CN117685432B - Communication piece for petroleum machining - Google Patents
Communication piece for petroleum machining Download PDFInfo
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- CN117685432B CN117685432B CN202410146293.8A CN202410146293A CN117685432B CN 117685432 B CN117685432 B CN 117685432B CN 202410146293 A CN202410146293 A CN 202410146293A CN 117685432 B CN117685432 B CN 117685432B
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- sleeve
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- sealing
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- 239000003208 petroleum Substances 0.000 title claims abstract description 39
- 238000003754 machining Methods 0.000 title claims abstract description 15
- 238000004891 communication Methods 0.000 title claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 74
- 238000009434 installation Methods 0.000 claims description 19
- 238000012856 packing Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 abstract description 9
- 230000037431 insertion Effects 0.000 abstract description 9
- 238000012545 processing Methods 0.000 abstract description 3
- 238000011161 development Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The invention relates to the technical field of communication parts for petroleum processing, in particular to a communication part for petroleum machining, which comprises a sleeve, a connecting structure, a first identification structure, a second identification structure, a sealing structure, a positioning structure and a flange plate; the petroleum pipeline is connected through the cooperation of the sleeve and the connecting pipe, the distance between the sleeve and the connecting pipe is convenient to adjust, the pipeline connecting position is tighter, and the pipeline connecting operation is more convenient; obtaining the insertion depth of the connecting structure through the second identification structure, and observing and comparing the mark position on the first identification structure according to the insertion depth of the connecting pipe obtained by the second identification structure, so as to detect whether the tightness between the connecting structure and the sleeve is good; the connecting structure is sealed with the sleeve through the sealing structure, so that the sealing performance is improved; the flange plate to be connected is positioned through the positioning structure, so that the hole positions of the mounting bolts on the flange plate are aligned, the mounting bolts are more convenient, and the mounting efficiency of the flange plate is improved.
Description
Technical Field
The invention relates to the technical field of communication parts for petroleum processing, in particular to a communication part for petroleum machining.
Background
The petrochemical machinery mainly focuses on the design, manufacture, maintenance and the like of various mechanical equipment needed in the petroleum exploitation, storage, transportation, extraction and other processes, the country has corresponding industry standards, along with the continuous development of social economy, the industry of China also accelerates the development pace, the petroleum industry is an important guarantee of industrial development, in recent years, the petroleum resource exploitation amount is continuously increased, the petroleum machinery is used more and more frequently, and the petroleum is transported through pipelines and connected through communicating pieces during transportation.
However, most of the communicating members of the petroleum pipeline are single in structure and integrally produced, so that the communicating members are not flexible and convenient to use, inconvenient to assemble, inconvenient to adjust the length of the communicating members according to the distance of ports of the petroleum pipeline, and low in applicability; the connecting piece is inconvenient to observe whether the connecting piece is tightly connected when connecting the pipeline, and the connecting piece is not tightly connected, so that the connecting piece is more troublesome to detach and replace after being installed; when installing the ring flange, need to install the bolt after all holes align, the ring flange skew easily influences installation effectiveness during the installation.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a connecting piece for petroleum machining.
The technical scheme adopted for solving the technical problems is as follows: a connecting piece for petroleum machining comprises a sleeve; the connecting structure is arranged on the sleeve and comprises a connecting pipe, the connecting pipe is connected onto the sleeve in a sliding manner, four fixing blocks are fixedly connected onto the end parts of the connecting pipe, mounting rings are fixedly connected onto the four fixing blocks through four first bolts, the mounting rings are connected with the sleeve in a sliding manner, a sealing ring is connected onto the sleeve in a threaded manner, and the connecting pipe is connected with the sealing ring in a sliding manner; the flange plate is fixedly connected with the end parts of the connecting pipe and the sleeve.
Specifically, the side wall of the sleeve is of a U-shaped structure, and the side wall of the connecting pipe and the mounting ring jointly form an L-shaped structure.
Specifically, the cover sealing ring is fixedly connected with an installation block with an L-shaped section, and the installation block is provided with a through hole.
Specifically, be equipped with first identification structure on the sleeve pipe, first identification structure includes first cavity, the airtight space that forms between collar and the sleeve pipe is first cavity, be equipped with the mounting hole on the sleeve pipe, threaded connection has the installation cover on the sleeve pipe, the inside of installation cover is equipped with the second cavity, communicate through the mounting hole between first cavity and the second cavity, the inside sliding connection of installation cover has the piston, fixedly connected with cross-section is the connecting rod of U-shaped on the piston.
Specifically, fixedly connected with first mark piece on the connecting rod, sliding connection between the lateral wall of tip and the installation cover of first mark piece, fixedly connected with first scale on the lateral wall of installation cover.
Specifically, be equipped with the second identification structure on the connecting pipe, the second identification structure includes the second bolt, through second bolt fixedly connected with connecting block on the connecting pipe, fixedly connected with second mark piece on the connecting block, sliding connection between second mark piece and the sleeve pipe, fixedly connected with second scale on the sleeve pipe.
Specifically, be equipped with seal structure on the connection structure, seal structure includes outer sealing ring, install two outer sealing rings on the lateral wall of collar, install two interior sealing rings on the inside wall of collar, sliding connection between outer sealing ring, the interior sealing ring all and the sleeve pipe, it has the seal packing layer to fill on the collar, the seal packing layer is located between two interior sealing rings, be equipped with first sealing washer on the sleeve pipe, sliding connection between connecting pipe and the first sealing washer.
Specifically, the sealing structure further comprises a sealing gasket, and the sealing gasket is arranged on the flange plate.
Specifically, the sealing structure further comprises a second sealing ring, and the second sealing ring is clamped between the mounting sleeve and the sleeve.
Specifically, be equipped with location structure on the ring flange, location structure includes first locating piece, fixedly connected with first locating piece on the ring flange, fixedly connected with locating lever on the first locating piece, locating lever sliding connection is in the inside of locating hole, the locating hole is located on the second locating piece.
The beneficial effects of the invention are as follows:
(1) According to the connecting piece for petroleum machining, the connecting structure is arranged on the sleeve, so that the sleeve and the connecting pipe are matched for connecting a petroleum pipeline, the distance between the sleeve and the connecting pipe is convenient to adjust according to the distance between petroleum pipeline joints, the pipeline connecting position is tighter, and the pipeline connecting operation is more convenient.
(2) According to the connecting piece for petroleum machining, the first identification structure is arranged on the sleeve, the second identification structure is arranged on the connecting structure, the insertion depth of the connecting structure is known through the second identification structure, meanwhile, the mark position on the first identification structure is observed and compared according to the insertion depth of the connecting pipe obtained by the second identification structure, whether the tightness between the connecting structure and the sleeve is good or not is detected, and the tightness between the connecting structure and the sleeve is ensured.
(3) According to the connecting piece for petroleum machining, the sealing structure is arranged on the connecting structure, and the connecting structure is sealed with the sleeve through the sealing structure, so that the sealing performance is improved, and the using effect of the connecting structure is further improved.
(4) According to the connecting piece for petroleum machining, the positioning structure is arranged on the flange, and the flange to be connected is positioned through the positioning structure, so that the hole positions of the mounting bolts on the flange are aligned, the mounting bolts are more convenient, and the mounting efficiency of the flange is improved.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the portion A shown in FIG. 1;
FIG. 3 is a schematic view of the connection structure of the sleeve and the connection structure of the present invention;
FIG. 4 is an enlarged schematic view of the B-section structure shown in FIG. 3;
FIG. 5 is an enlarged schematic view of the structure of the portion C shown in FIG. 3;
FIG. 6 is an enlarged schematic view of the structure of the portion D shown in FIG. 3;
FIG. 7 is a schematic view of the connection structure of the cover ring and the mounting block of the present invention;
Fig. 8 is a schematic diagram of a connection structure of a connection pipe and a mounting ring according to the present invention.
In the figure: 1. a sleeve; 2. a connection structure; 201. a connecting pipe; 202. a fixed block; 203. a first bolt; 204. a mounting ring; 205. a cover ring; 206. a mounting block; 207. a through hole; 3. a first identification structure; 301. a first cavity; 302. a mounting hole; 303. a mounting sleeve; 304. a second cavity; 305. a piston; 306. a connecting rod; 307. a first label block; 308. a first scale; 4. a second identification structure; 401. a second bolt; 402. a connecting block; 403. a second label block; 404. a second scale; 5. a sealing structure; 501. an outer seal ring; 502. an inner seal ring; 503. sealing the filling layer; 504. a first seal ring; 505. a sealing gasket; 506. a second seal ring; 6. a positioning structure; 601. a first positioning block; 602. a positioning rod; 603. positioning holes; 604. a second positioning block; 7. and a flange plate.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 8, a communication member for petroleum mechanical processing according to the present invention includes a sleeve 1; the connecting structure 2 is arranged on the sleeve 1, the connecting structure 2 comprises a connecting pipe 201, the connecting pipe 201 is connected to the sleeve 1 in a sliding manner, four fixing blocks 202 are fixedly connected to the end part of the connecting pipe 201, mounting rings 204 are fixedly connected to the four fixing blocks 202 through four first bolts 203, the mounting rings 204 are connected with the sleeve 1 in a sliding manner, a cover ring 205 is connected to the sleeve 1 in a threaded manner, and the connecting pipe 201 is connected with the cover ring 205 in a sliding manner; the flange 7 is fixedly connected with the ends of the connecting pipe 201 and the sleeve 1; the side wall of the sleeve 1 is in a U-shaped structure, and the side wall of the connecting pipe 201 and the mounting ring 204 form an L-shaped structure together;
An installation block 206 with an L-shaped section is fixedly connected to the cover ring 205, and a through hole 207 is formed in the installation block 206; namely: when two sections of petroleum pipelines need to be connected, can pass through bolted connection with flange 7 on the sleeve pipe 1 and the flange 7 of petroleum pipeline port department earlier, then according to the degree of depth of inserting of distance adjustment connecting pipe 201 between two petroleum ports, when adjusting to the laminating of another petroleum pipeline port department, flange 7 and the flange 7 of another petroleum pipeline port through bolted connection connecting pipe 201 department, fixed block 202 on the connecting pipe 201 is equipped with and is equipped with collar 204 through first bolt 203 fixedly connected with collar 204, when connecting pipe 201 slides, collar 204 slides in sleeve pipe 1's inside, when need changing collar 204, can insert the spanner in the through-hole 207 on the installation block 206, then rotate the spanner and roll out sealing ring 205, then slide collar 204 outside sleeve pipe 1's inside, dismantle through first bolt 203 and change collar 204, use the length of the control connecting portion of being convenient for through connecting pipe 201 and sleeve pipe 1 cooperation, and then the adjacent petroleum pipeline of better connection.
Specifically, a first identification structure 3 is arranged on the sleeve 1, the first identification structure 3 comprises a first cavity 301, a closed space formed between the mounting ring 204 and the sleeve 1 is the first cavity 301, a mounting hole 302 is formed in the sleeve 1, a mounting sleeve 303 is connected to the sleeve 1 in a threaded manner, a second cavity 304 is formed in the mounting sleeve 303, the first cavity 301 and the second cavity 304 are communicated through the mounting hole 302, a piston 305 is connected to the interior of the mounting sleeve 303 in a sliding manner, and a connecting rod 306 with a U-shaped section is fixedly connected to the piston 305;
A first standard block 307 is fixedly connected to the connecting rod 306, the end part of the first standard block 307 is in sliding connection with the outer side wall of the mounting sleeve 303, and a first scale 308 is fixedly connected to the outer side wall of the mounting sleeve 303;
The connecting pipe 201 is provided with a second identification structure 4, the second identification structure 4 comprises a second bolt 401, the connecting pipe 201 is fixedly connected with a connecting block 402 through the second bolt 401, the connecting block 402 is fixedly connected with a second standard block 403, the second standard block 403 is in sliding connection with the sleeve 1, and the sleeve 1 is fixedly connected with a second scale 404; namely: according to the depth of the connecting pipe 201 to be inserted into the sleeve 1, when the connecting pipe 201 slides in the sleeve 1, the connecting block 402 fixed by the second bolt 401 is driven to move, the connecting block 402 moves to drive the second standard block 403 to move, the position of the second standard block 403 corresponding to the sleeve 1 changes, data on the second standard block 404 changes, the insertion depth of the connecting pipe 201 is obtained, after the connecting pipe 201 is inserted into the sleeve 1, the mounting ring 204 slides to squeeze air in the first cavity 301 in the sleeve 1, the air in the first cavity 301 enters the second cavity 304 in the mounting sleeve 303 through the mounting hole 302, the air further pushes the piston 305 to slide in the mounting sleeve 303, the piston 305 drives the connecting rod 306 to slide, the connecting rod 306 slides to drive the first standard block 307 to slide on one side of the first standard block 308, the reading on the first standard block 308 is read, and whether the connection between the connecting pipe 201 and the sleeve 1 is tight or not is judged according to whether the data calculated according to the insertion depth is matched.
Specifically, a sealing structure 5 is arranged on the connection structure 2, the sealing structure 5 comprises an outer sealing ring 501, two outer sealing rings 501 are installed on the outer side wall of the mounting ring 204, two inner sealing rings 502 are installed on the inner side wall of the mounting ring 204, the outer sealing ring 501 and the inner sealing rings 502 are both in sliding connection with the sleeve 1, a sealing filling layer 503 is filled on the mounting ring 204, the sealing filling layer 503 is arranged between the two inner sealing rings 502, a first sealing ring 504 is arranged on the sleeve 1, and the connection pipe 201 is in sliding connection with the first sealing ring 504; the sealing structure 5 further comprises a sealing gasket 505, and the sealing gasket 505 is installed on the flange 7;
The sealing structure 5 further comprises a second sealing ring 506, and the second sealing ring 506 is clamped between the mounting sleeve 303 and the sleeve 1; namely: the inner sealing ring 502 and the outer sealing ring 501 are arranged on the mounting ring 204, so that gas in the first cavity 301 is prevented from leaking out through a gap between the mounting ring 204 and the sleeve 1, the use of the first identification structure 3 is further affected, the deformation caused by thermal barrier shrinkage can be reduced due to the arrangement of the sealing filling layer 503, the integral tightness of the connecting structure 2 is improved, the use of the connecting pipe 201 and the sleeve 1 is prevented from being influenced by the side wall of the sleeve 1 due to the fact that petroleum in the connecting part enters the sleeve 1, the sealing property of connection between the flange plates 7 is improved due to the arrangement of the sealing gasket 505, the tightness of the mounting sleeve 303 is improved due to the arrangement of the second sealing ring 506, and the connection between the mounting sleeve 303 and the sleeve 1 is more compact.
Specifically, a positioning structure 6 is arranged on the flange 7, the positioning structure 6 includes a first positioning block 601, the flange 7 is fixedly connected with the first positioning block 601, the first positioning block 601 is fixedly connected with a positioning rod 602, the positioning rod 602 is slidably connected to the inside of a positioning hole 603, and the positioning hole 603 is arranged on a second positioning block 604; namely: before installing the flange plate 7, the second positioning block 604 is welded on the flange plate 7 at the end part of the petroleum pipeline, then the positioning rod 602 on the flange plate 7 at the end part of the sleeve 1 or the connecting pipe 201 is inserted into the positioning hole 603 on the second positioning block 604, at this time, the alignment of holes between the two flange plates 7 can be ensured, and then the installation can be completed by connecting the two flange plates 7 through bolts.
When the oil pipeline connecting device is used, firstly, when two sections of oil pipelines are required to be connected, the flange 7 on the sleeve 1 can be connected with the flange 7 at the port of the oil pipeline through bolts, then the insertion depth of the connecting pipe 201 is adjusted according to the distance between the two oil ports, when the oil pipeline connecting device is regulated to be attached to the port of another oil pipeline, the flange 7 at the position of the connecting pipe 201 is connected with the flange 7 at the port of the other oil pipeline through bolts, the fixing block 202 on the connecting pipe 201 is fixedly connected with the mounting ring 204 through the first bolts 203, when the connecting pipe 201 slides, the mounting ring 204 slides in the sleeve 1, when the mounting ring 204 is required to be replaced, a spanner can be inserted into the through holes 207 on the mounting block 206, then the spanner is turned to rotate out the sealing ring 205, then the mounting ring 204 slides out of the sleeve 1, the mounting ring 204 is dismounted through the first bolts 203, the length of the connecting pipe 201 and the sleeve 1 is matched for use, and the connecting part is convenient to control, and the adjacent oil pipelines are better connected;
Then, determining the depth of the connecting pipe 201 to be inserted into the sleeve 1 according to the distance between two petroleum pipelines, when the connecting pipe 201 slides in the sleeve 1, driving the connecting block 402 fixed by the second bolt 401 to move, driving the second standard block 403 to move by the movement of the connecting block 402, changing the position of the second standard block 403 on the sleeve 1, changing the data on the second scale 404, further obtaining the insertion depth of the connecting pipe 201, after the connecting pipe 201 is inserted into the sleeve 1, the mounting ring 204 slides to squeeze the air in the first cavity 301 in the sleeve 1, the air in the first cavity 301 enters the second cavity 304 in the mounting sleeve 303 through the mounting hole 302, the air further pushes the piston 305 to slide in the mounting sleeve 303, the piston 305 drives the connecting rod 306 to slide, and the connecting rod 306 slides to drive the first standard block 307 to slide on one side of the first scale 308, further reading on the first scale 308, and further judging whether the connection between the connecting pipe 201 and the sleeve 1 is tight or not according to whether the data estimated by the insertion depth coincide or not;
Secondly, the inner sealing ring 502 and the outer sealing ring 501 are arranged on the mounting ring 204, so that gas in the first cavity 301 is prevented from leaking out through a gap between the mounting ring 204 and the sleeve 1, the use of the first identification structure 3 is further influenced, deformation caused by thermal barrier shrinkage can be reduced by the arrangement of the sealing filling layer 503, the integral tightness of the connecting structure 2 is improved, the use of the connecting pipe 201 and the sleeve 1 is prevented from being influenced by the fact that petroleum in the connecting pipe 201 and the sleeve 1 enters the side wall of the sleeve 1 from the connecting position, the tightness of connection between the flange plates 7 is improved by the arrangement of the sealing gasket 505, and the tightness of connection between the mounting sleeve 303 and the sleeve 1 is improved by the arrangement of the second sealing ring 506, so that the connection between the mounting sleeve 303 and the sleeve 1 is tighter;
finally, before installing the flange 7, the second positioning block 604 is welded on the flange 7 at the end of the petroleum pipeline, then the positioning rod 602 on the flange 7 at the end of the sleeve 1 or the connecting pipe 201 is inserted into the positioning hole 603 on the second positioning block 604, at this time, the alignment of holes between the two flanges 7 can be ensured, and then the installation can be completed by connecting the two flanges 7 through bolts.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. A communication member for petroleum machining, comprising: a sleeve (1); the connecting structure (2) is arranged on the sleeve (1), the connecting structure (2) comprises a connecting pipe (201), the connecting pipe (201) is connected to the sleeve (1) in a sliding mode, four fixing blocks (202) are fixedly connected to the end portions of the connecting pipe (201), mounting rings (204) are fixedly connected to the four fixing blocks (202) through four first bolts (203), the mounting rings (204) are connected with the sleeve (1) in a sliding mode, a sealing ring (205) is connected to the sleeve (1) in a threaded mode, and the connecting pipe (201) is connected with the sealing ring (205) in a sliding mode; the flange (7) is fixedly connected with the ends of the connecting pipe (201) and the sleeve (1); the side wall of the sleeve (1) is of a U-shaped structure, and an L-shaped structure is formed between the side wall of the connecting pipe (201) and the mounting ring (204); an installation block (206) with an L-shaped section is fixedly connected to the cover sealing ring (205), and a through hole (207) is formed in the installation block (206);
Be equipped with first identification structure (3) on sleeve pipe (1), first identification structure (3) include first cavity (301), airtight space that forms between collar (204) and sleeve pipe (1) is first cavity (301), be equipped with mounting hole (302) on sleeve pipe (1), threaded connection has installation cover (303) on sleeve pipe (1), the inside of installation cover (303) is equipped with second cavity (304), communicate through mounting hole (302) between first cavity (301) and second cavity (304), the inside sliding connection of installation cover (303) has piston (305), fixedly connected with connecting rod (306) that the cross-section is the U-shaped on piston (305); a first standard block (307) is fixedly connected to the connecting rod (306), the end part of the first standard block (307) is in sliding connection with the outer side wall of the mounting sleeve (303), and a first scale (308) is fixedly connected to the outer side wall of the mounting sleeve (303);
Be equipped with second identification structure (4) on connecting pipe (201), second identification structure (4) include second bolt (401), through second bolt (401) fixedly connected with connecting block (402) on connecting pipe (201), fixedly connected with second mark piece (403) on connecting block (402), sliding connection between second mark piece (403) and sleeve pipe (1), fixedly connected with second scale (404) on sleeve pipe (1).
2. A communication for petroleum machining according to claim 1, wherein: be equipped with seal structure (5) on connection structure (2), seal structure (5) include outer sealing ring (501), install two outer sealing rings (501) on the lateral wall of collar (204), install two interior sealing rings (502) on the inside wall of collar (204), sliding connection between outer sealing ring (501), interior sealing ring (502) all and sleeve pipe (1), the last packing of collar (204) has sealed filling layer (503), sealed filling layer (503) are located between two interior sealing rings (502), be equipped with first sealing ring (504) on sleeve pipe (1), sliding connection between connecting pipe (201) and first sealing ring (504).
3. A communication member for petroleum machining according to claim 2, wherein: the sealing structure (5) further comprises a sealing gasket (505), and the sealing gasket (505) is arranged on the flange plate (7).
4. A communication member for petroleum machining according to claim 2, wherein: the sealing structure (5) further comprises a second sealing ring (506), and the second sealing ring (506) is clamped between the mounting sleeve (303) and the sleeve (1).
5. A communication for petroleum machining according to claim 1, wherein: be equipped with location structure (6) on ring flange (7), location structure (6) include first locating piece (601), fixedly connected with first locating piece (601) on ring flange (7), fixedly connected with locating lever (602) on first locating piece (601), locating lever (602) sliding connection is in the inside of locating hole (603), locating hole (603) are located on second locating piece (604).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410146293.8A CN117685432B (en) | 2024-02-02 | 2024-02-02 | Communication piece for petroleum machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410146293.8A CN117685432B (en) | 2024-02-02 | 2024-02-02 | Communication piece for petroleum machining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117685432A CN117685432A (en) | 2024-03-12 |
| CN117685432B true CN117685432B (en) | 2024-05-03 |
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ID=90126904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410146293.8A Active CN117685432B (en) | 2024-02-02 | 2024-02-02 | Communication piece for petroleum machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117685432B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2110126U (en) * | 1991-06-22 | 1992-07-15 | 阜宁县第一机械厂 | Balance extension compensater |
| CN103836282A (en) * | 2014-03-18 | 2014-06-04 | 江苏亚星波纹管有限公司 | Pull rod limiting type single sleeve expansion joint |
| CN212430050U (en) * | 2020-05-13 | 2021-01-29 | 江苏日升科技实业有限公司 | Corrosion-resistant anti-leakage rotary compensator for petrochemical pipeline |
| CN218152864U (en) * | 2022-09-14 | 2022-12-27 | 房磊 | A conduit coupling for hydraulic engineering |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019116326A1 (en) * | 2019-06-14 | 2020-12-17 | Theodor WÜST | Pipe joint applicator and method of making a joint |
-
2024
- 2024-02-02 CN CN202410146293.8A patent/CN117685432B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2110126U (en) * | 1991-06-22 | 1992-07-15 | 阜宁县第一机械厂 | Balance extension compensater |
| CN103836282A (en) * | 2014-03-18 | 2014-06-04 | 江苏亚星波纹管有限公司 | Pull rod limiting type single sleeve expansion joint |
| CN212430050U (en) * | 2020-05-13 | 2021-01-29 | 江苏日升科技实业有限公司 | Corrosion-resistant anti-leakage rotary compensator for petrochemical pipeline |
| CN218152864U (en) * | 2022-09-14 | 2022-12-27 | 房磊 | A conduit coupling for hydraulic engineering |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117685432A (en) | 2024-03-12 |
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