural gas sampling according to any one of claims 2 to 4, wherein the connection rod comprises a second shaft sleeve, a second rod body, an elastic member and a hook which are sequentially connected, the second shaft sleeve is rotatably connected with the first screw rod, the second rod body and the outer circumferential surface of the second shaft sleeve are vertically connected to form a T-shaped structure, and the hook can be connected to the sampling tube after stretching the elastic member.
6. The natural gas sampling connection mechanism according to claim 5, wherein the second shaft sleeve is rotatably fitted over the first screw, and has a lower end contacting the first rod and an upper end contacting a nut screwed onto the first screw.
7. The natural gas sampling connection mechanism according to claim 6, wherein the connection rod further comprises a second screw for adjusting the return force of the elastic member, the second rod body is hollow and provided with internal threads, one end of the second screw extends into the second rod body and is in threaded connection with the second rod body, and the other end of the second screw is in rotational connection with the elastic member.
8. The natural gas sampling connection mechanism according to claim 7, wherein a hexagonal shank is provided on the second screw.
9. The natural gas sampling connection mechanism according to claim 7 or 8, wherein the elastic member comprises an elastic member body and column heads symmetrically connected to two ends of the elastic member body, one of the column heads is rotatably sleeved on the second screw rod, and the other column head is fixedly connected with the hook.
10. The coupling mechanism for natural gas sampling of claim 9, wherein the elastic member body is a tension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011569524.4A CN112593933B (en) | 2020-12-26 | 2020-12-26 | Coupling mechanism for natural gas sampling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011569524.4A CN112593933B (en) | 2020-12-26 | 2020-12-26 | Coupling mechanism for natural gas sampling |
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| CN112593933A true CN112593933A (en) | 2021-04-02 |
| CN112593933B CN112593933B (en) | 2023-03-24 |
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| CN112593933B (en) | 2023-03-24 |
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