Self-locking pipeline dredging device

Abstract

The utility model relates to the technical field of pipeline dredging, in particular to a self-locking type pipeline dredging device which comprises a power assembly, a four-way connector is connected to the power assembly, a pressure gauge, a water outlet pipeline and a pressure relief pipeline are connected to the four-way connector, and a water inlet pipeline is installed on the power assembly. The self-locking pipeline dredging device has the beneficial effects that the self-locking mechanism can automatically lock the pipe wall by utilizing the pressure provided by the screw pump, the device mounting time can be greatly shortened, pipeline dredging can be completed in a short time, the equipment stopping time is shortened, the dredging efficiency of a clogged pipeline is improved, and meanwhile, the self-locking pipeline dredging device is convenient to use. And the problem of crude oil blockage caused by temperature reduction in the pipeline due to long-time dredging is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline dredging, in particular to a self-locking pipeline dredging device. Background Art

[0002] The oil pipeline system, that is, the pipeline system used to transport oil and petroleum products, is mainly composed of oil pipelines, oil stations and other auxiliary related equipment. It is one of the main equipment in the oil storage and transportation industry, and it is also the most important transportation equipment for crude oil and petroleum products. Compared with railway and road oil transportation, which are also land transportation methods, pipeline oil transportation has the characteristics of large transportation volume, good airtightness, low cost and high safety factor.

[0003] However, in winter, the temperature drops and the oil dissipates heat faster in the pipeline, especially when passing through a small diameter pipeline, the oil temperature drops significantly faster due to the small flow rate. When the outside temperature is too cold, the oil temperature drops rapidly and the flow rate slows down, making it easy to stay in the small diameter pipeline and block the pipeline. This can easily cause the oil pump to operate abnormally or even throw off the pump.

[0004] Aiming at the problem that pipelines are easily blocked by crude oil in winter, which in turn causes abnormal operation of oil pumps or even pump throw-off, a self-locking pipeline dredging device is proposed to solve the above problem. Summary of the invention

[0005] Aiming at the problem that pipelines are easily blocked by crude oil in winter, which in turn causes abnormal operation of oil pumps or even pump throw-off, the utility model proposes a self-locking pipeline dredging device to solve the above problem.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is a self-locking pipeline dredging device, including a power assembly, a four-way joint is connected to the power assembly, a pressure gauge, a water outlet pipeline and a pressure relief pipeline are connected to the four-way joint, and a water inlet pipeline is installed on the power assembly. When in use, pressure is provided by the power assembly to fix the water outlet pipeline in the pipeline, and then the pipeline is dredged. After the dredging is completed, the pressure is released through the pressure relief pipeline, and the water outlet pipeline can be taken out to complete the dredging of the pipeline. The device has a simple overall structure, is easy to operate, and has good practicality. It can effectively avoid abnormal operation of the oil pump or even pump throwing problems caused by pipeline blockage.

[0007] Furthermore, the power assembly includes a motor, the output end of the motor is connected to a screw pump through a coupling and a key, the pump outlet joint of the screw pump is connected to the four-way joint, and the motor drives the screw pump to operate to provide power for the entire device.

[0008] Furthermore, the motor and the screw pump are both fixed on the bracket.

[0009] Furthermore, the water inlet pipeline includes a water inlet hose, one end of which is connected to the water inlet of the screw pump, and the other end of the water inlet hose is connected to a filter cartridge, through which the incoming water is filtered and transported to the screw pump through the water inlet hose.

[0010] Furthermore, the pressure relief pipeline includes a pressure relief valve, one end of which is connected to a four-way joint, the other end of which is connected to a pressure relief hose, one end of which is connected to a water outlet, pressure is released through the pressure relief valve, and water is discharged through the pressure relief hose and the water outlet.

[0011] Furthermore, the water outlet pipeline includes a water outlet hose, which is connected to a threaded interface through a hose clamp, and the threaded interface is connected to a four-way joint. One end of the water outlet hose is connected to a self-locking mechanism through a hose joint, and one end of the self-locking mechanism is connected to a transition hose, and one end of the transition hose is connected to a one-way valve. A filter is installed on the one-way valve. The water outlet pipeline is fixed in the pipeline through the self-locking mechanism. The one-way valve can provide pressure for the self-locking mechanism while ensuring the effect of pipeline dredging, and prevent impurities from entering the pipeline through the filter.

[0012] Furthermore, the self-locking mechanism includes at least six support columns, which are arranged in a ring-like shape with uniform intervals. Both ends of the support columns are provided with fixing nuts and threaded clamping plates, which are fixed on the support columns. Rubber tensioning bags are mounted on the outer sides of the six support columns. The fixing nuts and the threaded clamping plates are threadedly connected and leave a gap. Both ends of the rubber tensioning bags are located in the gap between the fixing nuts and the threaded clamping plates. The rubber tensioning bags are fixed by the fixing nuts and the threaded clamping plates. The support columns can provide support for the rubber tensioning bags without affecting the passage of water.

[0013] Furthermore, an anti-slip groove is provided on a side of the fixing nut that contacts the rubber tensioning bag, and the anti-slip groove further improves the fixing effect of the rubber tensioning bag.

[0014] The beneficial effects of the utility model are:

[0015] The device uses the pressure provided by the screw pump to allow the self-locking mechanism to automatically lock the pipe wall, which can greatly reduce the installation time of the device, complete the pipeline dredging in a short time, reduce equipment downtime, and improve the dredging efficiency of clogged pipelines. At the same time, it avoids the problem of crude oil blockage caused by the lowering of the temperature in the pipeline due to long-term dredging. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the utility model, the drawings required for use in the description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 It is a structural schematic diagram of the rubber tensioning bag of the utility model.

[0019] Figure 3 It is a structural schematic diagram of the support column of the utility model.

[0020] In the figure: 1. motor; 2. key; 3. coupling; 4. bracket; 5. screw pump; 6. pump outlet connector; 7. four-way connector; 8. pressure gauge; 9. threaded interface; 10. hose clamp; 11. water outlet hose; 12. hose connector; 13. self-locking mechanism; 14. transition hose; 15. one-way valve; 16. filter screen; 17. pressure relief valve; 18. pressure relief hose; 19. water outlet; 20. filter cartridge; 21. water inlet hose; 13-1. fixing nut; 13-2. threaded clamping plate; 13-3. support column; 13-4. anti-slip groove; 13-5. rubber tensioning bag. DETAILED DESCRIPTION

[0021] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical scheme of the utility model will be clearly and completely described below in combination with the drawings in the specific embodiment. Obviously, the embodiments described below are only part of the embodiments of the utility model, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this patent.

[0022] like Figure 1-3As shown, in this embodiment, a self-locking pipeline dredging device proposed by the utility model includes a power assembly, which includes a motor 1. The output end of the motor 1 is connected to a screw pump 5 through a coupling 3 and a key 2. The pump outlet connector 6 of the screw pump 5 is connected to a four-way connector 7. The motor 1 drives the screw pump 5 to run to provide power for the entire device. The motor 1 and the screw pump 5 are both fixed on a bracket 4. The four-way connector 7 is connected to a pressure gauge 8, a water outlet pipeline and a pressure relief pipeline. A water inlet pipeline is installed on the power assembly. The water inlet pipeline includes a water inlet hose 21. One end of the water inlet hose 21 is connected to the water inlet of the screw pump 5. The other end of the water inlet hose 21 is connected to a filter cartridge 20. The inlet water is filtered by the filter cartridge 20, and the water is transported to the screw pump 5 through the water inlet hose 21. The pressure relief pipeline includes a pressure relief valve 17. One end of the pressure relief valve 17 The end is connected to the four-way joint 7, the other end of the pressure relief valve 17 is connected to a pressure relief hose 18, one end of the pressure relief hose 18 is connected to a water outlet 19, the pressure is released through the pressure relief valve 17, and the water is discharged through the pressure relief hose 18 and the water outlet 19, the water outlet pipeline includes a water outlet hose 11, the water outlet hose 11 is connected to a threaded interface 9 through a throat clamp 10, the threaded interface 9 is connected to the four-way joint 7, one end of the water outlet hose 11 is connected to a self-locking mechanism 13 through a hose joint 12, one end of the self-locking mechanism 13 is connected to a transition hose 14, one end of the transition hose 14 is connected to a one-way valve 15, a filter screen 16 is installed on the one-way valve 15, the water outlet pipeline is fixed in the pipeline through the self-locking mechanism 13, the one-way valve 15 can provide pressure for the self-locking mechanism 13 while ensuring the effect of pipeline dredging, and prevent impurities from entering the pipeline through the filter screen 16;

[0023] The self-locking mechanism 13 includes at least six support columns 13-3, which are arranged in a ring-shaped and uniform interval. Both ends of the support columns 13-3 are provided with fixing nuts 13-1 and threaded clamping sheets 13-2, which are fixed on the support columns 13-3. The outer sides of the six support columns 13-3 are sleeved with rubber tensioning capsules 13-5, and the fixing nuts 13-1 and the threaded clamping sheets 13-2 are threadedly connected with a gap, and both ends of the rubber tensioning capsules 13-5 are located at the ends of the rubber tensioning capsules 13-5. In the gap between the fixing nut 13-1 and the threaded clamping plate 13-2, the rubber tensioning bag 13-5 is fixed by the fixing nut 13-1 and the threaded clamping plate 13-2. The support column 13-3 can provide support for the rubber tensioning bag 13-5 without affecting the passage of water. An anti-slip groove 13-4 is also provided on the side where the fixing nut 13-1 contacts the rubber tensioning bag 13-5. The anti-slip groove 13-4 further improves the fixing effect of the rubber tensioning bag 13-5.

[0024] like Figure 1-3 As shown, the working principle of the self-locking pipeline dredging device is:

[0025] First, extend the one-way valve, transition hose and self-locking mechanism at the front end of the device into the blocked pipeline, ensure that the self-locking mechanism is fully extended into the pipe mouth, put the water inlet pipeline into a container filled with hot water, and close the pressure relief valve. When the motor is running, the coupling is driven to move through the key, and the coupling is connected to the screw pump with a key, which drives the screw pump to work. The water inlet pipeline uses the filter cartridge to filter the hot water and then supplies it to the screw pump. The screw pump pressurizes the water and discharges it through the pump outlet joint. The pressurized hot water enters the water outlet pipeline through the four-way joint, and the pressure gauge displays real-time pressure data. Before the pressure of the water outlet pipeline reaches the opening pressure of the one-way valve, the pressure in the water outlet pipeline continues to increase. The pressurized water flows through the support column to inject water into the rubber tensioning bag to expand it, so that it is locked with the pipe wall. It can not only prevent the part of the plugged pipeline from being pushed out by water pressure when pressurized, but also close the plugged pipeline to prevent hot water from overflowing and releasing pressure. Under the continuous pressure of the screw pump, the one-way valve reaches the working pressure and opens, hot water is discharged into the blocked pipeline, the pressure increases, and under the combined effect of high pressure and high temperature, the blocked pipeline is unblocked. After the unblocking is completed, the screw pump stops working, the one-way valve is closed, the self-locking mechanism is still in the locked state, the pressure relief valve is opened, the water inlet pipeline is emptied, and the pressure indication number decreases accordingly. After the pressure relief is completed, the part extending into the blocked pipeline is taken out. At this point, the unblocking work is completed.

[0026] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A self-locking pipeline dredging device, comprising a power assembly, characterized in that: The power assembly is connected to a four-way joint (7), the four-way joint (7) is connected to a pressure gauge (8), a water outlet pipeline and a pressure relief pipeline, and a water inlet pipeline is installed on the power assembly.

2. The self-locking pipeline dredging device according to claim 1, characterized in that: The power assembly comprises a motor (1), the output end of the motor (1) is connected to a screw pump (5) via a coupling (3) and a key (2), and the pump outlet connector (6) of the screw pump (5) is connected to a four-way connector (7).

3. The self-locking pipeline dredging device according to claim 2 is characterized in that: The motor (1) and the screw pump (5) are both fixed on the bracket (4).

4. The self-locking pipeline dredging device according to claim 2, characterized in that: The water inlet pipeline comprises a water inlet hose (21), one end of the water inlet hose (21) is connected to the water inlet of the screw pump (5), and the other end of the water inlet hose (21) is connected to the filter cartridge (20).

5. The self-locking pipeline dredging device according to claim 1, characterized in that: The pressure relief pipeline comprises a pressure relief valve (17), one end of the pressure relief valve (17) is connected to the four-way connector (7), the other end of the pressure relief valve (17) is connected to a pressure relief hose (18), and one end of the pressure relief hose (18) is connected to a water outlet (19).

6. The self-locking pipeline dredging device according to claim 1, characterized in that: The water outlet pipeline comprises a water outlet hose (11), the water outlet hose (11) is connected to a threaded interface (9) via a hose clamp (10), the threaded interface (9) is connected to a four-way joint (7), one end of the water outlet hose (11) is connected to a self-locking mechanism (13) via a hose joint (12), one end of the self-locking mechanism (13) is connected to a transition hose (14), one end of the transition hose (14) is connected to a one-way valve (15), and a filter screen (16) is installed on the one-way valve (15).

7. The self-locking pipeline dredging device according to claim 6, characterized in that: The self-locking mechanism (13) comprises at least six support columns (13-3), the six support columns (13-3) being arranged in a ring-shaped manner at even intervals, both ends of the support columns (13-3) being provided with fixing nuts (13-1) and threaded compression sheets (13-2), the threaded compression sheets (13-2) being fixed on the support columns (13-3), rubber tensioning capsules (13-5) being sleeved on the outer sides of the six support columns (13-3), a gap being left in the threaded connection between the fixing nut (13-1) and the threaded compression sheet (13-2), and both ends of the rubber tensioning capsule (13-5) being located in the gap between the fixing nut (13-1) and the threaded compression sheet (13-2).

8. The self-locking pipeline dredging device according to claim 7, characterized in that: An anti-slip groove (13-4) is also provided on a side of the fixing nut (13-1) that contacts the rubber tensioning bag (13-5).

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