CN211624497U - Connecting structure of natural gas conveying pipeline - Google Patents
Connecting structure of natural gas conveying pipeline Download PDFInfo
- Publication number
- CN211624497U CN211624497U CN202020217483.1U CN202020217483U CN211624497U CN 211624497 U CN211624497 U CN 211624497U CN 202020217483 U CN202020217483 U CN 202020217483U CN 211624497 U CN211624497 U CN 211624497U
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- Prior art keywords
- flange
- pipeline
- wedge
- wall
- natural gas
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 239000003345 natural gas Substances 0.000 title claims abstract description 24
- 238000000576 coating method Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000035 biogenic effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model discloses a connection structure of a natural gas transmission pipeline, which belongs to the technical field of natural gas transmission pipelines, and adopts the technical scheme that the connection structure comprises a first pipeline and a second pipeline, wherein a first flange is coaxially and fixedly arranged at one end of the first pipeline, and the first flange is in a shape of a disc; the coaxial fixed mounting of one end that the second pipeline is close to first flange has the second flange, the second flange is "dome" form, first flange embedding sets up the inboard at second flange "dome" column structure, radially seted up a plurality of wedge holes around its axle center on the lateral wall of second flange, the inner wall that the wedge hole is close to first pipeline one side is "slope" form, the inner wall that is close to second pipeline one side is vertical "plane" form, and first screw hole has all been seted up along the axial to this both sides inner wall, wherein the wedge hole is close to the outside that first screw hole on the inner wall of first pipeline one side extended to the second flange along the axial always. The connection structure of the natural gas conveying pipeline does not need to be aligned in advance when being connected, and time and labor are saved.
Description
Technical Field
The utility model relates to a natural gas conveying pipeline technical field specifically is a natural gas conveying pipeline's connection structure.
Background
Natural gas is stored in underground porous rock stratum, including oil field gas, gas field gas, coal bed gas, mud volcanic gas, biogenic gas and the like, and a small amount of natural gas is discharged from the coal bed, and the natural gas is high-quality clean fuel and chemical raw materials, and has wide application fields.
The natural gas mainly transmits through the pipeline, and the pipeline of natural gas all is formed by many pipe connection, and common natural gas pipeline's connected mode mainly adopts flange joint, but this kind of traditional connection structure need with just can realize the connection of two pipelines after aiming at the screw hole accuracy on the ring flange of two pipelines earlier, wastes time and energy.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a natural gas transportation pipeline's connection structure, this kind of natural gas transportation pipeline's connection structure need not to aim at labour saving and time saving in advance when connecting.
The above technical purpose of the present invention can be achieved by the following technical solutions: a connection structure of a natural gas conveying pipeline comprises a first pipeline and a second pipeline, wherein a first flange is coaxially and fixedly installed at one end of the first pipeline, and the first flange is in a disc shape; a second flange is coaxially and fixedly installed at one end, close to the first flange, of the second pipeline, the second flange is in a round cover shape, the first flange is embedded into the inner side of a round cover-shaped structure of the second flange, a plurality of wedge holes are radially formed in the side wall of the second flange around the axis of the second flange, the inner wall, close to one side of the first pipeline, of each wedge hole is in a slope shape, the inner wall, close to one side of the second pipeline, of each wedge hole is in a vertical plane shape, first threaded holes are axially formed in the inner walls of the two sides of each wedge hole, the first threaded holes in the inner wall, close to one side of the first pipeline, of each wedge hole extend to the outer portion of the second flange all the way along the axial direction, bolts are arranged in the first threaded holes in a matched mode, fastening wedges are inserted into the wedge holes, and the outer wall, close to one side of the first pipeline, of each fastening wedge is in a slope, the outer wall close to one side of the second pipeline is in a vertical plane shape, and a second threaded hole is formed in the fastening wedge in a penetrating mode along the axial direction.
Further, a gasket is arranged between the first flange and the second flange.
Further, when the fastening wedge is fully inserted into the wedge hole, the first threaded hole is coaxial with the second threaded hole.
Furthermore, a plurality of the wedge holes are uniformly distributed on the side wall of the second flange at equal intervals.
Further, the fastening wedge is matched with the slope surface of the wedge hole.
Furthermore, the outer walls of the first flange and the second flange are coated with antirust coatings.
To sum up, the utility model discloses following beneficial effect has:
this kind of natural gas conveying pipeline's connection structure, first flange embedding through with first pipeline is in the second flange of second pipeline, it is downthehole to insert the wedge on the second flange completely with the fastening wedge again, utilize the oppression effect of fastening wedge closely to laminate first flange and second flange and fix together, link up first screw hole and second screw hole simultaneously and screw up the bolt at last, realize the fixed of fastening wedge, and then realize the final fixed to first flange and second flange, thereby accomplish the firm connection of first pipeline and second pipeline, need not to operate in advance pipeline and flange when connecting, labour saving and time saving.
Drawings
FIG. 1 is a cross-sectional view of the present invention when the first and second pipes are not fully connected;
FIG. 2 is a cross-sectional view of the present invention when the first pipe and the second pipe are completely connected;
fig. 3 is a sectional structure view of the fastening wedge of the present invention.
In the figure: 1. a first conduit; 2. a second conduit; 3. a first flange; 4. a second flange; 401. a wedge hole; 402. a first threaded hole; 5. fastening a wedge; 501. a second threaded hole; 6. a bolt; 7. and (7) a gasket.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a connection structure of a natural gas transportation pipeline includes a first pipeline 1 and a second pipeline 2, wherein a first flange 3 is coaxially and fixedly installed at one end of the first pipeline 1, and the first flange 3 is in a shape of a "disc"; a second flange 4 is coaxially and fixedly installed at one end of a second pipeline 2 close to a first flange 3, the second flange 4 is in a round cover shape, the first flange 3 is embedded and arranged at the inner side of a round cover-shaped structure of the second flange 4, a plurality of wedge holes 401 are radially arranged on the side wall of the second flange 4 around the axis of the second flange, the inner wall of one side of each wedge hole 401 close to the first pipeline 1 is in a slope shape, the inner wall of one side close to the second pipeline 2 is in a vertical plane shape, and the inner walls of the two sides are both axially provided with first threaded holes 402, wherein the first threaded holes 402 on the inner wall of one side of each wedge hole 401 close to the first pipeline 1 extend to the outer part of the second flange 4 along the axial direction, a bolt 6 is arranged in the first threaded holes 402 in a matched manner, a fastening wedge 5 is inserted in the wedge hole 401, the outer wall of one side of the fastening wedge 5 close to the first pipeline 1 is in a slope shape, the outer wall of one side close to the second pipeline 2, a second threaded hole 501 is formed in the fastening wedge 5 so as to axially penetrate therethrough.
Through the technical scheme, when the first pipeline 1 and the second pipeline 2 are connected, the first flange 3 in a disc shape is embedded into the second flange 4 in a round cover shape, so that the first flange and the second flange are combined together preliminarily, then the fastening wedge 5 is inserted into each wedge hole 401 respectively, in the inserting process, the fastening wedge 5 is kept to be attached to the slope surface of the wedge hole 401, along with the insertion of the fastening wedge 5, the fastening wedge 5 is extruded towards the direction of the first flange 3 along the slope surface of the wedge hole 401, the first flange 3 moves towards the direction of the second flange 4 after being pressed, when the fastening wedge 5 is completely inserted into the wedge hole 401, namely the insertion end of the fastening wedge 5 is contacted with the first pipeline 1, the extrusion force of the first flange 3 is the largest, at the moment, the first flange 3 and the second flange 4 are tightly attached and fixed together, insert first screw hole 401 with bolt 6 and run through second screw hole 501 simultaneously to screw up, realize fixing fastening wedge 5, and then realize the final fixed to first flange 3 and second flange 4, thereby accomplish the firm connection of first pipeline 1 and second pipeline 2, whole process is for changing into the process of figure 2 by figure 1, to sum up, the utility model discloses need not to operate in advance pipeline and flange when connecting, whole process labour saving and time saving.
Further, as shown in fig. 1 and 2, a gasket 7 is arranged between the first flange 3 and the second flange 4, and a gap generated when the first flange 3 and the second flange 4 are attached can be effectively reduced through the gasket 7, so that the attachment between the first flange 3 and the second flange is tighter and firmer.
Further, as shown in fig. 2 and 3, when the fastening wedge 5 is completely inserted into the wedge hole 401, the first threaded hole 402 and the second threaded hole 501 are coaxial, and the bolt 6 at this time is ensured to be simultaneously inserted into the first threaded hole 402 and the second threaded hole 501, thereby fixing the fastening wedge 5.
Further, a plurality of wedge holes 401 are evenly distributed on the side wall of the second flange 4 at equal intervals, so that the stress of each part of the connection part of the first pipeline 1 and the second pipeline 2 is even, and the structure is more stable.
Further, as shown in fig. 1 and 2, the fastening wedge 5 is engaged with the "slope" surface of the wedge hole 401, so that the fastening wedge 5 can slide more smoothly along the "slope" surface of the wedge hole 401.
Further, the outer wall of first flange 3 and second flange 4 all scribbles anti rust coating, has played rust-resistant effect, has effectively promoted the life of first flange 3 and second flange 4.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (6)
1. A connection structure of natural gas transportation pipeline, includes first pipeline (1) and second pipeline (2), its characterized in that:
a first flange (3) is coaxially and fixedly installed at one end of the first pipeline (1), and the first flange (3) is in a disc shape;
a second flange (4) is coaxially and fixedly installed at one end, close to the first flange (3), of the second pipeline (2), the second flange (4) is in a round cover shape, the first flange (3) is embedded into the inner side of a round cover-shaped structure of the second flange (4), a plurality of wedge holes (401) are radially formed in the side wall of the second flange (4) around the axis of the second flange, the inner wall, close to one side of the first pipeline (1), of each wedge hole (401) is in a slope shape, the inner wall, close to one side of the second pipeline (2), is in a vertical plane shape, first threaded holes (402) are axially formed in the inner walls of the two sides, the first threaded holes (402) in the inner wall, close to one side of the first pipeline (1), of each wedge hole (401) axially extend to the outer portion of the second flange (4), and bolts (6) are arranged in the first threaded holes (402) in a matched mode, the fastening wedge (5) is inserted into the wedge hole (401), the fastening wedge (5) is close to the outer wall of one side of the first pipeline (1) and is in a slope shape, the outer wall of one side of the second pipeline (2) is in a vertical plane shape, and a second threaded hole (501) is formed in the fastening wedge (5) in a penetrating mode along the axial direction.
2. The connection structure of a natural gas transport pipeline according to claim 1, characterized in that: a gasket (7) is arranged between the first flange (3) and the second flange (4).
3. The connection structure of a natural gas transport pipeline according to claim 1, characterized in that: the first threaded hole (402) is coaxial with the second threaded hole (501) when the fastening wedge (5) is fully inserted into the wedge hole (401).
4. The connection structure of a natural gas transport pipeline according to claim 1, characterized in that: the wedge holes (401) are uniformly distributed on the side wall of the second flange (4) at equal intervals.
5. The connection structure of a natural gas transport pipeline according to claim 1, characterized in that: the fastening wedge (5) is matched with the slope surface of the wedge hole (401).
6. The connection structure of a natural gas transport pipeline according to claim 1, characterized in that: the outer walls of the first flange (3) and the second flange (4) are coated with antirust coatings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020217483.1U CN211624497U (en) | 2020-02-27 | 2020-02-27 | Connecting structure of natural gas conveying pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020217483.1U CN211624497U (en) | 2020-02-27 | 2020-02-27 | Connecting structure of natural gas conveying pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211624497U true CN211624497U (en) | 2020-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020217483.1U Expired - Fee Related CN211624497U (en) | 2020-02-27 | 2020-02-27 | Connecting structure of natural gas conveying pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211624497U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117002199A (en) * | 2023-09-25 | 2023-11-07 | 浙江正裕工业股份有限公司 | Knuckle and shock absorber quick connect structure and knuckle and vehicle |
-
2020
- 2020-02-27 CN CN202020217483.1U patent/CN211624497U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117002199A (en) * | 2023-09-25 | 2023-11-07 | 浙江正裕工业股份有限公司 | Knuckle and shock absorber quick connect structure and knuckle and vehicle |
| CN117002199B (en) * | 2023-09-25 | 2023-12-26 | 浙江正裕工业股份有限公司 | Knuckle and shock absorber quick connect structure and knuckle and vehicle |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201002 |
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| CF01 | Termination of patent right due to non-payment of annual fee |