CN223662945U

CN223662945U - Oil gas warehousing and transportation pipeline plugging device

Info

Publication number: CN223662945U
Application number: CN202520271762.9U
Authority: CN
Inventors: 朱远程
Original assignee: Individual
Current assignee: Individual
Priority date: 2025-02-20
Filing date: 2025-02-20
Publication date: 2025-12-12
Anticipated expiration: 2035-02-20

Abstract

The utility model provides an oil and gas storage and transportation pipeline plugging device, which relates to the technical field of oil and gas storage and transportation pipeline plugging, and comprises a cover plate arranged at a port of a storage and transportation pipeline and a sealing ring arranged in the storage and transportation pipeline, wherein one side of the sealing ring, which is far away from the cover plate, is provided with an internal thread pipe which is coaxially arranged with the storage and transportation pipeline, and a deformable plugging plate is arranged at a sealed end of the internal thread pipe.

Description

Oil gas warehousing and transportation pipeline plugging device

Technical Field

The utility model relates to the technical field of plugging of oil and gas storage and transportation pipelines, in particular to an oil and gas storage and transportation pipeline plugging device.

Background

In the long-term operation process of the oil gas pipeline, leakage can occur due to corrosion, aging, external damage and the like. The plugging technology can repair the leakage point rapidly under the condition of continuous transportation, prevent oil gas leakage and avoid environmental pollution and resource waste.

Therefore, the oil gas storage and transportation pipeline plugging device in the prior art has the publication number of CN220286787U, when the pipeline plugging device needs to work, the rotating rod is fixed with the bidirectional threaded rod, then the cover plate is fixed on the pipeline body, the handle is rotated to drive the bidirectional threaded rod to rotate, so that the two connecting plates are driven to move left and right in a linear manner, the two connecting plates move towards the adjacent direction, the rubber ring is extruded, the diameter of the rubber ring is increased through extrusion, the handle is loosened, under the elastic action of the first spring, the connecting plates move leftwards, the rubber ring moves leftwards together, and meanwhile the rubber ring is tightly attached to the limiting groove, so that sealing work is realized inside the pipeline body.

But when the rubber ring becomes larger through the extrusion diameter, the rubber ring can be in contact extrusion with the inner wall of the pipeline, so that the friction force between the rubber ring and the inner wall of the pipeline is increased, and the rubber ring can not move under the pushing action of the first spring easily due to the resistance of the friction force between the rubber ring and the pipeline when the rubber ring is pushed to move leftwards under the elastic action of the first spring.

Disclosure of utility model

The utility model aims to solve the problems in the prior art and provides an oil gas storage and transportation pipeline plugging device.

In order to achieve the purpose, the oil gas storage and transportation pipeline plugging device comprises a cover plate and a sealing ring, wherein the cover plate is arranged at a port of the storage and transportation pipeline, the sealing ring is arranged in the storage and transportation pipeline, one side, far away from the cover plate, of the sealing ring is provided with an internal thread pipe which is coaxially arranged with the storage and transportation pipeline, one end, far away from the cover plate, of the internal thread pipe is fixedly provided with a plugging plate for being attached to the end face of the sealing ring, the plugging plate comprises a movable plate fixed with one end of the internal thread pipe, two first sealing plates respectively hinged to the left side and the right side of the movable plate, and second sealing plates respectively hinged to the upper side and the lower side of the movable plate, the two first sealing plates and the two second sealing plates are symmetrically distributed, one side, far away from the movable plate, of the first sealing plate and the second sealing plate is arranged on an arc side concentric with the sealing ring, and two ends of the surface of the internal thread pipe are respectively sleeved with a first circular ring for driving the two first sealing plates to swing, and a second circular ring for driving the two second sealing plates to swing.

Preferably, the first sealing plate and the second sealing plate swing towards two sides of the moving plate respectively.

Preferably, the left side and the right side of the outer side of the first ring are respectively fixed with a first connecting arm, the endpoints of the two first connecting arms are respectively inserted into the back surfaces of the two first sealing plates, the lower edges of the outer side of the second ring are respectively fixed with a second connecting arm, and the endpoints of the two second connecting arms are respectively inserted into the front surfaces of the two second sealing plates.

Preferably, the back of the first sealing plate and the front of the second sealing plate are fixedly provided with sliding rails, a plurality of sliding rails are positioned on the same side of the sealing ring, and the endpoints of the first connecting arm and the second connecting arm are in sliding connection with the sliding rails at corresponding positions.

Preferably, the end face of the cover plate is connected with three rotating handles in a penetrating and rotating manner, one of the three rotating handles is positioned at the center of the cover plate and is coaxially arranged with the storage and transportation pipe, and the other two rotating handles are arranged close to the central shaft of the cover plate.

Preferably, one end of the rotating handle positioned in the center of the cover plate is fixedly provided with a movable screw rod which is in threaded connection with the internal threaded pipe.

Preferably, two of the ends of the rotating handles, which are close to the center of the cover plate, are fixedly provided with rectangular rods, the surfaces of the rectangular rods are respectively sleeved with pushing screws which are rotationally connected with the moving plate, and the pushing screws are arranged in parallel and respectively penetrate through the end faces of the first circular ring and the second circular ring in a threaded manner.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. According to the utility model, the inner threaded pipe is arranged, the deformable plugging plate is arranged at the plugging end of the inner threaded pipe, the deformed plugging plate can smoothly pass through the sealing ring and enter the sealing ring to be far away from one side of the cover plate, then the folded plugging plate is unfolded and paved, and the sealing ring end face is attached along with the reverse movement of the inner threaded pipe, so that the plugging of the storage and transportation pipe can be realized, the unfolded and paved plugging plate does not contact with the inner wall of the storage and transportation pipe when moving towards the sealing ring, the movement of the plugging plate is not influenced, crude oil in the storage and transportation pipe presses the plugging plate, the edge of the plugging plate is tightly attached to the sealing ring end face by generating pressure on one side of the plugging plate, namely, the sealing ring is utilized to reversely support the plugging plate, and the sealing effect is convenient to be ensured.

2. According to the utility model, the first sealing plate and the second sealing plate swing towards the two sides of the moving plate respectively, the opposite direction hinge joint can ensure that the first sealing plate and the second sealing plate smoothly rotate and swing, and the plane range occupied by the plugging plate can be reduced through the rotation and swing of the first sealing plate and the second sealing plate, so that the plugging plate can be ensured to smoothly pass through the sealing ring.

Drawings

Fig. 1 is a schematic diagram of a three-dimensional structure of an oil and gas storage and transportation pipeline plugging device;

FIG. 2 is a schematic cross-sectional view of the plugging device of FIG. 1 for oil and gas storage and transportation pipelines;

FIG. 3 is a schematic side view of the plugging device of the oil and gas storage and transportation pipeline shown in FIG. 2;

Fig. 4 is a schematic diagram of the rear cross-section structure of fig. 3 of the plugging device for the oil and gas storage and transportation pipeline.

The illustration is that 1, a rectangular rod, 2, a cover plate, 3, a sealing ring, 4, a movable plate, 5, a first sealing plate, 6, a second sealing plate, 7, a movable screw rod, 8, a second circular ring, 9, a second connecting arm, 10, a sliding rail, 11, a first connecting arm, 12, an internal threaded pipe, 13, a pushing screw rod, 14, a first circular ring and 15, and a rotating handle.

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.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but 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.

As shown in fig. 1-4, an oil gas storage and transportation pipeline plugging device comprises a cover plate 2 and a sealing ring 3, wherein the cover plate 2 is arranged at a port of a storage and transportation pipeline, the sealing ring 3 is arranged in the storage and transportation pipeline, one side of the sealing ring 3, which is far away from the cover plate 2, is provided with an internal thread pipe 12 which is coaxially arranged with the storage and transportation pipeline, one end of the internal thread pipe 12, which is far away from the cover plate 2, is fixedly provided with a plugging plate for jointing the end face of the sealing ring 3, the plugging plate is arranged at one side of the sealing ring 3, which is far away from the cover plate 2, crude oil in the storage and transportation pipeline can be pressed against the plugging plate, namely, the sealing ring 3 is utilized to reversely support the plugging plate, the plugging plate comprises a moving plate 4 which is fixed with one end of the internal thread pipe 12, two first sealing plates 5 which are respectively hinged at the left side and the right side of the moving plate 4, and two second sealing plates 6 which are respectively hinged at the upper side and the lower side of the moving plate 4, the two first sealing plates 5 and the two second sealing plates 6 are symmetrically distributed, one side of the first sealing plates 5 and the second sealing plates 6, which is far away from the moving plate 4, and one side of the sealing plate 5, which is arranged at the side of the sealing plate 3, which is far away from the moving plate and the sealing plate 3, is the sealing plate and the sealing plate with the same circle center of the sealing plate 3, can be guaranteed, the first sealing plate and the second sealing plates 6 and the sealing plates can be smoothly swing in the opposite directions of the first sealing plates and the sealing plates 6 and the sealing plates are respectively;

the two ends of the surface of the internal thread pipe 12 are respectively sleeved with a first circular ring 14 for driving the two first sealing plates 5 to swing and a second circular ring 8 for driving the two second sealing plates 6 to swing.

In order to ensure that the first sealing plate 5 and the second sealing plate 6 swing smoothly and ensure that the moving plate 4 passes through the sealing ring 3, the left side and the right side of the outer side edge of the first circular ring 14 are respectively fixed with a first connecting arm 11, the end points of the two first connecting arms 11 are respectively inserted into the back surfaces of the two first sealing plates 5, in combination with fig. 4, when the first circular ring 14 slides towards the sealing ring 3, the first connecting arms 11 push the first sealing plates 5 to rotate backwards and open, the lower side edge of the outer side edge of the second circular ring 8 is respectively fixed with a second connecting arm 9, the end points of the two second connecting arms 9 are respectively inserted into the front surfaces of the two second sealing plates 6, when the second circular ring 8 moves towards the direction far away from the sealing ring 3, the second connecting arms 9 pull the second sealing plates 6 to rotate forwards and open, the back surfaces of the first sealing plates 5 and the front surfaces of the second sealing plates 6 are respectively fixedly provided with sliding rails 10, the end points of the first connecting arms 11 and the second connecting arms 9 are positioned at the same side positions of the sealing ring 3, the sliding rails 10 are in sliding connection with the corresponding positions, one end points of the first connecting arms 11 or one end of the second connecting arms 9 are connected by the aid of the sliding rails 10, and the corresponding sliding rails 10 are connected with one end of the first connecting arms 11 or the second connecting arms 9 through the sliding rails 11 or the corresponding to the sliding rails 9.

In order to ensure smooth movement of the internal thread pipe 12, the first circular ring 14 and the second circular ring 8, the end face of the cover plate 2 is connected with three rotating handles 15 in a penetrating and rotating manner, one of the three rotating handles 15 is positioned at the center of the cover plate 2 and is coaxially arranged with the storage and transportation pipe, the other two rotating handles 15 are close to the central shaft of the cover plate 2, one end of the rotating handle 15 positioned at the center of the cover plate 2 is fixedly provided with a movable screw rod 7 in threaded connection with the internal thread pipe 12, when the internal thread pipe is used, the movable screw rod 7 is rotated through the rotating central position rotating handle 15, the internal thread pipe 12 can move relative to the sealing ring 3 along with the rotation of the movable screw rod 7, so that the spread sealing plate is conveniently guaranteed to be attached to the end face of the sealing ring 3, or the spread sealing plate is far away from the end face of the sealing ring 3, and smooth forward rotation of the second sealing plate 6 is guaranteed. The rectangular rods 1 are fixedly arranged at one ends of the two rotating handles 15 near the center of the cover plate 2, the surfaces of the two rectangular rods 1 are sleeved with pushing screws 13 which are rotationally connected with the movable plate 4, the two pushing screws 13 are arranged in parallel and are respectively connected with the end faces of the first circular ring 14 and the second circular ring 8 in a threaded manner, the arranged internally threaded pipes 12 ensure that the first circular ring 14 and the second circular ring 8 cannot rotate along with the rotation of the pushing screws 13, so that the first circular ring 14 and the second circular ring 8 can smoothly slide along with the rotation of the corresponding connected pushing screws 13 on the surface of the internally threaded pipes 12, the fact that the internally threaded pipes 12 cannot rotate is achieved by the insertion connection of the rectangular rods 1 and the pushing screws 13 is achieved, specifically, the pushing screws 13 are rotationally connected with the surface of the movable plate 4, and the rectangular rods 1 are connected with the cover plate 2 through the corresponding rotating handles 15, and therefore the two pushing screws 13 can ensure that the movable plate 4 cannot rotate, namely the internally threaded pipes 12 fixedly connected with the movable plate 4 cannot rotate. On the contrary, when the rectangular rod 1 and the pushing screw 13 are inserted and connected, the moving plate 4 can be guaranteed to move along with the movement of the internal threaded pipe 12, the pushing screw 13 is driven to slide relative to the rectangular rod 1, the rectangular rod 1 and the pushing screw 13 in an inserted and connected state cannot influence the rotation of the corresponding connected rectangular rod 1 through the rotation of the rotating handle 15, and then the rotation of the pushing screw 13 is realized.

When the sealing device is used, the cover plate 2 is arranged at the end part of the storage and transportation pipe, the sealing plate is in a folded state, the sealing plate enters the storage and transportation pipe along with the installation of the cover plate 2, the rotating handle 15 of the rotating center realizes the rotation of the moving screw 7, the threaded connection of the moving screw 7 and the internally threaded pipe 12 is utilized to realize that the internally threaded pipe 12 drives the sealing plate to move to one side of the sealing ring 3 far away from the cover plate 2, then the two rotating handles 15 close to the central position are sequentially rotated, the rectangular rod 1 drives the pushing screw 13 to rotate, the first circular ring 14 and the second circular ring 8 are sequentially realized by the rotation of the two pushing screws 13, the first circular ring 14 and the second circular ring 8 are mutually separated, the first sealing plate 5 and the second sealing plate 6 are rotationally unfolded and paved, and then the moving screw 7 is reversely rotated to realize that the moving plate 4 drives the paved sealing plate to move to the end of the sealing ring 3 which is far away from the cover plate 2.

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

1. The utility model provides an oil gas warehousing and transportation pipeline plugging device, includes apron (2) that are used for installing at warehousing and transportation pipe port and is used for installing sealing ring (3) in warehousing and transportation intraductal portion, wherein one side that apron (2) was kept away from to sealing ring (3) is provided with internal thread pipe (12) coaxial with warehousing and transportation pipe, the one end fixed mounting that apron (2) was kept away from to internal thread pipe (12) has the shutoff board that is used for laminating sealing ring (3) terminal surface, and the shutoff board includes movable plate (4) fixed with internal thread pipe (12) one end, articulates respectively two first closing plate (5) on movable plate (4) left and right sides and articulates respectively at second closing plate (6) on movable plate (4) upper and lower both sides, and two first closing plate (5) and two second closing plate (6) equal symmetric distribution just first closing plate (5) and second closing plate (6) keep away from one side of movable plate (4) and set up for the arc limit with sealing ring (3) concentric center, first closing plate (6) are used for driving two first closing plate (8) and second closing plate (8) of driving circle center circle of two first closing plate (12) surface both ends cover respectively.

2. The oil and gas storage and transportation pipeline plugging device according to claim 1, wherein the first sealing plate (5) and the second sealing plate (6) swing towards the two sides of the moving plate (4) respectively.

3. The oil gas storage and transportation pipeline plugging device according to claim 1, wherein first connecting arms (11) are fixed on the left side and the right side of the outer side of the first circular ring (14), endpoints of the two first connecting arms (11) are respectively inserted into the back surfaces of the two first sealing plates (5), second connecting arms (9) are fixed on the upper side and the lower side of the outer side of the second circular ring (8), and endpoints of the two second connecting arms (9) are respectively inserted into the front surfaces of the two second sealing plates (6).

4. The oil gas storage and transportation pipeline plugging device according to claim 3, wherein the back of the first sealing plate (5) and the front of the second sealing plate (6) are fixedly provided with sliding rails (10), a plurality of the sliding rails (10) are positioned on the same side of the sealing ring (3), and the endpoints of the first connecting arm (11) and the second connecting arm (9) are in sliding connection with the sliding rails (10) at corresponding positions.

5. The oil and gas storage and transportation pipeline plugging device according to claim 1, wherein the end face of the cover plate (2) is connected with three rotating handles (15) in a penetrating and rotating mode, one rotating handle (15) is located at the center of the cover plate (2) and is coaxial with a storage and transportation pipe, and the other two rotating handles (15) are arranged close to the central shaft of the cover plate (2).

6. The oil and gas storage and transportation pipeline plugging device according to claim 5, wherein one end of the rotating handle (15) positioned at the center of the cover plate (2) is fixedly provided with a movable screw rod (7) in threaded connection with the internal threaded pipe (12).

7. The oil gas storage and transportation pipeline plugging device according to claim 5, wherein rectangular rods (1) are fixedly arranged at one ends of two rotating handles (15) close to the center of the cover plate (2), pushing screw rods (13) which are rotationally connected with the movable plate (4) are sleeved on the surfaces of the two rectangular rods (1), and the two pushing screw rods (13) are arranged in parallel and respectively penetrate through end faces of the first circular ring (14) and the second circular ring (8) in a threaded manner.