CN219655569U - Pressure relief blowout preventer for oil pipeline - Google Patents
Pressure relief blowout preventer for oil pipeline Download PDFInfo
- Publication number
- CN219655569U CN219655569U CN202321038921.8U CN202321038921U CN219655569U CN 219655569 U CN219655569 U CN 219655569U CN 202321038921 U CN202321038921 U CN 202321038921U CN 219655569 U CN219655569 U CN 219655569U
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- Prior art keywords
- coupling
- oil pipeline
- pin
- pressure relief
- plug
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- 230000008878 coupling Effects 0.000 claims abstract description 41
- 238000010168 coupling process Methods 0.000 claims abstract description 41
- 238000005859 coupling reaction Methods 0.000 claims abstract description 41
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 7
- 239000002131 composite material Substances 0.000 claims 1
- 210000001503 joint Anatomy 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 47
- 210000002445 nipple Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000006837 decompression Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model belongs to the technical field of pressure relief interfaces of oil delivery pipelines, and provides a pressure relief blowout preventer of the oil delivery pipelines, which comprises the oil delivery pipelines, wherein a coupling is arranged on the oil delivery pipelines, a plug which is in butt joint with the oil delivery pipelines is arranged on the inner side of the coupling, a disassembling sleeve which is in rotary fit with the plug is arranged at the top of the plug, a connecting cylinder is arranged outside the disassembling sleeve and the coupling, a pressure relief pipe orifice is arranged on the connecting cylinder, a pair of fixed hinges are arranged on the oil delivery pipelines, a pair of plugboards are arranged on the outer side of the coupling, a chute is arranged on the plugboards, the bottom end of the chute is a blocking end, a sliding piece which is in movable fit with the plugboard is arranged on the plugboard, the sliding piece is connected with the fixed hinges through a combined pin, a tensioning sleeve is arranged between the inner side of the coupling and the oil delivery pipelines, and a plurality of reinforcing bulges which are uniformly distributed are arranged on the outer side of the connecting cylinder. The device has reasonable design, simple structure, higher connection reliability, better sealing performance and longer service life, and is suitable for large-scale popularization.
Description
Technical Field
The utility model belongs to the technical field of pressure relief interfaces of oil delivery pipelines, and particularly relates to a pressure relief blowout preventer of an oil delivery pipeline.
Background
The oil delivery pipeline of the oil well is provided with an oil outlet, and the oil outlet is used for finding pressure inwards and sweeping the pipeline when the pressure is released or the pipeline is cleaned when the oil delivery pipeline is treated, and the oil delivery pipeline is blocked by a plug when the pressure is not released or the pipeline is not swept. When the pipeline is needed, the plug is detached, and the pressure in the oil pipeline and the injection risk exist, so that the safety of the pressure relief process can be improved by using the pressure relief blowout preventer, and the loss of crude oil and the environmental pollution can be reduced.
The prior patent CN201320642056.8 discloses an oil pipeline pressure release blowout preventer, the upper portion threaded connection of plug and coupling, the lower part of coupling is connected with the upper portion of nipple joint, and the lower part welding of nipple joint is in the trompil department of oil pipeline, and the upper portion of plug is the external hexagonal, and open one side of opening cutting ferrule has the breach, the width of breach equals the external diameter of nipple joint, and the opening cutting ferrule is gone into the nipple joint from the side direction card, and the opening cutting ferrule is blocked by the coupling and can not upwards float, and the connecting cylinder cover is outside the coupling, and the lower part and the opening cutting ferrule threaded connection of connecting cylinder open on the connecting cylinder have the oil drain port, and the external screw thread of dismantlement cover is in the external screw thread of connecting cylinder upper portion, and rotatory dismantlement cover can dismantle the plug, and the plug can not fly out because of pressure is high-speed, and the fluid in the oil pipeline can be retrieved through the oil drain port. However, the problem that the device has in the in-service use is that the connection reliability of coupling and opening cutting ferrule and oil pipeline is lower, appears coupling, opening cutting ferrule, plug and the condition of the whole drunkenness from top to bottom easily, influences oil pipeline's sealed effect, and the radial compressive property of connecting cylinder is relatively poor moreover, especially becomes longer and the uneven circumstances of dismantlement power along with the live time, and the probability and the severity that its edge portion appears the flower mouth will increase, influences its actual life.
Disclosure of Invention
Aiming at the technical problems of the pressure relief blowout preventer, the utility model provides the pressure relief blowout preventer of the oil pipeline, which has the advantages of reasonable design, simple structure, higher connection reliability, better sealing performance and longer service life.
In order to achieve the above purpose, the technical scheme includes that the oil pipeline decompression blowout preventer provided by the utility model comprises an oil pipeline, a coupling is arranged on the oil pipeline, a plug butted with the oil pipeline is arranged on the inner side of the coupling, a disassembling sleeve in rotary fit with the plug is arranged on the top of the plug, a connecting cylinder is arranged outside the disassembling sleeve and the coupling, a decompression pipe orifice is arranged on the connecting cylinder, a pair of fixed hinges are arranged on the oil pipeline, a pair of inserting plates are arranged on the outer side of the coupling, a sliding groove is arranged on the inserting plate, the bottom end of the sliding groove is a blocking end, a sliding piece in movable fit with the sliding piece is arranged on the inserting plate, the sliding piece is connected with the fixed hinges through a combined pin, a tensioning sleeve is arranged between the inner side of the coupling and the oil pipeline, and a plurality of reinforcing bulges which are uniformly distributed are arranged on the outer side of the connecting cylinder.
Preferably, the combined pin comprises an inner pin and an outer pin, the inner pin comprises an inner pin tube and a first pin head, the outer pin comprises an outer pin tube nested with the inner pin tube, the end part of the outer pin tube is provided with a second pin head, and the second pin head and the first pin head are both provided with inner hexagonal grooves.
Preferably, the sliding piece comprises a T-shaped sliding block matched with the sliding groove, and a hinge head matched with the fixed hinge support is arranged on the side face of the T-shaped sliding block.
Preferably, the tensioning sleeve comprises a cylindrical portion, a conical portion is arranged at the top end of the cylindrical portion, and a plurality of tensioning ports are arranged on the side face of the conical portion.
Preferably, a thread groove is formed in the bottom of the plug, and a pressure rod extending towards the center of the oil pipeline is arranged in the thread groove.
Compared with the prior art, the utility model has the advantages and positive effects that:
1. according to the pressure relief blowout preventer for the oil pipeline, the plugboard is connected to the oil pipeline from top to bottom along with the coupling, the sliding piece and the fixed hinge support can be connected through the combined pin, so that the connection reliability of the coupling and the oil pipeline is improved, and the connection tightness between the coupling and the oil pipeline can be improved through the tensioning sleeve; the connecting cylinder adopts the reinforcing bulge to carry out structural reinforcement, is favorable to avoiding the connecting cylinder to prematurely appear the condition of lace and modification to the actual service life of this device is prolonged. The device has reasonable design, simple structure, higher connection reliability, better sealing performance and longer service life, and is suitable for large-scale popularization.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view in the direction D-D of an oil pipeline pressure relief blowout preventer provided by an embodiment;
FIG. 2 is an isometric view of a pressure relief blowout preventer for oil pipelines according to one embodiment;
FIG. 3 is a side view of an embodiment of a pressure relief blowout preventer for an oil pipeline;
FIG. 4 is an exploded view of the slider, stationary hinge and combination pin provided in the embodiment;
FIG. 5 is an enlarged schematic view of the structure A of FIG. 2;
FIG. 6 is an isometric view of a tension sleeve provided by an embodiment;
in the above figures, 1, an oil pipeline; 2. coupling; 3. plugging; 4. disassembling the sleeve; 5. a connecting cylinder; 51. a pressure relief pipe orifice; 52. reinforcing the protrusion; 6. a fixed hinge support; 7. inserting plate; 71. a chute; 8. a slider; 81. a T-shaped slider; 82. a hinged head; 9. a combination pin; 91. an inner pin; 911. an inner pin tube; 912. a first pin head; 92. an outer pin; 921. an outer pin tube; 922. a second pin head; 10. tensioning sleeve; 101. a cylindrical portion; 102. a tapered portion; 103. a tensioning port; 11. a pressure rod.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other. For convenience of description, the words "upper", "lower", "left" and "right" are merely used herein to denote a correspondence with the upper, lower, left, and right directions of the drawing figures, and are not limiting on the structure.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
1-6, the oil pipeline pressure relief blowout preventer provided by the utility model comprises an oil pipeline 1, wherein the oil pipeline 1 is of a T-shaped structure, a coupling 2 is arranged on the oil pipeline 1, a plug 3 in butt joint with the oil pipeline 1 is arranged on the inner side of the coupling 2, a disassembling sleeve 4 in rotary fit with the plug 3 is arranged on the top of the plug 3, the matching surface of the plug 3 and the disassembling sleeve 4 adopts a hexagonal structure, and the plug 3 can be driven to be screwed on or screwed off from the inner wall of the coupling 2 by rotating the disassembling sleeve 4; the outside of dismantling cover 4 and coupling 2 is provided with connecting cylinder 5, is provided with pressure release mouth of pipe 51 on the connecting cylinder 5, is provided with a pair of fixed hinge 6 on the oil pipeline 1, and the outside of coupling 2 is provided with a pair of picture peg 7, is provided with spout 71 on the picture peg 7, and the bottom of spout 71 is stifled end, is provided with rather than clearance fit's slider 8 on the picture peg 7, and slider 8 passes through combination round pin 9 with fixed hinge 6 to be connected, is provided with tensioning cover 10 between the inboard of coupling 2 and the oil pipeline 1, and the outside of connecting cylinder 5 is provided with a plurality of evenly distributed's reinforcing protrusion 52.
Specifically, the plugboard 7 is integrally connected with the coupling 2 and is connected to the oil pipeline 1 from top to bottom along with the coupling 2, the sliding part 8 slides down from the chute 71 of the plugboard 7, the connecting hole of the sliding part is in butt joint with the hinge hole of the fixed hinge support 6, the sliding part 8 and the fixed hinge support 6 quickly establish a connection relationship through the combined pin 9, the freedom degree of the coupling 2 is limited, and the connection reliability of the coupling 2 and the oil pipeline 1 is improved. The tensioning sleeve 10 can fill the fit clearance between the coupling 2 and the oil pipeline 1, and can be automatically adjusted according to the conditions of thermal expansion and cold contraction, so that the connection tightness and connection reliability between the coupling 2 and the oil pipeline 1 are guaranteed. The connecting cylinder 5 adopts the reinforcing bulge 52 to carry out structural reinforcement, improves the radial pressure resistance capacity of the connecting cylinder, can effectively resist the expansion pressure from the coupling 2 and the disassembly pressure of the disassembly sleeve 4, and avoids the condition that the connecting cylinder 5 is laced and deformed in advance, thereby prolonging the actual service life of the device.
In order to improve the practicability of the combined pin 9, the combined pin 9 provided by the utility model comprises an inner pin 91 and an outer pin 92, wherein the inner pin 91 comprises an inner pin tube 911 and a first pin head 912, the outer pin 92 comprises an outer pin tube nested with the inner pin tube 911, the end part of the outer pin tube is provided with a second pin head 922, and the second pin head 922 and the first pin head 912 are respectively provided with an inner hexagonal groove. The inner pin tube 911 is directly tightly connected with the outer pin tube, the pipe diameter of the outer pin tube is matched with the connecting holes of the fixed hinge support 6 and the sliding piece 8, and the first pin head 912 and the second pin head 922 are also pressed on the end surface of the fixed hinge support 6, so that excessive connection is avoided, and the fixed hinge support 6 and the sliding piece 8 can be quickly connected in a hinged connection. The combination pin 9 is assembled and disassembled by a hexagonal tool.
The sliding part 8 provided by the utility model is matched with the coupling 2 in a sliding mode, and the detachable design of the sliding part 8 can prevent the sliding part 8 from being stumbled on the outer side of the fixed hinge support 6 along with the rotary installation action of the coupling 2. Specifically, the slider 8 comprises a T-shaped slider cooperating with the chute 71, the lateral surface of which is provided with a hinge head cooperating with the fixed hinge 6, the hinge head being provided with a horizontal connecting hole.
In order to improve the self-adapting capability of the tensioning sleeve 10, the tensioning sleeve 10 provided by the utility model comprises a cylindrical part 101, wherein the top end of the cylindrical part 101 is provided with a conical part 102, and the side surface of the conical part 102 is provided with a plurality of tensioning ports 103. The tensioning sleeve 10 adopts a thin-wall structure and a collet-like design, the cylindrical part 101 of the tensioning sleeve is directly sleeved with the conveying line, the tensioning opening 103 provides a deformable range for the clamping opening of the tensioning sleeve, so that the clamping caliber is automatically adjusted between the coupling 2 and the conveying line according to pressure, and the tightness of the assembly position of the tensioning sleeve is effectively ensured.
In order to improve the pressure release control effect of the device, the bottom of the plug 3 is provided with a thread groove, and a pressure rod 11 extending towards the center of the oil pipeline 1 is arranged in the thread groove. The pressure rod 11 can reduce the actual oil outlet caliber of the conveying pipeline, is favorable for reducing the oil outlet pressure of oil in the pressure release process, and reduces the pressure required by locking the plug 3 and detaching the sleeve 4, so that the control effect of manual/mechanical pressure release can be improved.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (5)
1. The utility model provides an oil pipeline pressure release blowout preventer, includes oil pipeline, be provided with the coupling on the oil pipeline, the inboard of coupling is provided with the plug that interfaces with oil pipeline, the top of plug is provided with rather than rotatory complex dismantles the cover, the outside of dismantling cover and coupling is provided with the connecting cylinder, be provided with the pressure release mouth of pipe on the connecting cylinder, a serial communication port, be provided with a pair of fixed hinge on the oil pipeline, the outside of coupling is provided with a pair of picture peg, be provided with the spout on the picture peg, the bottom of spout is the stifled end, be provided with on the picture peg rather than movable fit's slider, the slider passes through the combination pin connection with fixed hinge, be provided with the tensioning cover between the inboard of coupling and the oil pipeline, the outside of connecting cylinder is provided with a plurality of evenly distributed's reinforcing arch.
2. An oil pipeline pressure relief blowout preventer according to claim 1, wherein the composite pin comprises an inner pin and an outer pin, the inner pin comprises an inner pin tube and a first pin head, the outer pin comprises an outer pin tube nested with the inner pin tube, the end of the outer pin tube is provided with a second pin head, and the second pin head and the first pin head are each provided with an inner hexagonal groove.
3. An oil pipeline pressure relief blowout preventer according to claim 2, wherein the slider comprises a T-shaped slider that mates with the chute, the sides of the T-shaped slider being provided with a hinge that mates with the fixed hinge.
4. A pressure relief blowout preventer for oil delivery pipelines according to claim 3 wherein the tensioning sleeve comprises a cylindrical portion, the top end of the cylindrical portion being provided with a tapered portion, the sides of the tapered portion being provided with a plurality of tensioning ports.
5. The oil pipeline pressure relief blowout preventer according to claim 1, wherein the bottom of the plug is provided with a thread groove in which a pressure rod extending toward the center of the oil pipeline is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321038921.8U CN219655569U (en) | 2023-05-05 | 2023-05-05 | Pressure relief blowout preventer for oil pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321038921.8U CN219655569U (en) | 2023-05-05 | 2023-05-05 | Pressure relief blowout preventer for oil pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219655569U true CN219655569U (en) | 2023-09-08 |
Family
ID=87879799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321038921.8U Active CN219655569U (en) | 2023-05-05 | 2023-05-05 | Pressure relief blowout preventer for oil pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219655569U (en) |
-
2023
- 2023-05-05 CN CN202321038921.8U patent/CN219655569U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Oil pipeline pressure relief and blowout prevention device Effective date of registration: 20230925 Granted publication date: 20230908 Pledgee: Postal Savings Bank of China Limited Jinan Branch Pledgor: Shandong Bixiao environmental protection and energy saving Technology Co.,Ltd. Registration number: Y2023980058389 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20230908 Pledgee: Postal Savings Bank of China Limited Jinan Branch Pledgor: Shandong Bixiao environmental protection and energy saving Technology Co.,Ltd. Registration number: Y2023980058389 |