High-pressure water injection device for cleaning inner wall of steel pipe
By designing a high-pressure water injection cleaning device for the inner wall of steel pipes, the problem of insufficient cleaning pressure in the prior art is solved, and the effect of efficient removal of dirt on the inner wall of steel pipes is achieved, and the production efficiency and inner surface quality are improved.
Patent Information
- Application Number
- CN202420968122.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-07
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-05-07
AI Technical Summary
Due to the low pressure, the existing steel pipe inner wall cleaning method is difficult to completely remove grease, dirt and metal debris from the inner wall, resulting in poor cleaning effect and affecting subsequent production.
A high-pressure water injection device for cleaning the inner wall of steel pipe is designed. The water injection mechanism is installed through the bracket and the water connection tank, and the steel pipe is fastened by the steel pipe, and the high-pressure water injection connection head is placed inside the steel pipe by adjusting the assembly, and the pressure monitoring component is used to realize high-pressure flushing.
The device can effectively remove grease, dirt and metal debris from the inner surface of the steel pipe, improve the quality of the inner surface, improve production efficiency, reduce production costs, reduce equipment downtime, and ensure cleaning effect through real-time pressure monitoring.
Smart Images
Figure CN222739869U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of steel pipe cleaning equipment, in particular to a high-pressure water injection device for cleaning the inner wall of a steel pipe. Background Art
[0002] Steel pipes have hollow cross-sections, and their length is much greater than the diameter or circumference of the steel. According to the cross-sectional shape, they are divided into round, square, rectangular and special-shaped steel pipes; according to the material, they are divided into carbon structural steel pipes, low-alloy structural steel pipes, alloy steel pipes and composite steel pipes; according to the purpose, they are divided into steel pipes for pipelines, engineering structures, thermal equipment, petrochemical industry, machinery manufacturing, geological drilling, high-pressure equipment, etc.; according to the production process, they are divided into seamless steel pipes and welded steel pipes, of which seamless steel pipes are divided into hot-rolled and cold-rolled (drawn), and welded steel pipes are divided into straight seam welded steel pipes and spiral seam welded steel pipes.
[0003] The existing method for cleaning the inner wall of steel pipes is to use a cleaning device without a fixed device and directly connected to the pipe body. Due to the low pressure during the cleaning process, it is difficult to determine whether the cleaning effect meets the subsequent production requirements. In addition, due to the limitations of personnel capabilities, many metal debris on the inner wall are difficult to completely clean due to the low pressure. Utility Model Content
[0004] The utility model aims to provide a high-pressure water injection device for cleaning the inner wall of a steel pipe to solve the above-mentioned problem.
[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:
[0006] The utility model discloses a high-pressure water injection device for cleaning the inner wall of a steel pipe, comprising a bracket and a water receiving trough installed on the top of the bracket, at least two groups of water injection mechanisms are installed inside the water receiving trough, the water injection mechanism comprises two fixing plates connected to the inside of the water receiving trough, the middle of the two fixing plates is connected by a mounting frame, two steel pipe fastening components are installed at both ends of the top of the mounting frame, the steel pipe fastening components comprise a steel pipe lower fixing seat and a steel pipe upper fixing seat, the steel pipe lower fixing seat is fixed on the mounting frame, one end of the steel pipe upper fixing seat is hinged to the steel pipe lower fixing seat The other end of the upper steel pipe fixing seat is covered with the lower steel pipe fixing seat and fixed to the lower steel pipe fixing seat through a locking handle; a pressure monitoring component is provided between the two steel pipe fastening components, and the two ends of the pressure monitoring component are placed in the card slots opened on the lower steel pipe fixing seat and the upper steel pipe fixing seat, and the two ends of the pressure monitoring component are provided with upper and lower ferrules; a high-pressure water injection connector is provided on the outer side of the steel pipe fastening component at one end, a baffle is connected to the high-pressure water injection connector, and the high-pressure water injection connector is connected to the mounting frame through an adjusting component.
[0007] Furthermore, three groups of water injection mechanisms are installed inside the water receiving tank.
[0008] Furthermore, threaded holes are provided on the lower fixing seat of the steel pipe and the upper fixing seat of the steel pipe, and the bottom of the locking handle is a threaded rod. The locking handle is threadedly connected to the threaded holes on the lower fixing seat of the steel pipe and the upper fixing seat of the steel pipe through the threaded rod to fix the lower fixing seat of the steel pipe to the upper fixing seat of the steel pipe.
[0009] Furthermore, the pressure monitoring assembly includes a lower outer sheath and an upper outer sheath, the two ends of the lower outer sheath are respectively fixed on the slots opened on the top surfaces of the two lower fixing seats of the steel pipe, the two ends of the lower outer sheath are respectively flush with the outer side walls of the lower fixing seats of the steel pipe, the two ends of the upper outer sheath are respectively connected to the slots opened on the bottom surfaces of the two upper fixing seats of the steel pipe, the two ends of the upper outer sheath are respectively flush with the outer side walls of the two upper fixing seats of the steel pipe, when the upper fixing seat of the steel pipe is covered on the lower fixing seat of the steel pipe, the lower outer sheath and the upper outer sheath are combined into a circular tube, the two sleeves of the same group are respectively connected to the arc-shaped inner walls of the lower outer sheath and the upper outer sheath, and are placed at the same position of the lower fixing seat of the steel pipe and the upper fixing seat of the steel pipe, an I-shaped sealing strip is provided at the joint between the lower outer sheath and the upper outer sheath, and a pressure sensor is installed on the upper outer sheath.
[0010] Furthermore, the adjustment assembly includes a connecting plate, a slide plate and a clamping screw, the connecting plate is provided with a mounting groove, the high-pressure water injection connecting head is fixed in the mounting groove, one end of the slide plate is connected to the bottom of the connecting plate, a linear guide rail is installed on the top surface of the slide plate, a slider is connected to the bottom of the mounting frame, the slider is slidably connected to the linear guide rail, a handle is installed on one end of the clamping screw, and the other end of the clamping screw passes through the connecting plate through a bearing and is threadedly connected to a threaded hole opened on the lower fixing seat of the steel pipe.
[0011] Compared with the prior art, the beneficial technical effects of the utility model are:
[0012] The utility model utilizes a steel pipe fastening component to firmly fix the steel pipe, and through the adjustment component, the high-pressure water injection connector is placed inside the steel pipe and wrapped by the pressure monitoring component, ensuring high-pressure flushing of the inner wall of the steel pipe, and can powerfully remove grease, dirt and metal debris on the inner surface of the steel pipe, thereby improving the inner surface quality of the steel pipe in the subsequent rolling and drawing processes, improving production efficiency, reducing production costs, reducing the risk of steel pipe blockage in the subsequent rolling and drawing processes, and greatly reducing the downtime rate of the equipment, and utilizing the pressure monitoring component to monitor the pressure in the flushing process in real time to prevent the flushing pressure from failing to achieve the cleaning purpose. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The utility model will be further described below in conjunction with the accompanying drawings.
[0014] Figure 1 This is a three-dimensional diagram of the high-pressure water injection device for cleaning the inner wall of a steel pipe according to the utility model;
[0015] Explanation of the reference numerals in the accompanying drawings: 1. bracket; 2. water collecting trough; 3. fixing plate; 4. mounting frame; 5. lower fixing seat of steel pipe; 6. upper fixing seat of steel pipe; 7. locking handle; 8. high-pressure water injection connector; 9. baffle; 10. lower outer sheath; 11. upper outer sheath; 12. I-shaped sealing strip; 13. pressure sensor; 14. connecting plate; 15. slide plate; 16. mounting groove; 17. linear guide rail; 18. slider; 19. clamping screw; 20. ferrule. DETAILED DESCRIPTION
[0016] like Figure 1 As shown, a high-pressure water injection device for cleaning the inner wall of a steel pipe comprises a bracket 1 and a water receiving tank 2 installed on the top of the bracket 1, wherein three groups of water injection mechanisms are installed inside the water receiving tank 2.
[0017] The water injection mechanism includes two fixing plates 3 connected to the inside of the water receiving trough 2, and the middle of the two fixing plates 3 is connected by a mounting frame 4. Two steel pipe fastening assemblies are installed at the top two ends of the mounting frame 4, and the steel pipe fastening assemblies include a steel pipe lower fixing seat 5 and a steel pipe upper fixing seat 6. The steel pipe lower fixing seat 5 is fixed to the mounting frame 4, and one end of the steel pipe upper fixing seat 6 is hinged to the steel pipe lower fixing seat 5. The other end of the steel pipe upper fixing seat 6 is fixed to the steel pipe lower fixing seat 5 by a locking handle 7 after closing the steel pipe lower fixing seat 5. Threaded holes are provided on the steel pipe lower fixing seat 5 and the steel pipe upper fixing seat 6. The bottom of the locking handle 7 is a threaded rod. The locking handle 7 is threadedly connected to the threaded holes on the steel pipe lower fixing seat 5 and the steel pipe upper fixing seat 6 through the threaded rod to fix the steel pipe lower fixing seat 5 on the steel pipe upper fixing seat 6.
[0018] A pressure monitoring component is provided between the two steel pipe fastening components, and the two ends of the pressure monitoring component are placed in the slots provided on the steel pipe lower fixing seat 5 and the steel pipe upper fixing seat 6, and two upper and lower sleeves 20 are provided inside the two ends of the pressure monitoring component. The pressure monitoring component comprises a lower outer sheath 10 and an upper outer sheath 11, and the two ends of the lower outer sheath 10 are respectively fixed on the slots provided on the top surfaces of the two steel pipe lower fixing seats 5, and the two ends of the lower outer sheath 10 are respectively flush with the outer side walls of the steel pipe lower fixing seat 5, and the two ends of the upper outer sheath 11 are respectively connected to the slots provided on the bottom surfaces of the two steel pipe upper fixing seats 6, and the two ends of the upper outer sheath 11 are respectively flush with the outer side walls of the two steel pipe upper fixing seats 6, when the pressure monitoring component is provided. When the steel pipe upper fixing seat 6 is covered on the steel pipe lower fixing seat 5, the lower outer sheath 10 and the upper outer sheath 11 are combined into a circular tube, and the two ferrules 20 of the same group are respectively connected to the arc-shaped inner walls of the lower outer sheath 10 and the upper outer sheath 11, and are placed at the same position of the steel pipe lower fixing seat 5 and the steel pipe upper fixing seat 6. An I-shaped sealing strip 12 is provided at the joint between the lower outer sheath 10 and the upper outer sheath 11, and a pressure sensor 13 is installed on the upper outer sheath 11.
[0019] A high-pressure water injection connector 8 is provided on the outer side of the steel pipe fastening assembly at one end, a baffle 9 is connected to the high-pressure water injection connector 8, and the high-pressure water injection connector 8 is connected to the mounting frame 4 through an adjusting assembly.
[0020] The adjustment assembly includes a connecting plate 14, a slide plate 15 and a clamping screw 19. The connecting plate 14 is provided with a mounting groove 16. The high-pressure water injection connector 8 is fixed in the mounting groove 16. One end of the slide plate 15 is connected to the bottom of the connecting plate 14. A linear guide 17 is installed on the top surface of the slide plate 15. A slider 18 is connected to the bottom of the mounting frame 4. The slider 18 is slidably connected to the linear guide 17. A handle is installed at one end of the clamping screw 19. The other end of the clamping screw 19 passes through the connecting plate 14 through a bearing and is threadedly connected to a threaded hole opened on the lower fixing seat 5 of the steel pipe.
[0021] The action process of the utility model is as follows:
[0022] When in use, open the upper fixing seat 6 of the steel pipe, then place the two ends of the steel pipe on the two ferrules 20 at the two ends of the lower outer sheath 10, then adjust the clamping screw 19 to make the baffle 9 on the high-pressure water injection connector 8 against the end face of the steel pipe, and then make the end of the steel pipe against the baffle 20 flush with the ferrule 20 on this side, and then tighten the locking handle 7 so that the upper and lower ferrules 20 can clamp and fix the steel pipe. At this time, the lower outer sheath 10 and the upper outer sheath 11 will clamp the high-pressure water injection connector 8, the end of the steel pipe and the ferrule 20. 0 are all wrapped around the steel pipe to form a closed space between the pipe body of the steel pipe and the lower outer sheath 10 and the upper outer sheath 11, and then high-pressure cleaning is started. When the connection position of the high-pressure water injection connector 8 and the steel pipe is not good, the cleaning liquid will leak along the gap between the baffle 9 and the end face of the steel pipe, and the leaked cleaning liquid will enter the pipe body of the steel pipe and the closed space between the lower outer sheath 10 and the upper outer sheath 11. When the pressure sensor 13 senses that the pressure in the closed space exceeds 50% of the set pressure, it will automatically alarm to remind the staff.
[0023] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.
Claims
1. A high-pressure water injection device for cleaning the inner wall of a steel pipe, characterized in that: The invention comprises a support (1) and a water receiving trough (2) installed on the top of the support (1), wherein at least two groups of water injection mechanisms are installed inside the water receiving trough (2), wherein the water injection mechanism comprises two fixing plates (3) connected to the inside of the water receiving trough (2), wherein the middle of the two fixing plates (3) are connected via a mounting frame (4), wherein two steel pipe fastening assemblies are installed at both ends of the top of the mounting frame (4), wherein the steel pipe fastening assemblies comprise a steel pipe lower fixing seat (5) and a steel pipe upper fixing seat (6), wherein the steel pipe lower fixing seat (5) is fixed on the mounting frame (4), wherein one end of the steel pipe upper fixing seat (6) is hinged on the steel pipe lower fixing seat (5), and wherein the steel pipe upper fixing seat (6) is hinged on the steel pipe lower fixing seat (5). The other end of the upper pipe fixing seat (6) is fixed to the lower steel pipe fixing seat (5) by a locking handle (7) after being covered with the lower steel pipe fixing seat (5); a pressure monitoring assembly is provided between the two steel pipe fastening assemblies, and the two ends of the pressure monitoring assembly are placed in the slots provided on the lower steel pipe fixing seat (5) and the upper steel pipe fixing seat (6), and the interior of the two ends of the pressure monitoring assembly is provided with upper and lower clamping sleeves (20); a high-pressure water injection connector (8) is provided on the outer side of the steel pipe fastening assembly at one end, and a baffle (9) is connected to the high-pressure water injection connector (8), and the high-pressure water injection connector (8) is connected to the mounting frame (4) through an adjustment assembly.
2. The high-pressure water injection device for cleaning the inner wall of a steel pipe according to claim 1, characterized in that: Three groups of water injection mechanisms are installed inside the water receiving tank (2).
3. The high-pressure water injection device for cleaning the inner wall of a steel pipe according to claim 1, characterized in that: The lower steel pipe fixing seat (5) and the upper steel pipe fixing seat (6) are both provided with threaded holes, the bottom of the locking handle (7) is a threaded rod, and the locking handle (7) is threadedly connected to the threaded holes on the lower steel pipe fixing seat (5) and the upper steel pipe fixing seat (6) through the threaded rod to fix the lower steel pipe fixing seat (5) on the upper steel pipe fixing seat (6).
4. The high-pressure water injection device for cleaning the inner wall of a steel pipe according to claim 1, characterized in that: The pressure monitoring assembly comprises a lower outer sheath (10) and an upper outer sheath (11), the two ends of the lower outer sheath (10) are respectively fixed on the slots provided on the top surfaces of the two lower fixing seats (5) of the steel pipe, and the two ends of the lower outer sheath (10) are respectively flush with the outer side walls of the lower fixing seats (5) of the steel pipe, and the two ends of the upper outer sheath (11) are respectively connected to the slots provided on the bottom surfaces of the two upper fixing seats (6) of the steel pipe, and the two ends of the upper outer sheath (11) are respectively flush with the outer side walls of the two upper fixing seats (6) of the steel pipe. When the fixing seat (6) is covered on the lower fixing seat (5) of the steel pipe, the lower outer sleeve (10) and the upper outer sleeve (11) are combined into a circular tube, and the two ferrules (20) of the same group are respectively connected to the arc-shaped inner walls of the lower outer sleeve (10) and the upper outer sleeve (11), and are placed at the same position of the lower fixing seat (5) of the steel pipe and the upper fixing seat (6) of the steel pipe. An I-shaped sealing strip (12) is provided at the joint between the lower outer sleeve (10) and the upper outer sleeve (11), and a pressure sensor (13) is installed on the upper outer sleeve (11).
5. The high-pressure water injection device for cleaning the inner wall of a steel pipe according to claim 1, characterized in that: The adjustment assembly comprises a connecting plate (14), a slide plate (15) and a clamping screw (19); the connecting plate (14) is provided with a mounting groove (16); the high-pressure water injection connector (8) is fixed in the mounting groove (16); one end of the slide plate (15) is connected to the bottom of the connecting plate (14); a linear guide rail (17) is installed on the top surface of the slide plate (15); a slider (18) is connected to the bottom of the mounting frame (4); the slider (18) is slidably connected to the linear guide rail (17); a handle is installed at one end of the clamping screw (19); the other end of the clamping screw (19) passes through the connecting plate (14) through a bearing and is then threadedly connected to a threaded hole provided on the lower fixing seat (5) of the steel pipe.