Oil and gas pipeline plugging device
By designing an automated oil and gas pipeline plugging device, which utilizes a brush head for cleaning and a filter box for filtering impurities, the problems of poor sealing and inconvenience in using oil and gas pipeline plugging devices have been solved, achieving efficient plugging results and convenient operation.
Patent Information
- Application Number
- CN202520384193.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-03-06
AI Technical Summary
Existing oil and gas pipeline sealing devices, after being inserted into oil and gas pipelines, suffer from poor sealing performance due to impurities inside the pipelines affecting the seal. Furthermore, manual adjustment and fixed use are inconvenient.
An oil and gas pipeline sealing device was designed, comprising a fixing component, a first lead screw, a limiting plate, a through-type lead screw motor, a guide rod, and a sealing component. The device cleans the pipeline with a brush head, filters impurities with a filter box, controls gas flow with a solenoid valve, and automatically adjusts the position of the sealing component to achieve automatic fixing and gas-filled sealing.
The airbag's sealing performance has been improved, enhancing the sealing effect, and the ease of use has been increased through automated operation.
Smart Images

Figure CN223690660U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to oil and gas pipeline technical field, concretely is a kind of oil and gas pipeline plugging device. BACKGROUND
[0002] Oil and gas pipeline is the pipeline system for transporting petroleum, natural gas and other hydrocarbon fluids, and is usually made of high-strength steel pipes. These steel pipes are specially treated to withstand high pressure and high temperature environments. During maintenance and installation of oil and gas pipelines, a plugging device is needed for temporary sealing to ensure the safety of maintenance and installation.
[0003] A kind of oil and gas pipeline plugging device is disclosed in Chinese patent (Grant Announcement No. CN221880646U). This patent technology can ensure that the device is fixed on the outside of the pipeline and cannot be moved, thereby limiting the position of the air bag and preventing the air bag from moving and causing the pipeline to fail to seal. However, the above-mentioned plugging device directly inflates and seals after the air bag is inserted into the oil and gas pipeline. The impurities inside the oil and gas pipeline can affect the sealing performance of the plugging device, which is not conducive to the plugging effect. Manual adjustment and fixation are used, which is low in convenience. Therefore, a kind of oil and gas pipeline plugging device is provided by the skilled person in the art to solve the problems raised in the above background technology. SUMMARY
[0004] The utility model aims at providing a kind of oil and gas pipeline plugging device to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] A kind of oil and gas pipeline plugging device, comprising a fixing member, a first lead screw, a limiting plate, a first through-type lead screw motor, a first guide slide bar and a plugging member, the first lead screw is located at the lower end of the fixing member on one side, the limiting plate is located at the end of the first lead screw, the first through-type lead screw motor is located at the side of the limiting plate, the first guide slide bar is located at the lower end of the fixing member on one side, the plugging member is located inside the limiting plate, the plugging member comprises a support cylinder, the outer side of the support cylinder is provided with an air bag, one end of the support cylinder is provided with a brush head, the other end of the support cylinder is provided with an air inlet pipe, one end of the air inlet pipe is provided with a filter box, one side of the filter box is provided with a suction pipe, one end of the suction pipe is provided with a gas pump, the output end of the gas pump is provided with an air outlet pipe, the upper end of the air outlet pipe is provided with a connecting pipe, the inner end of the connecting pipe is provided with a first electromagnetic valve, the outer end of the connecting pipe is provided with a second electromagnetic valve, the side of the support cylinder is provided with an air inlet net near the brush head, one side of the brush head is provided with a shaft, and a transmission motor is installed at the position corresponding to the shaft on one side of the support cylinder.
[0007] As a further scheme of the utility model: the fixed component includes lower snap ring, the upper side rear end position of lower snap ring is provided with second lead screw, the upper end of second lead screw is provided with upper snap ring, the upper side of upper snap ring is installed with second through type lead screw motor, the rear end position of lower snap ring is provided with second guide slide rod, the outside position of lower snap ring and upper snap ring is all provided with fixed screw.
[0008] As a further scheme of the utility model: the outer end of first lead screw is located at the internal position of first through type lead screw motor, the outer end of first lead screw is slid in the internal position of limiting plate through first through type lead screw motor, the outer end of first guide slide rod is slid in the internal position of limiting plate, one end of support cylinder is fixed in the internal position of limiting plate.
[0009] As a further scheme of the utility model: the shaft rod rotates in the internal position of support cylinder through transmission motor, one end of brush head rotates in the one end position of support cylinder.
[0010] As a further scheme of the utility model: the output end of support cylinder and the input end of air inlet pipe are through, the output end of air inlet pipe and the input end of filter box are through, the output end of filter box and the input end of air extraction pipe are through, the output end of air extraction pipe and the input end of air pump are through, the output end of air pump and the input end of air outlet pipe are through, the output end of air outlet pipe and the input end of connecting pipe are through, the inner end of connecting pipe and the input end of air bag are through through first electromagnetic valve.
[0011] As a further scheme of the utility model: the upper end of second lead screw is slid in the rear end position of upper snap ring, second lead screw is slid in the rear end position of upper snap ring through second through type lead screw motor, the upper end of second guide slide rod is slid in the rear end position of upper snap ring.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] 1. The utility model relates to an oil and gas pipeline plugging device, which is characterized by the following: the brush head is used for cleaning the plugging position of the oil and gas pipeline, the filter box is used for collecting the impurities, the air bag is used for improving the sealing performance, and the plugging effect is improved.
[0014] 2. The fixed component is used for automatically fixing the oil and gas pipeline, the first lead screw and the first through type lead screw motor are used for automatically adjusting the position of the plugging component, and the convenience is improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is a structural schematic view of an oil and gas pipeline plugging device.
[0016] Fig. 2A perspective view of a plugging member in an oil and gas pipeline plugging device;
[0017] Fig. 3 A structural schematic view of a fixing member in an oil and gas pipeline plugging device.
[0018] In the figure: 1, fixing member; 2, first screw rod; 3, limiting plate; 4, first through-type screw rod motor; 5, first guide sliding rod; 6, plugging member; 7, support cylinder; 8, air bag; 9, brush head; 10, air inlet pipe; 11, filter box; 12, air extraction pipe; 13, air pump; 14, air outlet pipe; 15, connecting pipe; 16, first electromagnetic valve; 17, second electromagnetic valve; 18, air inlet net; 19, shaft rod; 20, transmission motor; 21, lower snap ring; 22, second screw rod; 23, upper snap ring; 24, second through-type screw rod motor; 25, second guide sliding rod; 26, fixing screw. DETAILED DESCRIPTION
[0019] Please refer to Figs. 1-3The utility model discloses an oil gas pipeline plugging device, including fixed component 1, first screw rod 2, limit board 3, first through type screw rod motor 4, first guide slide bar 5 and plugging component 6, first screw rod 2 is located at the one side lower extreme position of fixed component 1, the limit board 3 is located at the one end position of first screw rod 2, and first through type screw rod motor 4 is located at the one side position of limit board 3, and first guide slide bar 5 is located at the lower end one side position of fixed component 1, and plugging component 6 is located at the internal position of limit board 3, and plugging component 6 includes support cylinder 7, the outside of support cylinder 7 is provided with air bag 8, one end of support cylinder 7 is installed with brush head 9, the other end of support cylinder 7 is provided with air inlet pipe 10, one end of air inlet pipe 10 is provided with filter box 11, one side of filter box 11 is provided with suction pipe 12, one end of suction pipe 12 is installed with air pump 13, and the output of air pump 13 is provided with air outlet pipe 14, and the upper end of air outlet pipe 14 is provided with connecting pipe 15, and the inner end of connecting pipe 15 is installed with first electromagnetic valve 16, and the outer end of connecting pipe 15 is installed with second electromagnetic valve 17, and the one side of support cylinder 7 is provided with air inlet net 18 near the position of brush head 9, one side of brush head 9 is provided with shaft 19, and the one side of support cylinder 7 is installed with transmission motor 20 at the position of corresponding shaft 19, and the outer end of first screw rod 2 is located at the internal position of first through type screw rod motor 4, and the outer end of first screw rod 2 is slid in the internal position of limit board 3 through first through type screw rod motor 4, and the outer end of first guide slide bar 5 is slid in the internal position of limit board 3, and one end of support cylinder 7 is fixed in the internal position of limit board 3, and shaft 19 rotates in the internal position of support cylinder 7 through transmission motor 20, and one end of brush head 9 rotates in the one end position of support cylinder 7, and the output of support cylinder 7 is communicated with the input of air inlet pipe 10, and the output of air inlet pipe 10 is communicated with the input of filter box 11, and the output of filter box 11 is communicated with the input of suction pipe 12, and the output of suction pipe 12 is communicated with the input of air pump 13, and the output of air pump 13 is communicated with the input of air outlet pipe 14, and the output of air outlet pipe 14 is communicated with the input of connecting pipe 15, and the inner end of connecting pipe 15 is communicated with the input of air bag 8 through first electromagnetic valve 16, first, carry an oil gas pipeline plugging device to the use position, then, first through type screw rod motor 4 runs and drives the outer end of first screw rod 2 to slide in the inside of limit board 3, the outer end of first guide slide bar 5 slides in the inside of limit board 3, and plugging component 6 is inserted into the inside of oil gas pipeline, during the insertion process, transmission motor 20 runs and drives brush head 9 to rotate through shaft 19, brush head 9 cleans the inside of oil gas pipeline, air pump 13 runs, and the impurities generated during the cleaning process of oil gas pipeline are entered into the inside of support cylinder 7 through air inlet net 18, the impurities in the inside of support cylinder 7 are entered into the inside of filter box 11 through air inlet pipe 10, filter box 11 filters the impurities, and the gas is guided into the inside of connecting pipe 15 through suction pipe 12, air pump 13 and air outlet pipe 14, first electromagnetic valve 16 is closed,The second solenoid valve 17 opens to release gas. After the sealing component 6 is inserted into the oil and gas pipeline, the first solenoid valve 16 opens, and the second solenoid valve 17 closes. Gas enters the airbag 8 through the connecting pipe 15 to inflate it, thus completing the sealing operation of the oil and gas pipeline through the airbag 8.
[0020] exist Fig. 1 , 3 In the middle: the fixing component 1 includes a lower retaining ring 21, a second lead screw 22 is provided at the upper rear end of the lower retaining ring 21, an upper retaining ring 23 is provided at the upper end of the second lead screw 22, a second through-type lead screw motor 24 is installed on the upper side of the upper retaining ring 23, a second guide rod 25 is provided at the rear end of the lower retaining ring 21, and fixing screws 26 are provided at the outer sides of both the lower retaining ring 21 and the upper retaining ring 23. The upper end of the second lead screw 22 slides at the rear end of the upper retaining ring 23, and the second lead screw 24 passes through the second guide rod 25. The second through-type lead screw motor 24 slides at the rear end of the upper retaining ring 23, and the upper end of the second guide rod 25 slides at the rear end of the upper retaining ring 23, clamping the lower retaining ring 21 and the upper retaining ring 23 to the outside of the oil and gas pipeline. The second through-type lead screw motor 24 runs and drives the second lead screw 22 to slide at the rear end of the upper retaining ring 23. The upper end of the second guide rod 25 slides at the rear end of the upper retaining ring 23. The lower retaining ring 21 and the upper retaining ring 23 clamp the oil and gas pipeline. Rotate the fixing screw 26 to fix the oil and gas pipeline again.
[0021] The working principle of this utility model is as follows: First, an oil and gas pipeline sealing device is brought to the usage location. The lower retaining ring 21 and the upper retaining ring 23 are clamped onto the outside of the oil and gas pipeline. The second through-type screw motor 24 drives the second screw 22 to slide at the rear end of the upper retaining ring 23, and the upper end of the second guide rod 25 slides at the rear end of the upper retaining ring 23. The lower retaining ring 21 and the upper retaining ring 23 clamp the oil and gas pipeline. The fixing screw 26 is rotated to fix the oil and gas pipeline again. Then, the first through-type screw motor 4 drives the outer end of the first screw 2 to slide inside the limiting plate 3, and the outer end of the first guide rod 5 slides inside the limiting plate 3. The sealing component 6 is inserted into the oil and gas pipeline. During the insertion process, the drive motor 20 runs. The brush head 9 is rotated by the shaft 19, and the brush head 9 cleans the inside of the oil and gas pipeline. The air pump 13 runs, and the impurities generated during the cleaning process enter the inside of the support cylinder 7 through the air inlet net 18. The impurities inside the support cylinder 7 enter the inside of the filter box 11 through the air inlet pipe 10. The filter box 11 filters the impurities. The gas is introduced into the inside of the connecting pipe 15 through the air extraction pipe 12, the air pump 13 and the air outlet pipe 14. The first solenoid valve 16 is closed and the second solenoid valve 17 is opened to discharge the gas. After the sealing component 6 is inserted into the inside of the oil and gas pipeline, the first solenoid valve 16 is opened and the second solenoid valve 17 is closed. The gas enters the inside of the airbag 8 through the connecting pipe 15 to inflate it. The sealing operation of the oil and gas pipeline is completed by the airbag 8.
[0022] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. An oil and gas pipeline plugging device, comprising a fixing component (1), a first lead screw (2), a limiting plate (3), a first through-type lead screw motor (4), a first guide rod (5), and a plugging component (6), wherein the first lead screw (2) is located at the lower end of one side of the fixing component (1), the limiting plate (3) is located at one end of the first lead screw (2), the first through-type lead screw motor (4) is located at one side of the limiting plate (3), the first guide rod (5) is located at the lower end of the fixing component (1), and the plugging component (6) is located inside the limiting plate (3), characterized in that, The sealing component (6) includes a support cylinder (7), an airbag (8) is provided on the outside of the support cylinder (7), a brush head (9) is installed at one end of the support cylinder (7), an air inlet pipe (10) is provided at the other end of the support cylinder (7), a filter box (11) is provided at one end of the air inlet pipe (10), an air extraction pipe (12) is provided on one side of the filter box (11), an air pump (13) is installed at one end of the air extraction pipe (12), and an air outlet is provided at the output end of the air pump (13). The upper end of the air outlet pipe (14) is provided with a connecting pipe (15), the inner end of the connecting pipe (15) is equipped with a first solenoid valve (16), the outer end of the connecting pipe (15) is equipped with a second solenoid valve (17), an air inlet net (18) is provided on one side of the support cylinder (7) near the brush head (9), a shaft (19) is provided on one side of the brush head (9), and a drive motor (20) is installed on one side of the support cylinder (7) corresponding to the shaft (19).
2. The oil and gas pipeline plugging device according to claim 1, characterized in that, The fixing component (1) includes a lower retaining ring (21), a second lead screw (22) is provided at the upper rear end of the lower retaining ring (21), an upper retaining ring (23) is provided at the upper end of the second lead screw (22), a second through-type lead screw motor (24) is installed on the upper side of the upper retaining ring (23), a second guide rod (25) is provided at the rear end of the lower retaining ring (21), and fixing screws (26) are provided at the outer sides of both the lower retaining ring (21) and the upper retaining ring (23).
3. The oil and gas pipeline plugging device according to claim 1, characterized in that, The outer end of the first lead screw (2) is located inside the first through-type lead screw motor (4). The outer end of the first lead screw (2) slides inside the limiting plate (3) through the first through-type lead screw motor (4). The outer end of the first guide rod (5) slides inside the limiting plate (3). One end of the support cylinder (7) is fixed inside the limiting plate (3).
4. The oil and gas pipeline plugging device according to claim 1, characterized in that, The shaft (19) is rotated inside the support cylinder (7) by the transmission motor (20), and one end of the brush head (9) is rotated at one end of the support cylinder (7).
5. The oil and gas pipeline plugging device according to claim 1, characterized in that, The output end of the support cylinder (7) is connected to the input end of the air inlet pipe (10), the output end of the air inlet pipe (10) is connected to the input end of the filter box (11), the output end of the filter box (11) is connected to the input end of the suction pipe (12), the output end of the suction pipe (12) is connected to the input end of the air pump (13), the output end of the air pump (13) is connected to the input end of the air outlet pipe (14), the output end of the air outlet pipe (14) is connected to the input end of the connecting pipe (15), and the inner end of the connecting pipe (15) is connected to the input end of the airbag (8) through the first solenoid valve (16).
6. The oil and gas pipeline plugging device according to claim 2, characterized in that, The upper end of the second lead screw (22) slides at the rear end of the upper retaining ring (23), and the second lead screw (22) slides at the rear end of the upper retaining ring (23) through the second through-type lead screw motor (24). The upper end of the second guide rod (25) slides at the rear end of the upper retaining ring (23).
Citation Information
Patent Citations
Oil and gas pipeline plugging device
CN221880646U