A pressure test non-metallic sealing plug

Abstract

The utility model relates to the technical field of oil extraction, and discloses a pressure-testing non-metallic sealing plug, including an oil pipeline, a pressure assembly and a plugging assembly, wherein a fixing ear is fixedly connected to the outer side of the oil pipeline, and a pressure assembly is arranged on the upper end of the oil pipeline. The pressure-testing non-metallic sealing plug starts a motor to drive the worm to rotate, and the rotation of the worm drives the meshing worm wheel to rotate, thereby driving the large gear to rotate, and the rotation of the large gear drives the four meshing small gears and the screw to rotate at the same time, the screw is threadedly connected to the fixed plate, and the screw extends into the fixed plate when rotating, thereby pressing the connecting plate against the oil pipeline, and the plugging assembly is inserted into the oil pipeline under the push of the pressure assembly, and the inclined surface of the plugging block 2 is adapted to be plugged into the inclined groove of the plugging block 1, and when the plugging block 2 is impacted by the fluid, the plugging block 2 is inserted into the inclined groove along the sliding rod after bearing the impact of the fluid, and the plugging block 1 is stretched and stretched open to improve the sealing effect.

Description

Technical Field

[0001] The utility model relates to the technical field of oil exploitation, in particular to a pressure testing non-metallic sealing plug. Background Art

[0002] Oil production refers to the process of transporting oil from oil-producing areas, oil fields or oil wells to processing plants, refineries or consumption areas, covering the entire process from crude oil extraction to final product distribution. When the oil production system is deployed, the pipeline needs to be pressure tested. The plug is also called the pipe cap. It blocks the unnecessary openings in the pipeline to play a sealing role. During the pressure test of the pipeline, it is often necessary to use a non-metallic sealing plug to seal the pipeline.

[0003] Specifically, the Chinese utility model patent with announcement number CN213900315U specifically discloses a petroleum pipeline plugging device, which has an additional obstacle removal device that can remove objects inside the pipeline, which makes it easier to install the device. However, the petroleum pipeline plugging device does not have a quick disassembly and assembly structure, and is not convenient for quick disassembly and assembly with the pipeline in actual application, and has low installation efficiency and is not convenient for reuse. Summary of the invention

[0004] In view of the problems existing in the rapid disassembly and assembly of existing plugs for pipeline pressure testing, the purpose of the utility model is to provide a pressure testing non-metallic sealing plug that can be disassembled and installed from the pipeline, thereby effectively solving the problems in the prior art.

[0005] In order to achieve the above-mentioned purpose, the pressure testing non-metallic sealing plug provided by the utility model comprises an oil pipeline, a pressure assembly and a sealing assembly, a fixing ear is fixedly connected to the outer side of the oil pipeline, a pressure assembly is arranged at the upper end of the oil pipeline, and a sealing assembly is fixedly connected to the lower end of the pressure assembly, the pressure assembly comprises a fixing plate, a screw is arranged at the upper end of the fixing plate, a pinion is fixedly connected to the upper end of the screw, a connecting plate is rotatably connected to the lower end of the pinion, a connecting rod is fixedly connected to the upper end of the connecting plate, a sealing plate is fixedly connected to the upper end of the connecting rod, a shaft seat is fixedly connected to a worm in rotation at the center of the shaft seat, a motor is fixedly connected to the left side of the shaft seat, a worm gear is rotatably connected to the upper end of the sealing plate, and a large gear is fixedly connected to the lower end of the worm gear.

[0006] Through the above technical solution, a pressure component is provided to press the plugging component tightly in the oil pipeline.

[0007] Preferably, the screw rod is threadedly connected to the fixing plate, and the large gear is meshingly connected to the small gear.

[0008] Through the above technical scheme, a screw rod is set, and bolts are used to fix the fixing plate to the fixing ears when the pressure assembly is installed. The rotation of the large gear drives the four small gears in meshing connection and the screw rod to rotate at the same time. The screw rod is threadedly connected to the fixing plate. When the screw rod rotates, it extends into the fixing plate, thereby pressing the connecting plate tightly onto the oil pipeline, and the fixing effect is good.

[0009] Preferably, the worm is meshingly connected to the worm wheel, and the output end of the motor is fixedly connected to the worm.

[0010] Through the above technical solution, a worm and a worm wheel are provided, and the starting motor drives the worm to rotate, and the rotation of the worm drives the meshing worm wheel to rotate, thereby driving the large gear to rotate.

[0011] Preferably, the blocking assembly comprises a blocking block 1 and a blocking block 2, and the blocking block 1 and the blocking block 2 are adapted to each other.

[0012] Preferably, the sealing assembly also includes sealing edge 1, an inclined groove, a sliding rod, sealing edge 2 and an inclined surface, the sealing block is provided with sealing edge 1 at a lower end, the sealing block is provided with an inclined groove at a lower end, the sealing block is fixedly connected with a sliding rod at a lower end, the sealing block is provided with sealing block 2 at a lower end, the lower end of the sealing block 2 is provided with sealing edge 2, and the upper end of the sealing block 2 is provided with an inclined surface.

[0013] Through the above technical solution, a plugging component is set up to plug the oil pipeline.

[0014] Preferably, the sliding rod is slidably connected to the second blocking block, and the inclined surface is matched with the inclined groove.

[0015] Through the above technical solution, the sealing assembly is inserted into the oil pipeline under the push of the pressure assembly, and the inclined surface of the sealing block 2 is adapted to be plugged into the inclined groove of the sealing block 1. When the sealing block 2 is impacted by the fluid, the sealing block 2 is inserted into the inclined groove along the sliding rod after bearing the impact of the fluid, and the sealing block 1 is tightened and stretched, thereby improving the sealing effect.

[0016] Preferably, the diameters of the second and first blocking blocks are matched with the inner diameter of the oil pipeline, and the fixing ears are connected to the fixing plates by bolt locking.

[0017] Through the above technical solution, the fixing ear and the fixing plate are locked and connected by bolts, which is convenient for installation and disassembly.

[0018] The pressure test non-metallic sealing plug provided by the utility model is provided with a pressure assembly. When the pressure assembly is installed, a fixing plate is fixedly connected to a fixing ear by a bolt. The starting motor drives the worm to rotate. The rotation of the worm drives the meshing worm wheel to rotate, thereby driving the large gear to rotate. The rotation of the large gear drives the four meshing small gears and the lead screw to rotate at the same time. The lead screw is threadedly connected to the fixing plate. When the lead screw rotates, it extends into the fixing plate, thereby pressing the connecting plate tightly on the oil pipeline, and the fixing effect is good.

[0019] In the pressure testing non-metallic sealing plug provided by the utility model, the sealing component is inserted into the oil pipeline under the push of the pressure component, and the inclined surface of the sealing block 2 is adapted to be plugged into the inclined groove of the sealing block 1. When the sealing block 2 is impacted by the fluid, the sealing block 2 is inserted into the inclined groove along the sliding rod after bearing the fluid impact, and the sealing block 1 is stretched and expanded, thereby improving the sealing effect. The plug is easy to install and disassemble and can be reused. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the pressure test non-metallic sealing plug in the utility model;

[0021] Figure 2 This is a schematic diagram of the disassembled structure of the non-metallic sealing plug for pressure testing in the utility model;

[0022] Figure 3 This is a schematic diagram of the split structure of the pressure component of the pressure test non-metallic sealing plug in the utility model;

[0023] Figure 4 It is a schematic diagram of the first angle three-dimensional cross-sectional structure of the pressure component and the plugging component of the pressure test non-metallic sealing plug in the utility model;

[0024] Figure 5 It is a schematic diagram of the second angle three-dimensional cross-sectional structure of the pressure component and the plugging component of the pressure test non-metallic sealing plug in the utility model;

[0025] Figure 6 This is a schematic diagram of the disassembled structure of the sealing component of the pressure testing non-metallic sealing plug in the utility model.

[0026] Among them: 1. Oil pipeline; 2. Fixing ear; 3. Pressure component; 301. Fixing plate; 302. Screw; 303. Small gear; 304. Connecting plate; 305. Closing plate; 306. Shaft seat; 307. Worm; 308. Motor; 309. Worm wheel; 310. Large gear; 311. Connecting rod; 4. Sealing component; 401. Sealing block 1; 402. Sealing edge 1; 403. Bevel groove; 404. Sliding rod; 405. Sealing block 2; 406. Sealing edge 2; 407. Inclined surface. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Embodiment 1:

[0029] like Figure 1-6 As shown, a pressure test non-metallic sealing plug is given in this example, and the plugging head includes an oil pipeline 1, a pressure component 3 and a plugging component 4. A fixing ear 2 is fixedly connected to the outer side of the oil pipeline 1, a pressure component 3 is arranged at the upper end of the oil pipeline 1, and a plugging component 4 is fixedly connected to the lower end of the pressure component 3. The pressure component 3 includes a fixing plate 301, a screw rod 302 is arranged at the upper end of the fixing plate 301, a pinion 303 is fixedly connected to the upper end of the screw rod 302, and a connecting plate 304 is rotatably connected to the lower end of the pinion 303. The connecting plate The upper end of 304 is fixedly connected with a connecting rod 311, the upper end of the connecting rod 311 is fixedly connected with a sealing plate 305, the upper end of the sealing plate 305 is fixedly connected with a shaft seat 306, the center of the shaft seat 306 is rotatably connected with a worm 307, the left side of the shaft seat 306 is fixedly connected with a motor 308, the upper end of the sealing plate 305 is rotatably connected with a worm gear 309, the lower end of the worm gear 309 is fixedly connected with a large gear 310, and the plugging assembly 4 includes a plugging block 1 401 and a plugging block 2 405, and the plugging block 1 401 and the plugging block 2 405 are adapted. In this example, the plugging assembly 4 is pressed tightly in the oil pipeline 1 by setting a pressure assembly 3.

[0030] In some embodiments, the screw rod 302 in this solution is threadedly connected to the fixing plate 301, and the large gear 310 is meshedly connected to the small gear 303. Here, by setting the screw rod 302, the fixing plate 301 is fixedly connected to the fixing ear 2 using bolts when the pressure assembly 3 is installed, and the large gear 310 rotates to drive the four meshed small gears 303 and the screw rod 302 to rotate at the same time, and the screw rod 302 is threadedly connected to the fixing plate 301. When the screw rod 302 rotates, it extends into the fixing plate 301, thereby pressing the connecting plate 304 against the oil pipeline 1, and the fixing effect is good.

[0031] In some embodiments, the worm 307 in this solution is meshed with the worm wheel 309, and the output end of the motor 308 is fixedly connected to the worm 307. Here, by setting the worm 307 and the worm wheel 309, the motor 308 is started to drive the worm 307 to rotate, and the rotation of the worm 307 drives the meshed worm wheel 309 to rotate, thereby driving the large gear 310 to rotate.

[0032] Embodiment 2:

[0033] This example further provides an optimization solution based on the solution in the first embodiment.

[0034] Combination Figures 2 to 6 As shown, in this example, the plugging assembly 4 also includes a sealing edge 1 402, an inclined groove 403, a slide bar 404, a sealing edge 2 406 and an inclined surface 407. The lower end of the plugging block 1 401 is provided with a sealing edge 1 402, the lower end of the plugging block 1 401 is provided with an inclined groove 403, the lower end of the plugging block 1 401 is fixedly connected with a slide bar 404, the lower end of the plugging block 1 401 is provided with a blocking block 2 405, the lower end of the blocking block 2 405 is provided with a sealing edge 2 406, and the upper end of the blocking block 2 405 is provided with an inclined surface 407. The plugging assembly 4 configured in this way can effectively plug the oil pipeline 1 and ensure the reliability of plugging.

[0035] In some embodiments, the slide bar 404 in this solution is slidably connected with the second blocking block 405, and the inclined surface 407 is matched with the inclined groove 403. Here, the blocking component 4 is inserted into the oil pipeline 1 under the push of the pressure component 3, and the inclined surface 407 of the second blocking block 405 is matched and plugged with the inclined groove 403 of the first blocking block 401. When the second blocking block 405 is impacted by the fluid, the second blocking block 405 is inserted into the inclined groove 403 along the slide bar 404 after bearing the impact of the fluid, and the first blocking block 401 is stretched and stretched, thereby improving the sealing effect.

[0036] In some embodiments, the diameters of the blocking block 2 405 and the blocking block 1 401 in this solution are adapted to the inner diameter of the oil pipeline 1, and the fixing ear 2 is connected to the fixing plate 301 by bolts. Here, the fixing ear 2 is connected to the fixing plate 301 by bolts, which is convenient for installation and disassembly.

[0037] The application process of the pressure test non-metallic sealing plug formed based on the above example scheme is specifically explained.

[0038] Combination Figures 1 to 6As shown, when the pressure test non-metallic sealing plug is used, the fixing plate 301 is fixedly connected to the fixing ear 2 by bolts, and the motor 308 is started to drive the worm 307 to rotate. The rotation of the worm 307 drives the meshing worm wheel 309 to rotate, thereby driving the large gear 310 to rotate. The rotation of the large gear 310 drives the four meshing small gears 303 and the screw 302 to rotate simultaneously. The screw 302 is threadedly connected to the fixing plate 301. When the screw 302 rotates, it extends into the fixing plate 30 1, thereby pressing the connecting plate 304 against the oil pipeline 1. When performing a pressure test, the plugging component 4 is inserted into the oil pipeline 1 under the push of the pressure component 3, and the inclined surface 407 of the second plugging block 405 is adapted to be plugged into the inclined groove 403 of the first plugging block 401. When the second plugging block 405 is impacted by the fluid, the second plugging block 405 is inserted into the inclined groove 403 along the sliding rod 404 after bearing the impact of the fluid, and the first plugging block 401 is stretched and stretched, thereby improving the sealing effect, and the sealing effect is good.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pressure test non-metallic sealing plug, comprising an oil pipeline (1), a pressure component (3) and a plugging component (4), characterized in that: The outer side of the oil delivery pipe (1) is fixedly connected to a fixing ear (2); the upper end of the oil delivery pipe (1) is provided with a pressure assembly (3); the lower end of the pressure assembly (3) is fixedly connected to a blocking assembly (4); the pressure assembly (3) comprises a fixing plate (301); the upper end of the fixing plate (301) is provided with a screw rod (302); the upper end of the screw rod (302) is fixedly connected to a pinion gear (303); the lower end of the pinion gear (303) is rotatably connected to a connecting plate (304); the connecting plate The upper end of (304) is fixedly connected to a connecting rod (311), the upper end of the connecting rod (311) is fixedly connected to a sealing plate (305), the upper end of the sealing plate (305) is fixedly connected to an axle seat (306), the center of the axle seat (306) is rotatably connected to a worm (307), the left side of the axle seat (306) is fixedly connected to a motor (308), the upper end of the sealing plate (305) is rotatably connected to a worm wheel (309), and the lower end of the worm wheel (309) is fixedly connected to a large gear (310).

2. A pressure test non-metallic sealing plug according to claim 1, characterized in that: The screw rod (302) is threadedly connected to the fixing plate (301), and the large gear (310) is meshingly connected to the small gear (303).

3. A pressure test non-metallic sealing plug according to claim 2, characterized in that: The worm (307) is meshingly connected with the worm wheel (309), and the output end of the motor (308) is fixedly connected with the worm (307).

4. A pressure test non-metallic sealing plug according to claim 1, characterized in that: The blocking assembly (4) comprises a blocking block 1 (401) and a blocking block 2 (405), and the blocking block 1 (401) and the blocking block 2 (405) are compatible with each other.

5. A pressure test non-metallic sealing plug according to claim 4, characterized in that: The blocking assembly (4) also includes a sealing edge 1 (402), an inclined groove (403), a sliding rod (404), a sealing edge 2 (406) and an inclined surface (407); the sealing block 1 (401) is provided with a sealing edge 1 (402) at the lower end; the sealing block 1 (401) is provided with an inclined groove (403) at the lower end; the sealing block 1 (401) is fixedly connected with a sliding rod (404) at the lower end; the sealing block 1 (401) is provided with a sealing block 2 (405) at the lower end; the sealing block 2 (405) is provided with a sealing edge 2 (406) at the lower end; and the sealing block 2 (405) is provided with an inclined surface (407) at the upper end.

6. A pressure test non-metallic sealing plug according to claim 5, characterized in that: The sliding rod (404) is slidably connected to the second blocking block (405), and the inclined surface (407) is adapted to the inclined groove (403).

7. A pressure test non-metallic sealing plug according to claim 6, characterized in that: The diameters of the second blocking block (405) and the first blocking block (401) are both compatible with the inner diameter of the oil pipeline (1), and the fixing ear (2) and the fixing plate (301) are locked and connected by bolts.

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