Novel plugging device for oil field

Abstract

The utility model relates to the technical field of oil and gas pipeline leaking stoppage, and discloses a novel oil field leaking stoppage device which comprises two sets of fixing frames, the two sets of fixing frames are connected through bolts, oil field pipelines are arranged on the inner sides of the fixing frames, and plugging assemblies and limiting assemblies are arranged in the fixing frames and on the surfaces of the fixing frames. The plugging assembly comprises a cavity, the cavity is formed in the fixing frame, and a first sliding groove is formed in the inner wall of the cavity. The novel plugging device for the oil field is provided with the plugging assembly, a rotary knob is rotated, then a threaded rod is driven to rotate, two sets of sliding plates are made to move close to an oil field pipeline in the radial direction through a connecting rod, and therefore a fixing column is driven to move synchronously; and at the moment, the pressing plate drives the rubber sealing gaskets to abut against the surface of the oil field pipeline, the rubber sealing gaskets conduct leaking stoppage on the leaking points, the multiple sets of rubber sealing gaskets can conduct leaking stoppage on the multiple leaking points, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oil and gas pipeline leakage plugging, in particular to a novel leakage plugging device for oil fields. Background Art

[0002] The long-distance transportation of oilfield energy relies on a large number of pipelines. With the gradual construction of my country's oil and gas network, the safe and rapid repair of pipelines, especially high-pressure pipelines, in the event of an accident has become a new issue that needs to be solved urgently. After the accident of the gas pipeline is discovered, it is difficult to carry out repair operations in a timely manner due to the influence of roads along the way, personnel gathering, equipment preparation, and plan determination.

[0003] According to a publicly disclosed low-pressure pipeline plugging device for oil fields (Announcement No.: CN213065104U), in the above application, a pressure plate is set at the lower end of the threaded rod, and the threaded rod rotates in the support sleeve to press the pressure plate against the upper end of the breach to plug the leak. The pressure rod is slidably sleeved in the threaded rod, and the pressure rod moves downward to allow the support rod to enter the pipeline. A rubber pad is bonded to the upper end of the support rod, and the rubber pad is pressed against the inner wall of the pipeline by the pipeline oil pressure to plug the breach, which has stronger sealing and is more stable.

[0004] However, in the above application, only one place can be plugged during use. When multiple places in the pipeline need to be plugged, multiple sets of equipment need to be used, which takes more time for the plugging work and is not conducive to improving efficiency. Summary of the invention

[0005] The purpose of the utility model is to provide a novel plugging device for oil fields to solve the problems raised in the above background technology.

[0006] To achieve the above purpose, the utility model provides the following technical solutions: a novel plugging device for oil fields, comprising a fixing frame, wherein the fixing frame is provided with two groups, and the two groups of fixing frames are connected by bolts, an oil field pipeline is provided inside the fixing frame, and a plugging component and a limit component are provided inside and on the surface of the fixing frame, and the plugging component comprises:

[0007] A cavity, the cavity is opened with the interior of the fixed frame, the inner wall of the cavity is opened with a slide groove, the inner side of the slide groove is slidably connected with a slide plate, the slide plates are provided with two groups, the sides of the slide plates close to each other are opened with a groove, the inner side of the groove is provided with a connecting rod, the end of the connecting rod close to the groove is fixed with a spring, the blocking assembly also includes a linkage, when the slide plate moves inward, it drives another group of slide plates to move inward synchronously through the connecting rod and the slide groove.

[0008] Preferably, the linkage comprises a fixing post, which is fixed to a side of the slide plate close to the oilfield pipeline, an end of the fixing post away from the slide plate passes through a fixing frame, and the fixing post is slidably connected to the fixing frame, a pressure plate is fixed to an end of the fixing post away from the slide plate, the pressure plate passes through the fixing frame, a rubber sealing pad is fixed to a side of the pressure plate away from the fixing post, a threaded rod is rotatably connected to a side of the slide plate away from the fixing post, an end of the threaded rod away from the slide plate passes through the fixing frame, and the threaded rod is threadedly connected to the fixing frame, a knob is fixed to an end of the threaded rod away from the fixing frame, the two groups of slide plates move radially close to the oilfield pipeline, driving the fixing posts to move synchronously, at which time the pressure plate drives the rubber sealing pad to contact the surface of the oilfield pipeline, and the rotation of the knob can cause the threaded rod to rotate, thereby causing the slide plate to move inward or outward.

[0009] Preferably, the limit assembly includes a second groove, the second groove is opened at a side of the knob close to the fixing frame, a fixing rod is fixed on the surface of the fixing frame, the fixing rod penetrates a connecting plate, the connecting plate is slidably connected to the fixing rod, a sliding groove is opened on a side of the connecting plate close to the knob, the inner wall of the sliding groove is slidably connected to the limit rod, an end of the limit rod away from the knob is fixed with a spring three, an end of the spring three away from the limit rod is fixed on the inner wall of the sliding groove two, a spring second is fixed on the side of the connecting plate close to the fixing frame, an end of the spring second away from the connecting plate is fixed to the surface of the fixing frame, a through hole is opened on the surface of the connecting plate, and the through hole is penetrated by the threaded rod. When the leak is plugged, the connecting plate is released, and under the action of the spring two, the connecting plate drives the limit rod to move outwards, thereby causing the limit rod to enter the second groove.

[0010] Preferably, the fixing frame is configured in a semicircular shape so as to be adaptable to oil field pipelines.

[0011] Preferably, a ball bearing is provided on a side of the fixing frame close to the oil field pipeline to facilitate the movement of the fixing frame.

[0012] Preferably, the pressing plate and the rubber sealing pad are both arranged in an arc shape, so as to facilitate fitting to the surface of the oil field pipeline.

[0013] Preferably, the fixing columns, the pressure plates and the rubber sealing pads are each provided in two groups, and leaks at multiple points requiring leak plugging can be plugged by means of the two groups of fixing frames.

[0014] Compared with the prior art, the utility model provides a novel plugging device for oil fields, which has the following beneficial effects:

[0015] 1. The novel plugging device for oil fields is provided with a plugging assembly. By turning the knob, the threaded rod is driven to rotate, so that the two sets of slide plates are moved radially close to the oil field pipeline through the connecting rod, thereby driving the fixed column to move synchronously. At this time, the pressure plate drives the rubber sealing pad to contact the surface of the oil field pipeline, so that the rubber sealing pad plugs the leakage point. By setting up multiple sets of rubber sealing pads, more leakage points can be plugged, thereby increasing work efficiency.

[0016] 2. The new oilfield plugging device is provided with a limit assembly. When plugging is completed, the connecting plate is loosened. At this time, under the action of spring 2, the connecting plate drives the limit rod to move outward, so that the limit rod enters groove 2 and limits the knob to prevent the threaded rod from loosening, resulting in plugging failure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 A is a schematic diagram of the enlarged structure;

[0019] Figure 3 This is a schematic diagram of the internal structure of the utility model;

[0020] Figure 4 For this utility model Figure 3 Middle B is a schematic diagram of the enlarged structure;

[0021] Figure 5 It is a partial cross-sectional structural schematic diagram of the utility model;

[0022] Figure 6 For this utility model Figure 5 Middle C is a schematic diagram of the enlarged structure.

[0023] In the figure: 1. fixing frame; 2. ball bearing; 3. oil field pipeline; 4. plugging assembly; 40. cavity; 41. slide groove 1; 42. slide plate; 43. groove 1; 44. connecting rod; 45. spring 1; 46. linkage; 460. fixing column; 461. pressure plate; 462. rubber sealing pad; 463. threaded rod; 464. knob; 5. limit assembly; 50. groove 2; 51. spring 2; 52. connecting plate; 53. through hole; 54. slide groove 2; 55. spring 3; 56. limit rod; 57. fixing rod. DETAILED DESCRIPTION

[0024] like Figure 1-Figure 6As shown, the utility model provides a technical solution: a novel plugging device for oil fields, including a fixing frame 1, the fixing frame 1 is provided with two groups, and the two groups of fixing frames 1 are connected by bolts, an oil field pipeline 3 is provided on the inner side of the fixing frame 1, and a plugging component 4 and a limit component 5 are provided inside and on the surface of the fixing frame 1. The plugging component 4 includes: a cavity 40, a slide groove 41, a slide plate 42, a groove 43, a connecting rod 44, a spring 45, a linkage 46, a fixing column 460, a pressure plate 461, a rubber sealing pad 462, a threaded rod 463, and a knob 464.

[0025] The cavity 40 is opened inside the fixing frame 1, and the inner wall of the cavity 40 is opened with a slide groove 41, and the inner side of the slide groove 41 is slidably connected with a slide plate 42, and two groups of slide plates 42 are provided, and the sides of the slide plates 42 close to each other are opened with a groove 43, and the inner side of the groove 43 is provided with a connecting rod 44, and the end of the connecting rod 44 close to the groove 43 is fixed with a spring 45, and the plugging assembly 4 also includes a linkage 46, and the linkage 46 includes a fixed column 460, and the fixed column 460 is fixed to the side of the slide plate 42 close to the oil field pipeline 3, and the end of the fixed column 460 away from the slide plate 42 passes through the fixing frame 1, and the fixed column 460 is slidably connected with the fixing frame 1, and the end of the fixed column 460 away from the slide plate 42 is fixed with a pressure plate 461, and the pressure plate 461 passes through the fixing frame 1, and the side of the pressure plate 461 away from the fixed column 460 is fixed with a rubber seal Pad 462, the side of the slide plate 42 away from the fixed column 460 is rotatably connected with a threaded rod 463, the end of the threaded rod 463 away from the slide plate 42 passes through the fixed frame 1, and the threaded rod 463 is threadedly connected to the fixed frame 1, and the end of the threaded rod 463 away from the fixed frame 1 is fixed with a knob 464, the fixed column 460, the pressure plate 461 and the rubber sealing pad 462 are each provided with two groups, the knob 464 is turned, thereby driving the threaded rod 463 to rotate, so that the two groups of slide plates 42 are allowed to move radially close to the oilfield pipeline 3 through the connecting rod 44, thereby driving the fixed column 460 to move synchronously, at this time, the pressure plate 461 drives the rubber sealing pad 462 to resist the surface of the oilfield pipeline 3, so that the rubber sealing pad 462 plugs the leakage point, and the multiple groups of rubber sealing pads 462 can plug more leakage points, thereby increasing work efficiency.

[0026] The limiting assembly 5 includes a groove 2 50, which is provided on a side of the knob 464 close to the fixing frame 1. A fixing rod 57 is fixed on the surface of the fixing frame 1. The fixing rod 57 is penetrated by a connecting plate 52. The connecting plate 52 is slidably connected to the fixing rod 57. A sliding groove 2 54 is provided on a side of the connecting plate 52 close to the knob 464. The inner wall of the sliding groove 2 54 is slidably connected to a limiting rod 56. A spring 3 55 is fixed to the end of the limiting rod 56 away from the knob 464. The end of the spring 3 55 away from the limiting rod 56 is fixed to the inner wall of the sliding groove 2 54. On the upper side, a spring 2 51 is fixed to the side of the connecting plate 52 close to the fixing frame 1, and one end of the spring 2 51 away from the connecting plate 52 is fixed to the surface of the fixing frame 1. A through hole 53 is opened on the surface of the connecting plate 52, and the through hole 53 is penetrated by the threaded rod 463. When the plugging is completed, the connecting plate 52 is loosened. At this time, under the action of the spring 2 51, the connecting plate 52 drives the limiting rod 56 to move outward, so that the limiting rod 56 enters the groove 2 50 to limit the knob 464, so as to prevent the threaded rod 463 from loosening and causing the plugging to fail.

[0027] The fixing frame 1 is configured to be semicircular, so as to be easily adapted to the oil field pipeline 3 .

[0028] A ball 2 is provided on one side of the fixing frame 1 close to the oil field pipeline 3 to facilitate the movement of the fixing frame 1 and thus facilitate the adjustment of the plugging position.

[0029] The pressing plate 461 and the rubber sealing pad 462 are both configured to be arc-shaped and can fit the oil field pipeline 3 .

[0030] When the oilfield pipeline 3 is damaged and needs to be plugged, the two sets of fixing frames 1 are set on the surface of the oilfield pipeline 3 and fixed by bolts. At this time, the fixing frame 1 is moved and conveniently moved by the ball 2, so that the rubber sealing gasket 462 is located at the position where the leak needs to be plugged. At this time, the connecting plate 52 is pressed to make the limit rod 56 disengage from the groove 2 50. At this time, the knob 464 is turned to drive the threaded rod 463 to rotate, so that the two sets of slide plates 42 are moved radially close to the oilfield pipeline 3 through the connecting rod 44, thereby driving the fixing column 460 to move synchronously. When the plugging is completed, the connecting plate 52 is released. At this time, under the action of the spring 51, the connecting plate 52 drives the limiting rod 56 to move outward, so that the limiting rod 56 enters the groove 50, limits the knob 464, and prevents the threaded rod 463 from loosening, resulting in failure of the plugging.

[0031] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A novel plugging device for oil fields, comprising a fixing frame (1), characterized in that: The fixing frame (1) is provided with two groups, and the two groups of fixing frames (1) are connected by bolts. An oilfield pipeline (3) is provided inside the fixing frame (1). A plugging component (4) and a limit component (5) are provided inside and on the surface of the fixing frame (1). The plugging component (4) comprises: A cavity (40), wherein the cavity (40) is opened inside the fixing frame (1), and a slide groove (41) is opened on the inner wall of the cavity (40), and a slide plate (42) is slidably connected to the inner side of the slide groove (41), and two groups of slide plates (42) are provided, and grooves (43) are opened on the sides of the slide plates (42) close to each other, and a connecting rod (44) is arranged on the inner side of the grooves (43), and a spring (45) is fixed to the end of the connecting rod (44) close to the grooves (43), and the blocking component (4) further includes a linkage (46).

2. A novel leak-proof device for oil fields according to claim 1, characterized in that: The linkage (46) comprises a fixing column (460), wherein the fixing column (460) is fixed to a side of the slide plate (42) close to the oilfield pipeline (3), an end of the fixing column (460) away from the slide plate (42) passes through the fixing frame (1), and the fixing column (460) is slidably connected to the fixing frame (1), a pressing plate (461) is fixed to the end of the fixing column (460) away from the slide plate (42), the pressing plate (461) passes through the fixing frame (1), a rubber sealing pad (462) is fixed to the side of the pressing plate (461) away from the fixing column (460), a threaded rod (463) is rotatably connected to the side of the slide plate (42) away from the fixing column (460), an end of the threaded rod (463) away from the slide plate (42) passes through the fixing frame (1), the threaded rod (463) is threadedly connected to the fixing frame (1), and a knob (464) is fixed to the end of the threaded rod (463) away from the fixing frame (1).

3. A novel leak-proof device for oil fields according to claim 2, characterized in that: The limiting assembly (5) comprises a second groove (50), wherein the second groove (50) is provided on a side of the knob (464) close to the fixing frame (1), a fixing rod (57) is fixed on the surface of the fixing frame (1), the fixing rod (57) passes through a connecting plate (52), the connecting plate (52) is slidably connected to the fixing rod (57), a second slide groove (54) is provided on a side of the connecting plate (52) close to the knob (464), the inner wall of the second slide groove (54) is slidably connected to the limiting rod (56), the A spring three (55) is fixed to one end of the limiting rod (56) away from the knob (464), and one end of the spring three (55) away from the limiting rod (56) is fixed to the inner wall of the second slide groove (54). A spring two (51) is fixed to one side of the connecting plate (52) close to the fixing frame (1), and one end of the spring two (51) away from the connecting plate (52) is fixed to the surface of the fixing frame (1). A through hole (53) is formed on the surface of the connecting plate (52), and the through hole (53) is penetrated by the threaded rod (463).

4. A novel leak-proof device for oil fields according to claim 1, characterized in that: The fixing frame (1) is configured to be semicircular.

5. The novel leak-proof device for oil fields according to claim 1 is characterized in that: A ball bearing (2) is arranged on a side of the fixing frame (1) close to the oil field pipeline (3).

6. A novel leak-proof device for oil fields according to claim 2, characterized in that: The pressing plate (461) and the rubber sealing pad (462) are both arranged in an arc shape.

7. A novel oilfield plugging device according to claim 2, characterized in that: The fixing column (460), the pressing plate (461) and the rubber sealing pad (462) are each provided in two groups.

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